Troy-Bilt 769-03244 User Manual
Safety • Assembly • Operation • Adjustments • Maintenance • Troubleshooting • Parts Lists • Warranty
OPERATOR’S MANUAL
Two-Stage Snow Thrower
IMPORTANT:
READ SAFETY RULES AND INSTRUCTIONS
CAREFULLY BEFORE OPERATING EQUIPMENT.
PRINTED IN U.S.A. MTD Products Ltd., P. O. Box 1386, KITCHENER, ONTARIO N2G 4J1
769-03244
6/4/07
This Operator’s Manual is an important part of your new snow thrower. It will help you assemble,
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prepare and maintain the unit for best performance. Please read and understand what it says.
Table of Contents
Safety Labels ......................................................3
Safe Operation Practices ................................... 4
Setting Up Your Snow Thrower .......................... 6
Operating Your Snow Thrower ........................... 8
MakingAdjustments .........................................12
Finding and Recording Model Number
BEFORE YOU START ASSEMBLING
YOUR NEW EQUIPMENT,
please locate the model plate on the equipment and copy the
model number and the serial number to the sample model
plate provided to the right. You can locate the model plate by
standing at the operating position and looking down at the
frame.
Maintaining Your Snow Thrower ...................... 14
Off-Season Storage .......................................... 18
Trouble Shooting .............................................. 19
Warranty ............................................................ 20
Illustrated Parts Lists ....................................... 21
Customer Support
Please do
If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit,
you can seek help from the experts. Choose from the options below:
1. Visit www.mtdcanada.ca for many useful suggestions, click on Customer Support button.
2. Call a Customer Support Representative at 1-800-668-1238.
3. The engine manufacturer is responsible for all engine-related issues in terms of performance, power-rating, specifications,
warranty, and service. Depending on the engine manufacturer, more information is included in this publication or packed
separately with this product.
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.
NOT
return the unit to the retailer from which it was purchased,
without first contacting Customer Support.
2
#3
Chute Clean-out
Tool
A chute clean-out tool is fastened to the top
of the auger housing with a mounting clip. The
tool is designed to clear a chute assembly of
ice and snow.
This item is fastened with a cable tie at the
factory. Cut the cable tie before operating the
snow thrower.
WARNING: Never use your
hands to clear a clogged chute
assembly. Shut off engine and
remain behind handles until
all moving parts have stopped
before using the clean-out tool
to clear the chute assembly.
1
Safety
Labels
WARNING
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!
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.
3
WARNING: Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to State of California to cause cancer and
birth defects or other reproductive harm.
2
Safe
Operation
Practices
WARNING
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!
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: This machine was built to be operated according to the safe operation practices 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.
Training
1. Read, understand, and follow all instructions on the
machine and in the manual(s) before attempting to
assemble and operate. Keep this manual in a safe place for
future and regular reference and for ordering replacement
parts.
2. Be familiar with all controls and their proper operation.
Know how to stop the machine and disengage them quickly.
3. Never allow children under 14 years old to operate this
machine. Children 14 years old and over should read and
understand the instructions and safe operation practices
in this manual and on the machine and be trained and
supervised by an adult.
4. Never allow adults to operate this machine without proper
instruction.
5. Thrown objects can cause serious personal injury. Plan
your snow-throwing pattern to avoid discharge of material
toward roads, bystanders and the like.
6. Keep bystanders, helpers, pets and children at least 75 feet
from the machine while it is in operation. Stop machine if
anyone enters the area.
7. Exercise caution to avoid slipping or falling, especially
when operating in reverse.
Preparation
1. Thoroughly inspect the area where the equipment is to be
used. Remove all doormats, newspapers, sleds, boards,
wires and other foreign objects, which could be tripped
over or thrown by the auger/impeller.
2. Always wear safety glasses or eye shields during
operation and while performing an adjustment or repair
to protect your eyes. Thrown objects which ricochet can
cause serious injury to the eyes.
3. Do not operate without wearing adequate winter outer gar
ments. Do not wear jewelry, long scarves or other loose
clothing, which could become entangled in moving parts.
Wear footwear which will improve footing on slippery
surfaces.
4. Use a grounded three-wire extension cord and receptacle
for all units with electric start engines.
5. Adjust collector housing height to clear gravel or crushed
rock surfaces.
6. Disengage all control levers before starting the engine.
7. Never attempt to make any adjustments while engine is
running, except where specifically recommended in the
operator’s manual.
8. Let engine and machine adjust to outdoor temperature
before starting to clear snow.
Safe Handling of Gasoline
To avoid personal injury or property damage use extreme care
in handling gasoline. Gasoline is extremely flammable and the
vapors are explosive. Serious personal injury can occur when
gasoline is spilled on yourself or your clothes, which can ignite.
Wash your skin and change clothes immediately.
a. Use only an approved gasoline container.
b. Extinguish all cigarettes, cigars, pipes and other sources
of ignition.
c. Never fuel machine indoors.
d. Never remove gas cap or add fuel while the engine is hot
or running.
e. Allow engine to cool at least two minutes before refuel
ing.
f. Never over fill fuel tank. Fill tank to no more than ½ inch
below bottom of filler neck to provide space for fuel
expansion.
g. Replace gasoline cap and tighten securely.
h. If gasoline is spilled, wipe it off the engine and equip
ment. Move machine to another area. Wait 5 minutes
before starting the engine.
i. Never store the machine or fuel container inside where
there is an open flame, spark or pilot light (e.g. furnace,
water heater, space heater, clothes dryer etc.).
j. Allow machine to cool at least 5 minutes before storing.
-
-
-
4
Operation
1. Do not put hands or feet near rotating parts, in the
auger/impeller housing or chute assembly. Contact with the
rotating parts can amputate hands and feet.
2. The auger/impeller control lever is a safety device. Never
bypass its operation. Doing so makes the machine unsafe
and may cause personal injury.
3. The control levers must operate easily in both directions
and automatically return to the disengaged position when
released.
4. Never operate with a missing or damaged chute assembly.
Keep all safety devices in place and working.
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.
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 operat
ing 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
backing up.
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 control 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 chute assembly, 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 chute assembly while engine
is running. Shut off engine and remain behind handles until
all moving parts have stopped before unclogging.
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. Call customer assistance for the
name of your nearest servicing dealer.
Maintenance & 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 control levers and stop the 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 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 neces
sary.
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.
11. Always refer to the operator’s manual for proper instructions
on off-season storage.
Do not modify engine
To avoid serious injury or death, do not modify engine in any
way. Tampering with the governor setting can lead to a runaway
engine and cause it to operate at unsafe speeds. Never tamper
with factory setting of engine governor.
Notice regarding Emissions
Engines which are certified to comply with California and federal
EPA emission regulations for SORE (Small Off Road Equipment)
are certified to operate on regular unleaded gasoline, and may
include the following emission control systems: Engine Modification (EM) and Three Way Catalyst (TWC) if so equipped.
Average Useful Life
According to the Consumer Products Safety Commission
(CPSC) and the U.S. Environmental Protection Agency (EPA),
this product has an Average Useful Life of seven (7) years, or
60 hours of operation. At the end of the Average Useful Life,
buy a new machine or have the machine inspected annually by
an authorized service dealer to ensure that all mechanical and
safety systems are working properly and not worn excessively.
Failure to do so can result in accidents, injuries or death.
2
Safe
Operation
Practices
WARNING
-
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
IT’S WARNING!
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.
5
3
Setting Up
Your Snow
Thrower
NOTE: References to
right or left side of the
snow thrower are determined from behind the
unit in the operating
position.
NOTE: This Operator’s
Manual covers several
models, handle panels,
lights and chute cranks
are some features that
may vary by model.
Not all features referenced in this manual
are applicable to all
snow thrower models.
Figure 3-2
Figure 3-1
1. Observe the lower rear area of the snow thrower to
be sure both cables are aligned with roller guides.
Pull up and back on the upper handle, align the
upper handle with the lower handle. See Figure 3-1.
2. Secure the handle by tightening the plastic wing
knob located on both the left and right sides of the
handle. Remove and discard any rubber bands, if
present. They are for packaging purposes only. See
Figure 3-2.
3. Position the chute assembly over the base, seated
securely on adapter. See Figure 3-3.
4. Close the flange keepers to secure the chute
assembly to the chute base. The flange keepers will
click into place when properly secure. See Figure
3-4.
Figure 3-3
NOTE: If the flange keepers will not easily click into
place, use the palm of your hand to apply swift, firm
pressure to the back of each.
NOTE: Two replacement auger shear pins
are included with this
manual (or stowed
in the plastic handle
panel). Refer to Augers
in the Maintainance
Section for more
information regarding
shear pin replacement.
5. Remove the flat washer and hairpin clip from the end
of the chute directional control. See Figure 3-5.
Insert the end of the chute directional control into
the lower bracket and secure with the flat washer
and hairpin clip just removed. If necessary, the lower
bracket can be adjusted. Refer to Chute Bracket Adjustment, in the Adjustment Section of this manual.
IMPORTANT: Prior to operating your snow thrower,
refer to Auger Control Test on page 11. Read and follow
all instructions carefully and perform all adjustments
to verify your snow thrower is operating safely and
properly.
Figure 3-4
6
Figure 3-5
Clean-Out
Tool
3
Setting Up
Your Snow
Thrower
Figure 3-6
Clean-Out Tool
WARNING: Never use your hands
to clear a clogged chute assembly. Shut off engine and remain
behind handles until all moving
parts have stopped before unclogging.
The clean-out tool is mounted to the rear of the auger
housing and is designed to clear a clogged chute. Refer
to page 9 for instructions on how to properly use it.
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.
Tire Pressure (Pneumatic Tires)
The tires are over-inflated for shipping purposes. Check
the tire pressure before operating the snow thrower. Refer
to the tire side wall for tire manufacturer’s recommended
psi and deflate (or inflate) the tires as necessary.
NOTE: If the tire pressure is not equal in both tires, the
unit may not travel in a straight path and the shave plate
may wear unevenly.
Lamp Wiring Harness (If equipped)
The post on the cable tie attaching the lamp wiring harness to the lower handle should be plugged into the hole
in the lower handle. Pull the slack portion of the wiring
harness through the cable tie to prevent interference with
the recoil starter handle. See Figure 3-7.
Drift Cutters (If Equipped)
Drift cutters should be used when operating the snow
thrower in heavy drift conditions.
• On models so equipped, drift cutters and hardware
are assembled to the auger housing inverted.
• Remove the carriage bolts and wingnuts securing the
drift cutters to the housing.
• Reposition drift cutters so they face forward as shown
in Figure 3-8. Secure with hardware previously
Figure 3-7
Figure 3-8
removed, wingnuts should be fastened on the
outside of the housing as shown.
If your unit is not equipped with drift cutters, you may
contact Customer Support as instructed on page 2 for
information regarding price and availability.
Snowthrower Model Drift Cutter Kit:
All models OEM-390-679
Never use your hands
to clean snow and
ice from the chute
assembly or auger
housing.
IMPORTANT
Prior to operating your
snow thrower, refer
to Auger Control Test
on page 11. Read and
follow all instructions
carefully and perform
all adjustments to verify
your snow thrower is
operating safely and
properly.
IMPORTANT
Under any circumstance do not exceed
manufacturer’s recommended psi. Equal tire
pressure should be
maintained at all times.
Excessive pressure
when seating beads
may cause tire/rim
assembly to burst
with force sufficient to
cause serious injury.
Refer to sidewall of
tire for recommended
pressure.
7
4
Engine Controls
Recoil Starter
Handle
Electric Starter Outlet
Primer
Ignition
Key
Choke
Control
Throttle
Control
Drive Control
Headlight
Fuel Tank
Gas Cap
Oil Fill
Electric Start Button
Chute
Assembly
Clean-Out
Tool
Auger Control
Shift Lever
Two-Way Chute Control™
(optional)
Chute Directional
Control (optional)
Skid Shoe
34/0
Operating
Your Snow
Thrower
WARNING
Read, understand,
and follow all instructions and warnings
on the machine and
in this manual before
operating.
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.
Know Your Snow Thrower
Figure 4-1
Now that you have set up your snow thrower
for operation, get acquainted with its controls
and features. These are described below and
illustrated in Figure 4-1. This knowledge will
allow you to use your new equipment to its
fullest potential.
NOTE: For detailed starting instructions and more
information on all engine controls, refer to the engine
manual packed with your unit.
Shift Lever
The shift lever is located on the right
side of the handle panel. Place the
shift lever into any of eight positions to
control the direction of travel and ground
speed.
Forward
Your snow thrower has six forward (F)
speeds, with position number one (1)
being the slowest speed.
Reverse
Your snow thrower has two reverse (R)
speeds, with position number one (1)
being the slower speed.
Choke Control
The choke control is found on the rear of the engine and
is activated by rotating the knob clockwise. Activating the
choke control closes the choke plate on the carburetor
and aids in starting the engine.
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.
Primer
Depressing the primer forces fuel directly
into the engine’s carburetor to aid in
cold-weather starting.
Oil Fill
Engine oil level can be checked and oil
added through the oil fill.
8
Auger Control
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The auger control is located on the left handle. Squeeze
the control grip against the handle to engage the augers
and start snow throwing action. Release to stop.
Drive Control/ Auger Control Lock
The drive control is located on the right handle. Squeeze
the control grip against the handle to engage the wheel
drive. Release to stop.
The drive control also locks the auger control so you can
operate the chute directional control without interrupting
the snow throwing process. If the auger control is engaged simultaneously with the drive control, the operator
can release the auger control (on the left handle) and
the augers will remain engaged. Release both controls to
stop the augers and wheel drive.
IMPORTANT: Always release the drive control before
changing speeds.
Two-Way Chute Control™ (optional)
This two-way control lever is meant to control the
distance of snow discharge from the chute. Tilt the lever
forward or rearward to adjust the distance snow will be
thrown.
• To change the angle /distance which snow is thrown,
pivot the joy-stick forward or backward.
Chute Directional Control (optional)
The chute directional control is located on left side of the
snow thrower.
To change the direction in which snow is thrown, turn
chute directional control as follows:
• Crank clockwise to discharge to the left.
• Crank counterclockwise to discharge to the right.
Ignition Key
The ignition key must be inserted and snapped in place
in order for the engine to start. Remove the ignition key to
prevent unauthorized use of equipment. Do NOT attempt
to turn the key.
Chute Clean-Out Tool
The clean-out tool is conveniently fastened to the rear of
the auger housing with a mounting clip.
1. Release both the auger control and the drive/auger
control lock.
2. Stop the engine by moving the throttle to the stop
position.
3. Remove the clean-out tool from the mounting clip.
4. Use the shovel-shaped end of the clean-out tool to
remove any snow and ice in the chute assembly.
5. Re-fasten the clean-out tool to the mounting clip on
the rear of the auger housing and restart engine.
6. While standing in the operator’s position (behind the
snow thrower), engage the auger control for a few
seconds to clear any remaining snow or ice from the
chute assembly before continuing to clear snow.
WARNING: Never use your hands to
clean snow and ice from the chute
assembly or auger housing.
Skid Shoes
Position the skid shoes based on surface conditions.
Adjust upward for hard-packed snow. Adjust downward
when operating on gravel or crushed rock surfaces. See
“Making Adjustment” Section.
Augers
When engaged, the augers rotate and draw snow into the
auger housing.
4
Operating
Your Snow
Thrower
WARNING
The operation of
any snow thrower
can result in foreign
objects being thrown
into the eyes, which
can damage your
eyes severely. Always
wear safety glasses
while operating the
snow thrower, or while
performing any adjustments or repairs on it.
Be sure no one other
than the operator is
standing near the snow
thrower while starting
engine or operating
snow thrower. Never
run engine indoors or
in enclosed, poorly
ventilated areas. Engine exhaust contains
carbon monoxide, an
odorless and deadly
gas. Keep hands, feet,
hair and loose clothing
away from any moving
parts on engine and
snow thrower.
9
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