IMPORTANT: Read safety rules and instructions carefully before operating equipment.
Warning:
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 ma y 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 368022 Cleveland, Ohio 44136-9722.
PRINTED IN U.S.A.
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
FORM NO.
770-10025A
(6/99)
TABLE OF CONTENTS
ContentPage
Important Safe Operation Practices...................................................................3
Contents of Hardware Pack...............................................................................5
Parts List............................................................................................................19
FINDING MODEL NUMBER
This Operator’s Manual is an important part of your new Snow Thrower. It will help you assemble, prepare
and maintain the unit for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the
equipment and copy the information from it in the space provided below. The information on
the model plate is very important if you need help from our Customer Support Department or
an authorized dealer.
•You can locate the model number by standing behind the unit in the operating position and looking
down at the dash panel. A sample model plate is explained below. For future reference, please copy
the model number and the serial number of the equipment in the space below.
(Model Number)
CLEVELAND, OHIO 44136
(Serial Number)
MTD PRODUCTS INC
Copy the model number here:
Copy the serial number here:
CALLING CUSTOMER SUPPORT
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, please call the Customer Support Department.
Call 1- (330) 220-4MTD (4683) or 1- (800)-800-7310 to reach a Customer Support
representative. Please have your unit’s model number and serial number ready when you
call. See previous section to locate this information. You will be asked to enter the serial
number in order to process your call .
2
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES
This Warning 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 your Snow Thrower. Failure to comply with these instructions may result
in personal injury. When you see this symbol, heed its warning.
DANGER: Your Snow Thrower 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 seriou s injury . This Snow Thrower is capable of amputating hands and feet and throwing
objects. Failure to observe the following safety instructions could result in serious injury or death.
TRAINING
• Read this operator's manual carefully in its entirety
before attempting to assemble or operate this
machine. Be completely familiar with the controls and
the proper use of this machine before operating it.
Keep this manual in a safe place for future and
regular reference an d for ordering replacement parts.
• Never allow children under 14 years old to operate a
snow thrower. Children 14 years old and over should
only operate snow thrower under close parental
supervision. Only persons well acquainted with these
rules of safe ope ration sh ould be al lowed to us e your
snow thrower.
• No one should operate this unit while intoxicated or
while taking medication that impairs the senses or
reactions.
• Keep the area of operation clear of all persons,
especially small children and pets.
• Exercise caution to avoid slipping or falling, especially
when operating in reverse.
PREPARATION
• Thoroughl y inspect the area where the equipmen t is
to be used and remove all door mats, sleds, boards,
wires and other foreign objects.
• Disengage all clutches and shift into neutral before
starting engine.
• Do not operate equipment without wearing adequate
winter outer garments. Do not wear jewelry, long
scarfs or other loose clothing which could become
entangled in moving parts. Wear footwear which will
improve footing on slippery surfaces.
• Before working with gasoline, extinguish all cigarettes
and other sources of ignition. Check the fuel before
starting the engine. Gasoline is an extremely
flammable fuel. Do not fill the gasoline tank indo ors,
while the engine is running, or until engine has been
allowed to cool at least two minutes. Replace
gasoline cap securely and wipe off any spilled
gasoline before starting the engine as it may cause a
fire or explosion.
• Use a grounded three wire plug-in for all units with
electric drive motors or electric starting motors.
• Adjust collector housing height to clear gravel or
crushed rock surface.
• Never atte mpt to make any adj ustme nts wh ile en gine
is running (except where specifically recommended
by manufacturer).
• Let engine and machine adjust to outdoor
temperature before starting to clear snow.
• Always wear safety glasses or eye shields during
operation or while performing an adjustment or repair,
to protect eyes from foreign objects that may be
thrown from the machine in any direction.
OPERATION
• Do not put hands or feet near or under rotating parts.
Keep clear of discharge opening and auger at all
times.
• Exercise extreme caution when operating on or
crossing g ravel driv es, walks, or roads. Sta y alert for
hidden hazards or traffic. Do not carry passengers.
• After striking a foreign object, stop the engine,
remove wire from spark plug, and thoroughly inspect
the snow thrower for any damage. Repair the
damage before restarting and operating the snow
thrower.
• If the snow thrower should start to vibrate abnormally,
stop the engine and check immediately for the cause.
Vibration is generally a warning of trouble.
• Stop engine whenever you leave the operating
position, before unclogging the collector/impeller
housing or discharge guide, and making any repairs,
adjustments, or inspections. Never place your hand in
the discharge or collector openings. Use a stick or
wooden broom handle to unclog the discharge
opening.
• Take all possible precautions when leaving the unit
unattended. Disengage the collector/impeller, shift
into neutral, stop the engine, and remove the key.
3
• When cleaning, repairing, or inspecting, make certain
collector/impeller and all moving parts have stopped.
Disconnect spark plug wire and keep away from plug
to prevent accidental starting.
• Do not run engine indoors, except when starting
engine and transporting snow thrower in or out of
building. Open doors. Exhaust fumes are dangerous.
• Do not clear snow across the face of slopes. Exercise
extreme caution when changing direction on slopes.
Do not attempt to clear steep slopes.
• Never operate snow thrower without guards, plates,
or other safety protection devices in place.
• Never operate snow thrower near glass enclosure,
automobiles, window wells, drop off, etc., without
proper adjustments of snow thrower discharge angle.
Keep children and pets away.
• Do not overload machine capacity by attempting to
clear snow at too fast a rate.
• Never operate the machine at high transport speeds
on slippery surfaces. Look behind and use care when
backing.
• Never direct discharge at bystanders or allow anyone
in front of unit.
• Disengage power to collector/impeller when
transporting or not in use.
• Use only attachments and accessories approved by
the manufacturer of snow thrower (such as wheel
weights, counter weights, cabs, etc.).
• Never operate the snow thrower without good
visibility or light. Always be sure of your footing and
keep a firm hold on the handles. Walk, never run.
• Muffler and engine become hot and can cause a
burn. Do not touch.
MAINTENANCE AND STORAGE
• Check shear bolts, engine mounting bolts, etc., at
frequent intervals for proper tightness to be sure
equipment is in safe working condition.
• Never store the machine with fuel in the fuel tank
inside a building where ignition sources are present,
such as hot water and space heaters, clothes dryers,
and the like. Allow engine to cool before storing in
any enclosure.
• Always refer to operator's manual instructions for
important details if snow thrower is to be stored for an
extended period.
• Run machine a few minutes after throwing snow to
prevent freeze up of collector/impeller.
• Check clutch controls periodically to verify they
engage and disengage properly and readjust if
necessary. Refer to operator's manual for adjustment
instructions.
YOUR RESPONSIBILITY: 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.
DANGER
AVOID INJURY FROM
ROTA TING AUGER KEEP HANDS, FEET
AND CLOTHING AWAY .
W ARNING
1.
STOP ENGINE BEFORE REMOVING
DEBRIS AND SERVICING UNIT
2.
KEEP CLEAR OF IMPELLER WHILE
ENGINE IS RUNNING
3.
NEVER DIRECT DISCHARGE AT
BYSTANDERS OR WINDOWS OR
ALLOW ANYONE IN FRONT OF
UNIT
4.
THOROUGHLY INSPECT THE AREA
WHERE THE EQUIPMENT IS TO BE
USED AND REMOVE ALL DOO R
MATS, SLEDS, BOARDS, WIRES AND
OTHER FOREIGN OBJECTS
REFER TO OWNERS MANUAL FOR
5.
FULL INSTRUCTIONS
Safety Labels Found on Snow Thrower
4
SECTION 2: CONTENTS OF HARDWARE PACK
Lay out the hardware according to the illustration for identification purposes. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are not used on your unit.)
ATTACHING THE HANDLES
A
(2) Hex Bolts
5/16-18 x 1-3/4” Long
(710-3180)
(2) Hex Bolts
5/16-18 x 3/4” Long
(710-3008)
ATTACHING THE SPEED SELECTOR PLATE
AND SHIFT LEVER
C
(2) Hex Bolts
1/4-20 x 3/4” lg.
(710-3015)
(2) Handle Tabs
(784-5599)
(4) Lock Washers
5/16” I.D.
(736-0119)
(4) Self-Tapping
Screws
1/4-20 x 1/2” Lg.
(710-0599)
(2) Hex Lock Nuts
1/4” Thread
(712-3027)
ATTACHING THE HANDLE PANEL
B
(4) Carriage Bolts
5/16-18 x 1-1/2” Long
(710-0262)
(4) Hex Nuts
5/16” Thread
(712-3010)
ATTACHING THE CLUTCH CABLES
D
(2) “Z” Fitting
(746-0778)
ATTACHING THE CHUTE ASSEMBLY
E
(4) Lock Washers
5/16” I.D.
(736-0119)
(2) Hex Nuts
#10-24 Thread
(712-0121)
ATTACHING THE CHUTE DIRECTIONAL
CONTROL ASSEMBLY
F
(1) Hair Pin Clip
(714-0104)
(1) Cupped Washer
5/16” I.D.
(736-0242)
AUGER SHEAR BOLTS (SPARES)
(2) Flat Washers
3/8” I.D. x 5/8” O.D.
(2)Hex Nut
5/16” Thread
(712-3010)
G
(2) Shear Bolts
(710-0890A)
(736-0185)
(6) Hex Lock Nuts
(6) Hex Bolts
1/4-20 x 3/4” Lg.
(710-3015)
(2) Hex Lock Nuts
5/16” Thread
(712-0429)
5
1/4” Thread
(712-3027)
(3) Chute Flange Keepers
(Not Shown) (731-0851)
SECTION 3: ASSEMBLING YOUR SNOW THROWER
IMPORTANT:
gasoline, and check oil level as instructed in the
separate engine manual packed with your unit.
NOTE:
thrower are determined from behind the unit in the
operating position.
After asse mbly , serv ice en gine with
References to right or left side of the snow
Unpacking
• Remove staples or break glue on th e top flaps
of the carton. Remove any loose par ts included
with unit (i.e., operator’s manual, etc.).
• Cut corner’s and lay end of carton down flat.
Remove packing material.
• Roll unit out of carton. Che ck carton thoroughly
for loose parts before discarding.
A
Tools r equired for assembly
• Pair of Pliers
• Two adjustable wrenches
Loose parts in carton See Figure 1
A(2) Handles (Right and Left)
B(1) Handle Panel Assembly
C(1) Speed Selector Plate
D(1) Shift Lever
E(1)Chute Directional Control Ass’y.
F(1) Chute Assembly
(1) Hardware Pack
C
B
F
D
E
Figure 1
6
Assembling the handles and handle
Carriage
Bolts
Lock Washers
Hex
Nuts
Clutch Grip
Pivot Rod
Left Handle (A)
Handle
Panel
Assembly(B)
panel (hardware a and b)
•Raise both clutch grips.
•Lower left and right handles (A) down through
handle panel (B) between the pivot rod and the
clutch grips and attach using hardware B. See
Figure 2.
Lock Washer
Handle
Tabs
Hex Bolt
Hex Bolt
Lock Washer
Figure 4
Attaching speed selector plate and shift
lever (hard ware c)
•Assemble the speed selector plate (C) to the
outside of the handles as shown in Figure 5.
Secure using four self-ta pping scr ews. See Figur e
5.
•Insert the shift lever (D) through slot in the speed
selector plate.
Figure 2
•Do not tighten at this time.
•Lay handle panel assembly behind snow thrower.
See Figure 3.
Figure 3
•Insert 3/4” long hex bolts and lock washers through
bottom holes in handles and bottom holes in snow
thrower. Do not tighten.
•Raise handles up until upper holes in handles and
upper holes in snow thrower frame line up.
•Secure with 1 3/4” long hex bolts, lock washers and
handle tabs. See Figure 4.
NOTE:
The bend in the lever should be towards the
operator. Secure shift lever to the shift lever spring
using two hex bolts and hex lock nuts. Tighten both
bolts finger tight. At this poi nt the shift lever and shift
lever spring are not against each other. As you tighten
the bolts and nuts with two wrenches they will pull
together. See Figure 5.
Speed
Selector
Plate (C)
Shift Lever (D)
Self-Tapping
Screw
Hex Bolts
Shift Lever
Spring
Hex Lock
Nuts
Figure 5
•Tighten all hardware assembled to this point.
CLUTCH GRIPS MUST MOVE FREELY.
7
Attaching the clutch cables (hardw are d)
Hex
Nut
“Z” Fitting
•Thread hex nuts onto the “Z” fittings (see insert,).
Insert “Z” fitting into hole in clutch grips. See Figure
6.
Chute
Assembly (F)
Hex Bolt
Hex Lock Nut
Figure 6
•Route the left cable between engine and speed
selector plate and then between handle panel and
clutch lever pivot rod before threading onto the left
“Z” fitting. Assemble the right cable using the same
route.
•Correct a djustme nt on cable s is mi nimal slack but
not tight. Tighten hex nuts when adjustment is
correct.
NOTE:
If the right hand lo ckout cable is not adjusted
correctly, the wheels wil l tend to turn. If the left hand
lockout cable is not adjus ted correctly, the augers will
not stop rotating.
WARNING: There must not be any
tension on either clutch cable with the
drive or auger clutch grip in the
disengaged (up) position. These clutches
are a safety feature, and their function
can be overridden if there is tension on
either cable with the clutches disengaged.
Attaching the chute assembly
(hardwar e e)
•Place chute assembly (F) over chute opening, with
the opening in the chute assembly facing the front
of the unit. Place chute flange keepers beneath lip
of chute assembly, with the flat side of chute flange
keeper facing downward.
•Insert hex bolt up through chute flange keeper and
chute assembly as shown in Figure 7. Secure with
hex lock nut. After assembling all three chute flange
keepers, tighten all nuts and bolts securely. Do not
overtighten.
NOTE:
hand. Tighten with two adjustable wrenches. This type
of nut is used where vibration occurs.
Lock nuts cannot be threade d onto a bolt by
Chute Flange
Keeper
Figure 7
Attaching the chute directional cont rol
(hardware f)
•Loosen the two hex nuts which secure the chute
directional control bracket (see Figure 8) to the
snow thrower housing.
Hex Nuts
Chute
Directional
Control
Bracket
Figure 8
•Place one flat washer over the end of the chute
directional control, then insert the end of the control
into the hole in the plastic bushing in the chute
directional control bracket. See Figure 9. Place
second flat washer on chute directional control, and
secure with hairpin clip.
Flat
Washers
Hairpin Clip
Chute Directional Control
Bracket
Figure 9
Chute
Directional
Control
8
Cup
Side
Crown
Side
Left
Handle
Hex Nut
2” of
Threads
Eyebolt
Hex Nut
Cupped
Washer
Lamp Wire
Alternator
Lead
Right Handle
•Thread one hex nut onto the eyebolt on the chute
directional control assembly until there is at least
two inches of threads showing between the nut and
the head of the eyebolt. See Figure 10.
Figure 10
•Place the eyebolt into the hole located half way up
the left handle. Secure with cupped washer
(cupped side against the handle, see insert, Figure
10) and hex nut.
•Adjust the chute directional control support bracket
(see Figure 9) so that the spiral on the chute
directional control fully engages the teeth on the
chute assembly. Tighten the nuts on the chute
directional control bracket securely. Tighten the hex
nuts on the eyebolt.
•Check to make sure all nuts and bolts on the control
panel and all four bolts which secure the handles to
the frame are tight.
Lamp wiring (Models E645 and E665 only)
Wrap the wire from the lamp down the right handle
until the wire can be plugged into the alternator lead
wire under the fuel tank . Be sure the lamp wire does
not interfere with the movement of any controls or
cables.
Figure 11
Final assembly and adjustments
Auger control clutch
To check the adjustment of the auger control clutch,
push forward on the left hand clutch grip (depress the
rubber bumper). There should be slack in the cable.
Release the clutch grip. The cable shoul d be straight.
Make certain you can de press th e auger contr ol clutch
grip against the left handle completely.
If necessary, loosen the hex lock nut and thread the
cable in (for less slack) or out (for more slack) as
necessary. Refer to Figure 12. Recheck the
adjustment.
Tighten the lock nut against the cable when correct
adjustment is reached.
“Z” Fitting
Hex Nut
Cable
Figure 12
Tr action control clutch an d shift lever
adjustment
To check the adjustm ent of the traction control clutch
and shift lever, move the shift le ver all the way ove r to
fifth (5) position. With the traction control lever
released, push the snow thrower forward. The unit
should move forwar d freely. Then engage the tract ion
control clutch grip. The wheels should stop turning.
Now release the tr action control clutch grip, and push
the unit again. Move the shift lever back to the fast
reverse position, then all the way over again. There
should be no resi stance in the sh ift lever, and the and
the wheels should keep turning
If you have resis tance when moving the shift lever or
the wheels stop when t hey should not, loos en 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 contr ol clutch grip, loosen the jam
nut on the traction control cab le and thread the cable
in one turn. Recheck the adjustment and repeat as
necessary. Tighten the jam nut to secure the cable
when correct adjustment is reached.
9
NOTE:
correct adjustment, refer to the Adjustment section.
If you are uncertai n that you have rea ched the
Adjusting the skid shoes
The space between the shave plate and the ground
can be adjusted.
For close snow removal on a smooth surface, lower
the skid shoes into a low position on the auger
housing.
Use a middle or higher position when the area to be
cleared is uneven. See Figure 13.
Adjust skid shoes by loosening the four hex nuts and
carriage bolts and moving 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.
Tire pressure
The tires are over inflated for shipping purposes.
Check tire pressure and reduce to 15 to 20 psi. Refer
to tire sidewalls for recommended tire pressure.
NOTE:
unit may pull to one side or the other.
If the tire pressure is not equal in both tires, the
Skid
Shoe
Hex
Carriage
Figure 13
Nuts
Bolts
High Position
Low Position
SECTION 4: KNOW YOUR SNOWTHROWER
Shift lever
The shift lever is located below the handle panel . The
shift lever may be moved into one of seven posi tions.
Run engine with throttle in the fast position. Use the
shift lever to determine ground speed. See Figure 14.
Forward—one of five speeds. Position number one
(1) is the slowest. Position number five (5) is the
fastest.
Reverse—two reverse speeds; R1 and R2. R2 is the
faster reverse speed.
Auger Control Clutch
Traction Control Clutch
Auger control clutch
The auger control clutch is located on the left handle.
Squeeze the clutch grip to engage the augers.
Release to stop the snow throwing action. See Figure
14.
Traction control clutch
The traction control clutch is located on the right
handle. Squeeze the traction control clutch to engage
the wheel drive. Release to stop. See Figure 14.
Chute directional control
The chute directional control is located on left hand
side of the snow thrower. See Figure 14.
To change the direction in whi ch snow is thrown, turn
chute directional control as follows:
•Crank clockwise to discharge to the left.
•Crank counterclockwise to discharge to the
right.
Chute Directional
Control
Shift Lever
Figure 14
Throttle control
The throttle control is located on the engine. It
regulates the speed of the engine. See Figure 15.
10
Safety ignition key
Switch
Spark
Plug
Box
Starter Button
Rope Starter
Handle
Ignition
Key
Choke
Primer
Throttle
Control
(Optional)
The ignition key must be inserted in the switch befo re
the unit will star t. Remove the ignition key when snow
thrower is not in use. See Figure 15.
Fuel cutoff valv e
The fuel cutoff valve, located under the fuel tank,
controls fuel flow from tank.
SECTION 5: OPERATING YOUR SNOW THROWER
When connecting the power cord, always connect cord
to starter on engine first, then plug the othe r end into a
three-hole grounded receptacle.
When disconnecting the power cord, always unplug
the end from the three-hole grounded receptacle first.
Starting engine
Closed
Open
Figure 15
Gas and oil fill-up
Service the engine with gasoline and oil as
instructed in the s eparate engine manual packed with
your snow thrower. Read instructions carefully.
WARNING: Never fill fuel tank indoors,
with engine running or while engine is
hot. Do not smoke when filling fuel tank.
Electric starter (optional)
WARNING: The opt ional electri c starter is equip ped
with a three-wire power cord and plug, and is designed
to operate on 120 vol t AC household current. It must
be properly grounded at all times to avoid the
possibility o f electric shock which may be in jurious to
the operator. Follow all instructions carefully.
Determine that your house wiring is a three-wire
grounded system. As k a licens ed electricia n if you a re
not certain. If your house wiring s ystem is not a threewire grounded system , do not use this electric starter
under any condit ions. If your system is grounded and
a three-hole receptacle is not available at the point
your starter will normally be used, one should be
installed by a licensed electrician.
IMPORTAN T:
augers) with the clutch grips disengaged, shut engine
off immediately. Readjust as instructed in the “Final
Adjustments” section of the Assembly Instructions.
Metal Loop
on Spark
Plug Wire
•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. See Figure 16.
•Make certain the fuel shut-off valve is in the open
(vertical) position.
•Make certain the auger control and traction control
clutch grips are in the disengaged (released)
position.
•Move throttle control up to FAST position. Insert
ignition key into slot. See Figure 15. Be certain it
snaps into place. Do not turn key.
•Rotate choke knob to FULL choke position (cold
engine star t).
•If engine is warm, place choke in OFF position
instead of FULL.
•Connect power cord to switch box on engine. Plug
the other end of power cord into a three-hole,
grounded 120 volt AC receptacle.
•Recoil Start Only: Push primer button two or three
times. If engine is warm, push primer button once
only. See Figure 15.
11
If unit shows any sign of motion (drive or
Rubber Boot
Figure 16
NOTE:
pushing. Additional prim ing may be necessary for first
start if temperature is below 15
•Electric Start: Push starter button on top of the
•Recoil Start: Grasp starter handle (see Figure 15)
•Repeat step 9 until engine starts. If engine fails to
•As engine warms up and begins to operate evenly,
Always cover ve nt hole in primer button when
o
F.
engine to crank the engine. When engine starts,
release starter button.
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.
start, repeat steps 8 and 9 until engine starts.
rotate choke knob slowly to OFF position. If engine
falters, return to FULL choke, then slowly move to
OFF position.
Stopping 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: Connect power cor d to switc h box on
engine, then to 120 volt AC receptacle. With the
engine running, push starter button and spin the
starter for several s econds. 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.
Recoil Starter: With engine running, pull starter rope
with a rapid, continuous full arm stroke three or four
times. Pulling the starter rope will produce a loud
clattering sound, whi ch is not har mful to the en gine or
starter.
•To stop engine, 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:
Engine will not start without the ignition key.
•Wipe all snow and moisture from the carburetor
Do not lose ignition key. Keep it in a safe place.
cover in the area of the control levers. Also, move
control levers back and forth several times. Leave
throttle control lever in the STOP or OFF position.
Leave choke control in the FULL choke position.
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 th e snow thro wer.
•Squeeze the auger clutch grip and the augers will
turn. Release it and the augers will stop.
•Squeeze the drive clutch grip and the snow thrower
will move. Release it and drive motion will stop.
•NEVER move shift lever without releasing drive
clutch.
To engage augers
To engage the augers and start the snow throwing
action, squeeze the auger clutch grip against the left
handle. Release to stop the augers.
Tire chains (optional equipmen t)
Tire chains should be us ed whenever extra traction is
needed.
Operating tips
NOTE:
as the engine will not develop full power until it reaches
operating temperature.
•For most efficient snow removal, remove snow
•Discharge snow downwind whenever possible.
•Set the skid shoes 1/4" below the scraper bar for
•Be certain to follow the precautions listed under ‘‘To
•Clean the snow thrower thoroughly after each use.
Allow the engine to warm up for a few minutes
WARNING: Temperature of muffler and
surrounding areas may exceed 150
degrees Fahrenheit. Avoid these areas.
immediately after it falls.
Slightly overlap each previous swath.
normal usage. The skid shoes may be adjusted
upward for hard-packed snow. Adjust downward
when using on gravel or crushed rock.
Stop Engine’’ to prevent possible freeze-up.
12
SECTION 6: MAKING ADJUSTMENTS
Friction
Wheel
Gear Shaft
Drive
Plate
WARNING: NEVER attempt to clean
chute or make any adjustments while
engine is running.
Chute assembly adjustment
The distance snow is thrown can be controlled by
adjusting the angle of the top section of the chute
assembly.
Skid shoe ad justment
The space between the shave plate and the ground
can be adjusted. Refer to the Final Assembly and
Adjustments section.
Tr action control clutch adjustment
Refer to the Final Assembly and Adjustments section
to adjust the traction control clutch. If you are
uncertain that you have reached the correct
adjustment, the adjustment can be physi cally checked
as follows.
•With the snow thrower tipped forward (be certain to
drain the oil and gasoline or drain the oil and place
plastic film under the gas cap if the snow thrower
has already been operated), remove the frame
cover underneath the snow thrower by removing six
self-tapping screws.
•With the traction control clutch released, there must
be clearance between the friction wheel and the
drive plate in all positions of the shift lever. With the
traction control clutched engaged, the friction wheel
must contact the drive plate. See Figure 17.
•If adjustment is necessary, loosen the lock nut on
the traction control cable and thread the cable in or
out as necessary. Tighten the lock nut to secure the
cable when correct adjustment is reached.
Reassemble the frame cover.
NOTE:
certain to remove it.
If you placed plastic under the gas cap, be
Auger clutch adjustment
To adjust the auger clutch, refer to Final Assembly and
Adjustments section.
Carburetor adjustment
WARNING: If any adjustments are made
to the engine while the engine is running
(e.g. carburetor), keep clear of all moving
parts. Be careful of heated surfaces and
muffler.
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude and load.
Refer to the separate engine m anual pac ked with yo ur
unit for carburetor adjustment information.
Drive wheels
The wheels may be adjuste d for two diff erent methods
of operation. The adjustment is made by placing the
klick pins in one of two diffe rent hol es on the r ight s ide
of the unit. See Figure 18.
•One Wheel Driving—On the right side of the unit,
place klick 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.
•Both Whe els Dr iving— Rotat e whee l asse mbly t o
align hole in hub with inner hole on axle shaft. Insert
klick pin in hole. Outer axle shaft hole should be
visible. See Figure 18.
Klick Pin in Hub
and Inner
Hole
Axle
Hole
Figure 17
Outside
Hole in Axle
Figure 18
13
SECTION 7: MAINTAINING YOUR SNOW THROWER
Oil Bearings
or Spray Lubricant
Axle
Klick
Pin
WARNING: Disconnect the spark plug
wire and ground against the engine
before performing any repairs or
maintenance.
Engine
Refer to engine manual for engine lubrication
instructions.
WARNING: When following instruct-
ions in separate engine manual for
draining oil, be sure to protect frame to
avoid oil dripping onto transmission
parts.
Wheels
Oil or spray lubrica nt into bearings at wheels at le ast
once a season. Pull klick pin, remove wheels, clean
and coat axles with a m ultipu rpos e automo tive grea se .
See Figure 19.
Auger shaft
Remove shear bolts on auger shaft. Oil or spray
lubricant inside shaft. See Figure 20.
Shear Bolts
Bearings
Figure 20
Bearings
Gear shaft
Lubricate the gear shaft with a good all-weather multipurpose light grease at least once a season or after
every 25 hours of operation.
IMPORTAN T:
wheel and drive plate.
Keep all grease and oil off of the friction
Figure 19
Chute directional contr ol
The worm gear on the chute direction cr ank should be
greased with multipurpose automotive grease.
Drive and shifting mechanism
Remove rear cover. Oil any chains, sprockets, gear s,
bearings, shafts, and shi fting mecha nism at least once
a season. Use engine oil or a spray lubricant. Avoid
getting oil on rubb er friction wheel and aluminum drive
plate.
Gear case
The worm gear case has been filled with grea se at the
factory. If disassembled for any reason, lubricate with
2 ounces of Shel l Alva nia grease EPR0 0, part n umber
737-0168. Before reassembling, remove old sealant
and apply “Loctite 5699” or equivalent.
IMPORTANT:
the seals could result. Be sure the vent plug is free of
grease in order to relieve pressure.
Do not overfill the gear case. Damage to
14
SECTION 8: SERVICE
WARNING: Disconnect the spark plug
wire and ground against the engine
before performing any repairs or
maintenance.
Engine
Refer to separate engine manual for all engine
maintenance procedures.
Augers
The augers are secured to the spiral shaft with two
shear bolts and hex loc k n uts . S ee Figu re 20. If you hit
a foreign object or ice jam, the snow thrower is
designed so that the bolts will shear.
If the augers will not turn, check to see if the bolts
have sheared. A repla cement shear bolt and hex lock
nut have been pr ovided with the snow thr ower. When
replacing bolts, spra y an oil lubricant into shaft befo re
inserting new bolts.
Shave plate and skid shoes
The shave plate and skid shoe s on the bottom of the
snow thrower are subject to wear. They should be
checked periodically and replaced when necessary.
• To remove skid shoes, remove the four c arriage
bolts, cupped washers and hex nuts which
attach them to the snow thrower. Reassemble
new skid shoes with the four carriage bolts,
cupped washers (cu pped s ide go es aga inst skid
shoes) and hex nuts.
• To remove shave plate, remove the carriage
bolts, cupped washers and hex nuts which
attach it to the snow thrower housing.
Reassemble new shave plate, making sure
heads of the carriage b olts are to the inside of
the housing. Tighten securely.
Belt removal and r eplacement
WARNING: Remove the spark plug wire
from the spark plug and ground. Drain
gasoline from the fuel tank, or place a
piece of plastic film underneath the gas
cap to prevent gasoline from leaking.
Auger belts
•Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
See Figure 21.
Self-Tapping
Drive
Belt
Screws
Engine
Pulley
Front
Auger
Belt
Belt
Cover
Figure 21
•Drain the gasoline from the snow thrower, or place
a piece of plas tic un der t he ga s cap.
•Tip the snow thrower up and forward so that it rest
on the housing.
•Remove six self-tapping screws from the frame
cover underneath the snow thrower.
•Roll the front and rear auger belts off the engine
pulley. See Figure 22.
NOTE:
•Unhook the idler spring from the hex bolt on the
5.0 HP model has only one auger belt.
auger housing. See Figure 23.
Rear Auger
Belt
Idler
Pulley
Engine
Pulley
Idler
Pulley
15
Figure 22
•Unhook the support bracket spring from the frame.
Pin
Friction Wheel
Assembly
Frame
Auger
Belt
Auger
Pulley
Idler
Spring
Auger
Housing
Support
Bracket
Spring
Support
Bracket
Gear
Shaft
NOTE:
It may be necessary to loos en the six nuts tha t
connect the frame to the auger housing to aid in belt
removal.
•Lift the rear auger belt from the auger pulley, and
slip belt between the support bracket and the auger
pulley. See Figure 22. Repeat this step for the front
auger belt.
•Replace both auger control belts by following
instructions in reverse order.
Figure 23
Drive belt
•Follow step s 1 throug h 4 of previo us instr uctions .
•Pull idler pulley up, and lift belt off engine pulley and
friction wheel disc. See Figure 22.
•Using an adjus tabl e wr ench, loos en th e nut on t he
stop bolt until the support bracket rest on the auger
pulley. See Figure 24.
•Slip belt between friction wheel and friction wheel
disc. See Figure 24. Remove and replace belt.
Reassemble, following the instructions in reverse
order.
NOTE:
after the new belt has been assembled. See Figure 24.
The support bracket must res t on the stop bolt
Friction
Wheel
Disc
Stop
Bolt
Friction Wheel
Drive Belt
Support Bracket
Figure 24
Changing the friction wheel rubber
The rubber on the friction wheel is subjec t to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel
rubber if any signs of wear or cracking are found.
•Drain the gasoline from the snow thrower, or place
a piece of plas tic un der t he ga s cap.
•Tip the snow thrower up and forward, so that it rest
on the housing.
•Remove six self-tapping screws from the frame
cover underneath the snow thrower.
•Remove the klick pins which secure the wheels,
and remove the wheels from the axle.
•Using an adjustable 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 25.
•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 shaft.
•Slide the gear shaft to the right, then slide the
friction wheel assembly from the shaft.
•Remove the six screws from the friction wheel
assembly (three from each side). Remove the
friction wheel rubber from between the friction
wheel plate.
•Reassemble new friction wheel rubber to the
friction wheel assemb ly, tight ening the s ix screws in
rotation and with equal force.
•Slide fri ctio n whee l asse mbly b ack on to t he gea r
shaft. Be sure to align the pin on the shift rod with
the hole in the f rictio n wheel asse mbly. See Figure
23. Reassemble in reverse order.
16
Figure 25
Hex Nut
Bell Washer
SECTION 9: OFF-SEASON STORAGE
Warning: Never store engine with fuel
in tank indoors or in poorly ventilated
areas, where fuel fumes may reach an
open flame, spark or pilot light as on a
furnace, water heater, clothes dryer or
other gas appliance.
•If unit is to be stored over 30 days, prepare engine
for storage as instructed in the separate engine
manual included with your unit.
•Remove all dirt from exterior of engine and
equipment.
•Follow lubrication recommendations in section 9.
•Store in a clean, dry area.
NOTE:
an unventilated or metal sto rage shed, care should be
taken to rust proof the equipment. Using a ligh t oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
When storing any typ e of power equipment in
17
SECTION 10: TROUBLE SHOOTING GUIDE
TroublePossible Cause(s)Corrective Action
Engine fails to start Fuel tank empty, or stale fuel.
Blocked fuel line.
Choke not in ON position
Faulty spark plug.
Key not in switch on engine.
Spark plug wire
disconnected.
Primer button not depressed.
Fuel shut-off valve closed
(if so equipped).
Improper gasoline and oil
mixture.
Engine runs erratic Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
Loss of powerSpark plug wire loose.
Gas cap vent hole plugged.
Exhaust port plugged.
Engine overheatsCarburetor not adjusted
properly.
Excessive vibration Loose parts or damaged
auger.
Unit fails to propel
itself
Unit fails to
discharge snow
Incorrect adjustment of drive
cable.
Drive belt loose or damaged.
Discharge chute clogge d.
Foreign object lodged in
auger.
Incorrect adjustment of drive
cable.
Drive belt loose or damaged.
Fill tank with clean, fresh gasoline. Fuel will not last over thirty
days unless a fuel stabilizer is used.
Clean fuel line.
Move switch to ON position
Clean, adjust gap or replace.
Insert key.
Connect spark plug wire.
Refer to the engine manual packed with your unit.
Open fuel shut-off va lve .
Refer to the engine manual packed with your unit.
Move choke lever to OFF posi tion.
Clean fuel line; fill tank wi th clean fresh g asoli ne. Fue l will not last
over thirty days unless a fuel stabi lizer is used .
Drain fuel tank. Refill with fresh fuel.
Refer to the engine manual packed with your unit or have
carburetor adjusted by an authorized service d ealer.
Connect and tighten spark plug wire.
Remove ice and snow from cap. Be certain vent hole is clear.
Clean-see Maintenance section of engine manual.
Refer to the engine manual packed with your unit or have
carburetor adjusted by an authorized service d ealer.
Stop engine immediately and disconne ct spark plug wire. T ighten
all bolts and nuts. Make all necessary repairs. If vibration
continues, have unit serviced by an authorized service dealer.
Adjust drive cable. Refer to Adjustment section of this manual.
Replace drive belt. Refer to Belt Replacement in Maintenance
section of this manual.
Stop engine immediately and disconnect spark plug wire. Clean
discharge chute and inside of auger housing.
Stop engine immediately and disconnect spark plug wire.
Remove object from auger.
Adjust drive cable. Refer to Adjustment section of this manual.
Replace drive belt. Refer to Belt Replacement in Maintenance
section of this manual.
Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer.
18
SECTION 11: PARTS LIST FOR MODELS 615E THROUGH E665E
16
1
3
7
12
9
5
8
13
10
15
14
4
2
11
17
6
REF.
NO.
1618-0123Housing—R.H.
2710-0642Hex Screw 1/4-20 x .75
11736-0188Flat Washer
12784-5689AFront Support Guide Bracket
13710-0538Lock Hex Screw
14736-0242Bell Washer .340 ID x .872 OD
15714-0474Cotter Pin
16736-0160Flat Washer .536 ID x .930 OD
17710-0788Hex Washer Screw 1/4-20
18784-5590Frame Shift Bracket
19784-5638Frame Cover
20710-0599Hex Washer Screw 1/4-20
21736-0351Flat Washer .760 ID x .50 OD
E6A5E13 x 5734-1714734-1527734-0255734-1713714-0143
E64513 x 5734-1714734-1527734-0255734-1713714-0143
E66513 x 5 734-17 14734-1527734-0255734-1713714-0143
REF. NO. 2
TIRE
ONL Y
25
1
4
3
REF. NO. 3
AIR
VALVE
5
REF. NO. 4
RIM
ONL Y
REF. NO. 5
SLEEVE
BEARING (2)
Model 615
15
13
12
11
10
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.
1
2
3
4
8
9
5
16
20
16
22
23
24
25
REF.
NO.
PART
NO.DESCRIPTION
1710-1652Hex Washer Screw 1/4-20 x.5
2731-1324Belt Cover
3732-0339Extension Spring
4710-0627Hex Screw 5/16-24 x .75
5710-3005Hex Cap Screw 3/8-16 x 1.25
605896ADrive Clutch Bracket
7748-0234Shoulder Spacer
8756-0985Pulley Half
9754-0343V-Belt
10756-0984Pulley Half
11736-0270Bell Washer
12710-0230Hex Cap Screw 1/4-28 x .50
13756-0313Flat Idler
21
19
4
7
6
14
17
18
26
REF.
NO.
PART
NO.DESCRIPTION
14710-1245Lock Cap Screw 5/16-24
15712-0181Lock Jam Nut 3/8-16
16756-0569Pulley Half
17736-0242Bell Washer
18736-0505Flat Washer
19736-0507Washer
20754-0430ABelt
21756-0967Auger Pulley
22736-0247Flat Washer
23736-0331Bell Washer
24710-0696Hex Cap Screw 3/8-24
25748-0360Pulley
26710-0654AHex Washer Screw 3/8-16 x 1.0
26
Models E6A5E, E645E and E665E
27
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.
1
2
3
12
16
15
20
REF.
NO.
26
22
23
21
24
16
19
16
19
16
PART
NO.DESCRIPTION
1710-1652Hex Washer Screw 1/4-20 x .50
2731-1324Belt Cover
3732-0710Extensio n Spring
4710-0627Hex Screw 5/16-24 x .75
5710-3005Hex Cap Screw 3/8-16 x 1.25
605896ADrive Clutch Idler Bracket
7748-0234Shoulder Spacer
8756-0987Pulley Half
9754-0346V-Belt
10756-0986Pulley Half
11736-0270Bell Washer
12710-0230Hex Cap Screw 1/4-28 x .50
13756-0313Flat Idler
14710-1245Lock Hex Cap Screw 5/16-24
11
10
4
8
9
4
13
14
17
18
20
REF.
NO.
5
7
6
25
PART
NO.DESCRIPTION
15712-0181Lock Jam Nut 3/8-16
16756-0569Pulley Half
17736-0242Bell Washer
18736-0505Flat Washer
19754-0430ABelt
20756-0967Auger Pulley
21736-0247Flat Washer 3/8 x 1.25 OD
22736-0331Bell Washer
23710-0696Hex Cap Screw 3/8-24
24748-0360Adapter Pulley
25710-0654AHex Scre w 3/8- 16 x 1.0
26629-0071Extension Cord
27OEM-390-987Electric Start
27
MANUFACTURER’S LIMITED WARRANTY FOR:
The limited warranty set forth below is given by MTD
PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories.
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
material 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 na tura l di sa ste r. Damage resulting from the
installation or use of any accessory or attachment not
approved by MTD Products Inc. for use with the product(s)
covered by this manual will void your warranty as to any
resulting damages.
Normal wear parts or components thereof are subject to
separate terms as follows: All normal wear part 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 material or workmanship of
OTHER component parts. Normal wear parts and components include, but are not limited to, belts, blades, blade
adapters, grass bags, rider deck wheels, seats, snow
thrower skid shoes, shave plates and tires. Batteries are
covered by a 90-day limited replacement warranty.
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, please check for a listing in the Yellow
Pages or contact the Customer Service Department of
MTD PRODUCTS INC by calling 1-800-800-7310 or writ ing to P.O. Box 368022, Cleveland, Ohio 44136-9722. No
product returned directly to the factory will be accepted
unless prior written permission has been extended by the
Customer Service Department of MTD PRODUCTS INC.
This limited warranty does not provide coverage in the
following cases:
a.The engine or component parts thereof. These items
carry a separate manufacturer’s warranty. Please
refer to the applicable manufacturer’s warranty on
these items.
b.Routine maintenance items such as lubricants, filters,
blade sharpening and tune-ups, or adjustments such
as brake adjustments, clutch adjustments or deck
adjustments; and normal deterioration of the exterior
finish due to use or exposure.
c. Log splitter pumps, valves and cylinders have a sepa-
rate one year warranty.
d.MTD does not extend any warranty for products sold
or exported outside of the U nited States of A merica,
its possessions and territories, except those sold
through MTD’s authorized channels of export distribution.
No implied warranty, including any implied warranty of
merchantability or 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 or guaranty, whether written or oral,
except as mentioned above, given by any person or
entity , i nclu ding a dea ler 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. (Some states do not
allow limitations on how long an implied warranty lasts, so
the above limitation may not apply to you.)
The provisions as set forth in this W arran ty provide the
sole and exclusive remedy arising from the sales. MTD
shall not be liable for incidental or consequential loss
or damages including, without limitation, expenses
incurred for substitute or replacement lawn care services, for transportation or for related expenses, or for
rental expenses to temporarily replace a warranted
product. (Some states do not allow the exclusion or limita-
tion of incidental or consequential damages, so the above
exclusion or limitation may not apply to you.)
In no event shall recovery of any kind be greater than the
amount of the purchase p rice of the prod uct so ld. Alte ration
of the 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 use or misuse or inability to use
the product.
This limited warranty shall not extend to anyone other than
the original purchaser, original lessee or the person for
whom it was purchased as a gift.
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.
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