RIDGID Saw MS1250LZ User Guide
OPERATOR’S MANUAL  
12 in. COMPOUND MITER SAW  
WITH EXACTLINE™ LASER  
MS1250LZ - Double Insulated  
Your miter saw has been engineered and manufactured to RIDGID’s high standard for dependability, ease of operation, and  
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.  
WARNING:  
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.  
Thank you for buying a RIDGID® product.  
SAVE THIS MANUAL FOR FUTURE REFERENCE  
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GENERAL SAFETY RULES  
n SECURE WORK. Use clamps or a vise to hold work  
when practical, it is safer than using your hand and  
frees both hands to operate the tool.  
WARNING:  
Read and understand all instructions. Failure to  
follow all instructions listed below, may result in  
electric shock, fire and/or serious personal injury.  
n DO NOT OVERREACH. Keep proper footing and  
balance at all times.  
n MAINTAIN TOOLS WITH CARE. Keep tools sharp  
andcleanforbetterandsaferperformance.Followinstruc-  
tions for lubricating and changing accessories.  
READ ALL INSTRUCTIONS  
n KNOWYOURPOWERTOOL.Readtheoperator’smanual  
carefully. Learn the applications and limitations as well  
as the specific potential hazards related to this tool.  
n DISCONNECT TOOLS. When not in use, before  
servicing, or when changing attachments, blades, bits,  
cutters, etc., alltoolsshouldbedisconnectedfrompower  
source.  
n GUARDAGAINSTELECTRICALSHOCKBYPREVENT-  
ING BODY CONTACT WITH GROUNDED SURFACES.  
For example: pipes, radiators, ranges, refrigerator enclo-  
sures.  
n AVOID ACCIDENTAL STARTING. Be sure switch is off  
when plugging in any tool.  
n USE RECOMMENDED ACCESSORIES. Consult the  
operator’s manual for recommended accessories. The  
use of improper accessories may result in injury.  
n KEEP GUARDS IN PLACE and in good working order.  
n REMOVE ADJUSTING KEYS AND WRENCHES. Form  
habitofcheckingtoseethatkeysandadjustingwrenches  
are removed from tool before turning it on.  
n NEVER STAND ON TOOL. Serious injury could occur if  
the tool is tipped.  
n KEEPWORKAREACLEAN.Clutteredareasandbenches  
invite accidents. DO NOT leave tools or pieces of wood  
on the tool while it is in operation.  
n CHECK DAMAGED PARTS. Before further use of the  
tool, a guard or other part that is damaged should be  
carefullycheckedtodeterminethatitwilloperateproperly  
and perform its intended function. Check for alignment  
of moving parts, binding of moving parts, breakage of  
parts, mounting and any other conditions that may affect  
its operation. A guard or other part that is damaged must  
be properly repaired or replaced by an authorized service  
center to avoid risk of personal injury.  
n DO NOT USE IN DANGEROUS ENVIRONMENTS. Do  
not use power tools in damp or wet locations or expose  
to rain. Keep the work area well lit.  
n KEEP CHILDREN AND VISITORS AWAY. All visi-  
tors should wear safety glasses and be kept a safe  
distance from work area. Do not let visitors contact  
tool or extension cord while operating.  
n USE THE RIGHT DIRECTION OF FEED. Feed work into  
a blade, cutter, or sanding spindle against the direction  
or rotation of the blade, cutter, or sanding spindle only.  
n MAKE WORKSHOP CHILDPROOF with padlocks,  
master switches, or by removing starter keys.  
n DON’T FORCE THE TOOL. It will do the job better and  
n NEVERLEAVETOOLRUNNINGUNATTENDED. TURN  
THE POWER OFF. Don't leave tool until it comes to a  
complete stop.  
safer at the feed rate for which it was designed.  
n USE THE RIGHT TOOL. Do not force the tool or attach-  
ment to do a job for which it was not designed.  
n PROTECT YOUR LUNGS. Wear a face or dust mask if  
n USETHEPROPEREXTENSIONCORD. Makesureyour  
extensioncordisingoodcondition.Useonlyacordheavy  
enough to carry the current your product will draw. An  
undersized cord will cause a drop in line voltage result-  
ing in loss of power and overheating. A wire gauge size  
(A.W.G.) of at least 14 is recommended for an extension  
cord 25 feet or less in length. If in doubt, use the next  
heaviergauge.Thesmallerthegaugenumber,theheavier  
the cord.  
the cutting operation is dusty.  
n PROTECT YOUR HEARING. Wear hearing protection  
during extended periods of operation.  
n DO NOT ABUSE CORD. Never carry tool by the cord or  
yank it to disconnect from receptacle. Keep cord from  
heat, oil, and sharp edges.  
n USE OUTDOOR EXTENSION CORDS. When tool  
is used outdoors, use only extension cords with  
approved ground connection that are intended for use  
outdoors and so marked.  
n DRESSPROPERLY.Donotwearlooseclothing,neckties,  
or jewelry that can get caught and draw you into moving  
parts. Rubber gloves and nonskid footwear are recom-  
mended when working outdoors. Also wear protective  
hair covering to contain long hair.  
n KEEP BLADES CLEAN, SHARP, AND WITH  
SUFFICIENT SET. Sharp blades minimize stalling  
and kickback.  
n ALWAYS WEAR SAFETY GLASSES WITH SIDE  
SHIELDS. Everyday eyeglasses have only impact-  
resistant lenses, they are NOT safety glasses.  
n BLADE COASTS AFTER BEING TURNED OFF.  
3
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GENERAL SAFETY RULES  
n NEVER USE IN AN EXPLOSIVE ATMOSPHERE. n USE ONLY CORRECT BLADES. Do not use blades with  
Normal sparking of the motor could ignite fumes.  
incorrect size holes. Never use blade washers or blade  
bolts that are defective or incorrect. The maximum blade  
capacity of your saw is 12 in.  
n INSPECT TOOL CORDS PERIODICALLY. If dam-  
aged, have repaired by a qualified service technician at  
anauthorizedservicefacility.Theconductorwithinsulation n BEFORE MAKING A CUT, BE SURE ALL ADJUST-  
havinganoutersurfacethatisgreenwithorwithoutyellow  
stripes is the equipment-grounding conductor. If repair  
or replacement of the electric cord or plug is necessary,  
do not connect the equipment-grounding conductor to a  
live terminal. Repair or replace a damaged or worn cord  
immediately. Stay constantly aware of cord location and  
keep it well away from the rotating blade.  
MENTS ARE SECURE.  
n BE SURE BLADE PATH IS FREE OF NAILS. Inspect for  
and remove all nails from lumber before cutting.  
n NEVER TOUCH BLADE or other moving parts during  
use.  
n NEVER START A TOOL WHEN ANY ROTATING COM-  
PONENT IS IN CONTACT WITH THE WORKPIECE.  
n INSPECT EXTENSION CORDS PERIODICALLY and  
replace if damaged.  
n DO NOT OPERATE A TOOL WHILE UNDER THE  
INFLUENCE OF DRUGS, ALCOHOL, OR ANY  
MEDICATION.  
n POLARIZEDPLUGS.Toreducetheriskofelectricshock,  
this tool has a polarized plug (one blade is wider than  
the other). This plug will fit in a polarized outlet only one  
way. If the plug does not fit fully in the outlet, reverse the  
plug. If it still does not fit, contact a qualified electrician  
to install the proper outlet. Do not change the plug in any  
way.  
n WHENSERVICINGuseonlyidenticalreplacementparts.  
Use of any other parts may create a hazard or cause  
product damage.  
n USE ONLY RECOMMENDED ACCESSORIES listed  
in this manual or addendums. Use of accessories that  
are not listed may cause the risk of personal injury.  
Instructions for safe use of accessories are included  
with the accessory.  
n KEEP TOOL DRY, CLEAN, AND FREE FROM OIL AND  
GREASE. Always use a clean cloth when cleaning. Never  
use brake fluids, gasoline, petroleum-based products, or  
any solvents to clean tool.  
nDOUBLE CHECK ALL SETUPS. Make sure blade is  
tight and not making contact with saw or workpiece  
before connecting to power supply.  
n STAY ALERT AND EXERCISE CONTROL. Watch what  
you are doing and use common sense. Do not operate  
tool when you are tired. Do not rush.  
n DO NOT USE TOOL IF SWITCH DOES NOT TURN IT  
ON AND OFF. Have defective switches replaced by an  
authorized service center.  
SPECIFIC SAFETY RULES  
n FIRMLY CLAMP OR BOLT your tool to a workbench or  
OPERATINGYOURSAW.Lockthemitertablebysecurely  
tightening the miter lock levers. Lock the saw arm (bevel  
function) by securely tightening the bevel lock knob.  
table at approximately hip height.  
n KEEP HANDS AWAY FROM CUTTING AREA. Do not  
reach underneath work or in blade cutting path with your n NEVER USE A LENGTH STOP ON THE FREE SCRAP  
hands and fingers for any reason. Always turn the power  
off.  
END OF A CLAMPED WORKPIECE. NEVER hold onto  
or bind the free scrap end of the workpiece in any opera-  
tion. If a work clamp and length stop are used together,  
they must both be installed on the same side of the saw  
table to prevent the saw from catching the loose end and  
kicking up.  
n ALWAYSSUPPORTLONGWORKPIECESwhilecutting  
tominimizeriskofbladepinchingandkickback. Sawmay  
slip, walk or slide while cutting long or heavy boards.  
n ALWAYS USE A CLAMP to secure the workpiece when  
n NEVER cut more than one piece at a time. DO NOT  
STACK more than one workpiece on the saw table at a  
time.  
possible.  
n BE SURE THE BLADE CLEARS THE WORKPIECE.  
Never start the saw with the blade touching the  
workpiece. Allow motor to come up to full speed  
before starting cut.  
n NEVER PERFORM ANY OPERATION FREEHAND.  
Always place the workpiece to be cut on the miter table  
and position it firmly against the fence as a backstop.  
Always use the fence.  
n MAKESURETHEMITERTABLEANDSAWARM(BEV-  
EL FUNCTION) ARE LOCKED IN POSITION BEFORE  
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SPECIFIC SAFETY RULES  
n NEVER hand hold a workpiece that is too small to be n ALWAYS STAY ALERT! Do not allow familiarity (gained  
clamped. Keep hands clear of the cutting area.  
from frequent use of your saw) to cause a careless mis-  
take. ALWAYS REMEMBER that a careless fraction of  
a second is sufficient to inflict severe injury.  
n NEVER reach behind, under, or within three inches of the  
blade and its cutting path with your hands and fingers for  
any reason.  
n MAKESURETHEWORKAREAHASAMPLELIGHTING  
toseetheworkandthatnoobstructionswillinterferewith  
safe operation BEFORE performing any work using your  
saw.  
n NEVER reach to pick up a workpiece, a piece of scrap,  
or anything else that is in or near the cutting path of the  
blade.  
n ALWAYS TURN OFF THE SAW before disconnecting it  
to avoid accidental starting when reconnecting to power  
supply.NEVERleavethesawunattendedwhileconnected  
to a power source.  
n AVOID AWKWARD OPERATIONS AND HAND  
POSITIONS where a sudden slip could cause your  
hand to move into the blade. ALWAYS make sure you  
have good balance. NEVER operate your miter saw  
on the floor or in a crouched position.  
n THIS TOOL should have the following markings:  
n NEVER stand or have any part of your body in line with  
a) Wear eye protection.  
the path of the saw blade.  
b) Keep hands out of path of saw blade.  
c) Do not operate saw without guards in place.  
d) Do not perform any operation freehand.  
e) Never reach around saw blade.  
f) Turn off tool and wait for saw blade to stop before  
moving workpiece or changing settings.  
g) Disconnect power (or unplug tool as applicable)  
before changing blade or servicing.  
n ALWAYSreleasethepowerswitchandallowthesawblade  
to stop rotating before raising it out of the workpiece.  
n DO NOT TURN THE MOTOR SWITCH ON AND OFF  
RAPIDLY. This could cause the saw blade to loosen  
and could create a hazard. Should this ever occur,  
stand clear and allow the saw blade to come to a  
complete stop. Disconnect your saw from the power  
supply and securely retighten the blade bolt.  
h) No load speed.  
n IF ANY PART OF THIS MITER SAW IS MISSING or  
should break, bend, or fail in any way, or should any  
electrical component fail to perform properly, shut off  
the power switch, remove the miter saw plug from the  
powersourceandhavedamaged, missing, orfailedparts  
replaced before resuming operation.  
n ALWAYS carry the tool only by the carrying handle.  
n AVOID direct eye exposure when using the laser guide.  
n SAVE THESE INSTRUCTIONS. Refer to them  
frequently and use to instruct other users. If you loan  
someone this tool, loan them these instructions also.  
n IF THE POWER SUPPLY CORD IS DAMAGED, it must  
be replaced only by the manufacturer or by an authorized  
service center to avoid risk.  
WARNING:  
Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals  
known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are:  
• lead from lead-based paints,  
• crystalline silica from bricks and cement and other masonry products, and  
• arsenic and chromium from chemically-treated lumber.  
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure  
to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust  
masks that are specially designed to filter out microscopic particles.  
5
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SYMBOLS  
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpreta-  
tion of these symbols will allow you to operate the tool better and safer.  
SYMBOL  
NAME  
DESIGNATION/EXPLANATION  
V
Volts  
Voltage  
Current  
A
Hz  
W
Amperes  
Hertz  
Frequency (cycles per second)  
Watt  
Power  
min  
Minutes  
Time  
Alternating Current  
Type of current  
Direct Current  
Type or a characteristic of current  
Rotational speed, at no load  
n
No Load Speed  
o
Class II Construction  
Per Minute  
Double-insulated construction  
Revolutions, strokes, surface speed, orbits etc., per minute  
.../min  
Do not expose to rain or use in damp locations.  
Wet Conditions Alert  
To reduce the risk of injury, user must read and understand  
operator’s manual before using this product.  
Read The Operator’s Manual  
Always wear safety goggles or safety glasses with side shields  
and a full face shield when operating this product.  
Eye Protection  
Safety Alert  
Precautions that involve your safety.  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
No Hands Symbol  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
Failure to keep your hands away from the blade will result in  
serious personal injury.  
No Hands Symbol  
Hot Surface  
To reduce the risk of injury or damage, avoid contact with any  
hot surface.  
6
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SYMBOLS  
The following signal words and meanings are intended to explain the levels of risk associated with this product.  
SYMBOL  
SIGNAL  
MEANING  
Indicates an imminently hazardous situation, which, if not avoided, will  
result in death or serious injury.  
DANGER:  
Indicates a potentially hazardous situation, which, if not avoided, could  
result in death or serious injury.  
WARNING:  
CAUTION:  
Indicates a potentially hazardous situation, which, if not avoided, may  
result in minor or moderate injury.  
(Without Safety Alert Symbol) Indicates a situation that may result in  
property damage.  
CAUTION:  
SERVICE  
WARNING:  
Servicing requires extreme care and knowledge and should  
be performed only by a qualified service technician. For  
service we suggest you return the product to your nearest  
AUTHORIZED SERVICE CENTER for repair. When servic-  
ing, use only identical replacement parts.  
To avoid serious personal injury, do not attempt  
to use this product until you read thoroughly and  
understand completely the operator’s manual. Save  
this operator’s manual and review frequently for  
continuing safe operation and instructing others  
who may use this product.  
WARNING:  
The operation of any power tool can result in foreign objects being thrown into your eyes, which can result  
in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety glasses  
with side shields and a full face shield when needed. We recommend Wide Vision Safety Mask for use over  
eyeglasses or standard safety glasses with side shields. Always use eye protection which is marked to  
comply with ANSI Z87.1.  
SAVE THESE INSTRUCTIONS  
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ELECTRICAL  
DOUBLE INSULATION  
EXTENSION CORDS  
Double insulation is a concept in safety in electric power  
tools, which eliminates the need for the usual three-wire  
grounded power cord. All exposed metal parts are isolated  
from the internal metal motor components with protect-  
ing insulation. Double insulated tools do not need to be  
grounded.  
When using a power tool at a considerable distance from  
a power source, be sure to use an extension cord that has  
the capacity to handle the current the tool will draw. An  
undersized cord will cause a drop in line voltage, resulting in  
overheating and loss of power. Use the chart to determine  
the minimum wire size required in an extension cord. Only  
round jacketed cords listed by Underwriter’s Laboratories  
(UL) should be used.  
WARNING:  
When working outdoors with a tool, use an extension  
cord that is designed for outside use. This type of cord is  
designated with “WA” on the cord’s jacket.  
The double insulated system is intended to protect  
the user from shock resulting from a break in the  
tool’s internal wiring. Observe all normal safety  
precautions to avoid electrical shock.  
Before using any extension cord, inspect it for loose or  
exposed wires and cut or worn insulation.  
**Ampere rating (on tool faceplate)  
NOTE: Servicing of a tool with double insulation requires  
extreme care and knowledge of the system and should be  
performed only by a qualified service technician. For service,  
we suggest you return the tool to your nearest authorized  
service center for repair. Always use original factory replace-  
ment parts when servicing.  
0-2.0  
2.1-3.4  
3.5-5.0  
5.1-7.0 7.1-12.0 12.1-16.0  
Cord Length  
Wire Size (A.W.G.)  
25'  
50'  
16  
16  
16  
16  
16  
16  
16  
16  
14  
16  
14  
12  
14  
14  
10  
14  
12  
—
100'  
ELECTRICAL CONNECTION  
This tool has a precision-built electric motor. It should be  
connected to a power supply that is 120 volts, 60 Hz, AC  
only (normal household current). Do not operate this tool  
on direct current (DC). A substantial voltage drop will cause  
a loss of power and the motor will overheat. If your tool does  
not operate when plugged into an outlet, double-check the  
power supply.  
**Used on 12 gauge - 20 amp circuit.  
NOTE: AWG = American Wire Gauge  
WARNING:  
Keep the extension cord clear of the working area.  
Position the cord so that it will not get caught on  
lumber, tools or other obstructions while you are  
working with a power tool. Failure to do so can  
result in serious personal injury.  
WARNING:  
Check extension cords before each use. If dam-  
aged replace immediately. Never use tool with a  
damaged cord since touching the damaged area  
could cause electrical shock resulting in serious  
injury.  
8
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GLOSSARY OF TERMS  
Anti-Kickback Pawls (radial arm and table saws)  
A devise which, when properly installed and maintained,  
is designed to stop the workpiece from being kicked back  
toward the front of the saw during a ripping operation.  
Non-Through Cuts  
Any cutting operation where the blade does not extend  
completely through the thickness of the workpiece.  
Push Blocks (for jointer planers)  
Arbor  
Device used to feed the workpiece over the jointer planer  
cutterhead during any operation. This aid helps keep the  
operator's hands well away from the cutterhead.  
The shaft on which a blade or cutting tool is mounted.  
Bevel Cut  
A cutting operation made with the blade at any angle other  
than 90° to the table surface.  
Push Blocks and Push Sticks (for table saws)  
Devices used to feed the workpiece through the saw blade  
during cutting operations. A push stick (not a push block)  
should be used for narrow ripping operations. These aids  
help keep the operator's hands well away from the blade.  
Chamfer  
A cut removing a wedge from a block so the end (or part of  
the end) is angled rather than at 90°.  
Pilot Hole (drill presses)  
A small hole drilled in a workpiece that serves as a guide for  
drilling large holes accurately.  
Compound Cut  
A cross cut made with both a miter and a bevel angle.  
Crosscut  
Resaw  
A cutting or shaping operation made across the grain or the  
width of the workpiece.  
A cutting operation to reduce the thickness of the workpiece  
to make thinner pieces.  
Cutter Head (planers and jointer planers)  
A rotating cutterhead with adjustable blades or knives. The  
blades or knives remove material from the workpiece.  
Resin  
A sticky, sap-based substance that has hardened.  
Revolutions Per Minute (RPM)  
The number of turns completed by a spinning object in one  
minute.  
Dado Cut  
A non-through cut which produces a square-sided notch or  
trough in the workpiece (requires a special blade).  
Ripping or Rip Cut  
Featherboard  
A cutting operation along the length of the workpiece.  
A device used to help control the workpiece by guiding  
it securely against the table or fence during any ripping  
operation.  
Riving Knife/Spreader/Splitter (table saws)  
A metal piece, slightly thinner than the blade, which helps  
keep the kerf open and also helps to prevent kickback.  
FPM or SPM  
Feet per minute (or strokes per minute), used in reference  
to blade movement.  
Saw Blade Path  
The area over, under, behind, or in front of the blade. As it  
applies to the workpiece, that area which will be or has been  
cut by the blade.  
Freehand  
Performing a cut without the workpiece being guided by a  
fence, miter gauge, or other aids.  
Set  
The distance that the tip of the saw blade tooth is bent (or  
Gum  
set) outward from the face of the blade.  
A sticky, sap-based residue from wood products.  
Snipe (planers)  
Heel  
Depression made at either end of a workpiece by cutter  
Alignment of the blade to the fence.  
blades when the workpiece is not properly supported.  
Kerf  
The material removed by the blade in a through cut or the  
Through Sawing  
slot produced by the blade in a non-through or partial cut.  
Any cutting operation where the blade extends completely  
through the thickness of the workpiece.  
Kickback  
A hazard that can occur when the blade binds or stalls,  
Throw-Back  
throwing the workpiece back toward operator.  
The throwing back of a workpiece usually caused by the  
workpiece being dropped into the blade or being placed  
inadvertently in contact with the blade.  
Leading End  
The end of the workpiece pushed into the tool first.  
Workpiece or Material  
The item on which the operation is being done.  
Miter Cut  
A cutting operation made with the workpiece at any angle  
to the blade other than 90°.  
Worktable  
Surface where the workpiece rests while performing a  
cutting, drilling, planing, or sanding operation.  
9
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FEATURES  
PRODUCT SPECIFICATIONS  
Cutting Capacity with Miter at 0°/Bevel 0°:  
Maximum nominal lumber sizes: . . . . . . . . . 2 x 8, 4 x 4  
Blade Diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 in.  
Blade Arbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 in.  
No Load Speed . . . . . . . . . . . . . . . . . . . . . . . . .4,000/min.  
Input . . . . . . . . . . . . . . . 120 V, 60 Hz, AC Only, 15 Amps  
Net Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49 lbs.  
Cutting Capacity with Miter at 45°/Bevel 0°:  
Maximum nominal lumber sizes: . . . . . . . . . . . . . . 2 x 6  
Cutting Capacity with Miter at 0°/Bevel 45°:  
Maximum nominal lumber sizes: . . . . . . . . . . . . . . 2 x 8  
Cutting Capacity with Miter at 45°/Bevel 45°:  
Maximum nominal lumber sizes: . . . . . . . . . . . . . . 2 x 6  
BEVEL  
LOCK  
KNOB  
BEVEL  
STOP PIN  
SWITCH  
LOCK  
SAW  
ARM  
UPPER BLADE  
GUARD  
BLADE  
WRENCH  
STORAGE  
SWITCH  
TRIGGER  
DUST  
GUIDE  
LOWER BLADE  
GUARD  
REPEAT-A-CUT™  
BEVEL  
LOCK  
KNOB  
FENCE  
SCREW  
ZERO CLEARANCE  
THROAT PLATE  
DUST  
BAG  
MITER  
SCALE  
MITER  
LOCK PLATE  
SLIDING MITER  
FENCE  
TABLE  
EXTENSION  
MITER LOCK  
HANDLE  
POSITIVE  
STOP(S)  
SAW BASE  
WORK  
CLAMP  
MITER  
TABLE  
Fig. 1  
10  
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FEATURES  
LOCK  
PIN  
KNOW YOUR COMPOUND MITER SAW  
See Figure 1.  
Before attempting to use this product, familiarize yourself  
with all operating features and safety rules.  
15 AMP MOTOR  
CARRYING  
HANDLE  
35  
50  
40  
45  
This saw has a powerful 15 amp motor with sufficient  
power to handle tough cutting jobs. It is made with all ball  
bearings, and has externally accessible brushes for ease  
of servicing.  
12 IN. BLADE  
A 12 in. blade is included with your compound  
miter saw. It will cut materials up to 7-7/8 in. wide,  
depending upon the angle at which the cut is being made.  
BLADE WRENCH STORAGE  
A blade wrench is packed with this saw. One end of the  
wrench is a phillips screwdriver and the other end is a hex  
key. Use the hex key end when installing or removing blade  
and the phillips end when removing or loosening screws. A  
storage area for the blade wrench is located in the saw's  
base.  
MITER LOCK  
HANDLE  
CARRYING HANDLE  
See Figure 2.  
SAW ARM LOCKED IN DOWN POSITION  
For convenience when carrying or transporting the  
miter saw from one place to another, a carrying handle has  
been provided on top of the saw arm. To transport, turn off  
and unplug the saw, then lower the saw arm and lock it in the  
down position. Lock saw arm by depressing the lock pin.  
Fig. 2  
SWITCH  
TRIGGER  
MITER LOCK HANDLE  
See Figure 2.  
The miter lock handle securely locks the saw at desired  
miter angles.  
SPINDLE  
LOCK BUTTON  
SPINDLE LOCK BUTTON  
See Figure 3.  
A spindle lock button has been provided for locking the  
spindle which keeps the blade in the saw from rotating.  
Depress and hold the lock button while installing, changing,  
or removing blade only.  
Fig. 3  
SWITCH TRIGGER  
See Figure 4.  
PADLOCK  
To prevent unauthorized use of the compound miter saw,  
disconnect it from the power supply and lock the switch in  
the off position. To lock the switch, install a padlock (not  
included) through the hole in the switch trigger. A lock with  
a long shackle up to 9/32 in. diameter may be used. When  
the lock is installed and locked, the switch is inoperable.  
Store the padlock key in another location.  
Fig. 4  
11  
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FEATURES  
ELECTRIC BRAKE  
EXACTLINE™ LASER GUIDE  
An electric brake has been provided to quickly stop blade  
rotation after the switch is released.  
For more accurate cuts, an Exactline™ laser guide is included  
withyourmitersaw.Whenusedproperly,thelaserguidemakes  
accurate, precision cutting simple and easy.  
REPEAT-A-CUT™  
See Figure 5.  
POSITIVE STOPS ON MITER TABLE  
Positive stops have been provided at 0°, 15°, 22.5°, 31.62°,  
and 45°. The 0°, 15°, 22.5°, 31.85°, and 45° positive stops  
have been provided on both the left and right side of the  
miter table.  
The Repeat-A-Cut™ feature on both the left and right side  
miter fences can be used when making repetitive cuts.  
Simply mark the fence with a pencil, make the desired  
number of cut(s), then wipe the mark off with a soft cloth.  
SELF-RETRACTING LOWER BLADE GUARD  
BEVEL LOCK KNOB  
The lower blade guard is made of shock-resistant, see-  
through plastic that provides protection from each side of  
the blade. It retracts over the upper blade guard as the saw  
is lowered into the workpiece.  
The bevel lock knob securely locks your compound miter  
saw at desired bevel angles.  
BEVEL STOP PIN  
The bevel stop pin has three positions:  
REPEAT-A-CUT™  
1. Override (pin pulled completely out)  
2. The 0° - 45° position (middle position)  
3. The 0° - 48° position for crown molding (pin pushed in)  
SLIDING MITER FENCE  
The sliding miter fence on your compound miter saw has  
been provided to hold your workpiece securely against when  
making all cuts; the left side is larger providing additional  
support. It has a sliding feature for clearance of the saw arm  
when making bevel or compound cuts.  
Loosen the fence screw before attempting to slide the miter  
fence. Once the desired position of the miter fence is deter-  
mined, tighten the fence screw to secure the sliding fence.  
Fig. 5  
TOOLS NEEDED  
The following tools (not included) are needed for making adjustments:  
COMBINATION SQUARE  
Fig. 6  
FRAMING SQUARE  
12  
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LOOSE PARTS  
The following items are included with your Compound Miter Saw:  
n Miter Lock Handle  
n Dust Bag  
n Washer (2)  
n Blade Wrench  
n Dust Guide  
n Exactline™ Laser  
n Work Clamp  
n Hex Bolt  
n Table Extension  
n Socket Head Screw (2)  
n Operator’s Manual (not shown)  
n Warranty Registration Card (not shown)  
DUST GUIDE  
LASER  
HEX BOLT  
SOCKET HEAD  
SCREWS  
WASHER  
TABLE  
EXTENTION  
DUST BAG  
BLADE  
WRENCH  
MITER  
LOCK HANDLE  
WORK CLAMP  
Fig. 7  
WARNING:  
The use of attachments or accessories not listed might be hazardous and could cause serious personal injury.  
13  
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ASSEMBLY  
UNPACKING  
This product requires assembly.  
WARNING:  
Do not connect to power supply until assembly is  
complete. Failure to comply could result in acciden-  
tal starting and possible serious personal injury.  
n Carefully lift saw from the carton by the carrying handle  
and the saw base, and place it on a level work surface.  
NOTE: This tool is heavy. To avoid back injury, lift with  
your legs, not your back, and get help when needed.  
n This saw has been shipped with the saw arm secured in  
the down position. To release the saw arm, push down  
on the top of the saw arm, cut the tie-wrap, and pull out  
on the lock pin.  
n Lift the saw arm by the handle. Hand pressure should  
remain on the saw arm to prevent sudden rise upon re-  
lease of the tie wrap.  
n Inspect the tool carefully to make sure no breakage or  
damage occurred during shipping.  
WARNING:  
Do not start the compound miter saw without  
checking for interference between the blade and  
the miter fence. Damage could result to the blade  
if it strikes the miter fence during operation of the  
saw.  
n Do not discard the packing material until you have care-  
fully inspected and satisfactorily operated the tool.  
n The saw is factory set for accurate cutting. After  
assembling it, check for accuracy. If shipping has influ-  
encedthesettings,refertospecificproceduresexplained  
in this manual.  
WARNING:  
Always make sure the compound miter saw is  
securely mounted to a workbench or an approved  
workstand. Failure to heed this warning can result  
in serious personal injury.  
n If any parts are damaged or missing, please call  
1-866-539-1710 for assistance.  
MOUNTING HOLES  
See Figure 8.  
The compound miter saw should be mounted to a firm  
supporting surface such as a workbench. Four bolt holes  
have been provided in the saw base for this purpose. Each  
of the four mounting holes should be bolted securely using  
3/8 in. machine bolts, lock washers, and hex nuts (not  
ncluded). Bolts should be of sufficient length to accommo-  
date the saw base, lock washers, hex nuts, and the thickness  
of the workbench. Tighten all four bolts securely.  
WARNING:  
If any parts are missing, do not operate this tool  
until the missing parts are replaced. Failure to do so  
could result in possible serious personal injury.  
WARNING:  
The hole pattern for mounting to a workbench is shown in  
figure 8. Carefully check the workbench after mounting to  
make sure that no movement can occur during use. If any  
tipping, sliding, or walking is noted, secure the workbench  
to the floor before operating.  
Do not attempt to modify this tool or create acces-  
sories not recommended for use with this tool. Any  
such alteration or modification is misuse and could  
result in a hazardous condition leading to possible  
serious personal injury.  
TRACE HOLES  
AT THESE LOCATIONS  
FOR HOLE PATTERN  
TRACE HOLES  
AT THESE LOCATIONS  
FOR HOLE PATTERN  
MOUNTING  
SURFACE  
SAW BASE  
Fig. 8  
14  
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ASSEMBLY  
n Attach a second leg (B) to the other side of upper side  
ASSEMBLING LEG STAND  
See Figures 9 - 10.  
brace (C) using two carriage bolts and hex nuts.  
n Next, align holes on lower side brace (D) with the holes on  
the second leg (B). Insert carriage bolt and hand tighten  
using hex nut.  
n Separate brace pieces (letters A, C, D, and E) from leg  
pieces (letter E). There are a total of 12 pieces: 8 brace  
pieces and 4 leg pieces.  
n Repeat the above steps once.  
n Remove the following hardware from the leg stand hard-  
ware bag:  
This completes two of the four sides of the leg stand.  
n Place upper brace (A) on top of upper side brace (C).  
24 carriage bolts (5/16-18 x 5/8 in.)  
4 rubber feet  
4 hex bolts (5/16-18 x 2-1/2 in.)  
4 flat washers  
n Align holes on upper brace (A) with the holes on leg (B).  
Insert carriage bolt and hand tighten using hex nut.  
n Place lower brace (E) inside leg (B).  
28 hex nuts (5/16-18)  
n Align holes on lower brace (E) with the holes on leg (B).  
n Place leg (B) inside upper side brace (C).  
Insert carriage bolt and hand tighten using hex nut.  
n Align holes on brace (C) with the holes on leg (B). Insert  
n Repeat the above steps for the other side of the upper  
brace then repeat the steps for the opposite side of the  
leg stand.  
two carriage bolts and hand tighten using hex nuts.  
n Place lower side brace (D) inside leg (B).  
n Align holes on lower side brace (D) with the holes on leg  
n Place one rubber foot on the bottom of each leg (B).  
n Using a wrench, securely tighten all hex nuts.  
This completes the leg stand.  
(B). Insert carriage bolt and hand tighten using hex nut.  
UPPER SIDE  
BRACE (C)  
UPPER  
BRACE (A)  
LEG (B)  
LEG (B)  
LOWER  
SIDE  
BRACE (D)  
LOWER  
BRACE (E)  
HEX NUT  
CARRIAGE  
BOLT  
RUBBER  
FOOT  
LEG (B)  
Fig. 9  
15  
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ASSEMBLY  
UPPER  
BRACE (A)  
UPPER SIDE  
BRACE (C)  
LEG (B)  
TABLE  
EXTENSION  
35  
45  
40  
LOWER  
BRACE (E)  
LOWER SIDE  
BRACE (D)  
WASHER  
SOCKET HEAD  
SCREW  
WASHER  
LEG STAND ASSEMBLED  
Fig. 11  
Fig. 10  
TABLE EXTENSION  
See Figure 11.  
�
The table extension can be used on the left side of the miter  
saw. To assemble and install the table extension:  
n Insert socket head screw and washer into the two holes  
in the side of the miter saw base.  
n Tighten securely.  
MOUNTING THE MITER SAW TO THE LEG  
STAND  
See Figure 12.  
HEX  
BOLT  
n Turn leg stand upright as shown in figure 10.  
45  
40  
n Carefully place miter saw on top of leg stand. Align holes  
in the miter saw base with holes in leg stand.  
n Insert the 5/16-18 x 2-1/2 in. hex bolts in each of the four  
holes and secure using hex nuts.  
n Tightenallhardwarewithawrench. Youmayfindithelpful  
to use one wrench to hold the head of the bolt and one  
to tighten the hex nut.  
HEX  
NUT  
Fig. 12  
16  
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ASSEMBLY  
MITER LOCK HANDLE  
See Figure 13.  
To install the miter lock handle, place the threaded stud on  
the end of the miter lock handle into the threaded hole in the  
control arm under miter table. Turn clockwise to tighten.  
TO  
TIGHTEN  
DUST GUIDE  
See Figure 14.  
Insert the dust guide inside the exhaust port in the upper  
blade guard. Turn the guide so that the open end is facing  
down or toward the rear of the saw.  
MITER  
LOCK  
HANDLE  
TO  
LOOSEN  
CONTROL  
ARM  
DUST BAG  
See Figure 15.  
Fig. 13  
A dust bag is provided for use on this miter saw. It fits  
over the dust guide on the upper blade guard. To install it,  
squeeze the two metal clips to open the mouth of the bag  
and slide it on the dust guide. Release the clips. The metal  
ring in the bag should lock in between the grooves on the  
dust guide.  
UPPER  
BLADE GUARD  
DUST  
GUIDE  
To remove the dust bag for emptying, simply reverse the  
above procedure.  
WORK CLAMP  
See Figure 16.  
EXHAUST  
PORT  
WARNING:  
Fig. 14  
In some operations, the work clamp assembly  
may interfere with the operation of the blade guard  
assembly. Always make sure there is no interfer-  
ence with the blade guard prior to beginning any  
cutting operation to reduce the risk of serious  
personal injury.  
DUST  
BAG  
The work clamp provides greater control by clamping the  
workpiece to the fence. It also prevents the workpiece from  
creeping toward the saw blade. This is very helpful when  
cutting compound miters.  
35  
45  
40  
Depending on the cutting operation and the size of the  
workpiece, it may be necessary to use a C-clamp instead  
of the work clamp to secure the workpiece prior to making  
the cut.  
Fig. 15  
To install the work clamp:  
n Place the shaft of the work clamp in either hole on the  
saw table base.  
n Rotate the knob on the work clamp to move it in or out  
as needed.  
QUICK  
RELEASE  
LEVER  
NOTE: The work clamp has a quick release lever that makes  
positioning of the work clamp effortless.  
SAW  
BASE  
WORK  
CLAMP  
Fig. 16  
17  
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ASSEMBLY  
SCREW  
WARNING:  
Before connecting saw to power source, make  
sure the blade or blade guard will not hit the work  
clamp or table extensions when cutting 35° to 45°  
angles.  
BLADE BOLT  
COVER  
TO INSTALL BLADE  
See Figure 17.  
LOWER  
BLADE  
GUARD  
WARNING:  
BLADE  
A 12 in. blade is the maximum blade capacity of  
the saw. Never use a blade that is too thick to allow  
outer blade washer to engage with the flats on the  
spindle. Larger blades will come in contact with the  
blade guards, while thicker blades will prevent the  
hex bolt from securing the blade on the spindle.  
Either of these situations could result in a serious  
accident and can cause serious personal injury.  
TO  
LOOSEN  
SCREW  
FLAT  
ON SPINDLE  
TO  
TIGHTEN  
n Unplug the saw.  
n Raise saw arm.  
n Rotate lower blade guard up and loosen screw. Rotate  
blade bolt cover up and back to expose the hex bolt.  
HEX  
BOLT  
n Depress the spindle lock button and rotate the hex bolt  
INNER BLADE  
WASHER WITH  
until the spindle locks.  
LASER GUIDE  
OR OUTER  
BLADE WASHER  
n Using the wrench provided, loosen and remove the hex  
DOUBLE "D" FLATS  
bolt.  
Fig. 17  
NOTE: The hex bolt has left hand threads. Turn hex bolt  
clockwise to loosen.  
n Remove the outer blade washer or the laser guide. Do  
CAUTION:  
not remove the inner blade washer.  
Always install the blade with the blade teeth and  
the arrow printed on the side of the blade pointing  
down at the front of the saw. The direction of blade  
rotation is also stamped with an arrow on the upper  
blade guard.  
n Wipe a drop of oil onto the inner blade washer or the laser  
guide and the outer blade washer or laser guide where  
they contact the blade.  
WARNING:  
If inner blade washer has been removed, replace  
it before placing blade on spindle. Failure to do  
so could cause an accident since blade will not  
tighten properly.  
n Replace outer blade washer or the laser guide. The  
double "D" flats on the blade washers align with the  
flats on the spindle.  
n Depress spindle lock button and replace hex bolt.  
n Fit saw blade inside lower blade guard and onto spindle.  
The blade teeth point downward at the front of saw as  
shown in figure 17.  
NOTE: The hex bolt has left hand threads. Turn blade  
bolt counterclockwise to tighten.  
n Tighten hex bolt securely.  
n Replace the lower blade guard and blade bolt cover.  
n Replace screw and tighten securely.  
18  
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ASSEMBLY  
BLADE BOLT  
COVER  
WARNING:  
Make sure the spindle lock button is not engaged  
before reconnecting saw into power source. Never  
engage spindle lock button when blade is rotating.  
LOWER  
BLADE GUARD  
MOUNTING THE EXACTLINE™ LASER GUIDE  
See Figure 18.  
BLADE  
n Unplug the saw.  
See "To Install Blade" on page 18 in the Assembly section  
of this operator's manual.  
TO  
LOOSEN  
SCREW  
n Make sure inner blade washer is in place before  
positioning saw blade on the spindle of the saw.  
FLATS  
ON SPINDLE  
NOTE: The laser guide replaces the outer blade  
washer.  
TO  
TIGHTEN  
n Placethelaserguideontothespindle,aligningthedouble  
"D" flats in the laser guide with the flats on the spindle.  
n Position flat surface of laser guide against the blade.  
Warning labels are visible when laser guide is mounted  
properly.  
HEX KEY  
BOLT  
INNER BLADE  
WASHER WITH  
n Depress spindle lock button and secure laser guide  
LASER GUIDE  
OR OUTER  
BLADE WASHER  
using only the special hex bolt provided.  
DOUBLE "D" FLATS  
NOTE: The hex bolt has left hand threads. Turn bolt  
counterclockwise to tighten.  
Fig. 18  
n Using the blade wrench provided with the saw, tighten  
bolt securely.  
ALIGNING THE LASER GUIDE LINE  
See Figure 19.  
n Remove the blade wrench and store it in the saw base  
The laser guide will generate a red colored line on the work  
surface when the blade is spinning. The red laser line will  
appear as a broken line on the workpiece when the blade as-  
sembly is in the uppermost position and the motor switch is  
activated. This broken line will let you see your mark and your  
laser guide line at the same time, and will assist you in lining  
up your mark for more accurate cutting of the workpiece.  
for future use.  
n Replace the lower blade guard and blade bolt cover.  
n Retightenscrewsecuringbladeboltcover. Tightenscrew  
securely.  
DANGER:  
Align the laser line and your mark with the blade at the  
uppermost position. Once both lines are in alignment, do not  
move the workpiece until after you have finished cutting.  
Laser radiation. Avoid direct eye contact with light  
source.  
As the blade assembly is lowered toward the workpiece, the  
broken line will become solid.  
Make several practice cuts on different styles and thickness  
of material.  
19  
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ASSEMBLY  
Follow the directions below for using the laser guide.  
Removing Your Mark:  
Position the laser line near the left edge of your mark on  
the work surface in order to remove the mark.  
To Cut Your Mark:  
Position the laser line near or over your mark on the work  
surface in order to cut the mark.  
To Leave Your Mark:  
Position the laser line near the right edge of your mark on  
the work surface in order to leave the mark.  
After you have become familiar with using the laser guide,  
you will be able to remove, cut, or leave your mark on the  
work surface. Practice will teach you the correct position  
for aligning the laser line with your mark.  
35  
45  
40  
CUTTING A SLOT IN THE ZERO CLEARANCE  
THROAT PLATE  
BROKEN  
RED LINE  
In order to use your compound miter saw, you must cut  
a slot through the zero clearance throat plate to allow for  
blade clearance. To cut the slot, set your saw at 0° miter,  
turn saw on and allow the blade to reach full speed, then  
carefully make a straight cut as far as it will go through the  
throat plate. Turn your saw off and allow the blade to come  
to a complete stop before raising the saw arm.  
Fig. 19  
SOCKET HEAD  
SCREW(S)  
SOCKET HEAD  
SCREW(S)  
Next, adjust the bevel angle to 45°, turn your saw on and al-  
low the blade to reach full speed, then carefully make another  
cut through the zero clearance throat plate. The slot in the  
throat plate will then be wide enough to allow the blade to  
pass through it at any angle from 0° to 45°.  
NOTE: Many of the illustrations in this manual show only  
portions of your compound miter saw. This is intentional so  
that we can clearly show points being made in the illustra-  
tions. Never operate your saw without all guards securely  
in place and in good operating condition.  
FENCE  
SQUARING THE SAW BLADE TO THE FENCE  
See Figures 20 - 24  
Fig. 20  
n Unplug your saw.  
SLIDING  
MITER  
FENCE  
WARNING:  
BLADE  
Failure to unplug your saw could result in accidental  
starting causing possible serious personal injury.  
MITER  
LOCK  
PLATE  
n Remove the screws holding the throat plate in place.  
35  
50  
40  
45  
Remove the throat plate.  
n Pull the saw arm all the way down and engage the lock  
pin to hold the saw arm in transport position.  
MITER  
LOCK  
HANDLE  
FRAMING  
SQUARE  
MITER  
TABLE  
n Loosen the miter lock handle approximately one-half  
turn.  
VIEW OF BLADE SQUARE WITH FENCE  
Fig. 21  
20  
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ASSEMBLY  
n Depress the miter lock plate and rotate the miter table  
SLIDING  
MITER  
FENCE  
until the pointer on the control arm is positioned at 0°.  
n Release the miter lock plate and securely tighten the miter  
lock handle.  
n Remove the sliding miter fence by loosening the set screw  
and the sliding miter fence knob.  
n Lay a framing square flat on the miter table. Place one  
leg of the square against the fence. Slide the other leg  
of the square against the flat part of saw blade.  
35  
50  
45  
40  
BLADE  
NOTE: Make sure that the square contacts the flat part  
of the saw blade, not the blade teeth.  
FRAMING  
SQUARE  
MITER  
TABLE  
n The edge of the square and the saw blade should be  
parallel as shown in figure 21.  
VIEW OF BLADE NOT SQUARE WITH FENCE,  
ADJUSTMENTS ARE REQUIRED  
n If the front or back edge of the saw blade angles away  
from the square as shown in figures 22 and 23, adjust-  
ments are needed.  
Fig. 22  
SLIDING  
MITER  
FENCE  
n Loosen the socket head screws that secure the miter  
fence to the miter table. See Figure 20.  
n Rotate the miter fence left or right until the saw blade is  
parallel with the square.  
n Retighten the screws securely and recheck the blade-to-  
fence alignment.  
n Insert the throat plate and secure with the screws. Tighten  
firmly. See page 20 for instruction regarding “cutting a  
slot in the zero clearance throat plate”.  
BLADE  
35  
50  
45  
40  
Your saw has several scale indicators. After squaring adjust-  
ments have been made, it may be necessary to loosen the  
indicators screws and reset them to zero. See Figure 24.  
FRAMING  
SQUARE  
MITER  
TABLE  
VIEW OF BLADE NOT SQUARE WITH FENCE,  
ADJUSTMENTS ARE REQUIRED  
Fig. 23  
INDICATOR  
POINT  
SCALE  
INDICATOR  
BEVEL  
SCALE  
MITER  
SCALE  
INDICATOR  
SCREW  
SCALE  
INDICATOR  
INDICATOR  
SCREW  
Fig. 24  
21  
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ASSEMBLY  
BEVEL  
LOCK  
KNOB  
SQUARING THE BLADE TO THE MITER TABLE  
See Figures 25 - 28.  
n Unplug your saw.  
BLADE  
MITER  
FENCE  
WARNING:  
Failure to unplug your saw could result in accidental  
starting causing possible serious personal injury.  
n Pull the saw arm all the way down and engage the lock  
35  
50  
45  
40  
pin to hold the saw arm in transport position.  
n Loosen the miter lock handle approximately one-half  
turn.  
MITER  
MITER  
LOCK  
n Depress the miter lock plate and rotate the miter table  
MITER  
TABLE  
LOCK PLATE  
until the pointer on the control arm is positioned at 0°.  
HANDLE  
COMBINATION  
SQUARE  
n Release the miter lock plate and securely tighten the miter  
CORRECT VIEW OF BLADE  
SQUARE WITH MITER TABLE  
lock handle.  
n Loosen bevel lock knob and set saw arm at 0° bevel (blade  
Fig. 25  
set 90° to miter table). Tighten bevel lock knob.  
n Place a combination square against the miter table and  
the flat part of saw blade.  
NOTE: Make sure that the square contacts the flat part  
of the saw blade, not the blade teeth.  
n Rotate the blade by hand and check the blade-to-table  
alignment at several points.  
n The edge of the square and the saw blade should be  
parallel as shown in figure 25.  
n If the top or bottom of the saw blade angles away from  
the square as shown in figures 26 and 27, adjustments  
are needed.  
5
3
50  
45  
40  
COMBINATION  
SQUARE  
n Loosen the bevel lock knob.  
n Using the blade wrench, loosen the bevel stop adjustment  
screw and slide the bevel stop left or right as needed  
to bring the saw blade into alignment with the square.  
Retighten bevel stop adjustment screw. See Figure 28.  
VIEW OF BLADE NOT SQUARE WITH MITER TABLE,  
ADJUSTMENTS ARE REQUIRED  
Fig. 26  
n Retighten bevel lock knob. Recheck blade-to-table align-  
ment.  
NOTE: The above procedure can be used to check blade  
squareness of the saw blade to the miter table at both 0°  
and 45° angles.  
Your saw has several scale indicators. After squaring adjust-  
ments have been made, it may be necessary to loosen the  
indicators screws and reset them to zero. See Figure 24.  
35  
50  
45  
40  
COMBINATION  
SQUARE  
VIEW OF BLADE NOT SQUARE WITH MITER TABLE,  
ADJUSTMENTS ARE REQUIRED  
Fig. 27  
22  
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ASSEMBLY  
BEVEL  
LOCK KNOB  
PIVOT ADJUSTMENTS  
NOTE: These adjustments were made at the factory and  
normally do not require readjustment.  
TRAVEL PIVOT ADJUSTMENT  
n The saw arm should rise completely to the up position  
BEVEL STOP  
ADJUSTMENT  
SCREW  
by itself.  
BEVEL  
STOP PIN  
n If the saw arm does not raise by itself or if there is play  
in the pivot joints, have saw repaired by at your nearest  
AUTHORIZED SERVICE CENTER.  
BEVEL PIVOT ADJUSTMENT  
n Your compound miter saw should bevel easily by loos-  
ening the bevel lock knob and tilting the saw arm to the  
left.  
BEVEL  
STOP  
n If movement is tight or if there is play in the pivot, have  
saw repaired by at your nearest AUTHORIZED SERVICE  
CENTER.  
Fig. 28  
OPERATION  
WARNING:  
WARNING:  
Do not allow familiarity with tools to make you care-  
less. Remember that a careless fraction of a second  
is sufficient to inflict severe injury.  
Before starting any cutting operation, clamp or bolt  
your miter saw to a workbench. Never operate your  
miter saw on the floor or in a crouched position.  
Failure to heed this warning can result in serious  
personal injury.  
WARNING:  
Always wear safety goggles or safety glasses with  
side shields when operating tools. Failure to do so  
could result in objects being thrown into your eyes  
resulting in possible serious injury.  
WARNING:  
To avoid serious personal injury, keep your hands  
outside the no hands zone; at least 3 in. from blade.  
Never perform any cutting operation freehand (with-  
out holding workpiece against the fence). The blade  
could grab the workpiece if it slips or twists.  
WARNING:  
Do not use any attachments or accessories not  
recommended by the manufacturer of this tool.  
The use of attachments or accessories not recom-  
mended can result in serious personal injury.  
WARNING:  
Do not start your compound miter saw without  
checking for interference between the blade and  
the miter fence. Damage could result to the blade  
if it strikes the miter fence during operation of the  
saw.  
APPLICATIONS  
This product has been designed only for the purposes  
listed below:  
n Cross cutting wood and plastic.  
n Cross cutting miters, joints, etc. for picture frames,  
moldings, door casings, and fine joinery.  
NOTE: The blade provided is fine for most wood cutting  
operations, but for fine joinery cuts or cutting plastic, use  
one of the accessory blades available from your dealer.  
23  
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OPERATION  
n When cutting long pieces of lumber or molding, support  
the opposite end of the stock with a roller stand or with  
a work surface level with the saw table. See Figure 35.  
CUTTING WITH YOUR COMPOUND MITER  
SAW  
n Align cutting line on the workpiece with the edge of saw  
WARNING:  
blade.  
When using a work clamp or C-clamp to secure  
your workpiece, clamp workpiece on one side of  
the blade only. The workpiece must remain free  
on one side of the blade to prevent the blade from  
binding in workpiece. The workpiece binding the  
blade will cause motor stalling and kickback. This  
situation could cause an accident resulting in pos-  
sible serious personal injury.  
n Grasp the stock firmly with one hand and secure  
it against the fence. Use the optional work clamp or a  
C-clamp to secure the workpiece when possible.  
n Before turning on the saw, perform a dry run of the cutting  
operation just to make sure that no problems will occur  
when the cut is made.  
n Grasp the saw handle firmly. Depress the switch lock  
with thumb then squeeze the switch trigger. Allow several  
seconds for the blade to reach maximum speed.  
n Slowly lower the blade into and through the workpiece.  
WARNING:  
n Release the switch trigger and allow the saw blade to stop  
rotating before raising the blade out of workpiece. Wait  
until the electric brake stops blade from turning before  
removing the workpiece from the miter table.  
To avoid serious personal injury, always tighten the  
miter lock handle securely before making a cut.  
Failure to do so could result in movement of the  
control arm or miter table while making a cut.  
TO CROSSCUT  
See Figure 29.  
A crosscut is made by cutting across the grain of the  
workpiece. A straight crosscut is made with the miter table  
set at the 0° position. Miter crosscuts are made with the miter  
table set at some angle other than zero.  
n Pull out the lock pin and lift saw arm to its full height.  
n Loosen the miter lock handle. Rotate the miter lock handle  
approximately one-half turn to the left to loosen.  
STRAIGHT  
CROSSCUT  
n Press the miter lock plate down with your thumb and  
hold.  
n Rotate the control arm until the pointer aligns with the  
desired angle on the miter scale.  
n Release the miter lock plate.  
NOTE: You can quickly locate 0°, 15°, 22.5°, 31.62°, and  
45° left or right by releasing the lock plate as you rotate  
the control arm. The lock plate will seat itself in one of the  
positive stop notches, located in the miter table frame.  
WORK CLAMP  
Fig. 29  
n Tighten the miter lock handle securely.  
n Place the workpiece flat on the miter table with one edge  
securely against the fence. If the board is warped, place  
the convex side against the fence. If the concave edge  
of a board is placed against the fence, the board could  
collapse on the blade at the end of the cut, jamming the  
blade. See Figures 37 - 38.  
24  
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OPERATION  
TO BEVEL CUT  
See Figures 30 - 32.  
A bevel cut is made by cutting across the grain of the  
workpiece with the blade angled to the workpiece. A  
straight bevel cut is made with the miter table set at the  
zero degree position and the blade set at an angle between  
-2° and 47°.  
BEVEL  
SCALE  
SCALE  
INDICATOR  
NOTE: It may be necessary to adjust the sliding miter fence  
to assure proper clearance prior to making the cut.  
n Pull out the lock pin and lift saw arm to its full height.  
INDICATOR  
POINT  
n Loosen the miter lock handle. Rotate the miter lock han-  
dle approximately one-half turn to the left to loosen.  
INDICATOR  
SCREW  
n Press the miter lock plate down with your thumb and  
hold.  
Fig. 30  
n Rotate the control arm until the pointer aligns with zero  
on the miter scale.  
n Release the miter lock plate.  
NOTE: You can quickly locate zero by releasing the lock  
plate as you rotate the control arm. The lock plate will seat  
itself in one of the built-in positive stop notches, located  
in the miter table frame.  
BEVEL CUT  
�
n Tighten the miter lock handle securely.  
n Loosen the bevel lock knob and move the saw arm to  
the left to the desired bevel angle.  
n Bevel angles can be set from -2° to 47°.  
n Once the saw arm has been set at the desired angle,  
securely tighten the bevel lock knob.  
n Place the workpiece flat on the miter table with one edge  
securely against the fence. If the board is warped, place  
the convex side against the fence. If the concave edge  
of a board is placed against the fence, the board could  
collapse on the blade at the end of the cut, jamming the  
blade. See Figures 37 - 38.  
n When cutting long pieces of lumber or molding, support  
the opposite end of the stock with a roller stand or with  
a work surface level with the saw table. See Figure 35.  
WORK CLAMP  
Fig. 31  
n Align the cutting line on the workpiece with the edge of  
saw blade.  
n Grasp the stock firmly with one hand and secure it against  
the fence. Use the optional work clamp or a C-clamp to  
secure the workpiece when possible. See Figure 33.  
n Before turning on the saw, perform a dry run of the cutting  
operation just to make sure that no problems will occur  
when the cut is made.  
n Grasp the saw handle firmly. Depress the switch lock  
with thumb then squeeze the switch trigger. Allow several  
seconds for the blade to reach maximum speed.  
BEVEL  
STOP PIN  
Fig. 32  
25  
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OPERATION  
n Slowly lower the blade into and through the workpiece.  
COMPOUND  
MITER CUT  
n Release the switch trigger and allow the saw blade to stop  
rotating before raising the blade out of workpiece. Wait  
until the electric brake stops blade from turning before  
removing the workpiece from miter table.  
TO COMPOUND MITER CUT  
A compound miter cut is a cut made using a miter angle and  
a bevel angle at the same time. This type of cut is used to  
make picture frames, cut molding, make boxes with sloping  
sides, and for certain roof framing cuts.  
To make this type of cut the control arm on the miter table  
must be rotated to the correct angle and the saw arm must  
be tilted to the correct bevel angle. Care should always be  
taken when making compound miter setups due to the in-  
teraction of the two angle settings.  
Adjustments of miter and bevel settings are interdependent  
with one another. Each time you adjust the miter setting you  
change the effect of the bevel setting. Also, each time you  
adjust the bevel setting you change the effect of the miter  
setting.  
WORK CLAMP  
Fig. 33  
It may take several settings to obtain the desired cut. The  
firstanglesettingshouldbecheckedaftersettingthesecond  
angle, since adjusting the second angle affects the first.  
n Make a test cut in scrap material.  
n Place the workpiece flat on the miter table with one edge  
securely against the fence. If the board is warped, place  
the convex side against the fence. If the concave edge  
of a board could collapse on the blade at the end of the  
cut, jamming the blade. See Figures 37 - 38.  
Once the two correct settings for a particular cut have been  
obtained, always make a test cut in scrap material before  
making a finish cut in good material.  
n Pull out the lock pin and lift saw arm to its full height.  
n When cutting long pieces of lumber or molding, support  
the opposite end of the stock with a roller stand or with  
a work surface level with the saw table. See Figure 35.  
n Loosen the miter lock handle. Rotate the miter lock han-  
dle approximately one-half turn to the left to loosen.  
n Press the miter lock plate down with your thumb and  
hold.  
n Rotate the control arm until the pointer aligns with the  
desired angle on the miter scale.  
n Release the miter lock plate.  
NOTE: You can quickly locate 0°, 15°, 22.5°, 31.62°, and  
45° left or right by releasing the miter lock plate as you  
rotate the control arm. The miter lock plate will seat itself  
in one of the positive stop notches, located in miter table  
frame.  
n Tighten the miter lock handle securely.  
n Loosen the bevel lock knob and move the saw arm to  
the left to the desired bevel angle.  
n Bevel angles can be set from -2˚ to 48˚.  
n Once the saw arm has been set at the desired angle,  
securely tighten the bevel lock knob.  
26  
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OPERATION  
n Align the cutting line on the workpiece with the edge of  
saw blade.  
n Grasp the stock firmly with one hand and secure it against  
the fence. Use the optional work clamp or a C-clamp to  
secure the workpiece when possible. See Figure 33.  
n Before turning on the saw, perform a dry run of the cutting  
operation just to make sure that no problems will occur  
when the cut is made.  
n Grasp the saw handle firmly. Depress the switch lock  
with thumb then squeeze the switch trigger. Allow several  
seconds for the blade to reach maximum speed.  
n Slowly lower the blade into and through the workpiece.  
See Figures 33 - 34.  
n Release the switch trigger and allow the saw blade to  
stop rotating before raising the blade out of workpiece.  
Wait until the electric brake stops blade from turning  
before removing the workpiece from miter table.  
SUPPORT LONG WORKPIECES  
See Figure 35.  
Long workpieces need extra supports. Supports should be  
placed along the workpiece so it does not sag. The support  
should let the workpiece lay flat on the base of the saw and  
work table during the cutting operation. Use the optional  
work clamp or a C-clamp to secure the workpiece.  
45° x 45° COMPOUND MITER CUT  
Fig. 34  
LONG  
WORKPIECE  
35  
45  
40  
WORKPIECE  
SUPPORTS  
Fig. 35  
27  
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OPERATION  
CUTTING COMPOUND MITERS  
To aid in making the correct settings, the compound angle setting chart below has been provided. Since compound cuts are  
the most difficult to accurately obtain, trial cuts should be made in scrap material, and much thought and planning made,  
prior to making your required cut.  
NUMBER OF SIDES  
PITCH  
OF SIDE  
4
5
6
7
8
9
10  
M- 30.00°  
B- 0.00°  
M- 45.00° M- 36.00°  
B- 0.00° B- 0.00°  
M- 22.50°  
B- 0.00°  
M- 25.71°  
B- 0.00°  
M- 20.00° M- 18.00°  
B- 0.00° B- 0.00°  
0°  
M- 22.42°  
B- 1.91°  
M- 17.94°  
M- 19.93°  
M- 44.89°  
B- 3.53°  
M- 35.90° M- 29.91° M- 25.63°  
B- 2.94° B- 2.50° B- 2.17°  
5°  
10°  
15°  
20°  
25°  
30°  
35°  
40°  
45°  
B- 1.54°  
B- 1.71°  
M- 44.56° M- 35.58°  
B- 7.05° B- 5.86°  
M- 19.72°  
B- 3.40°  
M- 29.62° M- 25.37° M- 22.19°  
B- 4.98° B- 4.32° B- 3.81°  
M- 17.74°  
B- 3.08°  
M- 44.01° M- 35.06° M- 29.15°  
B- 10.55° B- 8.75° B- 7.44°  
M- 21.81° M- 19.37° M- 17.42°  
B- 5.68° B- 5.08° B- 4.59°  
M- 24.95°  
B- 6.45°  
M- 28.48°  
B- 9.85°  
M- 34.32°  
B- 11.60°  
M- 24.35° M- 21.27° M- 18.88° M- 16.98°  
B- 8.53° B- 7.52° B- 6.72° B- 6.07°  
M- 43.22°  
B- 14.00°  
M- 42.19° M- 33.36° M- 27.62° M- 23.56° M- 20.58° M- 18.26°  
B- 17.39° B- 14.38° B- 12.20° B- 10.57° B- 9.31° B- 8.31°  
M- 16.41°  
B- 7.50°  
M- 40.89° M- 32.18° M- 26.57° M- 22.64° M- 19.73° M- 17.50°  
B- 20.70° B- 17.09° B- 14.48° B- 12.53° B- 11.03° B- 9.85°  
M- 15.72°  
B- 8.89°  
M- 39.32°  
B- 23.93°  
M- 25.31°  
B- 16.67°  
M- 16.60°  
B- 11.31°  
M- 30.76°  
B- 19.70°  
M- 21.53° M- 18.74°  
B- 14.41° B- 12.68°  
M- 14.90°  
B- 10.21°  
M- 37.45° M- 29.10°  
B- 27.03° B- 22.20°  
M- 20.25° M- 17.60° M- 15.58°  
B- 16.19° B- 14.24° B- 12.70°  
M- 23.86°  
B- 18.75°  
M- 13.98°  
B- 11.46°  
M- 35.26°  
B- 30.00°  
M- 22.21°  
B- 20.70°  
M- 14.43°  
B- 14.00°  
M- 27.19°  
B- 24.56°  
M- 18.80° M- 16.32°  
B- 17.87° B- 15.70°  
M- 12.94°  
B- 12.62°  
M- 32.73°  
B- 32.80°  
M- 20.36°  
B- 22.52°  
M- 25.03°  
B- 26.76°  
M- 17.20° M- 14.91° M- 13.17° M- 11.80°  
B- 19.41° B- 17.05° B- 15.19° B- 13.69°  
50°  
55°  
60°  
65°  
70°  
75°  
80°  
85°  
90°  
M- 18.32°  
B- 24.18°  
M- 29.84° M- 22.62°  
B- 35.40° B- 28.78°  
M- 15.44° M- 13.36° M- 11.79° M- 10.56°  
B- 20.82° B- 18.27° B- 16.27° B- 14.66°  
M- 19.96°  
B- 30.60°  
M- 13.54° M- 11.70° M- 10.31°  
B- 22.07° B- 19.35° B- 17.23°  
M- 26.57°  
B- 37.76°  
M- 16.10°  
B- 25.66°  
M- 9.23°  
B- 15.52°  
M- 13.71°  
B- 26.95°  
M- 7.82°  
B -16.26°  
M- 22.91° M- 17.07°  
B- 39.86° B- 32.19°  
M- 11.50° M- 9.93° M- 8.74°  
B- 23.16° B- 20.29° B- 18.06°  
M- 11.17°  
B- 28.02°  
M- 18.88° M- 13.95°  
B- 41.64° B- 33.53°  
M- 9.35° M- 8.06° M- 7.10°  
B- 24.06° B- 21.08° B- 18.75°  
M- 6.34°  
B- 16.88°  
M- 14.51° M- 10.65°  
B- 43.08° B- 34.59°  
M- 7.10° M- 6.12° M- 5.38°  
B- 24.78° B- 21.69° B- 19.29°  
M- 8.50°  
B- 28.88°  
M- 5.73°  
B- 29.50°  
M- 4.81°  
B- 17.37°  
M- 9.85° M- 7.19°  
B- 44.14° B- 35.37°  
M- 4.98°  
B- 44.78°  
M- 4.78° M- 4.11° M- 3.62° M- 3.23°  
B- 25.30° B- 22.14° B- 19.68° B- 17.72°  
M- 3.62°  
B- 35.84°  
M- 2.40° M- 2.07° M- 1.82°  
B- 25.61° B- 22.41° B- 19.92°  
M- 2.88°  
B- 29.87°  
M- 1.62°  
B- 17.93°  
M- 0.00° M- 0.00° M- 0.00° M- 0.00° M- 0.00° M- 0.00°  
B- 36.00° B- 30.00° B- 25.71° B- 22.50° B- 20.00° B- 18.00°  
M- 0.00°  
B- 45.00°  
Each B (Bevel) and M (Miter) Setting is Given to the Closest 0.005°.  
COMPOUND-ANGLE SETTINGS FOR POPULAR STRUCTURES  
28  
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OPERATION  
When cutting crown molding by this method the bevel angle  
should be set at 33.85°. The miter angle should be set at  
31.62° either right or left, depending on the desired cut for  
the application. See the chart below for correct angle settings  
and correct positioning of crown molding on miter table.  
CUTTING CROWN MOLDING  
Your compound miter saw does an excellent job of cutting  
crown molding. In general, compound miter saws do a better  
job of cutting crown molding than any other tool made.  
In order to fit properly, crown molding must be compound  
mitered with extreme accuracy.  
The settings in the chart below can be used for cutting All  
Standard (U.S.) crown molding with 52° and 38° angles. The  
crown molding is placed flat on the miter table using the  
compound features of your miter saw.  
The two contact surfaces on a piece of crown molding that  
fit flat against the ceiling and the wall of a room are at angles  
that, when added together, equal exactly 90°. Most crown  
molding has a top rear angle (the section that fits flat against  
the ceiling) of 52° and a bottom rear angle (the section that  
fits flat against the wall) of 38°.  
Bevel  
Angle  
Type of Cut  
Setting  
Left side, inside corner  
LAYING MOLDING FLAT ON THE MITER  
TABLE  
See Figure 36.  
1. Top edge of molding against fence  
2. Miter table set right 31.62°  
3. Save left end of cut  
33.85°  
To use this method for accurately cutting crown molding for  
a 90° inside or outside corner, lay the molding with its broad  
back surface flat on the miter table and against the fence.  
Right side, inside corner  
1. Bottom edge of molding against fence  
2. Miter table set left 31.62°  
3. Save left end of cut  
33.85°  
33.85°  
33.85°  
When setting the bevel and miter angles for compound mi-  
ters, remember that the settings are interdependent; chang-  
ing one angle changes the other angle as well.  
Left side, outside corner  
1. Bottom edge of molding against fence  
2. Miter table set left 31.62°  
3. Save right end of cut  
Keep in mind that the angles for crown moldings are very  
precise and difficult to set. Since it is very easy for these  
angles to shift, all settings should first be tested on scrap  
molding. Also most walls do not have angles of exactly 90°,  
therefore, you will need to fine tune your settings.  
Right side, outside corner  
1. Top edge of molding against fence  
2. Miter table set right 31.62°  
3. Save right end of cut  
52°  
CEILING  
38°  
W
A
L
L
FENCE  
INSIDE  
CORNER  
OUTSIDE CORNER  
FENCE  
TOP EDGE AGAINST FENCE =  
LEFT SIDE, INSIDE CORNER  
RIGHT SIDE, OUTSIDE CORNER  
BOTTOM EDGE AGAINST FENCE =  
RIGHT SIDE, INSIDE CORNER  
LEFT SIDE, OUTSIDE CORNER  
MITER TABLE  
MITER TABLE  
CROWN MOLDING FLAT ON MITER TABLE  
Fig. 36  
29  
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OPERATION  
MAKING A CROWN MOLDING SUPPORT JIG  
Bevel  
Angle  
Setting  
A crown molding support jig will need to be made when  
cutting crown molding with no required bevel setting. The  
support jig holds the crown molding in place during the  
cutting operation. When using this method, the saw can be  
quickly adjusted for corners that are not 90° square.  
Type of Cut  
Left side, inside corner  
1. Top edge of molding against fence  
2. Miter table set right 45°  
3. Save left end of cut  
0°  
0°  
0°  
0°  
NOTE: A separate support jig must be made for different  
widths.  
Right side, inside corner  
To make a support jig:  
1. Bottom edge of molding against fence  
n Using a piece of wood 1/2 in. thick, 5 in. wide, and 23-1/2  
in. long, place the wood on the miter table against the  
miter fence.  
2. Miter table set left 45°  
3. Save left end of cut  
Left side, outside corner  
NOTE: Use a piece of wood 28 in. long if using the exten-  
sion table.  
1. Bottom edge of molding against fence  
2. Miter table set left 45°  
n From the back side of the saw, use a pencil to mark the  
3. Save right end of cut  
wood through the holes in the miter fences.  
Right side, outside corner  
1. Top edge of molding against fence  
2. Miter table set right 45°  
3. Save right end of cut  
n Drill holes through the wood then countersink the holes  
to accept flat head screws.  
n Attach the wood to the fence using the flat head  
screws.  
n Place a piece of crown molding firmly against the miter  
table and the wood. Mark the height of the molding with  
a pencil.  
CUTTING WARPED MATERIAL  
See Figures 37 - 38.  
n Remove the screws and the wood from the miter fence  
When cutting warped material, always make sure it is posi-  
tioned on the miter table with the convex side against the  
fence as shown in figure 37.  
then cut the wood to this width.  
n Using small nails and glue, attach a piece of wood  
(1/2 in. thick x 1-1/2 in. wide x 23-1/2 or 28 in. long) to  
the top of the wood.  
If the warped material is positioned the wrong way as shown  
in figure 38, it will pinch the blade near the completion of  
the cut.  
NOTE: Keep nails away from the area around the blade  
cutting path.  
n Securely reattach the support jig to the miter fence.  
n Make a full 45° left miter cut and a 45° right miter cut  
through the completed support jig.  
USING A CROWN MOLDING SUPPORT JIG  
n Place the crown molding upside down on the miter table  
with the bottom of the molding against the wood fence.  
n Use the chart below to select the proper miter angle.  
n Loosen the miter lock handle and position the miter table  
to the desired setting. Securely tighten the miter lock  
handle.  
n Slowly lower the blade into and through the molding.  
n Release the switch trigger and allow the saw blade to stop  
rotating before raising the blade out of the workpiece.  
Wait until the electric brake stops blade from turning  
before removing the workpiece from the miter table.  
RIGHT  
Fig. 37  
30  
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OPERATION  
CLAMPING WIDE WORKPIECES  
See Figure 39.  
When cutting wide workpieces, such as 2 in. x 6 in., boards  
should be clamped with a C-clamp as shown in figure 32.  
WRONG  
Fig. 38  
45  
40  
WARNING:  
To avoid a kickback and to avoid serious personal  
injury, never position the concave edge of bowed  
or warped material against the fence.  
WIDE BOARD  
Fig. 39  
MAINTENANCE  
It has been found that electric tools are subject to accel-  
erated wear and possible premature failure when they are  
used on fiberglass boats, sports cars, wallboard, spackling  
compounds, or plaster. The chips and grindings from these  
materials are highly abrasive to electric tool parts such as  
bearings, brushes, commutators, etc. Consequently, it is not  
recommended that this tool be used for extended work on  
any fiberglass material, wallboard, spackling compounds,  
or plaster. During any use on these materials it is extremely  
important that the tool is cleaned frequently by blowing with  
an air jet.  
WARNING:  
When servicing, use only identical replacement  
parts. Use of any other part may create a hazard  
or cause product damage.  
GENERAL  
Avoid using solvents when cleaning plastic parts. Most  
plastics are susceptible to damage from various types of  
commercial solvents and may be damaged by their use. Use  
clean cloths to remove dirt, carbon dust, etc.  
LUBRICATION  
All of the bearings in this tool are lubricated with a sufficient  
amount of high grade lubricant for the life of the unit under  
normal operating conditions. Therefore, no further lubrica-  
tion is required.  
WARNING:  
Do not at any time let brake fluids, gasoline, petro-  
leum-based products, penetrating oils, etc. come in  
contact with plastic parts. They contain chemicals  
that can damage, weaken or destroy plastic.  
31  
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MAINTENANCE  
EXTENSION CORDS  
BRUSH REPLACEMENT  
See Figure 40.  
The use of any extension cord will cause some loss of power.  
To keep the loss to a minimum and to prevent tool overheat-  
ing, use an extension cord that is heavy enough to carry the  
current the tool will draw.  
The saw has externally accessible brush assemblies that  
should be periodically checked for wear.  
Proceed as follows when replacement is required:  
A wire gage size (A.W.G.) of at least 14 is recommended for  
an extension cord 25 feet or less in length. When working  
outdoors, use an extension cord that is suitable for outdoor  
use. The cord's jacket will be marked WA.  
n Unplug the saw.  
WARNING:  
Failure to unplug the saw could result in accidental  
starting causing serious injury.  
WARNING:  
Keep extension cords away from the cutting area  
and position the cord so that it will not get caught  
on lumber, tools, etc., during cutting operation.  
Failure to heed this warning may result in serious  
personal injury.  
n Remove brush cap with a screwdriver. Brush assembly is  
spring loaded and will pop out when you remove brush  
cap.  
n Remove brush assembly.  
n Check for wear. Replace both brushes when either has  
less than 1/4 in. length of carbon remaining. Do not re-  
place one side without replacing the other.  
CAUTION:  
n Reassemble using new brush assemblies. Make sure  
curvature of brush matches curvature of motor and that  
brush moves freely in brush tube.  
Check extension cords before each use. If dam-  
aged, replace immediately. Never use tool with a  
damaged cord since touching the damaged area  
could cause electrical shock resulting in serious  
injury.  
n Make sure brush cap is oriented correctly (straight) and  
replace.  
n Tighten brush cap securely. Do not overtighten.  
WARNING:  
Always wear safety goggles or safety glasses with  
side shields during power tool operation or when  
blowing dust. If operation is dusty, also wear a dust  
mask.  
BRUSH  
CAP  
BRUSH  
ASSEMBLY  
BRUSH  
ASSEMBLY  
�
WARNING:  
To ensure safety and reliability, all repairs should  
be performed by a qualified service technician at a  
Authorized Service Center to avoid risk of personal  
injury.  
BRUSH  
CAP  
Fig. 40  
32  
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MAINTENANCE  
CHANGING THE BATTERIES  
See Figure 41.  
SCREWS  
n Unplug your saw.  
WARNING:  
Failure to unplug your saw could result in accidental  
starting causing possible serious personal injury.  
Remove the laser guide from the saw. Lay laser guide on  
a flat surface with the two phillips screws facing upward.  
Remove the screws and separate the laser guide cover from  
the laser guide support.  
APERTURE  
LASER GUIDE  
COVER  
Remove the three button cell batteries using a non-conduc-  
tive device such as a toothpick.  
NOTE: Replace the batteries with button cell batteries that  
have a rating of 1.5 volt and 100 mah (milliampere hour)  
minimum (Number 76 series or equivalent).  
KEY  
When replacing the batteries, the laser guide should be thor-  
oughly cleaned. Use a soft paintbrush or similar device, to  
remove all sawdust and debris.  
KEY  
SLOT  
Do not attempt to activate the laser.  
The laser is activated by means of a centrifugal switch  
only while the saw motor is running and the laser guide is  
mounted on the saw.  
BATTERIES  
After cleaning laser guide and replacing batteries, secure  
laser guide cover to laser guide support using the two phil-  
lips head screws. For proper assembly, be sure to align the  
key on the laser guide cover with the key slot in the laser  
guide support. Tighten screws securely.  
NEGATIVE (–)  
LASER GUIDE  
SUPPORT  
NOTE: Aperture in laser guide cover must be aligned with  
aperture in laser guide support.  
CAUTION:  
Use of controls or adjustments or performance of  
procedures other than those specified herein may  
result in hazardous radiation exposure.  
APERTURE  
LASER GUIDE  
DANGER: Laser radiation when open and interlock  
defeated. AVOID DIRECT EYE EXPOSURE.  
Fig. 41  
33  
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NOTES  
34  
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WARRANTY  
RIDGID® HAND HELD AND STATIONARY POWER TOOL  
3 YEAR LIMITED SERVICE WARRANTY  
Proof of purchase must be presented when requesting war-  
ranty service.  
WHAT IS NOT COVERED  
This warranty applies only to the original purchaser at retail  
and may not be transferred. This warranty only covers de-  
fects arising under normal usage and does not cover any  
malfunction, failure or defect resulting from misuse, abuse,  
neglect, alteration, modification or repair by other than  
an authorized service center for RIDGID® branded hand  
held and stationary power tools. Consumable accessories  
provided with the tool such as, but not limited to, blades,  
bits and sand paper are not covered.  
Limited to RIDGID® hand held and stationary power tools  
purchased 2/1/04 and after. This product is manufactured  
by One World Technologies, Inc. The trademark is licensed  
from RIDGID®, Inc. All warranty communications should be  
directed to One World Technologies, Inc., attn: RIDGID®  
Hand Held and Stationary Power Tool Technical Service at  
(toll free) 1-866-539-1710.  
90-DAY SATISFACTION GUARANTEE POLICY  
RIDGID, INC. AND ONE WORLD TECHNOLOGIES, INC.  
MAKE NO WARRANTIES, REPRESENTATIONS OR  
PROMISES AS TO THE QUALITY OR PERFORMANCE  
OF ITS POWER TOOLS OTHER THAN THOSE SPECIFI-  
CALLY STATED IN THIS WARRANTY.  
During the first 90 days after the date of purchase, if you are  
dissatisfied with the performance of this RIDGID® Hand Held  
and Stationary Power Tool for any reason you may return  
the tool to the dealer from which it was purchased for a full  
refund or exchange. To receive a replacement tool you must  
present proof of purchase and return all original equipment  
packaged with the original product. The replacement tool  
will be covered by the limited warranty for the balance of  
the 3 YEAR service warranty period.  
ADDITIONAL LIMITATIONS  
To the extent permitted by applicable law, all implied war-  
ranties, including warranties of MERCHANTABILITY or FIT-  
NESS FOR A PARTICULAR PURPOSE, are disclaimed. Any  
implied warranties, including warranties of merchantability  
or fitness for a particular purpose, that cannot be disclaimed  
under state law are limited to three years from the date of  
purchase. One World Technologies, Inc. and RIDGID®, Inc.  
are not responsible for direct, indirect, incidental or conse-  
quential damages. Some states do not allow limitations on  
how long an implied warranty lasts and/or do not allow the  
exclusion or limitation of incidental or consequential dam-  
ages, so the above limitations may not apply to you. This  
warranty gives you specific legal rights, and you may also  
have other rights which vary from state to state.  
WHAT IS COVERED UNDER THE 3 YEAR  
LIMITED SERVICE WARRANTY  
This warranty on RIDGID® Hand Held and Stationary Power  
Tools covers all defects in workmanship or materials and nor-  
mal wear items such as brushes, chucks, motors, switches,  
cords, gears and even cordless batteries in this RIDGID®  
tool for three years following the purchase date of the tool.  
Warranties for other RIDGID® products may vary.  
HOW TO OBTAIN SERVICE  
To obtain service for this RIDGID® tool you must return it;  
freight prepaid, or take it in to an authorized service center  
for RIDGID® branded hand held and stationary power tools.  
You may obtain the location of the authorized service center  
nearest you by calling (toll free) 1-866-539-1710 or by log-  
ging on to the RIDGID® website at www.ridgid.com. When  
requesting warranty service, you must present the original  
dated sales receipt. The authorized service center will re-  
pair any faulty workmanship, and either repair or replace  
any part covered under the warranty, at our option, at no  
charge to you.  
One World Technologies, Inc.  
Hwy. 8  
Pickens, SC 29671  
35  
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OPERATOR’S MANUAL  
12 in. COMPOUND MITER SAW  
WITH EXACTLINE™ LASER  
MS1250LZ - Double Insulated  
CUSTOMER SERVICE INFORMATION  
For parts or service, contact your nearest RIDGID authorized service  
center.Besuretoprovideallrelevantinformationwhenyoucallorvisit.  
For the location of the authorized service center nearest you, please  
call 1-866-539-1710 or visit us online at www.ridgid.com.  
Themodelnumberofthistoolisfoundonaplateattachedtothemotor  
housing. Pleaserecordtheserialnumberinthespaceprovidedbelow.  
When ordering repair parts, always give the following information:  
MS1250LZ  
Model No.  
Serial No.  
983000-578  
8-05  
36  
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