Toro 38177, 38178 Operator's Manual

FORM NO. 3321–772
CCR
Snowthrower
Model No. 38177 – 9900001 & Up Model No. 38178 – 9900001 & Up
POWERLITE
Operator’s Manual
Figures
1
3
1. Model
2
1
3
and serial number decal
2121
4
2
3
5
2
4
5
1.
Lower handle
2.
Upper handle
3.
Oval head bolt
4. Knob
5.
1
Curved washers
m–4022
4
1.
Discharge chute
2.
Chute handle
3.
Hex bolt
i
4
4. Washer
5. Locknut
5
m-3371
EThe Toro Company – 1998
1. Spring
2.
Cable adjuster
43 21
3. Cable
4.
Z fitting
Printed in USA
897
1 235
5
5
6
1. Loop
2.
Control cable
3.
Spring cover
6
1
1/16–1/8”
4
1
4.
Control bar bracket
5. T
op hole
6.
Bottom hole
2
7
3
2
m-3993
3
4
1.
Key switch
2. Primer
3.
Recoil start
4.
Choke lever
8
5.
Elec. start button*
6.
Cord connection*
*
ELEC. START MODEL
2
3
6
m–3992
1
1.
Add oil to small amount of gasoline
2.
Install cap and shake can to mix
3.
Add remaining amount of gasoline
111
1.
Chute handle
2.
Chute deflector handle
3.
Deflector mounting nuts
m-3370
ii
3
2
9 10
1
1
1.
Discharge chute
2.
Discharge chute handle
11
921
3. Handle
m–3994
1. W
ear indicator hole
4
8
2
5
1
4
1
3
1
7
1
1. Torx screw
2. Capscrew
iii
3. Locknut
4.
Blade support
6
5.
Drive belt cover
6.
Thick layer
7.
Thin layer
8. W
ear indicator hole
929
12
14
2
1
1
1. Scraper 2. W
ear indicator groove
13
1
2
1. Scraper 2. Screws
923
924
1.
Self-tapping screws
15
5
4
1
2
925
2. Capscrew
, nut, washer
3
2
6
1.
Rotor pulley
2.
Drive pulley
3.
Idler pulley
1
4.
Drive belt
5.
Brake arm
6.
Idler pivot nut
m–4014
iv
16
1
4
3
2
18
1
5
6
1.
Idler pulley
2.
Engine mounting nuts (3 of 4 shown)
3.
Idler spring
17
1.
Control panel
4. Hole
5.
Brake arm
6.
Belt guide
m–4015
1.
Spark plug wire
19
0.030”
918
(.76 mm)
110
2
2. Screws
1
917
v
Contents
Page
Introduction 1. Safety 2
Assembly 8
Before Starting 9
Operation 10
Maintenance 12
Storage 15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Before Operating 2 While Operating 2 Maintaining Snowthrower 3 Sound Pressure Level 4 Vibration Level 4
Symbol Glossary4. . . . . . . . . . . . . . . . . . . .
Install Discharge Chute (Fig. 2) 8 Install Handle (Fig. 3) 8 Install Control Cable 8
Mix Gasoline and Oil (Fig. 6) 9
Starting/Stopping Engine (Fig. 7) 10 Operating Tips (Fig. 8) 11 Folding Snowthrower (Fig. 9) 12
Adjusting Control Bar 12 Draining Gasoline 13 Replacing Rotor Blades (Fig. 10-11) 13 Replacing Scraper (Fig. 12-13) 14 Replacing Drive Belt (Fig. 14-16) 14 Replacing Spark Plug (Fig. 17-19) 14 Adjusting Carburetor 15
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Whenever you contact your Authorized Service Dealer or the factory, always know the model and serial numbers of your product. These numbers will help the Service Dealer or Service Representative provide exact information about your specific product. You will find the model and serial number decal located in a unique place on the product as shown in Figure 1.
For your convenience, write the product model and serial numbers in the space below.
Model No:
Serial No.
Read this manual carefully to learn how to operate and maintain your product correctly. Reading this manual will help you and others avoid personal injury and damage to the product. Although Toro designs, produces and markets safe, state-of-the-art products, you are responsible for using the product properly and safely. You are also responsible for training persons who you allow to use the product about safe operation.
The Toro warning system in this manual identifies potential hazards and has special safety messages that help you and others avoid personal injury, even death. DANGER, WARNING and CAUTION are signal words used to identify the level of hazard. However, regardless of the hazard, be extremely careful.
Introduction
Thank you for purchasing a Toro product. All of us at Toro want you to be completely satisfied
with your new product, so feel free to contact your local Authorized Service Dealer for help with service, genuine Toro parts, or other information you may require.
DANGER signals an extreme hazard that will cause serious injury or death if the recommended precautions are not followed.
WARNING signals a hazard that may cause serious injury or death if the recommended precautions are not followed.
CAUTION signals a hazard that may cause minor or moderate injury if the recommended precautions are not followed.
GB–1
Two other words are also used to highlight information. “Important” calls attention to special mechanical information and “Note” emphasizes general information worthy of special attention.
4. Inspect area thoroughly where snowthrower will
be used. Remove doormats, sleds, boards, sticks, wire, and any other foreign objects which might be picked up and thrown by the snowthrower.
The left and right side of the machine is determined by standing behind the handle in the normal operator’s position.
Safety
T
o ensur to gain knowledge of the product, it is essential that you or any other operator of the snowthrower read and understand the contents of this manual before the motor is ever started. Pay particular
attention to the safety alert symbol means CAUTION, W “personal safety instruction.” Read and understand the instruction because it has to do with safety. Failure to comply with instruction may result in personal injury.
This snowthrower is designed and tested to offer safe and effective service, provided it is operated in strict accordance with the following Safety Instructions. Failure to comply with the following instructions
MA
e maximum safety, best performance, and
which
ARNING OR DANGER —
Y RESUL
T IN PERSONAL INJUR
Y.
5. Keep all shields and safety devices in place. If a
shield, safety device, or decal is illegible or damaged, repair or replace it before beginning operation. Also, tighten any loose nuts, bolts, knobs or screws.
6. Wear adequate winter clothing and rubber boots
that will ensure proper footing on slippery surfaces. Do not wear loose fitting clothing that could possibly get caught in moving parts.
7. 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.
8. Because fuel is highly flammable, handle it
carefully.
HANDLING GASOLINE.
A. Use an approved fuel container. B. Fill fuel tank outdoors with extreme care,
C.
DO NOT SMOKE WHILE
not indoors.
NEVER ADD FUEL T THAT IS RUNNING OR HOT.
O AN ENGINE
Before
1. Read and understand the contents of this manual
2. Never allow children to operate the
3. Keep everyone, especially children and pets,
GB–2
Operating
carefully before operating the snowthrower. Be thoroughly familiar with all controls and proper use of the equipment. Know how to stop the snowthrower and disengage the controls quickly.
snowthrower. Adults should operate the snowthrower only after reading this manual.
away from the snowthrower and area of operation.
D. Replace gas cap securely on fuel container
and gas tank, and wipe up any spilled gasoline before starting engine.
9. Allow engine to warm up outdoors before
operating.
10. Engines produce carbon monoxide gas, which is
an odorless, deadly poison; therefore, do not run engine indoors or in an enclosed area.
While
11. Use only a CE compliant extension cord for use
Operating
with the electric start model. Do not plug the extension cord into outlet while standing in
water or when hands are wet. Do not use cord if gasoline has been spilled. If extension cord is damaged, replace immediately.
12. Never direct discharge toward or operate
snowthrower near bystanders, glass enclosures, automobiles and trucks, window wells, or a drop–off. Never allow anyone in front of snowthrower.
22. If a foreign object is hit or snowthrower vibrates
abnormally, stop engine by turning key to OFF, disconnect spark plug wire, disconnect the cord on electric start units, and wait for all moving parts to stop. Check snowthrower immediately for possible damage, an obstruction, or loose parts. Vibration is generally a sign of trouble. Repair any damage before operating snowthrower again.
13. Operate the snowthrower only when there is
good visibility or light.
14. Always maintain secure footing and balance and
keep a firm grip on the handle. Walk; never run. Exercise caution to avoid slipping or falling.
15. Be attentive when using the snowthrower, and
stay alert for holes in the terrain and other hidden hazards.
16. STA
17. Never clear snow off steep slopes or across the
18. DO NOT USE SNOWTHROWER ON A
19. Do not overload the snowthrower by clearing
Y BEHIND THE HANDLES AND AWAY FROM DISCHARGE OPENING WHILE OPERA SNOWTHROWER. Keep face, hands, feet, and
any other part of your body or clothing away from concealed, moving or rotating parts.
face of slopes. Exercise extreme caution when changing direction on slopes.
ROOF.
snow at too fast a rate.
TING THE
23. Before adjusting, cleaning, repairing or
inspecting the snowthrower, or before unclogging the discharge chute or auger housing, stop engine by turning key to OFF and wait for all moving parts to stop. Do not make any adjustments while engine is running. Disconnect the spark plug wire and keep the wire away from plug to prevent accidental starting.
24.
WHENEVER YOU LEA OPERA BY TURNING KEY T KEY FROM SWITCH IF UNIT WILL BE UNATTENDED.
25. Let snowthrower run for a few minutes after
clearing snow so moving parts do not freeze.
26. Remove key from switch when snowthrower is
transported or not in use.
27. Always drain gasoline from snowthrower fuel
tank before transporting in a car trunk or vehicle; refer to Draining Gasoline, page 13. Gasoline and its fumes are highly flammable, explosive, and dangerous if inhaled.
TING POSITION, ST
VE THE
O OFF
OP ENGINE
. REMOVE
20. Never operate the machine at high transport
speeds on slippery surfaces.
21.
Use extr
snowthrower on walks or roads. It is not recommended that snowthrower be used on gravel or crushed rock drives. Stay alert for hidden hazards or traffic. Refer to Operation, page 11, item 5 for correct operating procedure.
eme caution when crossing or operating
Maintaining
28. REMOVE KEY FROM SWITCH when storing
snowthrower. Store key in a memorable place.
29. Never store snowthrower with fuel in fuel tank
inside a building where ignition sources such as an open flame, sparks, hot water and space heaters, and clothes dryers are present. Allow engine to cool before storing. Never store
Snowthrower
GB–3
snowthrower in house (living area) or basement because gasoline and fumes are highly flammable, explosive, and dangerous if inhaled.
30. Always refer to Operator’s Manual for important
details if snowthrower is to be stored for an extended period.
35. To ensure optimum performance and safety,
purchase genuine TORO replacement parts and accessories to keep your TORO all TORO.
NEVER USE “WILL FIT” REPLACEMENT PAR
TS AND ACCESSORIES.
31. Perform only those maintenance instructions
described in this manual.
32. Remove key from switch and spark plug wire
from the spark plug before performing maintenance procedures to prevent the possibility of accidental starting. Ensure that the spark plug wire cannot accidentally touch the spark plug.
33. If major repairs are ever needed, contact your
local Authorized TORO Service Dealer for assistance.
34. Keep snowthrower in safe operating condition
by keeping nuts, bolts, and screws tight. Check all fasteners frequently to ensure they are tight.
Symbol
Glossary
Sound
This unit has a sound pressure at the operator’s ear of 90 dBA, based on measurements of identical machines per Directive 81/1051/EEC.
Sound
This unit has a sound power level of 103 LwA, based on measurements of identical machines per Directive 79/113/EEC.
Vibration
This unit has a maximum hand-arm vibration level of
11.4 m/s@, based on measurements of identical machines per EN 1033.
Pressure Level
Power Level
Level
Safety symbol within triangle indicates a hazard
Safety alert symbol
Read operator manual
GB–4
alert triangle —
’s
Do not open or remove safety shields while engine is running
Stay a safe distance from the machine
Stay a safe distance from the machine – single stage snowthrower
Consult technical manual for proper service procedures
Shut off engine and remove key before performing maintenance or repair work
Shut off engine and remove key before leaving operator position – single stage snowthrower
Shut off engine and remove key before leaving operator position – two stage snowthrower
Stay a safe distance from the machine – two stage snowthrower
Thrown or flying objects — Whole body exposure
Electrical shock – electrocution
Cutting or entanglement of foot – rotating auger
Severing of fingers or hand – impeller blade
Hot surfaces – burns to fingers or hands
Caustic liquids – chemical burns to fingers or hands
Electric start
Machine loss of control – uphill slope
Machine loss of control – downhill slope
GB–5
Do not tip battery T
raction drive
Keep dry
Machine travel direction – forward
Machine travel direction – rearward
On/start Choke
Snowthrower collector auger
Engage
Disengage
Off/stop
Fast Neutral
Engine speed (Throttle)
GB–6
Slow
Decreasing/Increasing Lock
Snowthrower collector auger
Engine start
Engine stop
Snowthrower chute direction
Primer (start aid)
Unlock
Lever operation
Lever operation
Unleaded fuel
Primer operation
Throttle operation Cutting of foot
Cutting of fingers or hand
GB–7
PowerShift operation
Belt routing
Assembly
Note: Determine left and right sides of
snowthrower by standing in the normal operating position.
Note: Figures referenced in this section are
contained in the front of this document.
Install
1. Position holes on sides of discharge chute over
2.
Discharge Chute (Fig. 2)
hex bolts on sides of chute handle. Secure discharge chute onto hex bolts with (2) washers and (2) locknuts. While holding hex bolt heads with a wrench (7/16), tighten locknuts securely.
Rotate dischar position. Secure rear of discharge chute with a washer and locknut.
ge chute to the completely upright
2. Secure upper handle to lower handles using oval
head bolts, curved washers, and knobs. Position knobs and curved washers on inside of handle and
TIGHTEN KNOBS SECUREL
prevent them from loosening. Note: Make sure the oval head bolts and
curved washers are aligned correctly as shown in Figure 3 to prevent knobs from loosening.
Install
1. Route control cable through loop on left side of
2. Hook spring to round hole at end of cable
3. Route cable through elongated hole in cable
Control Cable
snowthrower.
adjuster (Fig. 4).
adjuster. Insert Z fitting on end of cable into 3rd hole on cable adjuster (Fig. 4).
Y to
Install
1. Position ends of upper handle on inside of lower
GB–8
Handle (Fig. 3)
handles and align holes. Ensure that the handle is positioned so that the control bar is on the upper side of the handle.
4. Slide spring cover over spring and cable adjuster.
Push spring end through hole at end of spring cover (Fig. 5).
5. Hook spring into top hole of control bar bracket
(Fig. 5).
6. Move control bar back toward handle until slack
in cable is removed. The gap between the control bar bracket and handle should be approximately
1/16”-1/8”. See insert, Figure 5. If an adjustment is required, refer to Adjusting Control Bar, page 12.
Note: The control cable must always have
slack in it when in the disengaged position.
Before
Starting
only the quantity of gasoline that can be used in 30 days. Use of lead-free gasoline results in fewer combustion chamber deposits and longer spark plug life. Use of premium grade fuel is not necessary.
1. APPROVED OIL—For simplicity and best
engine performance, mix the contents of one 5.2 ounce bottle of Toro 50:1 Two–Cycle Oil with two gallons of fresh, unleaded regular gasoline. You can also use Toro “Easy–Mix” Two–Cycle Oil (3.2 ounce bottle mixed one per gallon of gasoline; 40:1 ratio) in this Toro two–cycle engine. Leaded regular gasoline may be used if unleaded regular is not available.
POTENTIAL
HAZARD
In certain conditions gasoline is extremely
flammable and highly explosive.
WHAT CAN HAPPEN
A fire or explosion from gasoline can burn
you and others and cause property damage.
HOW TO AV
OID THE HAZARD
Use a funnel and fill the fuel tank outdoors,
in an open area, when the engine is cold. Wipe up any gasoline that spills.
Do not fill the fuel tank completely full.
Add gasoline to the fuel tank until the level is 1/4” to 1/2” (6 mm to 13 mm) below the bottom of the filler neck. This empty space in the tank allows gasoline to expand.
Never smoke when handling gasoline, and
stay away from an open flame or where gasoline fumes may be ignited by a spark.
Store gasoline in an approved container
and keep it out of the reach of children.
Never buy more than a 30-day supply of
gasoline.
Note: Figures referenced in this section are
contained in the front of this document.
Mix
Gasoline and Oil (Fig. 6)
Use clean, fresh lead-free gasoline, including oxygenated or reformulated gasoline, with an octane rating of 85 or higher. To ensure freshness, purchase
Toro Two–Cycle Oil is specially formulated to provide superior lubrication, make starting easy, and prolong engine life. If Toro T is not available, mix two gallons of gasoline and
5.2 ounces of another high grade two–cycle oil that has the NMMA or BIA–TCW certification printed on the label.
NEVER USE AUTOMOTIVE OIL (i.e. SAE 30, 10W30 etc.), TWO–CYCLE OIL THAT IS NOT CERTIFIED NMMA/BIA–TCW, OR THE WRONG MIX RA ENGINE CAN BE DAMAGED, AND IT WOULD NOT BE COVERED BY THE TORO WARRANTY.
2. Mixing Gasoline and Oil—Pour a half gallon of
gasoline into an approved gasoline container and add the correct amount of two–cycle oil. Install cap on gasoline container and shake the container to mix oil and gas thoroughly. Remove cap and add remaining amount of gasoline.
Toro also recommends that Toro Stabilizer/Conditioner be used regularly in all Toro gasoline powered products during operation and storage seasons. Toro Stabilizer/Conditioner cleans the engine during operation and prevents gum–like varnish deposits from forming in the engine during periods of storage.
Note: A fuel stabilizer/conditioner is most
effective when mixed with fresh gasoline.
TIO BECAUSE THE
wo–Cycle Oil
GB–9
IMPORTANT GASOLINE CONT GASOHOL CONT 10% ETHANOL, PREMIUM GASOLINE, OR WHITE GAS BECAUSE ENGINE FUEL SYSTEM DAMAGE COULD RESULT.
DO NOT USE FUEL ADDITIVES OTHER THAN THOSE MANUF FUEL ST STORAGE SUCH AS TORO’S ST
ABILIZER/CONDITIONER OR A SIMILAR PRODUCT ST
ABILIZER/CONDITIONER IS A PETROLEUM DISTILLA CONDITIONER/ST DOES NOT RECOMMEND ST WITH AN ALCOHOL BASE SUCH AS ETHANOL, METHANOL OR ISOPROPYL. ADDITIVES SHOULD NOT BE USED T TRY TO ENHANCE THE POWER OR PERFORMANCE OF MACHINE.
: NEVER USE METHANOL
AINING METHANOL
AINING MORE THAN
ACTURED FOR
ABILIZA
TION DURING
. TORO’S
TE BASED
ABILIZER. T
ABILIZERS
,
,
ORO
O
Starting/Stopping
Engine
(Fig. 7)
1. CONTROLS—Key switch, primer, electric start
button (if applicable), and recoil starter are located on the control panel. The choke lever is just below the lower left corner of the control panel.
2. Turn key to ON and move choke lever to ON
(far right position).
3. Cover hole in center of primer with thumb and
push primer twice slowly (1 to 2 seconds per prime) for temperatures above 0_F (–18_C). Push primer slowly three times for temperatures below 0_F (–18_C).
ENGINE HAS BEEN RUNNING AND IS HOT.
Note: When starting engine for first time or
after running out of fuel, more priming may be required to start engine.
DO NOT PRIME IF THE
Note: Do not mix gasoline and oil in the
product fuel tank. Oil that is at room temperature mixes easier and more thoroughly than cold oil.
50:1
GAS/OIL Mixing Chart
U.S. GALLON
Gasoline Oil
          
Operation
Note: Figures referenced in this section are
contained in the front of this document.
4. STARTING
A. RECOIL STARTING—Hold snowthrower
with one hand and pull recoil starter vigorously with other hand. If engine does not start after three pulls, push primer once more and pull recoil starter vigorously again.
B. ELECTRIC STARTING—Connect
extension cord to snowthrower and standard household power outlet. Push starter button. When engine starts, disconnect extension cord from snowthrower and outlet.
IMPORTANT: Excessive running of the electric starter could damage the starter due to overheating. If you are having difficulty starting the engine, ONL STAR
TING PROCEDURE TWICE. Run the electric starter no more than 10 times at intervals of 5 seconds ON, 5 seconds OFF. If engine does not start after this first attempt, wait more than 40 minutes to allow starter to cool before trying to run starter again. Before
Y TR
Y THIS
GB–10
repeating engine starting procedure, check that ignition key switch is ON, and make sure there is fresh fuel in fuel tank. If engine still will not start after a second attempt, bring the snowthrower to an Authorized Toro Service Dealer for servicing.
IMPORTANT: Do not leave the electric starter cord connected to the power outlet when storing the snowthrower. It should only be connected to the power outlet during the starting procedure. If you leave it connected to the power outlet during storage, a power surge could start the snowthrower when no one is in attendance.
5. When engine starts, move choke lever to middle
position after a few seconds of running time. After engine has warmed up, move choke lever to OFF (far left) position.
6. TO START/STOP ROTOR—To start the rotor,
squeeze the control bar to the handle. When the control bar handle is released, the rotor blades stop, but the engine continues to run.
7. TO STOP ENGINE—Release the control bar to
stop the rotor, turn key to OFF, and wait for all moving parts to stop before leaving operator’s position.
Operating Tips (Fig. 8)
1. ADJUSTING DISCHARGE CHUTE—Move
the chute handle left and right to adjust the direction of the snow stream. Rotate the chute deflector handle on top of the discharge chute forward and backward to adjust the height of the snow stream. Do not overtighten the chute deflector mounting nuts so excessive force is required to adjust the deflector.
2. SELF–PROPELLING ACTION—The
snowthrower clears down to the ground and propels itself forward when tilted slightly forward so rotor blades strike the ground. The wheels do not have to touch the ground in order to self-propel. The further you tilt the handle forward, the faster the snowthrower self-propels.
However, depth of snow affects forward speed. Always overlap each swath and discharge downwind when possible.
Note: If snowthrower is tilted too far
forward, it will self-propel at a rapid rate and snow will spray back at the feet of the operator. Reduce lift on handle slightly to self-propel at a moderate rate.
3. Keep the area to be cleared free of stones, toys,
or other foreign objects which may be picked up and thrown by the rotor blades. Such items could be covered by snowfall and, therefore, unnoticed until struck by the rotor blades. Always be sure to keep all people and pets away from area of operation to prevent possibility of being hit by thrown objects.
4. ON STEPS OR CUTTING THROUGH
DRIFTS—It is recommended that operator stand on right side of snowthrower and hold it by upper handle and chute handle (standing on left side may expose operator to engine exhaust). Use a side–to–side sweeping motion to clear snow.
5. It is not recommended that snowthrower be used
on gravel or crushed rock driveways or walks. Should you find it necessary to clear snow from crushed rock or gravel, push down on handle to raise rotor blades clear of loose material that could be thrown by the blades and push unit forward.
6. In some snow and cold weather conditions, some controls and moving parts may freeze solid. DO
NOT USE EXCESSIVE FORCE WHEN TR
YING T
CONTROLS. When any control or part
becomes hard to operate, start the engine and let it run for a few minutes. If control or part still will not move with moderate force, stop engine, remove ice or thaw out snowthrower.
O OPERA
TE FROZEN
GB–11
POTENTIAL HAZARD
Gasoline and its fumes are highly
flammable, explosive, and dangerous if inhaled.
WHAT CAN HAPPEN
If gasoline contacts a flame or is inhaled,
serious personal injury can occur.
HOW TO AV
OID THE HAZARD
Never warm up snowthrower with fuel in
tank inside a building where open flame or sparks ar
Never stor area), basement or anywhere open flame is present.
Always r fuel tank before transporting in a closed car trunk or vehicle; refer to Draining Gasoline, page 13.
e present.
e snowthrower in house (living
emove gasoline from snowthrower
3. Loosen knobs on handle and fold handle down
over unit, ensuring that you do not kink the control cable.
4. Carry unit by discharge chute handle.
5. Be sure to tighten all knobs SECURELY
unfolding handle and chute.
after
Maintenance
Keep snowthrower in safe operating condition by cleaning the unit. Check and tighten any loose nuts, bolts, knobs, and screws. The scraper, drive belt, rotor blades, and spark plug should be checked once a year.
Note: Figures referenced in this section are
contained in the front of this document.
Adjusting
Control Bar
7. AFTER CLEARING SNOW—Let engine run
for a few minutes so ice does not freeze moving parts solid. After engine is shut off, wipe ice and snow off entire unit.
IMPORTANT: ST IN OPERA WHEELS OR HANG ON A W HANDLE. TIPPING OR ST FORW CAUSE HARD ST
Folding
The CCR POWERLITE folds compactly for easy transporting or storage. To fold up snowthrower, follow these instructions:
1. Remove locknut and washer from rear of
discharge chute.
2. Fold chute down. Reinstall locknut and washer
tightly onto bolt at rear of discharge chute handle to prevent losing them.
TING POSITION ON ITS
ARD ONT
Snowthrower (Fig. 9)
ORE SNOWTHROWER
ALL BY ITS
ORING UNIT
O FRONT HOUSING MAY
ARTING.
Periodically check control bar for proper adjustment.
1. Turn key switch to OFF.
2. CHECK ADJUSTMENT (Fig. 5)—Move
control bar back toward handle until slack in cable is removed. Gap between control bar bracket and handle should be approximately 1/16”–1/8”. If cable is too loose or too tight, proceed to step 3 for adjustment procedure.
Note: The control cable must always have
slack in it when in the disengaged position.
3. Unhook spring end from the top hole in control
bar bracket (Fig. 5).
4. Slide spring cover off spring and cable adjuster.
5. Unhook Z fitting from cable adjuster and
reposition Z fitting in a higher or lower hole on adjuster to obtain proper gap of 1/16”–1/8” between control bar bracket and handle (Fig. 4). (Positioning cable end in a lower hole decreases gap; positioning cable end in a higher hole increases gap.)
GB–12
6. Install spring cover over cable adjuster and
spring.
7. Hook spring into top hole of control bar bracket
(Fig. 5).
8. After extended use, the drive belt may wear and
proper belt tension may not be maintained. Improper belt tension causes belt slippage and decreases the snowthrower a heavy load. Belt slippage may occur after 2–3 seasons of normal usage (10–15 hours). If drive belt slips (continuous squealing noise) under heavy load, increase belt tension by repositioning spring end in bottom hole in control bar bracket (Fig. 5).
Readjust cable (see steps 2–3).
’s performance under
Replacing (Fig. 10-1
Before each snow season, inspect rotor blades for wear. When blade edge has worn to the wear indicator hole (Fig. 10), the blades must be replaced to ensure proper performance and prevent damage to underside of snowthrower. Always replace both blades at the same time.
Note: Whenever rotor blades are replaced,
1. Stop engine. Remove key from switch. Pull wire
off spark plug.
Rotor Blades
1)
scraper should also be replaced to ensure proper snowthrower operation and performance.
IMPORTANT: Unnecessary use of forward or bottom adjusting hole in control bar bracket reduces drive belt life. Occasional belt slippage (squealing) may occur in extremely wet conditions due to moisture in drive system. To remove moisture, start rotor and operate under no load for 30 seconds. Once moisture is removed, belt should not slip.
Draining
1. Stop engine. Remove key from switch.
2. Remove cap from fuel tank and use a pump type
syphon to drain fuel into a clean, approved fuel container.
3. After fuel is drained, start engine and let it run
until all fuel is consumed and engine stops. Repeat the starting procedure two more times to ensure all fuel is removed from the engine.
Note: This is the only procedure
Gasoline
recommended for draining fuel because it allows all fuel to be removed from fuel tank.
2. REMOVING BLADE (Fig. 11)–Remove (4) Torx screws (Bit No. T27), (2) capscrews, and (6) locknuts securing blade to rotor shaft assembly.
3. Slide the blade out from between the blade supports (Fig. 11).
4. INSTALLING NEW BLADE–The rotor blades are made of laminated rubber. Examine the edge of a blade to see the difference in layer thickness (Fig. 11).
Both blades must be installed with the thick layer on the inside of the curve, and the wear indicator holes must be on the drive belt cover side (Fig. 11). If one of the blades is installed with the thick layer on the outside of the curve and the other blade installed with the thick layer on the inside of the curve, the blades will be unbalanced, causing the snowthrower to “hop” or “bounce.”
5. Insert new blade between blade supports. Secure center of blade to blade supports with (2) capscrews and (2) locknuts. Position screw heads on thick layer side of blade. Curve blade and secure it with remaining (4) Torx screws and locknuts (position screw heads on thick layer side of blade). Tighten all screws and nuts securely.
GB–13
6. Repeat steps 1–5 to replace other blade.
B. Pull belt out at the bottom of the rotor
pulley and remove it from the pulley.
Replacing
Before each season, inspect scraper for wear. When wear indicator groove is worn away (Fig. 12), replace scraper to prevent damage to underside of snowthrower.
1. Stop engine. Remove key from switch. Pull wire
off spark plug.
2. Tip snowthrower forward onto front housing.
3. Remove (3) screws holding scraper in place
(Fig. 13). Remove scraper.
4. Secure new scraper to housing with (3) screws.
Replacing
Scraper (Fig. 12-13)
Drive Belt
(Fig. 14-16)
After extended use, drive belt may wear and require replacement. If drive belt continues to slip under a heavy load or the rotor does not turn, check to see if belt is severely worn.
C. Push down on the idler pulley to release the
brake arm and pull the belt from behind the brake arm.
D. Slide the belt off of the drive pulley.
5. INSTALLING BELT (Fig. 16):
A. Loop belt around drive pulley. B. While holding belt with right hand, slip belt
onto rotor pulley and rotate rotor with left hand until belt is completely on rotor pulley.
C. Make sure long end of idler spring is
hooked in housing hole and round end of spring is hooked in the brake arm.
D. Lift up the brake arm assembly
belt together, and route belt under idler pulley.
6. Tighten the engine mounting nuts and the idler
pivot nut. Torque to 170 to 200 in–lbs (19.2 to
22.5 N·m)
, squeeze
1. Stop engine. Remove key from switch. Pull wire
off spark plug.
2. Remove (3) self tapping screws, (1) capscrew,
(1) washer, and (1) nut securing left side cover to snowthrower frame (Fig. 14). Remove cover.
3. Loosen the (4) engine mounting nuts enough to
allow the belt guide to be rotated away from the drive pulley to remove the belt (Fig. 16).
IMPORTANT: Do not remove the nuts or the engine will fall loose into the snowthrower. If you accidentally remove the nuts, contact your Authorized Toro Service Dealer.
4. REMOVING BELT (Fig. 15):
A. Loosen idler pivot nut.
7. Reinstall left side cover. T
securely, but DO NOT OVERTIGHTEN.
Replacing
Spark Plug
ighten fasteners
(Fig. 17-19)
Check spark plug yearly or every 100 operating hours. If electrodes in center of plug are dark or have deteriorated, install a new plug. Use a Champion RCJ8Y spark plug or equivalent and set gap at .030” (.76 mm).
1. REMOVE CONTROL PANEL
(Fig. 17)–Remove (2) screws securing control panel to housing. Remove ignition key and lift off panel, allowing it to hang on recoil rope.
GB–14
2. REMOVE SPARK PLUG (Fig. 18)–Pull wire
off spark plug and remove plug. Examine the plug and replace if cracked, fouled, or dirty. DO
NOT SANDBLAST SP
ARK PLUG BECAUSE DIR RELEASE AND F CAUSING ENGINE DAMAGE.
, SCRAPE, OR CLEAN
T MA
Y
ALL INT
O CYLINDER
2. CYLINDER/PISTON CARE—Slowly pull
recoil starter until resistance is felt due to compression pressure, then stop. Release starter tension slowly to prevent engine from reversing due to compression pressure. This position closes both the intake and exhaust ports which prevents corrosion of the cylinder bore.
3. INSTALL SPARK PLUG–Set air gap (Fig. 19)
between electrodes at .030” (.76 mm). Install plug and tighten to 15 ft–lb (20.4 Nm). If torque wrench is not used, tighten plug firmly with wrench by hand; DO NOT OVERTIGHTEN. Push wire onto spark plug and reinstall control panel.
Adjusting
The carburetor has been factory set, and no adjustment is required.
Carburetor
Storage
1. FUEL SYSTEM PREPARATION– Note: A fuel stabilizer/conditioner is most
effective when mixed with fresh gasoline.
3. TIGHTEN FASTENERS AND
CLEAN—Tighten screws, bolts, knobs and nuts if necessary Clean unit thoroughly.
4. ST
ORE SNOWTHROWER—Cover snowthrower and store in a clean, dry place out of the reach of children.
SNOWTHROWER IN HOUSE (LIVING AREA) OR BASEMENT WHERE IGNITION SOURCES MA SUCH AS HOT WATER AND SPACE HEA LIKE ARE HIGHL EXPLOSIVE, AND DANGEROUS IF INHALED.
in any enclosure.
. Repair or replace damaged parts.
NEVER ST
Y BE PRESENT
TERS, CLOTHES DR
BECAUSE GASOLINE AND FUMES
Y FLAMMABLE,
Allow engine to cool before storing
YERS, AND THE
ORE
Add Toro Stabilizer/Conditioner to the fuel tank
(one ounce per gallon of fuel).
Run engine for ten minutes to distribute
conditioned fuel through fuel system.
Stop engine, allow it to cool, and drain fuel tank
or run engine until it stops.
Restart the engine again and run it until it stops.
Either choke or prime the engine, restart it a
third time and run engine until it will not restart.
Dispose of fuel properly. Recycle per local
codes.
DO NOT store ST
days.
ABILIZED gasoline over 90
GB–15
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