Operator’s Manual
Snow Thrower
Models
614E, 644E, 664G
Model 664 Shown
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.
770-10045H
FORM NO.
(6/2003)
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SECTION 1: IMPORTANT SAFE OPERATION PRACTICES
This symbol points out important safety instructions, which if not followed, could endanger the personal
safety and/or property of yourself and others. Read and follow all instructions in this manual before
attempting to operate this machine. Failure to comply with these instructions may result in personal
injury. When you see this symbol—heed its warning.
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components
contain or emit chemicals known to the State of California to cause cancer, birth defects or
other reproductive harm.
DANGER: This machine was built to be operated according to the rules for safe operation in this
manual. As with any type of power equipment, carelessness or error on the part of the operator can
result in serious injury. This machine is capable of amputating hands and feet and throwing objects.
Failure to observe the following safety instructions could result in serious injury or death.
7. Never attempt to make any adjustments while engine is
running, except where specifically recommended in the
1. Read, understand, and follow all instructions on the
operator’s manual.
TRAINING
machine and in the manual(s) before attempting to
8. Let engine and machine adjust to outdoor temperature
assemble and operate. Keep this manual in a safe place
before starting to clear snow.
for future and regular reference and for ordering
replacement parts.
9. To avoid personal injury or property damage use extreme
care in handling gasoline. Gasoline is extremely
2. Be familiar with all controls and their proper operation.
flammable and the vapors are explosive. Serious
Know how to stop the machine and disengage them
personal injury can occur when gasoline is spilled on
quickly.
yourself or your clothes, which can ignite. Wash your skin
3. Never allow children under 14 years old to operate this
and change clothes immediately.
machine. Children 14 years old and over should read and
a. Use only an approved gasoline container.
understand the operation instructions and safety rules in
b. Extinguish all cigarettes, cigars, pipes and other
this manual and should be trained and supervised by a
sources of ignition.
parent.
c. Never fuel machine indoors.
4. Never allow adults to operate this machine without
d. Never remove gas cap or add fuel while the
proper instruction.
engine is hot or running.
5. Thrown objects can cause serious personal injury. Plan
e. Allow engine to cool at least two minutes before
your snow-throwing pattern to avoid discharge of material
refueling.
toward roads, bystanders and the like.
f. Never over fill fuel tank. Fill tank to no more than
6. Keep bystanders, helpers, pets and children at least 75
½ inch below bottom of filler neck to provide space
feet from the machine while it is in operation. Stop
for fuel expansion.
machine if anyone enters the area.
g. Replace gasoline cap and tighten securely.
7. Exercise caution to avoid slipping or falling, especially
h. If gasoline is spilled, wipe it off the engine and
when operating in reverse.
equipment. Move machine to another area. Wait 5
minutes before starting the engine.
i. Never store the machine or fuel container inside
PREPARATION
where there is an open flame, spark or pilot light
1. Thoroughly inspect the area where the equipment is to
(e.g. furnace, water heater, space heater, clothes
be used. Remove all doormats, newspapers, sleds,
dryer etc.).
boards, wires and other foreign objects, which could be
j. Allow machine to cool at least 5 minutes before
tripped over or thrown by the auger/impeller.
storing.
2. Always wear safety glasses or eye shields during
operation and while performing an adjustment or repair to
OPERATION
protect your eyes. Thrown objects which ricochet can
cause serious injury to the eyes.
1. Do not put hands or feet near rotating parts, in the auger/
3. Do not operate without wearing adequate winter outer
impeller housing or discharge chute. Contact with the
garments. Do not wear jewelry, long scarves or other
rotating parts can amputate hands and feet.
loose clothing, which could become entangled in moving
2. The auger/impeller clutch lever is a safety device. Never
parts. Wear footwear which will improve footing on
bypass its operation. Doing so makes the machine
slippery surfaces.
4. Use a grounded three-wire extension cord and
unsafe and may cause personal injury.
3. The clutch levers must operate easily in both directions
and automatically return to the disengaged position when
5. Adjust collector housing height to clear gravel or crushed
released.
4. Never operate with a missing or damaged discharge
6. Disengage all clutch levers before starting the engine.
chute. Keep all safety devices in place and working.
receptacle for all units with electric start engines.
rock surfaces.
3
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5. Never run an engine indoors or in a poorly ventilated
area. Engine exhaust contains carbon monoxide, an
odorless and deadly gas.
6. Do not operate machine while under the influence of
alcohol or drugs.
MAINTENANCE AND STORAGE
1. Never tamper with safety devices. Check their proper
operation regularly. Refer to the maintenance and
adjustment sections of this manual.
2. Before cleaning, repairing, or inspecting machine
disengage all clutch levers and stop engine. Wait until the
auger/impeller come to a complete stop. Disconnect the
spark plug wire and ground against the engine to prevent
unintended starting.
3. Check bolts and screws for proper tightness at frequent
intervals to keep the machine in safe working condition.
Also, visually inspect machine for any damage.
4. Do not change the engine governor setting or over-speed
the engine. The governor controls the maximum safe
operating speed of the engine.
5. Snow thrower shave plates and skid shoes are subject to
wear and damage. For your safety protection, frequently
check all components and replace with original
equipment manufacturer’s (OEM) parts only. “Use of
parts which do not meet the original equipment
specifications may lead to improper performance and
compromise safety!”
6. Check clutch controls periodically to verify they engage
and disengage properly and adjust, if necessary. Refer to
the adjustment section in this operator’s manual for
instructions.
7. Maintain or replace safety and instruction labels, as
necessary.
8. Observe proper disposal laws and regulations for gas,
oil, etc. to protect the environment.
9. Prior to storing, run machine a few minutes to clear snow
from machine and prevent freeze up of auger/impeller.
10. Never store the machine or fuel container inside where
there is an open flame, spark or pilot light such as a water
heater, furnace, clothes dryer etc.
7. Muffler and engine become hot and can cause a burn. Do
not touch.
8. Exercise extreme caution when operating on or crossing
gravel surfaces. Stay alert for hidden hazards or traffic.
9. Exercise caution when changing direction and while
operating on slopes.
10. Plan your snow-throwing pattern to avoid discharge
towards windows, walls, cars etc. Thus, avoiding
possible property damage or personal injury caused by a
ricochet.
11. Never direct discharge at children, bystanders and pets
or allow anyone in front of the machine.
12. Do not overload machine capacity by attempting to clear
snow at too fast of a rate.
13. Never operate this machine without good visibility or
light. Always be sure of your footing and keep a firm hold
on the handles. Walk, never run.
14. Disengage power to the auger/impeller when
transporting or not in use.
15. Never operate machine at high transport speeds on
slippery surfaces. Look down and behind and use care
when in reverse.
16. If the machine should start to vibrate abnormally, stop the
engine, disconnect the spark plug wire and ground it
against the engine. Inspect thoroughly for damage.
Repair any damage before starting and operating.
17. Disengage all clutch levers and stop engine before you
leave the operating position (behind the handles). Wait
until the auger/impeller comes to a complete stop before
unclogging the discharge chute, making any
adjustments, or inspections.
18. Never put your hand in the discharge or collector
openings. Always use the clean-out tool provided to
unclog the discharge opening. Do not unclog discharge
chute while engine is running.Shut off engine and remain
behind handles until all moving parts have stopped
before unclogging.
11. Always refer to the operator’s manual for proper
instructions on off-season storage.
WARNING: Restrict the use of this
power machine to persons who read,
understand and follow the warnings and
instructions in this manual and on the
machine.
19. Use only attachments and accessories approved by the
manufacturer (e.g. wheel weights, tire chains, cabs etc.).
20. If situations occur which are not covered in this manual,
use care and good judgment. Contact your dealer or
telephone 1-800-800-7310 for assistance and the name
of your nearest servicing dealer.
4
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SECTION 2: CONTENTS OF HARDWARE PACK (Boxed Units)
Lay out the hardware according to the illustration below for identification purposes. Part numbers are shown in
parentheses. (Hardware pack may contain extra items which are not used on your unit.)
ATTACHING HANDLE PANEL
ATTACHING THE HANDLES
Lock Washers
736-0119 (4)
A
B
Carriage Bolts
710-0262 (4)
Hex Bolts
710-04039 (2)
Saddle
784-5599 (2)
Hex Bolts
710-1880 (2)
Hex Patch Nuts
712-3068 (4)
Cupped Washers
736-0242 (4)
ATTACHING CLUTCH CABLES AND SHIFT ROD
D (Z Fittings might be already attached to cables)
Jam Nuts
712-0121 (2)
ATTACHING CHUTE DIRECTIONAL CONTROL
C
F
Z Cable Fitting
746-0778 (2)
Eyebolt (Not Shown)
747-0697
Cupped Washer
736-0242
Hex Nuts
712-3010 (2)
Ferrule
711-0677
Hairpin Clips
714-0104 (2)
Flat Washers
736-0275 (2)
Flat Washer
736-0185 (1)
ATTACHING THE CLUTCH GRIPS
E
Hex Screws
710-3103 (2)
Hairpin Clip
714-0104
ATTACHING CHUTE ASSEMBLY
Spacer
750-1032 (2)
Hex Lock Nuts
712-3027 (6)
Hex Bolts
710-3015 (2)
Hex Top L-Nut
712-0429 (2)
REPLACEMENT SHEAR BOLTS
G
Hex Lock Nuts
712-0429 (2)
Hex Bolts
710-0890A (2)
Chute Flange Keepers
731-0851A (3) Not Shown
NOTE: The augers are secured to the spiral shaft with two shear bolts and hex lock nuts. If you hit a hard foreign
object or an ice jam, the snow thrower is designed so that the bolts may shear. Two replacement shear bolts and
nuts are provided for your convenience. Store in a safe place until needed.
5
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SECTION 3: ASSEMBLING YOUR SNOW THROWER
NOTE: References to right or left side of the snow
Loose Parts (Boxed Unit)
thrower are determined from behind the unit in the
operating position. The “operator’s position” is defined
as standing directly behind the snow thrower, facing the
handle panel.
Listed below are the parts of the snow thrower packed
loose with units that come unassembled in a box. You
will need these parts along with hardware from the
hardware pack, illustrated on the previous page, to
assemble the equipment. Identify the loose parts before
proceeding to assemble. See Figure 2.
NOTE: This Operator’s Manual covers several
models. Snow thrower features vary by model. Not
all features discussed in this manual are applicable to
all snow thrower models.
Handle Panel
Unpacking
Auger Control
Crate
Traction Control
•
Remove screws from the top sides and ends of the
shipping crate.
•
Set panel aside to avoid tire punctures or personal
injury.
•
•
Remove and discard plastic bag that covers unit.
Remove any loose parts included with unit (i.e.,
Operator’s Manual, etc).
Right Clutch
Bracket
•
Roll unit out of crate.
Left Clutch
Bracket
Box
•
Remove staples or break glue on top flaps of the
carton. Remove any loose parts included with unit
(i.e., operator’s manual, etc.).
Cut corners of the carton and lay ends down flat.
Remove packing material.
Shift Rod
Left Handle
•
•
Right Handle
Roll unit out of carton. Check carton thoroughly for
loose parts before discarding.
Loose Parts (Crated Unit)
The augers are secured to the auger shaft with two
shear bolts and hex lock nuts. If you hit a foreign object
or ice jam, the snow thrower is designed so that the
bolts may shear. Two replacement shear bolts and nuts
are provided for your convenience. Store in a safe
place until needed. See Figure 1.
Extension
Cord*
Chute Directional
Control
Discharge
Chute
Figure 2
ATTACHING CLUTCH CABLES
A
Jam Nuts
712-0121 (2)
1. Right and Left Handles
2. Handle Panel Assembly
3. Right and Left Clutch Brackets
4. Discharge Chute
Z Cable Fitting
746-0778 (2)
5. Chute Directional Control
6. Shift Rod
7. Auger and Traction Controls
8. Hardware Pack
9. Extension Cord (*If Equipped)
REPLACEMENT SHEAR BOLTS
B
Hex Bolts
710-0890A (2)
Hex Lock
Nuts
712-0429 (2)
NOTE: Follow the Hardware Pack/Loose Parts above
and Assembly instructions below per the packaging of
your unit. So if your unit came in a box, proceed to page
7, Assembly (Boxed Unit) and use Hardware Pack on
page 5 and Loose Parts in Figure 2.
Figure 1
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If the connector is not properly assembled, the shift rod
will pivot and you will not be able to change speeds or
change directions.
Assembly (Crated Unit)
WARNING: Disconnect the spark plug
wire and ground it against the engine to
prevent unintended starting.
•
Insert “Z” fitting (Hardware A) into hole in clutch
grips. See Figure 11. Two extra jam nuts are
included in the hardware pack in the event either
are lost during shipping.
•
Remove the lower two plastic wing knobs, cupped
washers and carriage bolt (eyebolt on the left side)
from the lower handle. See Figure 3.
•
•
Thread the jam nuts all the way up each of the “Z”
fittings, toward the handle panel. See Figure 11.
Make certain all cables are in the grooves of the
cable roller guides located in the lower rear of the
unit, one on each side. See Figure 9.
•
Thread the coupling end of the cable onto the
threaded portion of the “Z” fitting until the rubber
bumper (located on the underside of the clutch
lever) only lightly contacts the upper handle.
Eyebolt
IMPORTANT: The cable should have very little slack, but
should NOT be tight. An overtightened cable may
prohibit the auger and drive from disengaging.
Wing Knobs,
Washers
and Bolts
WARNING: Over-tightening the cable may
prohibit the auger and drive from disengaging
and compromise the safety of the snow
thrower. Do NOT overtighten the cable.
Figure 3
•
•
•
Raise the upper handle assembly until it locks over
the lower handle. See Figure 4.
•
Once properly adjusted, tighten the jam nut against
the coupling end of the cable to lock it in position.
Observe the lower rear area of the snow thrower to
be sure both cables are aligned with roller guides.
Secure the upper handle and lower handle with the
two plastic wing knobs, cupped washers and
carriage bolt (eyebolt on the left side) previously
removed. See Figure 4.
Refer to Auger Control Test on page 13 prior to operating
your snow thrower. Read and follow all instructions
carefully and perform all adjustments to verify your
snow thrower is operating safely and properly.
Assembly (Boxed Unit)
WARNING: Disconnect the spark plug
wire and ground it against the engine to
prevent unintended starting.
Hairpin Clip
Hex
Nut
Connector
Attaching Handle Assembly
(Hardware Group A, B and E)
•
Attach left handle and left clutch bracket to handle
panel with two carriage bolts, cupped washers and
hex patch nuts. (Be sure the bend in the grip
bracket is towards the center of the handle panel.)
Do not tighten at this time. See Figure 5.
Eyebolt
Wing Knobs
Handle Panel
Left Bracket
Figure 4
•
•
Adjust the eyebolt on the chute directional control
so the rod does not come into contact with the
engine by moving the hex nut against the handle (if
necessary). Retighten the wing nut to secure the
directional control in this position.
Slide the connector down over the end of the lower
shift rod. See Figure 4. Tap the connector until it
locks on the lower shift rod.
Carriage
Bolts
Hex
Patch Nuts
Left Handle
(Curves in)
Bell Washers
Figure 5
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•
Insert curved end of the Z fitting into the top hole in
the triangular metal tab on the auger control grip.
The triangular metal tab on the auger control grip
must face the center of the handle panel.
See Figure 6.
•
•
Repeat process for the right side Traction Control.
Lay handle assembly behind snow thrower.
See Figure 8.
Insert a hex bolt 3/4” long and lock washer through
the lower hole on the bottom of the handle.
Hold the handle assembly up to the bottom of the
snow thrower frame and thread the hex bolt into the
lower hole in snow thrower frame. Do not tighten at
this time. See Figure 8.
•
•
Triangle
Metal Tab
Auger Control
•
Repeat process on the other side.
“Z” Fitting
Handle Panel &
Handles
Triangle
Metal Tab
Hex Bolt &
Lock Washer
Figure 8
•
•
Raise the handle assembly into the upright position
and align the top holes in the handle with the top
holes in the snow thrower frame. Attach using 2”
long hex bolts, lock washers and saddles. (Curve in
saddle must match the curve in the handle.)
See Figure 9.
Figure 6
Tighten all hardware used to attach the handle
assembly to the snow thrower frame.
•
•
Place the auger control on top of the left handle.
The triangular metal tab must be between the
handle and the bracket. See Figure 6.
2” Hex Bolt
Saddle
Secure with hex bolt, spacer, and hex lock nut. Do
not overtighten this bolt as it will prevent the control
from automatically returning to their upright
position. See Figure 7.
Auger Control
Cable Roller
Left Bracket
Left
Handle
Guide
Lock
3/4” Hex
Bolt
Washers
Hex Lock Nut
Spacer
Figure 9
Hex Bolt
Attaching Shift Rod (Hardware D)
•
Place the shift lever in the fastest forward speed
position.
•
Rotate the shift arm assembly counter clockwise as
far as it will go. Insert the shift rod through the shift
arm assembly. When installed, the shift arm
assembly should point left. Secure with flat washer
and hairpin clip. See Figure 10.
Handle Panel
“Z” Fitting
Figure 7
8
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•
Thread the ferrule onto the shift rod, up or down the
shift rod and align with the far hole on the narrow
side of the shift lever assembly behind the handle
panel. See Figure 10.
•
•
Make certain all cables are in the grooves of the
cable roller guides in the lower rear of the unit, one
on each side. Refer to Figure 9.
Thread the coupling end of the cable onto the
threaded portion of the Z fitting until the rubber
bumper (located on the underside of the clutch
lever) only lightly contacts the upper handle.
Traction
Drive
Clutch
Shift Lever
Auger
Drive
Flat
Washer
Ferrule
Clutch
IMPORTANT: The cable should have very little slack, but
should NOT be tight. An overtightened cable may
prohibit the auger and drive from disengaging.
WARNING: Over-tightening the cable
may prohibit the auger and drive from
disengaging and compromise the safety
of the snow thrower. Do NOT overtighten
the cable.
Hairpin
Clip
Shift Rod
•
Once properly adjusted, tighten the jam nut against
the coupling end of the cable to lock it in position.
Flat
Washer
Hairpin
Clip
Shift Arm
Assembly
NOTE: Refer to Auger Control Test in the Operation
Section prior to operating your snow thrower. Read and
follow all instructions carefully and perform all
adjustments to verify your snow thrower is operating
safely and properly.
Figure 10
Attaching the Chute Assembly (Hardware F)
•
Secure the ferrule to the shift arm assembly with
the flat washer and hairpin clip.
•
•
•
Place chute assembly over chute opening, with the
opening in the chute assembly facing the front of
the unit.
Attaching Clutch Cables
(Boxed & Crated Unit) (Hardware D)
Z fittings with jam nuts might be already inserted in
each control lever (on the handle panel) at the factory.
To attach the cables to the Z fittings, proceed as
follows:
Place chute flange keepers beneath lip of chute
assembly, with the flat side of chute flange keeper
facing downward. See Figure 12.
Insert hex bolt up through chute flange keeper and
chute assembly and secure with hex lock nut. After
assembling all three chute flange keepers, tighten
all nuts and bolts securely. Do not overtighten.
NOTE: Two extra jam nuts are included in the
hardware pack in the event either are lost during
shipping.
Chute Assembly
Hex Bolt
•
If Z fittings are not already attached, insert “Z”
fitting into hole in clutch grips. See Figure 11.
Z Fitting
Jam Nut
Hex Lock Nut
Chute Flange
Keeper
Cable Should
Be Straight
Figure 12
NOTE: Lock nuts cannot be threaded onto a bolt by
hand. Tighten with two 7/16” or adjustable wrenches.
Figure 11
•
If Z fittings are already attached, thread the jam
nuts all the way up each of the Z fittings, toward the
handle panel.
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Attaching The Chute Directional Control
(Hardware C)
Carriage
Bolts
•
•
•
Thread one hex nut about halfway onto eye bolt on
the chute directional control.
Insert eye bolt through the hole provided in the left
handle. See Figure 13.
Secure with cupped washer (cupped side against
the handle) and other hex nut. Do not tighten until
after attaching the other end of the chute directional
control.
Hex Lock
Nuts
Lower Chute
Bracket
Hex Nut
Cupped
Washer
Chute
Directional
Control
Hairpin
Clip
Eye Bolt
Figure 13
Lower Chute
Bracket
Flat
Washer
•
To align the spiral on the chute directional control,
you may have to loosen the carriage bolts and hex
lock nuts securing lower chute bracket to the
extension on the left side of the chute assembly.
See Figure 14.
Figure 14
•
•
Insert the end of the control into the hole in the
plastic bushing in the lower chute bracket.
Place the flat washer on the end of the chute
directional control, and insert hairpin clip into hole in
the end of control. See Figure 14.
Adjust the chute bracket so that the spiral on the
chute directional control fully engages the teeth on
the chute assembly.
Lamp Wiring (If Equipped)
NOTE: A lamp is an optional feature of some model
snow throwers and is NOT standard equipment. On
models so equipped, a lamp will either be installed on
the dash panel at the factory OR packaged separately
as a Kit within the carton, depending on the model.
•
•
If so equipped, wrap the wire from the lamp down
the right handle until the wire can be plugged into
the alternator lead wire located under the fuel tank.
See Figure 15. Lamp wire must not interfere with
any controls or cables.
•
•
Tighten nuts on the lower chute bracket securely.
Tighten hex nut on the eye bolt on chute directional
control.
Lower Handle
Alternator
Lead
Lamp
Wire
Figure 15
10
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If your unit is not equipped with a lamp, contact
Customer Support as instructed on page 2 for
information regarding price and availability.
Snow Thrower Model
Electric Light Kit
664G
OEM-390-255
NOTE: The engines found on snow thrower models
614E and S644E are NOT equipped with an alternator
and therefore can NOT accept a light kit.
SECTION 4: KNOW YOUR SNOW THROWER
Traction
Drive Clutch
Shift
Lever
Auger
Drive Clutch
Clean-out
Tool
Gas Cap
Chute Directional
Control
Discharge
Chute
Oil Fill
Primer
Choke
Recoil
Starter
Handle
Closed
Ignition
Throttle
Key
Skid Shoe
Model 664 Shown
Control
Open
Auger
Fuel Shut-Off Valve
Figure 16
WARNING: Read, understand, and
follow all instructions and warnings on
the machine and in this manual before
operating.
NOTE: Model 614, 644, and 664, has five forward
positions and two reverse.
Auger Drive Control
The auger drive control is located on the left handle.
Squeeze the control grip to engage the augers.
Release to stop the snow throwing action.
Shift Lever
The shift lever is located in the center of the handle
panel. The shift lever may be moved into one of six
positions. Run engine with throttle in the fast positions
Run engine with throttle in the fast position. Use the
shift lever to determine ground speed. See Figure 16.
Traction Control
The traction control is located on the right handle.
Squeeze the traction control grip to engage the wheel
drive. Release to stop.
Forward
There are five forward speeds on this snow thrower.
Position one (1) is the slowest and position five (5) is
the fastest.
Chute Directional Control
The chute directional control is located on left side of
the snow thrower. See Figure 16.
Reverse
Your snow thrower has two reverse (R) speeds. R1 is
the slower, while R2 is the faster of the two.
To change the direction in which snow is thrown, turn
chute directional control as follows:
11
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•
•
Crank clockwise to discharge to the left.
Crank counterclockwise to discharge to the right.
Safety Ignition Key
The safety ignition key must be fully inserted in the
switch before the unit will start. Remove the ignition key
when the snow thrower is not in use. See Figure 16.
Clean-Out Tool
IMPORTANT: Do NOT “turn” the ignition key in an
attempt to start the engine. Doing so may cause it to
break.
WARNING: Never use your hand to
clear a clogged discharged chute. Shut off
engine and remain behind handles until
all moving parts have stopped before
unclogging.
Fuel Shut-off Valve (Optional Equipment)
On models so equipped, the fuel shut-off valve, located
under fuel tank, controls fuel-flow from the gas tank.
See Figure 16.
The chute clean-out tool is fastened to the top of the
auger housing with a mounting clip. The tool is
designed to clear a clogged discharged chute. Refer to
Operating Your Snow Thrower section for more detailed
information regarding the chute clean-out tool. See
Figure 16.
Skid Shoe
The position of the skid shoe is determined by the
condition of the ground from where snow has to be
removed. See Figure 16.
NOTE: This item is fastened with a cable tie to the
rear of the Auger Housing at the factory. Cut the cable
tie before operating the snow thrower.
Throttle Control
The throttle control is located on the engine. It regulates
the speed of the engine and will shut off the engine
when pushed down completely. See Figure 16.
SECTION 5: OPERATING YOUR SNOW THROWER
Before Starting
To Start Engine
•
Attach spark plug wire to spark plug. Make certain
the metal loop on the end of the spark plug wire
(inside the boot) is fastened securely over the metal
tip on the spark plug.
WARNING: Read, understand, and
follow all instructions and warnings on the
machine and in this manual before
operating.
•
•
•
Make certain the fuel shut-off valve, if so equipped,
is in the OPEN (vertical) position.
Gas & Oil Fill-Up
Make certain the auger and drive clutch levers are
in the disengaged (released) position.
Move throttle control up to FAST position. Insert
ignition key into slot. Make sure it snaps into place.
Do not turn key.
Service the engine with gasoline and oil as
instructed in the separate engine manual packed with
your snow thrower. Read instructions carefully.
WARNING: Use extreme care when
handling gasoline. Gasoline is extremely
flammable and the vapors are explosive.
Never fuel the machine indoors or while the
engine is hot or running. Extinguish
cigarettes, cigars, pipes and other sources
of ignition.
NOTE: Engine will not start unless ignition key is
inserted into ignition slot in carburetor cover.
Electric Starter (If Equipped)
•
Determine that your house wiring is a three-wire
grounded system. Ask a licensed electrician if you
are not certain.
•
A plastic cup is provided inside the fuel fill opening
on the fuel tank. Remove and discard this cup
before filling up the tank. Use the separate fuel tank
cap to close after fill-up.
•
If your house wiring system is not a three-wire
grounded system, do not use this electric starter
under any conditions.
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WARNING: The optional electric starter
is equipped with a grounded three-wire
power cord and plug, and is designed to
operate on 120 volt AC household current.
It must be used with a properly grounded
three-prong receptacle at all times to avoid
the possibility of electric shock. Follow all
instructions carefully prior to operating
the electric starter.
To Stop Engine
•
Run engine for a few minutes before stopping to
help dry off any moisture on the engine.
To help prevent possible freeze-up of starter,
proceed as follows:
•
Electric Starter (If equipped)
•
Connect power cord to switch box on engine, then
to 120 volt AC receptacle. With the engine running,
push starter button and spin the starter for several
seconds. The unusual sound made by spinning the
starter will not harm engine or starter. Disconnect
the power cord from receptacle first, and then from
switch box.
•
If your home electrical system is grounded, but
a three-hole receptacle is not available, one should
be installed by a licensed electrician before using
the electric starter.
If you have a grounded three-prong receptacle,
proceed as follows:
Recoil Starter
•
With engine running, pull starter rope with a rapid,
•
•
•
Connect power cord to switch box on engine. Plug
the other end of power cord into a three-prong 120-
volt, grounded, AC receptacle.
Rotate choke knob to FULL choke position (cold
engine start). If engine is warm, place choke in OFF
position instead of FULL.
Push primer button two or three times for cold
engine start, making sure to cover vent hole in
primer button when pushing. DO NOT use primer to
restart a warm engine after a short shutdown.
Push starter button to start engine.
When engine starts, release starter button and
move choke gradually to OFF. If engine falters,
move choke immediately to FULL and then
gradually to OFF.
continuous full arm stroke three or four times.
Pulling the starter rope will produce a loud clattering
sound, which is not harmful to engine or starter.
To stop engine, move throttle control to “stop” or
“off” position.
•
•
•
Remove the ignition key. Do not turn key.
Disconnect the spark plug wire from the spark plug
to prevent accidental starting while equipment is
unattended.
•
•
NOTE: Do not lose ignition key. Keep it in a safe
place. Engine will not start without the ignition key.
•
Wipe all snow and moisture from the carburetor
cover in the area of the control levers. Also, move
control levers back and forth several times.
•
When disconnecting the power cord, always unplug
from the three-prong receptacle first and then from
the snow thrower.
To Engage Drive
•
With the engine running near top speed, move shift
lever into one of the five FORWARD positions or
two REVERSE positions. Select a speed
appropriate for the snow conditions that exist. Use
the slower speeds until you are familiar with the
operation of the snow thrower.
Recoil Starter
•
Rotate choke knob to FULL choke position (cold
engine start). If engine is warm, place choke in OFF
position instead of FULL.
Push primer button two or three times for cold
engine start. DO NOT use primer to restart a warm
engine after a short shutdown.
•
•
•
•
Squeeze the auger control grip and the augers will
turn. Release it and the augers will stop.
Squeeze traction control grip and the snow thrower
will move. Release it and drive motion will stop.
NEVER move shift lever without releasing drive
clutch.
NOTE: Always cover vent hole in primer button when
pushing. Additional priming may be necessary for first
start if temperature is below 15 degrees Fahrenheit.
•
•
Grasp starter handle and pull rope out slowly, until
it pulls slightly harder. Let rope rewind slowly.
Pull starter handle rapidly. Do not allow handle to
snap back. Allow it to rewind slowly while keeping a
firm hold on the starter handle.
As engine warms up and begins to operate evenly,
rotate choke knob slowly to OFF position. If engine
falters, return to FULL choke, then slowly move to
OFF position.
To Engage Augers
•
To engage the augers and start throwing snow,
squeeze the auger control grip against the left
handle. Release to stop the augers.
•
Auger Control Test
IMPORTANT: Perform the following test before
operating your snow thrower for the first time and at the
start of each winter season.
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Check the adjustment of the auger control as follows:
WARNING: Never use your hands to clean
snow and ice from the discharge chute or
auger housing
•
When the auger control is released and in the
disengaged “up” position, the cable should have
very little slack. It should NOT be tight.
•
•
Refasten the clean-out tool to the mounting clip on
the rear of the auger housing, reinsert the ignition
key and start the snow thrower’s engine.
While standing in the operator’s position (behind
the snow thrower), engage the auger clutch lever
for a few seconds to clear any remaining snow and
ice from the discharge chute.
•
In a well-ventilated area, start the snow thrower
engine as instructed earlier in this section under the
heading Starting Engine. Make sure the throttle is
set in the FAST position.
•
•
While standing in the operator’s position (behind
the snow thrower), engage the auger.
Allow the auger to remain engaged for
approximately ten (10) seconds before releasing
the auger control. Repeat this several times.
With the engine running in the FAST position and
the auger control lever in the disengaged “up”
position, walk to the front of the machine.
Confirm that the auger has completely stopped
rotating and shows NO signs of motion.
Drift Cutters (If Equipped)
Drift cutters should be used when operating the snow
thrower in heavy drift conditions.
•
•
On models so equipped, drift cutters are assembled to
the auger housing inverted. Remove the carriage bolts
by unthreading the hex nuts which secure them, and
reinstall the drift cutters in their proper position before
operating the snow thrower. See Figure 18.
IMPORTANT: If the auger shows ANY signs of rotating,
immediately return to the operator’s position and shut
off the engine. Wait for ALL moving parts to stop before
re-adjusting the auger control.
•
To readjust the control cable, loosen the hex jam
nut on the auger control cable “Z” fitting.
Rotate the coupling end of the cable
•
counterclockwise to provide more slack.
Retighten the hex jam nut. See Figure 17.
Repeat Auger Control Test to verify proper
adjustment has been achieved.
•
•
Drift
Cutter
Carriage Screws /
Hex Nuts
Z Fitting
Hex Nut
Figure 18
Cable Should
Be Straight
If your unit is not equipped with drift cutters, contact
Customer Support as instructed on page 2 for
information regarding price and availability.
Snow Thrower Model
Drift Cutter Kit
Figure 17
All models
OEM-390-679
Chute Clean-Out Tool
Tire Chains (If Equipped)
The chute clean-out tool is conveniently fastened to the
rear of the auger housing with a mounting clip. Should
snow and ice lodge itself in the discharge chute during
operation, proceed as follows to safely clean the chute
and chute opening:
Tire chains should be used whenever extra traction is
needed. If your unit is not equipped with tire chains,
contact Customer Support as instructed on page 2 for
information regarding price and availability.
•
Release both the Auger Control Lever and the
Traction/Auger Control Lock Lever
.
Operating Tips
•
•
Stop the engine by removing the ignition key.
Remove the clean-out tool from the clip which
secures it to the rear of the auger housing.
Use the shovel-shaped end of the clean-out tool to
dislodge and scoop any snow and ice which has
formed in and near the discharge chute.
NOTE: Allow the engine to warm up for a few minutes
as the engine will not develop full power until it reaches
operating temperature.
•
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•
•
Set the skid shoes 1/4” below the scraper bar for
normal usage. The skid shoes may be adjusted
upward for hard-packed snow. Adjust downward
when using on gravel or crushed rock.
Avoid possible starter freeze-up. Clean the snow
thrower thoroughly after each use.
WARNING: The muffler, engine, and their
surrounding areas become hot and can
cause a burn. Do not touch.
•
Discharge snow downwind whenever possible.
Slightly overlap each previous swath.
SECTION 6: MAKING ADJUSTMENTS
•
•
•
Tip the snow thrower so that it rests on the auger
housing. See Figure 19.
WARNING: Never attempt to make any
adjustments while the engine is running,
except where specified in operator’s
manual.
Remove the frame cover underneath the snow
thrower by removing six self-tapping screws.
When the traction control is released, there must be
clearance between the friction wheel and the drive
plate in all positions of the shift lever.
Tire Pressure (Pneumatic Tires)
•
The tires are overinflated for shipping purposes.
Before operating check tire pressure and reduce
pressure to between 15 psi and 20 psi.
Frame Cover
NOTE: If the tire pressure is not equal in both tires,
the unit may pull to one side or the other.
Traction Control and Shift Lever
•
To check the adjustment of the traction control
clutch and shift lever, proceed as follows:
With the engine off, move the shift lever all the way
forward to the highest speed. With the traction
control lever released, push the snow thrower
forward. The unit should roll forward. Then engage
the traction control grip. The wheels should stop
turning.
•
•
•
Now release the traction control grip and push the
unit again.
Move the shift lever back to the fast reverse
position then all the way forward again. There
should be no resistance in the shift lever, and the
wheels should keep turning.
Auger
Housing
•
•
•
If you have resistance when moving the shift lever
or the wheels stop when they should not, loosen
the jam nut on the traction control cable and
unthread the cable one turn.
If the wheels do not stop when you engage the
traction control clutch grip, loosen the jam nut on
the traction control cable and thread the cable in
one turn.
Figure 19
Recheck the adjustment and repeat as necessary.
Tighten the jam nut to secure the cable when
correct adjustment is reached.
WARNING: Drain the gasoline out of
snow thrower engine, place a piece of
plastic film under the gas cap to avoid
spillage before beginning the job.
To test further for correct adjustment, if necessary,
proceed as follows:
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•
With the traction control is engaged, the friction
wheel must contact the drive plate. See Figure 20.
•
Use a middle or lower position when the area to be
cleared is uneven.
Friction
Wheel
Gear Shaft
Carriage
Bolts
Hex Nuts
Drive
Plate
Gap
Skid
Shoes
Figure 21
Figure 20
WARNING: Do not operate this snow
thrower on gravel as loose gravel can be
easily picked up and thrown by the auger
causing injury to the operator and/or
damage to the snow thrower.
If adjustment is necessary:
•
•
•
Loosen the jam nut on the traction control cable
and thread the cable in or out as necessary.
Retighten the jam nut to secure the cable when
correct adjustment is reached.
•
•
Adjust skid shoes by loosening the four hex nuts
and carriage bolts. Move skid shoes to desired
position.
Make certain the entire bottom surface of skid shoe
is against the ground to avoid uneven wear on the
skid shoes. Retighten nuts and bolts securely.
Reassemble the frame cover.
NOTE: If you placed plastic under the gas cap earlier,
remove it now.
Chute Assembly
The distance snow is thrown can be adjusted by
changing the angle of the chute assembly. To do so,
stop the engine by removing the ignition key and loosen
the plastic wing knobs found on either side of the
discharge chute. Pivot the chute upward or downward
before re-tightening the wing knobs.
Carburetor
•
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude and load.
Refer to the separate engine manual, packed with
your unit, for carburetor adjustment information.
•
Auger Control
WARNING: If any adjustments need to
be made to the engine while the engine is
running (e.g. carburetor), keep clear of all
moving parts. Be careful of muffler, engine
and other surrounding heated surfaces.
Refer to Auger Control Test in the Operating Section to
adjust the auger control.
Skid Shoes
The space between the shave plate and the ground can
be adjusted. See Figure 21.
Adjusting Shift Rod
•
Remove the hairpin clip and flat washer from the
ferrule and remove the ferrule from the shift lever.
Place the shift lever in the fastest forward speed
position.
•
For close snow removal on a smooth surface, raise
skid shoes higher on the auger housing.
•
Push down on the shift arm assembly as far as it
will go. Thread the ferrule up or down the shift rod
and align it with the hole closest to the shift knob on
the narrow side of the shift lever assembly behind
the handle panel. Refer to Figure 10.
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One Wheel Driving
NOTE: Make certain to check for correct adjustment
of the shift rod as instructed in the Final Adjustments
section before operating the snow thrower.
•
On the right side of the unit, place click pin in the
outside axle hole only. Do not place pin through
wheel hub.This position gives power drive to the left
wheel only, making the unit easier to maneuver.
Drive Wheels
Both Wheels Driving
•
The wheels may be adjusted for two different
methods of operation. Follow the steps below for
adjustment. See Figure 22.
•
Rotate wheel assembly to align hole in the hub with
the inner hole on the axle shaft. Insert click pin in
the hole. Outer axle shaft hole should be visible.
Inside Hole
In Axle
IMPORTANT: NEVER operate the snow thrower with the
click pin inserted through both the RIM and the
OUTSIDE HOLE in the axle. Doing so can result in
serious damage to the drive system.
Click Pin In
Outside Hole
Figure 22
SECTION 7: MAINTAINING YOUR SNOW THROWER
Wheels
WARNING: Before lubricating, repair-
ing, or inspecting, disengage all clutch
levers and stop engine. Wait until all mov-
ing parts have come to a complete stop.
Disconnect spark plug wire and ground it
against the engine to prevent unintended
starting.
•
Oil or spray lubricant into bearings at wheels at
least once a season. Pull click pin, remove wheels,
clean and coat axles with a multipurpose
automotive grease. See Figure 23.
Click Pin
Lubrication
Engine
Refer to the separate engine manual packed with your
unit for all engine lubrication instructions.
Axle
WARNING: If any adjustments need to
be made to the engine while the engine is
running (e.g. carburetor), keep clear of all
moving parts. Be careful of muffler, engine
and other surrounding heated surfaces.
Figure 23
Chute Directional Control
•
The worm gear on the chute directional control
should be greased with multipurpose automotive
grease.
Gear Shaft
•
Lubricate the gear shaft with a good all-weather
multi-purpose light grease at least once a season or
after every 25 hours of operation.
IMPORTANT: Keep all grease and oil off the friction
wheel and drive plate.
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Auger Shaft
Shift Lever
Chain
•
At least once a season, remove shear bolts on
auger shaft. Oil or spray lubricant inside shaft and
lubricate the auger bearings. See Figure 24.
Vent Plug
Avoid oil on
friction wheel and
drive plate
Gear Shaft
Plastic
Bearing
Plastic
Bearing
Shear Bolts
Figure 24
Figure 25
Drive and Shifting Mechanism
Gear Case
Remove rear cover. Oil any chains, sprockets, gears,
bearings, shafts, and shifting mechanism at least once
a season. Use engine oil or a spray lubricant. Avoid
getting oil on rubber friction wheel and aluminum drive
plate. See Figure 25.
The worm gear case has been filled with grease at the
factory. If disassembled for any reason, lubricate with 2
ounces of shell grease, part number 737-0168.
IMPORTANT: Do not overfill the gear case. Damage to
the seals could result. Be sure the vent plug is free of
grease in order to relieve pressure.
SECTION 8: SERVICING YOUR SNOW THROWER
•
To remove shave plate, remove the carriage bolts,
WARNING: Before servicing, repairing,
or inspecting, disengage all clutch levers
and stop engine. Wait until all moving
parts have come to a complete stop.
Disconnect spark plug wire and ground it
against the engine to prevent unintended
starting
cupped washers and hex nuts which attach it to the
snow thrower housing. Reassemble new shave
plate, making sure heads of carriage bolts are to
the inside of housing. Tighten securely.
Engine
Refer to the separate engine manual packed with your
unit for all engine maintenance procedures.
Shave Plate and Skid Shoes
•
The shave plate and skid shoes on the bottom of
the snow thrower are subject to wear. They should
be checked periodically and replaced when
necessary.
Carriage
Bolts
Skid Shoe
•
To remove skid shoes, remove the four carriage
bolts, cupped washers and hex nuts which attach
them to the snow thrower. Reassemble new skid
shoes with the four carriage bolts, cupped washers
(cupped side goes against skid shoes) and hex
nuts. See Figure 26.
Shave Plate
Hex Nuts
Skid Shoe
Figure 26
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•
Roll the front and rear auger belts off the engine
pulley. See Figure 28.
Augers
•
The augers are secured to the spiral shaft with two
Drive Belt
shear bolts and hex lock nuts. If you hit a hard
foreign object or ice jam, the snow thrower is
designed so that the bolts may shear.
Auger
Belt
Drive
Pulley
Refer to Figure 24.
•
If the augers will not turn, check to see if the bolts
have sheared. Replacement shear bolts and hex
lock nuts have been provided with the snow
thrower. When replacing bolts, spray an oil
lubricant into shaft before inserting new bolts.
Idler
Pulley
IMPORTANT: NEVER replace the auger shear bolts with
standard hex bolts. Any damage to the auger gearbox
or other components as a result of doing so will NOT be
covered by your snow thrower’s warranty.
Engine
Pulley
Idler
Pulley
Belt Removal and Replacement
Figure 28
Auger Belts
•
Unhook the idler spring from the hex bolt on the
auger housing. See Figure 29.
NOTE: It is necessary to remove both belts in order to
change either one (Model 614E has only one auger
belt). If changing just one belt, be certain to check the
condition of the other belt.
Friction Wheel
Assembly
Pin
•
Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
See Figure 27.
•
•
Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
Tip the snow thrower up and forward so that it rests
on the auger housing.
Support
Bracket
Frame
Gear
Shaft
Self-Tapping
Screw
Auger Belt
Support Bracket
Spring
Auger
Pulley
Idler
Spring
Auger
Housing
Figure 29
Unhook the support bracket spring from the frame.
Belt Cover
Figure 27
•
NOTE: It may be necessary to loosen the six hex nuts
that fasten the frame to the auger housing to aid in belt
removal.
•
Remove six self-tapping screws from the frame
cover underneath the snow thrower.
•
Lift the rear auger belt from the auger pulley, and
slip belt between the support bracket and the auger
pulley. Repeat this step to remove the front auger
belt. See Figure 29.
•
Reassemble auger drive belt(s) by following
instructions in reverse order.
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•
Lightly tap the hex nut to dislodge the ball bearing
from the right side of the frame. Remove the hex
nut and bell washer from the left end of the shaft.
Slide the gear shaft to the right then slide the
friction wheel assembly from the shaft.
Remove the four screws from the friction wheel
assembly. See Figure 32.
Remove the friction wheel rubber from between the
friction wheel plate.
Drive Belt
•
Follow first four steps of previous instructions.
•
Pull idler pulley up, and lift belt off engine pulley and
friction wheel disc. See Figure 28.
•
•
•
•
•
•
Using a wrench, loosen the nut on the stop bolt until
the support bracket rests on the auger pulley.
See Figure 30.
Slip belt between friction wheel and friction wheel
disc. Remove and replace belt. Reassemble in
reverse order.
Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the four screws
in rotation and with equal force. See Figure 32.
NOTE: The support bracket must rest on the stop bolt
after the new belt has been assembled. See Figure 30.
Screws
Friction Wheel Rubber
Hub
Friction
Wheel Disc
Friction Wheel
Drive Belt
Support Bracket
Friction Wheel
Plates
Stop
Bolt
Figure 32
•
•
Slide friction wheel assembly back onto the gear
shaft. Be sure to align the pin on the shift rod with
hole in the friction wheel assembly. See Figure 29.
Reassemble gear shaft and the wheels. Reattach
the frame cover. Flip snow thrower back to its
operating position and remove any plastic from
under the machine or around the gas cap if you had
put it earlier.
Figure 30
Friction Wheel Rubber
Replace the friction wheel rubber if any signs of wear or
cracking are found. Follow instructions below to replace
the rubber.
•
•
•
•
Tip the snow thrower up and forward, so that it rests
on housing. Refer to Figure 19.
Remove six self-tapping screws from the frame
cover underneath the snow thrower.
Remove the click pins which secure the wheels,
and remove the wheels from the axle.
Using a wrench to hold the shaft, loosen, but do not
completely remove, the hex nut and bell washer on
the left end of gear shaft. See Figure 31.
Off-Season Storage
WARNING: Never store the machine or
fuel container indoors where there is an
open flame, spark or pilot light such as on
a water heater, furnace, clothes dryer or
other gas appliances.
WARNING: Drain fuel into an approved
container outdoors, away from open
flame. Allow engine to cool. Extinguish
cigarettes, cigars, pipes, and other
sources of ignition prior to draining fuel.
Fuel left in engine for extended period
deteriorates and will cause serious
starting problems.
Hex Nut &
Bell Washer
If unit is to be stored over 30 days, prepare for storage
as follows:
•
Remove gasoline from carburetor and fuel tank to
prevent gum deposits from forming on these parts
and causing possible malfunction of engine.
Figure 31
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•
•
Run engine until fuel tank is empty and engine
stops due to lack of fuel.
Drain carburetor by pressing upward on bowl drain,
located below the carburetor cover.
•
Remove spark plug and pour one ounce of engine
oil through spark plug hole into cylinder. Cover
spark plug hole with rag. Crank engine several
times to distribute oil. Replace spark plug.
Follow the lubrication recommendations found in
the Maintenance Section.
•
•
NOTE: Fuel stabilizer, or “Sta-Bil” (Included with
certain units), is an acceptable alternative in minimizing
the formation of fuel gum deposits during storage. Do
not drain carburetor if using fuel stabilizer.
Always store the snow thrower in a clean, dry area.
When storing any type of power equipment in an
unventilated or metal storage shed, care should be
taken to rust proof the equipment. Using a light oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
•
Wipe equipment with an oiled rag to prevent rust.
SECTION 9: TROUBLE SHOOTING GUIDE
Trouble
Possible Cause(s)
Corrective Action
Engine fails to start
Fuel tank empty, or stale fuel.
Fill tank with clean, fresh gasoline. Fuel will not last over thirty days
unless a fuel stabilizer is used.
Clean fuel line.
Blocked fuel line.
Choke not in ON position
Faulty spark plug.
Move switch to ON position
Clean, adjust gap or replace.
Insert key.
Connect spark plug wire.
Refer to the engine manual.
Open fuel shut-off valve.
Key not in switch on engine.
Spark plug wire disconnected.
Primer button not depressed.
Fuel shut-off valve closed
(if so equipped).
Engine runs erratic
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Move choke lever to OFF position.
Clean fuel line; fill tank with clean fresh gasoline. Fuel will not last
over thirty days unless a fuel stabilizer is used.
Drain fuel tank. Refill with fresh fuel.
Refer to the engine manual.
Connect and tighten spark plug wire.
Remove ice and snow from cap. Be certain vent hole is clear.
Clean following the engine manual.
Refer to the engine manual packed with your unit or have
carburetor adjusted by an authorized service dealer.
Drain fuel tank. Refill with proper fuel mixture.
Water or dirt in fuel system.
Carburetor out of adjustment.
Spark plug wire loose.
Gas cap vent hole plugged.
Exhaust port plugged.
Carburetor not adjusted
properly.
Loss of power
Engine overheats
Excessive vibration
Incorrect fuel mixture.
Loose parts or damaged auger. Stop engine immediately and disconnect spark plug wire. Tighten
all bolts and nuts. Make all necessary repairs. If vibration
continues, have unit serviced by an authorized service dealer.
Unit fails to propel itself Incorrect adjustment of drive
Adjust drive cable.
cable.
Drive belt loose or damaged.
Replace drive belt.
Unit fails to
discharge snow
Discharge chute clogged.
Stop engine immediately and disconnect spark plug wire. Clean
discharge chute and inside of auger housing.
Foreign object lodged in auger. Stop engine immediately and disconnect spark plug wire. Remove
object from auger.
Incorrect adjustment of drive
cable.
Adjust drive cable.
Drive belt loose or damaged.
Replace drive belt.
NOTE: For repairs beyond the minor adjustments above, contact your local authorized service dealer.
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SECTION 10: MODELS 614E, 644E, & 664G
40
8
7
6
5
10
11
38
39
2
4
1
12
14
21
3
13
8
7
20
15
16
18
6
16
13
29
30
17
31
32
7
34
18
19
22
23
37
33
26
24
13
33
6
28
16
36
27
33
6
37
32
7
25
33
31
30
32
6
35
36
32
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Models 614E, 644E, & 664G
REF.
NO.
PART
NO.
REF.
NO.
23. 712-0798
24. 784-5580
25. 784-5581A
784-5582A
26. 684-0065
27. 715-0114
28. 618-0120A
618-0122A
29. 710-0726
30. 784-5618
31. 741-0245
32. 736-0188
33. 741-0493A
34. 605-5188A
605-5196A
PART
NO.
DESCRIPTION
Lock Jam Nut 3/8-24
Flat Idler
Auger Idler Arm
Hex Cap Screw 3/8-24 x 1.50
Bushing
DESCRIPTION
Hex Nut 3/8-16
Slide Shoe
1. 712-0116
2. 756-0178
3. 784-5632B
4. 710-0459A
5. 741-0475
6. 736-0242
7. 712-3010
8. 712-3027
10. 705-5226
11. 731-1379C
12. 710-0703
13. 710-0451
14. 738-0281
15. 736-0167
16. 712-3010
17. 732-0611
18. 736-0119
19. 05931A
24” Shave Plate
28” Shave Plate
Impeller Assembly
Pin
24” Gear Assembly
28” Gear Assembly
Hex Washer Screw 5/16-12
Bearing Housing
Hex Flange Bearing
Flat Washer
Flange Bushing
Spiral 24” RH
Spiral 28” RH
Spiral 24” LH
Spiral 28” LH
Bell Washer
Hex Nut 5/16-18
Hex Lock Nut 1/4-20
Reinforcement Chute
Chute Adapter
Carriage Screw 1/4-20 x.62
Carriage Bolt 5/16-18
Shoulder Screw
Flat Washer
Hex Nut 5/16-18
Extension Spring
Lock Washer 5/16
Bearing Housing
Ball Bearing
24” Housing Assembly
28” Housing Assembly
Lock Washer 3/8
35. 605-5189A
605-5197A
36. 710-0890A
37. 712-0429
38. 784-5647
39. 731-2635
40. 731-2643
Shear Bolt 5/16-18 x 1.5
Lock Nut 5/16-18
Chute Directional Control Bracket
Clean-Out Tool Mount
Clean-Out Tool
20. 741-0309
21. 684-0039D
684-0041D
22. 736-0169
23
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Models 614E, 644E, & 664G
17
16
18
17
2
1
3
4
8
16
20
5
19
20
22
55
27
26
25
18
53
9
19
21
28
54
56
7
10
12
29
30
13
38
39
54
40
15
24
24
53
55
14
6
7
41
39
34
23
23
42
35
7
43
22*
37
44
16
36
45
27*
64†
46
65†
57†
47††
48††
60†
42
59†
62†
50††
51††
58†
63†
23
49††
61†
36
52††
†Models w/Folding Handles
*Ref. Nos. 22 and 27 reversed for fold down handles.
24
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Models 614E, 644E, & 664G
REF.
NO.
PART
NO.
REF.
NO.
PART
NO.
DESCRIPTION
Jam Lock Nut 3/8-24
Compression Spring
Bell Washer
DESCRIPTION
1. 712-0116
2. 732-0193
3. 736-0105
4. 784-5619A
5. 710-0459A
6. 710-0788
7. 714-0104
8. 720-0232
720-04030
9. 711-0677
10. 726-0100
12. 720-0201A
720-04031
30. 749-0911C
34. 784-5599
35. 710-04039
36. 710-1880
37. 736-0185
38. 731-04426
39. 736-0159
40. 710-0451
41. 710-04071
42. 720-0284
720-04032
Handle LH
Handle Tab
Hex Cap Screw 5/16-18 x 2.0
Hex Cap Screw 5/16-18 x.75
Flat Washer
Upper Chute
5/16 Washer
Carriage Bolt 5/16-18 x.75
Carriage Screw 5/16-18 x 1.0
Knob - Black
Knob - Yellow
Lower Chute
Shift Handle
Hex Cap Screw 3/8-24
Tap Screw 1/4-20
Cotter Pin
Shift Knob - Black
Shift Knob - Yellow
Ferrule
Push Cap
Crank Knob - Black
Crank Knob - Yellow
Chute Crank Assembly
Eyebolt
43. 731-1300B
44. 712-3027
45. 731-0851A
46. 710-3015
Hex Lock Nut 1/4-20
Flange Keeper
Hex Cap Screw 1/4-20 x.75
13. 684-0022
14. 747-0697
-
735-0234
Grommet only
Shift Arm Assy
Grip
Clutch Lever Assy LH - Black
Clutch Lever Assy LH - Yellow
Clutch Lever Assy RH - Black
Clutch Lever Assy RH - Yellow
Spacer
47. 629-0058†† Round Light Harness
48. 710-1652†† Hex Tap Screw 1/4-20 x.625
49. 710-1003†† Hex Screw
50. 712-0415†† Hex Nut
51. 725-1300†† Headlight 18 Watts
52. 731-1317†† Headlight Cover
15. 684-0008A
16. 720-0274
17. 705-5233A
684-04054
705-5234A
684-04053
53. 736-0242
54. 712-3068
55. 736-0275
56. 747-0921
Bell Washer
18. 750-1032
19. 735-0199A
20. 746-0778
21. 705-5275
22. 712-0429
23. 736-0119
24. 712-3010
25. 705-5274
26. 749-0910C
27. 710-3103
28. 710-0262
29. 684-0106
Hex Patch Nut 5/16-18
Flat Washer.344 ID x.688 OD
Shift Rod
Rubber Bumper
Z Cable Fitting
Lever Bracket LH
Lock Hex Nut 5/16-18
Lock Washer 5/16
Hex Nut 5/16-18
Lever Bracket RH
Handle RH
Hex Cap Screw 5/16-18 x 2.0
Carriage Bolt 5/16-18 x 1.50
Control Panel Assy
57. 747-0620A† Upper Shift Rod
58. 747-0621†
59. 750-0963†
60. 710-0449†
61. 710-0643†
62. 736-0451†
63. 749-0951†
Lower Shift Rod
Clutch Rod Connector
Carriage Screw 5/16-18
Hex Cap Screw 5/16-18
Saddle Washer.320 ID x.93 OD
Lower Handle
64. 749-0952A† Upper Handle RH
65. 749-0953A† Upper Handle LH
† Models w/Fold Down Handles Only
†† If Equipped
25
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Models 614E, 644E, & 664G
20
39
46
Drive Clutch
Cable
42
Auger Clutch
Cable
5
37
4
13
1
7
11
38
6
3
10
40
4
1
2
27
14
36
15
47
26
5
16
42
16” Wheels
42
13” or 15” Wheels
9
7
10
11
43
25
31
12
28
23
17
8
18
4
32
33
24
22
1
41
20
21
5
8
Auger Clutch
Cable
29
34
44
19
35
45
Blower
Housing
30
41
41
26
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Models 614E, 644E, & 664G
REF.
NO.
PART
NO.
REF.
NO.
PART
NO.
DESCRIPTION
DESCRIPTION
1. 710-0599
2. 784-5688
3. 784-5687A
4. 756-0625
5. 738-0924
6. 784-5630B
7. 741-0563
8. 736-0105
9. 712-0116
10. 741-4026
11. 736-0188
12. 784-5689A
13. 710-0538
14. 736-0242
15. 714-0474
16. 736-0160
17. 710-0809
18. 784-5590
19. 784-5638A
20. 710-1652
21. 736-0351
22. 717-1445
23. 714-0126
24. 717-04094
Hex Screw
25. 715-0249
26. 714-0143
27. 684-0042C
28. 656-0012A
29. 684-0013B
30. 746-0897
31. 748-0190
32. 684-0021
33. 732-0264
34. 712-0711
35. 746-0898B
36. 738-0869
738-0830
37. 790-00010
38. 735-0243B
39. 718-0301A
40. 618-0063A
41. 710-1652
42. 712-0703A
43. 711-1364
44. 736-0142
45. 714-0507
46. 790-00011
47. 716-0102
Roll Pin
Klik Pin
Friction Wheel Assembly
Friction Disc Wheel
Wheel Shift Rod Assembly
Drive Cable
Drive Cable Guide Bracket
Auger Clutch Cable Bracket
Roller Cable
Hex Screw 1/4-28
Frame Assembly
Ball Bearing
Bell Washer
Lock Jam Nut
Hex Flange Bearing
Flat Washer
Front Support Guide Bracket
Lock Hex Screw
Bell Washer.340 ID x.872 OD
Cotter Pin
Flat Washer.536 ID x.930 OD
Hex Washer Screw 1/4-20
Frame Shift Bracket
Frame Cover
Hex Washer Screw 1/4-20
Flat Washer.760 ID x.50 OD
Gear
Spacer
Friction Wheel Bracket Assembly
Extension Spring
Jam Nut 3/8-24
Drive Cable
Axle 13” Wheels
Axle 16” Wheels
Friction Plate
Friction Wheel Rubber
Friction Wheel Hub
Friction Wheel Bearing
Tap Screw 1/4-20
Insert Nut 5/16-18
Clevis Pin
Flat Washer.281 ID x.50 OD
Cotter Pin
Friction Plate
Key
7-Tooth Shaft
Snap Ring
27
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Models 614E
1
2
3
5
4
8
9
11
12
13
10
16
15
20
16
4
7
22
6
23
14
24
17
18
19
21
26
25
IMPORTANT: For a proper working machine, use Factory
Approved Parts.
V-BELTS are specially designed to engage and disengage
safely. A substitute (non OEM) V-Belt can be dangerous by not
disengaging completely.
REF.
NO.
1.
2.
3.
4.
5.
6.
7.
PART
NO.
REF.
NO.
PART
NO.
DESCRIPTION
Hex Washer Screw 1/4-20 x.5
Belt Cover
Extension Spring
Hex Screw 5/16-24 x.75
Hex Cap Screw 3/8-16 x 1.25
Drive Clutch Bracket
Shoulder Spacer
Pulley Half
DESCRIPTION
Lock Cap Screw 5/16-24
Lock Jam Nut 3/8-16
Pulley Half
Bell Washer
Flat Washer
Washer
Belt
Auger Pulley
Flat Washer
710-1652
731-1324
732-0339
710-0627
710-3005
05896A
748-0234
756-0985
754-0343
14. 710-1245B
15. 712-0181
16. 756-0569
17. 736-0242
18. 736-0505
19. 736-0507
20. 754-0430B
21. 756-0967
22. 736-0247
23. 736-0331
24. 710-0696
25. 748-0360
26. 710-0654A
8.
9.
V-Belt
10. 756-0984
11. 736-0270
12. 710-0230
13. 756-0313
Pulley Half
Bell Washer
Hex Cap Screw 1/4-28 x.50
Flat Idler
Bell Washer
Hex Cap Screw 3/8-24
Pulley
Hex Washer Screw 3/8-16 x 1.0
28
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Models 644E & 664G
1
2
26
4
3
5
8
9
10
11
27
20
21
12
20
21
20
5
7
6
22
23
14
13
24
16
15
25
17
18
19
19
IMPORTANT: For a proper working machine, use Factory
Approved Parts.
V-BELTS are specially designed to engage and disengage
safely. A substitute (non OEM) V-Belt can be dangerous by not
disengaging completely.
REF.
NO.
1.
2.
3.
4.
5.
6.
7.
PART
NO.
REF.
NO.
PART
NO.
DESCRIPTION
Hex Washer Screw 1/4-20 x.50
Belt Cover
Hex Cap Screw 3/8-16 x 1.25
Extension Spring
Hex Screw 5/16-24 x.75
Drive Clutch Idler Bracket
Shoulder Spacer
Pulley Half
DESCRIPTION
Hex Washer Screw 3/8-16 x 1.0
Hex Lock Screw 5/16-24 x.875
Bell Washer.340 ID x.872 OD
Flat Washer.341 ID x.50 OD
Auger Pulley
Pulley Half
V-Belt
Flat Washer
710-1652
731-1324
710-3005
732-0710
710-0627
05896A
748-0234
756-0987
754-0346
15. 710-0654A
16. 710-1245B
17. 736-0242
18. 736-0505
19. 756-0967
20. 756-0569
21. 754-0430B
22. 736-0247
23. 736-0331
24. 710-0696
25. 748-0360
8.
9.
Belt
Bell Washer.39 ID x 1.13 OD
Hex Cap Screw 3/8-24 x.875
Pulley Adapter
10. 756-0986
11. 736-0270
12. 710-0230
13. 756-0313
14. 712-0181
Pulley Half
Bell Washer
Hex Cap Screw
Flat Idler
Lock Jam Nut 3/8-16
26. OEM-390-987 Electric Start
27. 629-0071 Extension Cord, Three-Prong
29
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Models 614E, 644E, & 664G
4
17
11
9
13
16
7
15
1
10
14
5
6
3
8
12
3
2
REF.
NO.
1.
2.
3.
PART
NO.
REF.
NO.
PART
NO.
DESCRIPTION
Housing—R.H.
DESCRIPTION
618-0123
618-0124
710-0642
711-0908A
711-0910A
714-0161
715-0143
717-0526
717-0528
718-0186
10. 721-0325
11. 721-0327
12. 736-0351
13. 736-0369
14. 736-0445
15. 741-0662
16. 741-0663
Plug
Oil Seal
Housing—L.H.
Hex Screw 1/4-20 x.75
Spiral Axle 24"
Spiral Axle 28"
Key
Spiral Pin
Worm Shaft
Worm Gear
Flat Washer
Flat Washer
Flat Washer
Flange Bearing
Flange Bearing
Ass’y. Complete 24"
Ass’y. Complete 28"
4.
5.
6.
7.
8.
9.
17. 618-0120A
618-0122A
Thrust Collar
1
6
5
5
2
4
3
Wheel Assembly
REF. NO. 3
AIR
SIZE
REF. NO. 1
WHEEL ASS’Y
COMPLETE
634-0114A
734-1714A
734-1709A
REF. NO. 2
TIRE
REF. NO. 4
REF. NO. 5
SLEEVE
BEARING (2)
741-0401
741-0401
741-0401
REF. NO. 6
SPACER
RIM
ONLY
734-1713A
734-1713A
734-1708A
ONLY
VALVE
13 x 4
13 x 5
16.5 x 4.8
734-1732
734-1527
734-1530
734-0255
734-0255
734-0255
731-04044
731-04044
731-04043
30
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NOTES
31
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MANUFACTURER’S LIMITED WARRANTY FOR:
The limited warranty set forth below is given by MTD LLC with
respect to new merchandise purchased and used in the
United States, its possessions and territories.
d.
MTD does not extend any warranty for products sold or
exported outside of the United States, its possessions
and territories, except those sold through MTD’s
authorized channels of export distribution.
Replacement parts that are not genuine MTD parts.
Service completed by someone other than an
authorized service dealer.
“MTD”warrants this product against defects in material and
workmanship for a period of two (2) years commencing on the
date of original purchase and will, at its option, repair or
replace, free of charge, any part found to be defective in
materials or workmanship. This limited warranty shall only
apply if this product has been operated and maintained in
accordance with the Operator’s Manual furnished with the
product, and has not been subject to misuse, abuse,
commercial use, neglect, accident, improper maintenance,
alteration, vandalism, theft, fire, water, or damage because of
other peril or natural disaster. Damage resulting from the
installation or use of any part, accessory or attachment not
approved by MTD for use with the product(s) covered by this
manual will void your warranty as to any resulting damage.
e.
f.
g.
Transportation charges and service calls.
No implied warranty, including any implied warranty of
merchantability of fitness for a particular purpose,
applies after the applicable period of express written
warranty above as to the parts as identified. No other
express warranty, whether written or oral, except as
mentioned above, given by any person or entity,
including a dealer or retailer, with respect to any product,
shall bind MTD. During the period of the warranty, the
exclusive remedy is repair or replacement of the product
as set forth above.
Normal wear parts or components thereof are subject to
separate terms as follows: All normal wear parts or
component failures will be covered on the product for a period
of 90 days regardless of cause. After 90 days, but within the
two year period, normal wear part failures will be covered
ONLY IF caused by defects in materials or workmanship of
OTHER component parts. Normal wear parts and
components include, but are not limited to: batteries, belts,
blades, blade adapters, grass bags, rider deck wheels, seats,
snow thrower skid shoes, shave plates, auger spiral rubber,
and tires.
The provisions as set forth in this warranty provide the
sole and exclusive remedy arising from the sale. MTD
shall not be liable for incidental or consequential loss or
damage including, without limitation, expenses incurred
for substitute or replacement lawn care services or for
rental expenses to temporarily replace a warranted
product.
Some states do not allow the exclusion or limitation of
incidental or consequential damages, or limitations on how
long an implied warranty lasts, so the above exclusions or
limitations may not apply to you.
HOW TO OBTAIN SERVICE: Warranty service is available,
WITH PROOF OF PURCHASE, through your local authorized
service dealer. To locate the dealer in your area, check your
Yellow Pages, or contact MTD LLC at P.O. Box 361131,
Cleveland, Ohio 44136-0019, or call 1-800-800-7310 or 1-
330-220-4683 or log on to our Web site at
In no event shall recovery of any kind be greater than the
amount of the purchase price of the product sold. Alteration
of safety features of the product shall void this warranty.
You assume the risk and liability for loss, damage, or injury to
you and your property and/or to others and their property
arising out of the misuse or inability to use the product.
This limited warranty does not provide coverage in the
following cases:
This limited warranty shall not extend to anyone other than the
original purchaser or to the person for whom it was purchased
as a gift.
a.
The engine or component parts thereof. These items
may carry a separate manufacturer’s warranty. Refer
to applicable manufacturer’s warranty for terms and
conditions.
HOW STATE LAW RELATES TO THIS WARRANTY: This
limited warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.
b.
c.
Log splitter pumps, valves, and cylinders have a
separate one year warranty.
Routine maintenance items such as lubricants, filters,
blade sharpening, tune-ups, brake adjustments, clutch
adjustments, deck adjustments, and normal
deterioration of the exterior finish due to use or
exposure.
IMPORTANT: Owner must present Original Proof of Purchase to obtain warranty coverage.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-800-800-7310, 1-330-220-4683
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