Troy-Bilt 7524 User Manual
Operator’s Manual
Snow Thrower Models
7524—Storm
8526—Storm
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 servi ce
department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
FORM NO
PRINTED IN U.S.A.
769-00394A.fm
.
(9/2002)
TABLE OF CONTENTS
Content Page
Important Safe Operation Practices ........................................................................ 3
Assembling Your Snow Thrower ............................................................................. 5
Know Your Snow Thrower....................................................................................... 6
Operating Your Snow Thrower................................................................................ 8
Making Adjustments................................................................................................ 10
Maintaining Your Snow Thrower ............................................................................. 12
Servicing Your Snow Thrower................................................................................. 14
Off-Season Storage................................................................................................. 16
Troubleshooting ...................................................................................................... 17
Parts List ................................................................................................................. 18
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 rear frame below the engine. 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)
www.troybilt.com
(Serial Number)
TROY-BILT LLC
P. O. BOX
CLEVELAND, OH 44136
330-558-7220
866-840-6483
361131
Copy the model number here:
Copy the serial number here:
ENGINE INFORMATION
The engine manufacturer is responsible for all engine-related issues with regard to performance, power-rating,
specifications, warranty and service. Please refer to the engine manufacturer’s Owner’s/Operator’s Manual packed
separately with your unit for more information.
CALLING CUSTOMER SUPPORT
Please do NOT return the unit to the retailer from which it was purchased, without first contacting Customer Support.
Should 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) 558-7220 or 1- (866) 840-6483 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.
For more details about your unit, visit our website at www.troybilt.com
2
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.
.
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 operation instructions and safety rules in
this manual and should be trained and supervised by a
parent.
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
garments. 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 clutch 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.
9. 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
refueling.
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
equipment. 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.
OPERATION
1. Do not put hands or feet near rotating parts, in the auger/
impeller housing or discharge chute. Contact with the
rotating parts can amputate hands and feet.
2. The auger/impeller clutch lever is a safety device. Never
bypass its operation. Doing so makes the machine
unsafe and may cause personal injury.
3. The clutch levers must operate easily in both directions
and automatically return to the disengaged position when
released.
3
4. Never operate with a missing or damaged discharge
chute. 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
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.
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 (866) 840-6483 for
assistance and the name of your nearest servicing
dealer.
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.
11. Always refer to the operator’s manual for proper
instructions on off-season storage.
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. The
safety labels are shown below for your reference.
4
SECTION 2: ASSEMBLING YOUR SNOW THROWER
NOTE: All references to right or left side of the snow
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.
Loose Parts
• 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.
Wing Nut
Shear Bolts
Figure 1
IMPORTANT:
standard hex bolts. Any damage to the auger gearbox
or other components from standard hex bolts will not be
covered by your snow thrower’s warranty.
NEVER replace the auger shear bolts with
Hex Lock
Nuts
Assembling Handle
WARNING: Disconnect the spark plug
wire and ground it against the engine to
prevent unintended starting.
IMPORTANT:
Page 10, before operating your snow thrower. Failure
to follow these instructions may cause damage to the
snow thrower.
• Remove the lower plastic wing nut, cupped washer
and carriage bolt from each side of the lower
handle. See Figure 2.
• Pivot the upper handle assembly forward until it
locks over the lower handle. See Figure 2.
• Secure the upper handle and lower handle with the
two plastic wing nuts, bell washers and carriage
bolts previously removed from the lower hole.
• Firmly tighten all four wing nuts to secure the upper
handle to the lower handles.
Make any adjustments, as instructed on
Figure 2
Shift Rod
Connector
Carriage
Bolt
Bell Washer
Wing Nut
Figure 3
• Slide the shift rod connector down over the end of
the lower shift rod. Tap the connector until it locks
over the lower shift rod. See Figure 3.
NOTE: If the connector is not properly assembled, the
shift rod will pivot and you will not be able to change
speeds or change directions.
5
Attaching Chute Directional Control
• Remove the hairpin clip from the upper chute crank
and slide the upper chute crank through the bracket
and into the lower chute crank. See Figure 4.
• Align the two holes on both chute cranks and insert
the hairpin clip removed earlier, through these
holes. See Figure 4.
Upper Chute Crank
Discharge Chute
Cable Guide
Upper
Chute Crank
Bracket
Hairpin Clip
Lower Chute Crank
Figure 4
Routing Chute Tilt Cables
• If not already routed, slip the cables that run from
beneath the handle panel to the discharge chute
through the cable guide located on top of the
engine housing. See Figure 5.
Connecting Alternator Lead
(Model 8526 Only)
• Unwrap the headlight wire which is attached to the
headlights, beneath the handle panel. Wind the
wire around the lower right handle until excess
slack is removed. See Figure 6.
Figure 5
Alternator Lead
Right Handle
Lamp Wire
Figure 6
• Plug the wire from the headlight into the alternator
lead located on the right side of the engine,
beneath the fuel tank. See Figure 6.
SECTION 3: KNOW YOUR SNOW THROWER
WARNING: Read, understand, and follow
all instructions and warnings on the machine
and in this manual before operating.
Chute Tilt Control
The distance snow is thrown can be changed by
adjusting the angle of the chute assembly. Move the
chute tilt control forward to decrease the distance,
toward the rear to increase. See Figure 7.
Discharge Chute
The angle of the discharge chute controls the distance
that the snow is thrown. Tilt the discharge chute up for
greater distance; tilt down for less distance.
Skid Shoes
The space between the shave plate and the ground can
be adjusted by positioning the skid shoes. Refer to Skid
Shoe Adjustment on page 12.
Throttle Control
The throttle control is located on the engine. It regulates
the speed of the engine. See Figure 7.
Safety Ignition Key
The ignition key must be inserted in the switch in order
for the engine to start. Remove the ignition key when
the snow thrower is not in use.
NOTE: Do NOT “turn” the ignition key in an attempt to
start the engine.
6
Traction Control /
Auger Control Lock
Shift Lever
Chute Tilt Control
Headlight
Discharge
Chute
Chute
Clean-out Tool
Auger
Fuel Tank
Safety Ignition Key
Skid Shoe
Figure 7
Shift Lever
The shift lever is located in the center of the handle
panel and is used to determine ground speed and
direction of travel. It can be moved into any of eight
positions. See Figure 7.
IMPORTANT:
Always release traction the control before
changing speeds.
Forward
Your snow thrower has six forward (F) speeds.
Position number one (1) is the slowest and position
number six (6) is the fastest.
Reverse
Your snow thrower has two reverse (R) speeds. R1 is
the slower, while R2 is the faster of the two.
Traction Control / Auger Control Lock
The traction control is located on the right handle.
Squeeze the traction control to engage the wheel drive.
Release to stop. See Figure 7.
This same lever also locks the auger control lock, so
you can operate the chute crank without interrupting the
snow throwing process. If the auger control is engaged
simultaneously with the traction control, the operator
can release the auger control (on the left handle) and
the augers will remain engaged. Release the traction
control to stop both the augers and wheel drive (the
auger control must also be released).
IMPORTANT:
before moving the shift lever. Failure to do so will result
in premature wear to the drive system’s friction wheel.
ALWAYS release the traction control
Auger Control
Chute Directional Control
Electric
Starter
Button
Primer
Switch
Choke
Throttle Control
Box
Recoil
Starter
Handle
Auger Control
The auger control is located on the left handle.
Squeeze the auger control to engage the augers.
Release to stop the snow throwing action. The traction
control must also be released in order to stop the auger.
IMPORTANT:
Refer to Auger Control Test on page 9 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.
Chute Directional Control
The chute directional control is located on left hand side
of the snow thrower.To change the direction which
snow is thrown, rotate chute directional control as
follows:
• Clockwise to discharge to the left.
• Counterclockwise to discharge to the right.
Chute Clean-out Tool
WARNING: Never use your hand to clear a
clogged discharge chute. Shut off engine and
remain behind handles until all moving parts
have stopped before unclogging.
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.
The chute clean-out tool (see Figure 7) is designed to
clear a clogged discharge chute. Refer to page 10 for
detailed instructions on how to properly use the chute
clean-out tool.
7
Headlights (Model 8526 Only)
When properly connected, headlight illuminate
whenever the engine is running.
SECTION 4: OPERATING YOUR SNOW THROWER
Before Starting
WARNING: Read, understand, and follow
all instructions and warnings on the machine
and in this manual before operating.
Gas And Oil Fill-up
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 machine indoors or while the
engine is hot or running. Extinguish
cigarettes, cigars, pipes an other sources of
ignition.
• A plastic cap is provided inside the fuel fill opening
on the fuel tank. Remove and discard this cap
before filling up the tank. Use the separate fuel tank
cap to close after fill-up.
To Start Engine
NOTE: If unit shows any sign of motion (drive or
augers) with the clutch grips disengaged, shut engine
off immediately. Readjust as instructed on page 9—
Auger Control Test) and page 10—Traction Control and Shift
Lever.
• Attach spark plug wire to spark plug. Make certain
the metal loop on end of the spark plug wire (inside
the boot) is fastened securely over the metal tip on
the spark plug.
• 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. See Figure 7. Be certain it
snaps into place. Do not turn key.
NOTE: Engine will not start unless ignition key is
inserted into ignition slot in carburetor cover.
Electric Starter
• Determine that your house wiring is a three-wire
grounded system. Ask a licensed electrician if you
are not certain.
WARNING: The 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.
• If your house wiring system is not a three-wire
grounded system, do not use this electric starter
under any conditions.
• 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:
• Rotate choke knob to OFF position and do NOT
prime engine.
• Connect power cord to switch box on engine. Plug
the other end of power cord into a three-hole,
grounded 120 volt AC receptacle.
• Push the electric starter button (Refer to Figure 7)
to crank engine. As you crank the engine, move
choke knob to FULL choke position.
• 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.
• When disconnecting the power cord, always unplug
from the three-prong receptacle first and then from
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. If engine is
warm, push primer button once only.
8
NOTE: Always cover vent hole in primer button when
pushing. Additional priming may be necessary for first
start if temperature is below 15°F.
• 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.
• Repeat the previous steps until engine starts.
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:
• 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.
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, which is not harmful to the engine or starter.
• Move throttle control to “stop” or “off” position.
• Remove ignition key. Do not turn key. Disconnect
the spark plug wire from the spark plug to prevent
accidental starting while equipment is unattended.
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.
To Engage Augers
• To engage augers and start throwing snow,
squeeze the auger control against the left handle.
Release to stop the augers.
Auger Control Test
“Z End”
Jam Nut
Figure 8
• 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.
IMPORTANT:
immediately return to the operator’s position and shut
off the engine. Wait for all moving parts to stop before
readjusting the auger control cable.
• 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 8.
• Repeat Auger Control Test to verify proper
adjustment has been achieved.
If the auger shows ANY signs of rotating,
IMPORTANT:
operating the snow thrower for the first time and at the
start of each winter season.
Check the adjustment of the auger control as follows:
• When the auger control is released and in the
disengaged “up” position, the cable should have
very little slack, but should NOT be tight.
Perform the following test before
WARNING: Do not over-tighten the cable.
Over-tightening may prevent the auger from
disengaging and compromise the safety of the
snow thrower.
To Engage Wheel Drive
• With the engine running near top speed, move the
shift lever into one of the six FORWARD positions
or two REVERSE positions. Select a speed
appropriate for the snow conditions.
NOTE: Use slower speeds in heavy conditions and
until you are familiar and comfortable with the operation
of the snow thrower.
9
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