Makita Trimmer JS1600 User Manual

Shear  
MODEL JS1600  
004665  
DOUBLE  
INSULATION  
I N S T R U C T I O N M A N U A L  
WARNING:  
For your personal safety, READ and UNDERSTAND before using.  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.  
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GENERAL SAFETY RULES  
GEA001-3  
WARNING:  
Read all instructions. Failure to follow all instructions listed below may result in  
electric shock, fire and/or serious injury. The term “power tool” in all of the  
warnings listed below refers to your mains-operated (corded) power tool or battery-  
operated (cordless) power tool.  
SAVE THESE INSTRUCTIONS  
Work area safety  
10. Use safety equipment. Always wear eye protec-  
tion. Safety equipment such as dust mask, non-skid  
safety shoes, hard hat, or hearing protection used  
for appropriate conditions will reduce personal inju-  
ries.  
1. Keep work area clean and well lit. Cluttered and  
dark areas invite accidents.  
2. Do not operate power tools in explosive atmos-  
pheres, such as in the presence of flammable  
liquids, gases or dust. Power tools create sparks  
which may ignite the dust or fumes.  
11. Avoid accidental starting. Ensure the switch is  
in the off-position before plugging in. Carrying  
power tools with your finger on the switch or plug-  
ging in power tools that have the switch on invites  
accidents.  
3. Keep children and bystanders away while oper-  
ating a power tool. Distractions can cause you to  
lose control.  
12. Remove any adjusting key or wrench before  
turning the power tool on. A wrench or a key left  
attached to a rotating part of the power tool may  
result in personal injury.  
Electrical safety  
4. Power tool plugs must match the outlet. Never  
modify the plug in any way. Do not use any  
adapter plugs with earthed (grounded) power  
tools. Unmodified plugs and matching outlets will  
reduce risk of electric shock.  
13. Do not overreach. Keep proper footing and bal-  
ance at all times. This enables better control of the  
power tool in unexpected situations.  
5. Avoid body contact with earthed or grounded  
surfaces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of electric  
shock if your body is earthed or grounded.  
14. Dress properly. Do not wear loose clothing or  
jewellery. Keep your hair, clothing, and gloves  
away from moving parts. Loose clothes, jewellery  
or long hair can be caught in moving parts.  
6. Do not expose power tools to rain or wet condi-  
tions. Water entering a power tool will increase the  
risk of electric shock.  
15. If devices are provided for the connection of  
dust extraction and collection facilities, ensure  
these are connected and properly used. Use of  
these devices can reduce dust-related hazards.  
7. Do not abuse the cord. Never use the cord for  
carrying, pulling or unplugging the power tool.  
Keep cord away from heat, oil, sharp edges or  
moving parts. Damaged or entangled cords  
increase the risk of electric shock.  
Power tool use and care  
16. Do not force the power tool. Use the correct  
power tool for your application. The correct  
power tool will do the job better and safer at the rate  
for which it was designed.  
8. When operating a power tool outdoors, use an  
extension cord suitable for outdoor use. Use of a  
cord suitable for outdoor use reduces the risk of  
electric shock.  
17. Do not use the power tool if the switch does not  
turn it on and off. Any power tool that cannot be  
controlled with the switch is dangerous and must be  
repaired.  
Personal safety  
9. Stay alert, watch what you are doing and use  
common sense when operating a power tool. Do  
not use a power tool while you are tired or under  
the influence of drugs, alcohol or medication. A  
moment of inattention while operating power tools  
may result in serious personal injury.  
18. Disconnect the plug from the power source and/  
or the battery pack from the power tool before  
making any adjustments, changing accessories,  
or storing power tools. Such preventive safety  
measures reduce the risk of starting the power tool  
accidentally.  
3
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19. Store idle power tools out of the reach of chil-  
dren and do not allow persons unfamiliar with  
the power tool or these instructions to operate  
the power tool. Power tools are dangerous in the  
hands of untrained users.  
the manner intended for the particular type of  
power tool, taking into account the working con-  
ditions and the work to be performed. Use of the  
power tool for operations different from those  
intended could result in a hazardous situation.  
20. Maintain power tools. Check for misalignment or  
binding of moving parts, breakage of parts and  
any other condition that may affect the power  
tools operation. If damaged, have the power tool  
repaired before use. Many accidents are caused  
by poorly maintained power tools.  
Service  
23. Have your power tool serviced by a qualified  
repair person using only identical replacement  
parts. This will ensure that the safety of the power  
tool is maintained.  
24. Follow instruction for lubricating and changing  
21. Keep cutting tools sharp and clean. Properly  
maintained cutting tools with sharp cutting edges  
are less likely to bind and are easier to control.  
accessories.  
25. Keep handles dry, clean and free from oil and  
grease.  
22. Use the power tool, accessories and tool bits  
etc. in accordance with these instructions and in  
ADDITIONAL SAFETY RULES FOR TOOL  
ENB011-2  
1. Hold the tool firmly.  
6. Do not leave the tool running. Operate the tool  
only when hand-held.  
7. Always be sure you have a firm footing. Be sure  
no one is below when using the tool in high  
locations.  
8. Do not touch the blade or the workpiece immedi-  
ately after operation; they may be extremely hot  
and could burn your skin.  
9. Avoid cutting electrical wires. It can cause seri-  
ous accident by electric shock.  
2. Secure the workpiece firmly.  
3. Keep hands away from moving parts.  
4. Edges and chips of the workpiece are sharp.  
Wear gloves. It is also recommended that you  
put on thickly bottomed shoes to prevent injury.  
5. Do not put the tool on the chips of the work-  
piece. Otherwise it can cause damage and trou-  
ble on the tool.  
SAVE THESE INSTRUCTIONS  
4
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FUNCTIONAL  
DESCRIPTION  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
adjusting or checking function on the tool.  
Switch action  
CAUTION:  
Before plugging in the tool, always check to see that the switch lever  
(paddle switch) actuates properly and returns to the “OFF’’ position when  
released.  
004671  
For tools with pivot type lock-off lever  
CAUTION:  
1
The switch lever does not actuate when the lock-off lever is in the LOCK  
position. Do not try to actuate the switch lever when the lock-off lever is  
in the LOCK position.  
When not operating the tool, keep the lock-off lever in the LOCK position.  
To prevent the switch from being accidentally actuated, a lock-off lever is pro-  
vided. To start the tool, turn the lock-off lever to the FREE position and then  
squeeze the switch lever. Release the switch lever to stop.  
2
1. Lock-off lever in the FREE  
position  
2. Switch lever (Paddle switch)  
004672  
1
1. Lock-off lever in the LOCK  
position  
004673  
For tools with slide type lock-off lever  
To prevent the switch from being accidentally actuated, a lock-off lever is pro-  
vided. To start the tool, slide the lock-off lever in the direction of the arrow and  
squeeze the switch lever. Release the switch lever to stop.  
1
2
1. Lock-off lever  
2. Switch lever  
5
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004674  
Permissible shearing thickness  
The groove on the yoke serves as a thickness gauge for shearing mild or  
stainless steel plate. If the material fits within the groove, it is shearable.  
The thickness of materials to be sheared depends upon the type (strength) of  
the material. The maximum shearing thickness is indicated in the table below  
in terms of various materials. Attempting to shear materials thicker than indi-  
cated will result in tool breakdown and/or possible injury. Keep within the thick-  
1
2
ness shown in the table.  
006425  
Tensile Strength  
(N/mm2)  
Max. cutting thickness  
(mm)  
Material  
1. Gauge for stainless:  
Mild steel (A)  
Hard steel (B)  
Stainless steel  
Aluminum plate  
400  
600  
800  
200  
1.6 (16 ga)  
1.2 (18 ga)  
0.8 (22 ga)  
2.5 (13 ga)  
1.2 mm (3/64)  
2. Gauge for mild steel:  
1.6 mm (1/16)  
ASSEMBLY  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
carrying out any work on the tool.  
Blade inspection  
Before using the tool, check the blades for wear. Dull, worn blades will result in  
poor shearing action, and the service life of the tool will be shortened.  
Rotating or replacing blades  
Both the upper and lower blades have four cutting edges on each side (the  
front and back). When the cutting edge becomes dull, rotate both the upper  
and the lower blades 90° to expose new cutting edges.  
004678  
When all eight edges are dull on both the upper and lower blades, replace  
both blades with new ones. Each time blades are rotated or replaced, proceed  
as follows.  
1
2
Remove the blade securing bolts with the hex wrench provided and then rotate  
or replace the blades.  
3
5
4
1. Lower blade  
2. Loosen  
3. Upper blade  
4. Upper blade securing bolt  
5. Hex wrench  
6
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004680  
Some tools have one or more thin washers between the upper blade and the  
blade holder. Be sure to use the same number of thin washers when reassem-  
bling.  
1
NOTE:  
No thin washers are used for the lower blade.  
2
3
4
1. Thin washers  
2. Blade holder  
3. Upper blade  
4. Upper blade securing bolt  
004681  
Install the upper blade and tighten the upper blade securing bolt with the hex  
wrench. Press up on the upper blade while tightening it.  
1
2
3
1. Tighten  
2. Upper blade securing bolt  
3. Upper blade  
004683  
After securing the upper blade, be sure that there is no gap left between the  
upper blade and the bevelled surface of the blade holder.  
1
4
2
3
1. Blade holder  
2. Upper blade securing bolt  
3. Upper blade  
4. No gap allowed  
7
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004686  
When installing the lower blade onto the yoke, the lower blade should be  
pressed against the yoke so as to be contacting the bevelled portions A and B  
of the yoke and the tip C of the lower blade positioning screw while you tighten  
the lower blade securing bolt. There must be no clearance between A, B and  
C during installation.  
2
3
1
NOTE:  
The lower blade positioning screw is factory-assembled. Do not tamper  
with it.  
1. Lower blade  
2. Tighten  
3. Yoke  
004687  
1
3
A
B
C
2
1. Yoke  
2. Lower blade positioning screw  
3. Lower blade  
OPERATION  
004699  
Holding material  
The materials for cutting should be fastened to the workbench by means of  
workholders.  
1
1. Workholder  
004701  
Shearing method  
Keep the shear moving parallel with the material.  
8
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004703  
Maximum cutting width  
Stay within the specified maximum cutting width (A): Case of length 1,800 mm.  
006430  
Mild steel (thickness)  
Max. cutting width (A)  
1.6 mm  
100 mm  
Under 1.2 mm  
No limit  
A
1800 mm  
(70-7/8)  
Stainless (thickness)  
Max. cutting width (A)  
1.2 mm  
80 mm  
Under 1.0 mm  
No limit  
1
1. Cutting line  
Minimum cutting radius  
Minimum cutting radius is 30 mm when cutting 1.0 mm mild steel.  
MAINTENANCE  
CAUTION:  
Always be sure that the tool is switched off and unplugged before  
attempting to perform inspection or maintenance.  
001145  
Replacing carbon brushes  
Remove and check the carbon brushes regularly. Replace when they wear  
down to the limit mark. Keep the carbon brushes clean and free to slip in the  
holders. Both carbon brushes should be replaced at the same time. Use only  
identical carbon brushes.  
1
1. Limit mark  
004705  
Use a screwdriver to remove the brush holder caps. Take out the worn carbon  
brushes, insert the new ones and secure the brush holder caps.  
To maintain product SAFETY and RELIABILITY, repairs, any other mainte-  
nance or adjustment should be performed by Makita Authorized Service Cent-  
ers, always using Makita replacement parts.  
1
2
1. Screwdriver  
2. Brush holder cap  
ACCESSORIES  
CAUTION:  
These accessories or attachments are recommended for use with your Makita tool specified in this manual. The  
use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or  
attachment for its stated purpose.  
If you need any assistance for more details regarding these accessories, ask your local Makita service center.  
Blades Hex wrench  
9
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Memo  
10  
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Memo  
11  
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Makita Corporation Anjo, Aichi, Japan  
883248B223  
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