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Sno-Thro
®
Owner/Operator Manual
Model
920001 – ST624E
920003 – ST520E
ENGLISH
03381000 4/08
Printed in USA
TABLE OF CONTENTS
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . 4
ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . 8
CONTROLS and FEATURES. . . . . . . . 10
OPERATION . . . . . . . . . . . . . . . . . . . . . .11
MAINTENANCE . . . . . . . . . . . . . . . . . . 16
SERVICE AND ADJUSTMENTS . . . . . 18
STORAGE . . . . . . . . . . . . . . . . . . . . . . 27
SERVICE PARTS . . . . . . . . . . . . . . . . . 27
ACCESSORIES . . . . . . . . . . . . . . . . . . 27
TROUBLESHOOTING . . . . . . . . . . . . . 28
SPECIFICATIONS . . . . . . . . . . . . . . . . 29
WARRANTY . . . . . . . . . . . . . . . . . . . . . 30
NON-ENGLISH MANUALS
Manuals in languages other than English may be obtained from your Dealer. Visit your dealer or www.ariens.com for a list of languages available for your equipment.
Manuals printed in languages other than
English are also available as a free download on our website: http://www.ariens.com
MANUALES EN IDIOMAS
DIFERENTES DEL INGLES
Puede obtener manuales en idiomas diferentes del inglés en su distribuidor. Visite a su distribuidor o vaya a www.ariens.com para obtener una lista de idiomas disponibles para su equipo.
También puede imprimir manuales en idiomas diferentes del inglés descargándolos gratuitamente de nuestra página Web: http://www.ariens.com
MANUELS NON ANGLAIS
Des manuels dans différentes langues sont disponibles chez votre revendeur. Rendezvous chez votre revendeur ou allez sur le site www.ariens.com pour consulter la liste des langues disponibles pour votre équipement.
Les manuels imprimés dans des langues différentes de l'anglais sont également disponibles en téléchargement gratuit sur notre site Web : http://www.ariens.com
MANUALS
Before operation of unit, carefully and completely read your manuals. If used improperly, this unit could be dangerous and cause personal injury or property damage.
The contents will provide you with safety instructions for the safe use of your unit during normal operation and maintenance.
INTRODUCTION
All reference to left, right, front, or rear are given from operator standing in operation position and facing the direction of forward travel.
ENGINE MANUAL
The engine on this unit is covered by a separate manual specific to the engine. This manual is included in the literature package that shipped with the unit. Refer to this manual for engine service recommendations.
If the engine manual is not available, contact the engine manufacturer for a replacement manual.
MODEL AND SERIAL NUMBERS
When ordering replacement parts or making service inquiries, know the Model and Serial numbers of your unit and engine.
Numbers are located on the product registration form in the unit literature package. They are printed on a serial number label, located on the frame of your unit.
Serial Number Label
Figure 1
OS8010
GB - 2
• Record Unit Model and Serial numbers here.
• Record Engine Model and Serial numbers here.
PRODUCT REGISTRATION
The Ariens dealer must register the product at the time of purchase. Registering the product will help the company process warranty claims or contact you with the latest service information. All claims meeting requirements during the limited warranty period will be honored, whether or not the product registration card is returned. Keep a proof of purchase if you do not register your unit.
Customer Note: If the dealer does not register your product, please fill out, sign, and return the product registration card to Ariens or go to www.ariens.com.
UNAUTHORIZED REPLACEMENT
PARTS
Use only Ariens replacement parts. The replacement of any part on this vehicle with anything other than an Ariens authorized replacement part may adversely affect the performance, durability, or safety of this unit and may void the warranty. Ariens disclaims liability for any claims or damages, whether warranty, property damage, personal injury or death arising out of the use of unauthorized replacement parts. To locate your nearest
Ariens Dealer, go to www.ariens.com on the internet.
DISCLAIMER
Ariens reserves the right to discontinue, make changes to, and add improvements upon its products at any time without public notice or obligation. The descriptions and specifications contained in this manual were in effect at printing. Equipment described within this manual may be optional. Some illustrations may not be applicable to your unit.
DELIVERY
Customer Note: If you have purchased this product without complete assembly and instruction by your retailer, it is your responsibility to:
1. Read and understand all assembly instructions in this manual. If you do not understand or have difficulty following the instructions, contact your nearest
Ariens Dealer for assistance. Make sure all assembly has been properly completed.
NOTE: To locate your nearest Ariens Dealer, go to www.ariens.com on the Internet.
WARNING: Improper assembly or adjustments can cause serious injury.
2. Understand all Safety Precautions provided in the manuals.
3. Review control functions and operation of the unit. Do not operate the Sno-Thro unless all controls function as described in this manual.
4. Review recommended lubrication, maintenance and adjustments.
5. Review Limited Warranty Policy.
6. Fill out a Product Registration Card and return the card to the Ariens Company or go to www.ariens.com.
GB - 3
WARNING: To avoid injury to hands and feet, always disengage clutches, shut off engine, and wait for all movement to stop before unclogging or working on snow thrower.
Hand contact with the rotating impeller is the most common cause of injury associated with snow throwers.
Never use your hand to clean out the discharge chute.
Keep hands and feet away from auger and impeller.
SAFETY
PRACTICES AND LAWS
Practice usual and customary safe working precautions, for the benefit of yourself and others. Understand and follow all safety messages. Be alert to unsafe conditions and the possibility of minor, moderate, or serious injury or death. Learn applicable rules and laws in your area. Always follow the practices set forth in this manual.
REQUIRED OPERATOR
TRAINING
Original purchaser of this unit was instructed by the seller on safe and proper operation. If unit is to be used by someone other than original purchaser; loaned, rented or sold,
ALWAYS provide this manual and any needed safety training before operation.
SAFETY ALERTS
Look for these symbols to point out important safety precautions.
They mean:
Attention!
Personal Safety Is
Involved!
Become Alert!
Obey The Message!
The safety alert symbols above and signal words below are used on decals and in this manual. Read and understand all safety messages.
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged Safety
Decals. Refer to figure below for Safety Decal locations.
1
2
DANGER: IMMINENTLY
HAZARDOUS SITUATION! If not avoided, WILL RESULT in death or serious injury.
3
WARNING: POTENTIALLY
HAZARDOUS SITUATION! If not avoided, COULD RESULT in death or serious injury.
OS8015
CAUTION: POTENTIALLY
HAZARDOUS SITUATION! If not avoided, MAY RESULT in minor or moderate injury. It may also be used to alert against unsafe practices.
NOTATIONS
NOTE: General reference information for proper operation and maintenance practices.
IMPORTANT: Specific procedures or information required to prevent damage to unit or attachment.
1. WARNING!
OL1801
Figure 2
Read Owner/Operator Manual.
GB - 4
OL4370
Keep people away from unit while operating. Keep children out of work area and under watchful care of a responsible adult.
OL0910
Never direct discharge towards persons or property that may be injured or damaged by thrown objects.
OL4010
OL4690
Stop engine, remove key, read manual before making any repairs or adjustments.
Wear appropriate hearing protection.
ONLY use clean-out tool to clear blockages. NEVER use your hands.
2. DANGER!
OS6610
ROTATING PARTS! ONLY use clean-out tool to clear blockages.
NEVER use your hands. High
speed impeller rotates below discharge opening. Wait for all moving parts to stop before removing clogs or servicing.
3. DANGER!
OS2080
ROTATING PARTS.
Keep clear of auger while engine is running.
• Read Operator’s Manual.
• Allow operation only by properly trained adult, never children.
• Stop engine and remove ignition key prior to leaving the operator’s position for any reason.
• Keep all controls, guards and safety devices properly serviced and functional.
• Never direct discharge towards persons or property that may be injured or damaged by thrown objects.
SAFETY RULES
Read, understand, and follow all safety practices in Owner/Operator Manual before beginning assembly or operating. Failure to follow instructions could result in personal injury and/or damage to unit.
ALWAYS remove key and/or wire from spark plug before assembly, maintenance or service. Unintentional engine start up can cause death or serious injury.
Complete a walk around inspection of unit and work area to understand:
• Work area • Your unit • All safety decals
ALWAYS check overhead and side clearances carefully before operation.
ALWAYS be aware of traffic when operating along streets or curbs.
Keep children and people away. Keep children out of work area and under watchful care of a responsible adult.
NEVER allow children to operate or play on or near unit. Be alert and shut off unit if children enter area.
DO NOT allow adults to operate unit without proper training. Only trained adults may operate unit. Training includes actual operation.
Keep area of operation clear of all toys, pets, and debris. Thrown objects can cause injury.
Check for weak spots on docks, ramps or floors. Avoid uneven work areas and rough terrain. Stay alert for hidden hazards.
GB - 5
DO NOT operate near drop-offs, ditches, or embankments. Unit can suddenly turn over if a wheel is over the edge of a cliff or ditch, or if an edge caves in.
Falling snow, fog, etc. can reduce vision and cause an accident. Operate unit only when there is good visibility and light.
NEVER operate unit after or during the use of medication, drugs or alcohol. Safe operation requires your complete and unimpaired attention at all times.
NEVER allow anyone to operate this unit when their alertness or coordination is impaired.
DO NOT operate unit without wearing adequate winter outer garments. Wear adequate safety gear, including safety glasses with side shields, and protective gloves. Wear proper footwear to improve footing on slippery surfaces.
DO NOT wear loose clothing or jewelry and tie back hair that may get caught in rotating parts.
Protect eyes, face and head from objects that may be thrown from unit. Wear appropriate hearing protection.
Avoid sharp edges. Sharp edges can cut.
Moving parts can cut off fingers or a hand.
ALWAYS keep hands and feet away from all rotating parts during operation. Rotating parts can cut off body parts.
NEVER place your hands or any part of your body or clothing inside or near any moving part while unit is running.
ALWAYS keep hands away from all pinch points.
DO NOT touch unit parts which might be hot from operation. Allow parts to cool before attempting to maintain, adjust or service.
Never direct discharge towards persons or property that may be injured or damaged by thrown objects. Use extreme caution on gravel surfaces. Stay alert for hidden hazards or traffic. Adjust Runners so Scraper Blade does not contact gravel.
DO NOT throw snow any higher than necessary.
Deflected materials can cause injury and property damage.
Always stand clear of the discharge area when operating this unit.
Fumes from engine exhaust can cause injury or death. DO NOT run engine in an enclosed area. Always provide good ventilation.
ALWAYS disengage attachment, stop unit and engine, remove key and allow moving parts to stop before leaving operator’s position.
ROTATING IMPELLER CAN CAUSE
SERIOUS INJURY. NEVER ATTEMPT TO
UNCLOG OR CLEAN UNIT WHILE ENGINE
IS RUNNING.
Read, understand, and follow all instructions in the manual and on the machine before starting.
Understand:
How to operate all controls.
The functions of all controls.
How to STOP in an emergency.
Before starting engine, disengage control(s).
Use only approved extension cords and receptacles when starting units equipped with electric starter. DO NOT connect electric starter cord to any wiring system that is not a three-wire grounded system.
ALWAYS allow unit and engine to adjust to outdoor temperatures before clearing snow.
Always be sure of your footing, especially when operating in reverse or leaving the operator’s position. Walk, never run during operation.
DO NOT overload the machine capacity by attempting to operate or to clear snow at too fast a rate.
Slow down and turn corners slowly.
Do not operate in reverse unless absolutely necessary. ALWAYS back up slowly. Always look down and behind before and while backing.
Disengage attachment drive when traveling from one work area to another.
Abnormal Vibrations are a warning of trouble.
Striking a foreign object can damage unit.
Immediately stop unit and engine. Remove key and wait for all moving parts to stop.
Remove wire from spark plug. Inspect unit and make any necessary repairs before restart.
Before cleaning, removing clogs or making any inspections, repairs, etc.: disengage clutch(es), stop unit and engine, remove key, allow moving parts to stop. Allow hot parts to cool.
Run unit a few minutes after clearing snow to prevent freeze-up of attachment.
Disengage attachment when not in use.
Disengage all clutches before starting engine.
Adjust runners to clear gravel or crushed rock surfaces safely.
GB - 6
Never leave a running unit unattended.
ALWAYS shut off engine before leaving unit.
ALWAYS remove key to prevent unauthorized use.
Never carry passengers.
Check clutch and brake operation frequently.
Adjust and service as required. All motion of drive wheels and auger/impeller must stop quickly when control levers are released.
DO NOT operate on steep slopes. DO NOT clear snow across the face of slopes. Keep all movement on slopes slow and gradual. DO
NOT make sudden changes in speed or direction. Use a slow speed to avoid stops or shifts on slopes. Avoid starting or stopping on a slope.
DO NOT park unit on a slope unless absolutely necessary. When parking on a slope always block the wheels.
ALWAYS shut off engine, remove key, and close fuel shut-off valve or drain fuel when transporting unit on a truck or trailer.
Use extra care when loading or unloading unit onto trailer or truck.
Secure unit chassis to transport vehicle.
NEVER secure from rods or linkages that could be damaged.
DO NOT transport machine while engine is running.
Keep unit free of ice or other debris. Clean up oil or fuel spills.
This product is equipped with an internal combustion type engine. DO NOT use unit on or near any unimproved, forest-covered or brush covered land unless exhaust system is equipped with a spark arrester meeting applicable local, state or federal laws. A spark arrester, if it is used, must be maintained in effective working order by operator.
Fuel is highly flammable and its vapors are explosive. Handle with care. Use an approved fuel container.
NO smoking, NO sparks, NO flames.
ALWAYS allow engine to cool before servicing.
NEVER fill fuel tank when engine is running or hot from operation.
NEVER fill or drain fuel tank indoors.
Replace fuel cap securely and clean up spilled fuel.
Never fill containers inside a vehicle or on a truck or trailer bed with a plastic liner. Always place containers on the ground away from your vehicle before filling.
When practical, remove gas-powered equipment from the truck or trailer and refuel it on the ground. If this is not possible, then refuel such equipment on a trailer with a portable container, rather than from a gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete. Do not use a nozzle lockopen device.
If fuel is spilled on clothing, change clothing immediately.
Before tipping unit up onto housing, remove fuel so no spills will occur. Ensure unit is secure and will not tip over during maintenance.
ALWAYS keep protective structures, guards, and panels in good repair, in place and securely fastened. NEVER modify or remove safety devices.
DO NOT change engine governor settings or over-speed engine.
Fumes from engine exhaust can cause injury or death. DO NOT run engine in an enclosed area. Always provide good ventilation.
ALWAYS maintain unit in safe operating condition. Damaged or worn out muffler can cause fire or explosion.
Keep all hardware properly tightened. Check shear bolts frequently.
Maintain or replace safety and instruction labels, as necessary.
NEVER store unit with fuel in fuel tank, inside a building where any ignition sources are present such as hot water heaters, space heaters, or clothes dryers. Allow the engine to cool before storing in any enclosure.
Shut off fuel and allow engine to cool completely before storing in closed area or covering unit.
For extended storage, clean unit thoroughly.
See Engine Manual for proper storage.
Use only attachments or accessories designed for your unit.
Check components frequently. If worn or damaged, replace with manufacturer’s recommended parts.
GB - 7
ASSEMBLY
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
.
5. Install and tighten all wing knobs and wing nuts on the handlebar assembly and shift rod.
WARNING: Dropping or tipping over boxed unit could result in personal injury or damage to unit.
PACKAGE CONTENTS
3
2
4
1
1. Sno-Thro
Unit
2. Discharge
Chute
Figure 3
OS8020
3. Chute Rod
4. Literature
Pack with
Extra Shear
Bolts
ASSEMBLY
Tools Required:
• Pliers
• Open-End Wrenches: 3/8, 7/16, 1/2,
9/16 in. and/or Adjustable Wrench
• Tire Gauge
Unfold Handlebar (Figure 4)
1. Remove the lower and loosen the upper wing knobs on the handlebar assembly.
2. Loosen the wing nuts on the shift rod.
3. Put the speed selector lever in the sixth forward position.
4. Rotate the handlebars into operating position.
1. Shift Rod
2. Wing Knob and Bolt
3. Wing Nut and Bolt
4. Handlebar
Figure 4
OS8025
Install Discharge Chute (Figure 5)
1. Grease underside of discharge chute ring (if not already greased).
2. Remove mounting hardware from the bottom of the chute pedestal.
3. Install discharge chute over opening in the auger housing and secure pedestal to auger housing with hardware removed in step 2.
GB - 8
1. Mounting Hardware
2. Discharge Chute
3. Discharge Chute Ring
4. Chute Pedestal
Figure 5
OS8030
Install Discharge Chute Crank
(Figure 6)
1. Slide Chute Crank through the nylon bushing in the support bracket.
2. Connect the chute crank to the pinion gear on chute with spring clip pin.
1. Chute Crank
2. Support
Bracket
3. Pinion Gear
4. Spring Clip
Pin
1
Figure 6
OS8025
Check Function of Dual Handle
Interlock
Without the engine running, press down
(engage) both clutch levers. Release attachment clutch lever. Attachment clutch should remain engaged until traction clutch lever is released, then both clutches must disengage. If they do not, contact your Dealer for repairs.
Check Tire Pressure
Check tire pressure and adjust to the pressure listed on tire sidewall.
CAUTION: Avoid injury! Explosive separation of tire and rim parts is possible when they are serviced incorrectly:
• Do not attempt to mount a tire without the proper equipment and experience to perform the job.
• Do not inflate the tires above the recommended pressure.
• Do not weld or heat a wheel and tire assembly. Heat can cause an increase in air pressure resulting in an explosion. Welding can structurally weaken or deform the wheel.
• Do not stand in front or over the tire assembly when inflating. Use a clip-on chuck and extension hose long enough to allow you to stand to one side.
Check Auger Gearcase Oil
Check oil level in auger gearcase (see Check
Check Engine Crankcase Oil
IMPORTANT: The engine is shipped with
5W-30 oil in crankcase. Refer to Engine
Manual for detailed instructions.
Fill Engine Fuel Tank
Refer to Engine Manual for proper fuel type and tank capacity.
Check Function of all Controls
Ensure unit runs and performs properly. Refer to Operation.
Run-in Attachment Belt
1. Start unit in a well-ventilated area
according to Starting and Shut Off on page 14.
2. Engage attachment clutch lever and run attachment for about 15 minutes.
GB - 9
3. Stop unit, wait for all moving parts to stop, and remove spark plug wire.
4. Adjust belt finger, if necessary. See
Attachment Drive Belt Replacement on page 20.
5. Adjust clutch idler according to
Attachment Clutch/Brake Adjustment on page 22.
CONTROLS AND FEATURES
2
1. Attachment Clutch Lever
2. Speed Selector
3. Traction Drive Clutch Lever
4. Chute Crank
5. Muffler Guard
6. Discharge Chute Deflector
7. Discharge Chute
8. Impeller
9. Auger
10. Scraper Blade
11. Auger Gearcase
12. Clean-out Tool
13. Oil Fill and Dipstick
14. Gas Tank and Cap
15. Starter Button
16. Electric Starter
17. Recoil Starter Handle
18. Primer Bulb
19. Throttle (Engine Stop)
20. Ignition Switch (Push /Pull)
21. Choke
22. Axle Lock Pin
23. Runner(s)
24. Belt Cover
25. Fuel Shut-off Valve
26. Handlebar
Figure 7
OS7077
GB - 10
OPERATION
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
WARNING: To avoid injury to hands and feet, always disengage clutches, shut off engine, and wait for all movement to stop before unclogging or working on snow thrower.
Keep hands and feet away from auger and impeller.
IMPORTANT: If the belt squeals when the attachment clutch lever is engaged, the impeller may be frozen in the auger housing.
Immediately release the attachment clutch lever and move the unit into a heated area to thaw.
NOTE: If belt squeals when impeller turns freely, see Attachment Drive Belt
Replacement on page 20.
Ignition Switch (Push/Pull Safety
Key)
2
Key Switch has two positions:
1. “Stop” - pulled out
2. "Run" - pushed in
NOTE: DO NOT twist key after it is inserted.
CONTROLS AND FEATURES
See Figure 7 for all Controls and Features locations.
Dual Handle Interlock
When Attachment Clutch and then Traction
Drive Clutch are engaged, the Attachment
Clutch will remain engaged (lever down) if released. To stop attachment, release
Traction Drive Clutch and both clutches will disengage.
Traction Drive Clutch - Left Hand
Lever
2
1
Squeeze the Traction
Drive Clutch Lever against the Handlebar (1) to engage wheel drive for propelling unit. Forward speed will vary according to snow depth and moisture content.
OL2701
Release lever (2) to stop movement.
NOTE: When traveling to or from the area to be cleared, press down on the handlebars enough to raise the front of the unit slightly off the surface. Engage the traction drive clutch without engaging the attachment drive clutch.
Attachment Clutch - Right Hand
Lever
2
1
Squeeze Attachment
Clutch Lever against handlebar (1) to engage attachment.
Release both clutch levers (2) to disengage power and apply brake to attachment.
1
Primer Bulb
Pushing the primer bulb in adds fuel for easier engine start.
Refer to Starting and Shut Off on page 14.
OS1321
Speed Selector
Position the Speed Selector in the appropriate speed notch to control forward and reverse travel.
Forward:
6
(6) Fastest
(1) Slowest
Reverse:
(1) Slow
(2) Fast
1 1 2
OS1193
IMPORTANT: DO NOT change motion from forward to reverse with clutch engaged.
Forward speed can be changed without declutching.
OL2691
GB - 11
Choke Control Knob
2
1
1.Choke Closed position: chokes off air to engine for easier start.
2.Choke Open position: allows for normal operation.
IMPORTANT: Gradually open choke after engine starts.
1
Throttle
1
2
3
4
The throttle controls the engine speed. To increase or decrease the engine speed, adjust to:
1. Fast (normal or warm starts)
2. Part-Throttle
3. Slow (cold weather starts)
4. Stop (engine is off)
Electric Starter
The electric starter will start a properly choked and cranked engine when the starter
button is pushed. Refer to Starting and Shut
Recoil Starter Handle
When pulled, handle will turn engine over.
IMPORTANT: DO NOT let handle snap back against starter.
See Starting and Shut Off on page 14.
Snow Clean-Out Tool (Figure 8)
WARNING: Hand contact with the rotating impeller is the most common cause of injury associated with snow throwers. Never use your hand to clean out the discharge chute.
1. Snow Clean-Out Tool
Figure 8
OS8040
To clear the discharge chute:
1. Shut off the engine.
2. Wait 10 seconds and make sure impeller blades have stopped rotating.
3. Remove the snow clean-out tool (1) from the auger housing and use it to remove the clog from the discharge chute.
4. Replace the snow clean-out tool on the auger housing.
Discharge Chute Deflector
ALWAYS position discharge chute deflector at a safe angle before starting engine.
DO NOT throw snow any higher than necessary.
Push deflector handle forward or down to throw snow lower. Pull deflector handle up or to the rear to throw snow higher.
IMPORTANT: If Chute Deflector does not stay in set position, adjust as directed in
SERVICE AND ADJUSTMENTS on page 18,
or repair before operation.
Discharge Chute
Discharge chute rotates 186°.
ALWAYS position discharge chute in safe direction and angle, away from operator and bystanders, before starting engine.
Discharge Chute Crank
IMPORTANT: If chute does not stay in set
position, adjust as directed in SERVICE AND
ADJUSTMENTS on page 18, or repair before
operation.
Rotate the chute with the discharge chute crank handle.
IMPORTANT: DO NOT force frozen chute controls. If frozen, take to warm place until controls are free.
GB - 12
Axle Lock Pin (Figure 9)
Use the axle lock pin to lock or unlock the right or left wheel. Lock both wheels to increase traction; unlock one wheel to allow for easier turning of the unit.
NOTE: Unit will not drive with both wheels unlocked.
Wheel Unlocked
FILLING FUEL TANK
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
Fuel Shut-Off Valve
IMPORTANT: The fuel shut-off valve MUST be in the closed position prior to transporting the unit.
The fuel shut-off valve has two positions:
Closed
Position: Use this position to service, transport, or store the unit.
Axle Lock
Pin
Open
Position: Use this position to run the unit.
OS7117
Figure 10
Wheel Locked
Figure 9
Scraper Blade
The scraper blade allows the back of the housing to keep better contact with the surface being cleared. It also prevents damage to the housing from normal wear.
IMPORTANT: DO NOT allow Scraper Blade to wear too far or Auger/Impeller housing will become damaged.
Runners
The runners control the distance between the scraper blade and the ground. Adjust runners equally to keep blade level with the ground.
Refer to Pre-Start on page 13 for
recommended settings.
To add fuel to fuel tank:
1. ALWAYS place unit in open or wellventilated area.
2. Stop engine and allow to cool.
3. Clean Fuel Cap and surrounding area to prevent dirt from entering Fuel Tank.
4. Remove Cap.
IMPORTANT: DO NOT use gasohol or gasoline containing alcohol. See Engine
Manual for correct type and grade of fuel.
5. Fill fuel tank to within 1/2 in. (1.2 cm) below bottom of filler neck with unleaded gasoline.
NOTE: Tank capacity is 3.5 qt (3.3 L)
6. Replace Fuel Cap and tighten.
7. ALWAYS clean up any spilled fuel.
PRE-START
1. Frozen Impeller
IMPORTANT: Before starting engine, check impeller to be sure it is not frozen.
To check impeller:
1. With ignition key switch in “Stop” position, squeeze Attachment Clutch
Lever to Engaged position.
2. Pull Recoil Starter Handle.
GB - 13
3. If Impeller is frozen, (cannot pull Starter
Handle) move unit to a heated area and thaw to prevent possible damage.
2. Check Function of Clutches
If clutches do not engage or disengage properly, adjust or repair before operation.
See Attachment Clutch/Brake Adjustment on page 22 and Traction Drive Clutch
Adjustment on page 25
3. Check Dual Handle Interlock
Without the engine running, press down
(engage) both clutch levers. Release attachment clutch lever. Attachment clutch should remain engaged until traction clutch lever is released, then both clutches must disengage.
If clutches do not engage or disengage properly, adjust or repair before operation
(see Attachment Clutch/Brake Adjustment on page 22 and Traction Drive Clutch
Adjustment on page 25).
4. Check Axle Lock
Use the axle lock pins to lock or unlock the wheels. Lock both wheels to increase traction; unlock one wheel to allow for easier turning of the unit.
5. Check Runners
Check and adjust Runners (Runners on page 18). Allow 1/8 in. (3 mm) between
scraper blade and hard, smooth surface(s).
Allow 1-1/4 in. (30 mm) between scraper blade and uneven or gravel surfaces.
6. Check Engine Fuel & Crankcase
Oil
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
Check and add fuel if required. Check that the engine crankcase oil is full using dipstick.
Refer to Engine Manual for detailed instructions.
TO STOP IN AN EMERGENCY
Immediately release both control levers to stop unit in an emergency. Stop engine, remove key and wait for all rotating parts to stop before leaving operator’s position.
STARTING AND SHUT OFF
WARNING: FAILURE TO FOLLOW
INSTRUCTIONS could result in personal injury and/or damage to unit. DO NOT attempt to start your unit at this time. Read entire
Owner/Operator Manual and the
Engine Manual first.
IMPORTANT: Allow unit and engine to adjust to the outdoor temperature before clearing snow. Before shut-off, run the attachment a few minutes to prevent impeller freeze-up.
NOTE: Try out each control without the engine running to see how it works and what it does.
Manual Start
1. Turn discharge chute straight ahead.
2. Make sure that the traction clutch and attachment drive clutch levers are fully disengaged.
3. Push Primer Bulb 2 or 3 times for cold engine.
NOTE: When temperature is below -15° F
(-26° C) additional priming may be needed.
4. If engine is cold, apply choke. See
Engine Manual for detailed instructions.
NOTE: A warm engine requires less choking than a cold engine.
5. Set throttle to proper starting position.
6. Insert key into ignition switch and push into RUN position. DO NOT twist key after it is inserted.
7. Grasp starter handle and pull rope out slowly until it pulls harder. Let rope rewind slowly.
8. Pull rope with a rapid continuous full arm stroke. Let rope rewind slowly.
IMPORTANT: DO NOT let Starter Handle snap against Starter.
9. Repeat steps 7 and 8 until engine starts.
(If engine does not start, refer to
10. Adjust choke as needed.
11. Set throttle to Part Throttle or Slow position for adaptation to outside temperature or travel. Set throttle to Fast position for normal operation.
GB - 14
Electric Start (120V)
1. Connect extension cord to starter.
IMPORTANT: Prevent damage to unit. Know voltage of your starter and only use matching outlets.
2. Plug extension cord into 120V 3-wire, grounded outlet.
3. Turn discharge chute straight ahead.
4. Make sure that the traction clutch and attachment drive clutch levers are fully disengaged.
5. Push Primer Bulb 2 or 3 times for cold engine.
NOTE: When temperature is below -15° F
(-26° C) additional priming may be needed.
6. Insert key into ignition switch on engine and push into "Run" position. DO NOT twist key after it is inserted.
7. If engine is cold, apply choke. A warm engine requires less choking than a cold engine. See Engine Manual for detailed instructions.
8. Set throttle to proper starting position
9. Press starter button on engine until engine starts.
IMPORTANT: DO NOT operate starter more than 15 seconds per minute, as overheating and damage can occur. (If engine does not
start, refer to TROUBLESHOOTING on page 28.)
10. Adjust choke as needed.
11. Disconnect power cord from outlet, then starter.
12. Set throttle to Part Throttle or Slow position for adaptation to outside temperature or travel. Set throttle to Fast position for normal operation.
Shut Off
1. Release Traction Drive Clutch Lever and allow unit to come to a complete stop.
2. Run Impeller a few minutes after use to prevent freeze-up of Impeller.
3. Release Attachment Clutch Lever and wait for all moving parts to come to a complete stop.
4. Move Throttle to the “Stop” position
5. Remove key.
SNOW REMOVAL
IMPORTANT: Allow unit and engine to adjust to the outdoor temperature before clearing snow.
NOTE: Attachment clutch should be engaged before wheel drive clutch when throwing snow.
1. Select Speed Control position and direction.
2. Engage Attachment Clutch - Right Hand
Lever.
3. Engage Traction Drive Clutch - Left
Hand Lever.
IMPORTANT: DO NOT overload unit capacity by attempting to clear snow at too fast a rate.
Use slow speed to clear deep or hard packed snow.
Tips for Operation
Snow is best removed as soon as possible after snow fall.
To clear an area, run unit in an overlapping series of paths. For large areas, start in the middle and throw snow to each side, so snow is not cleared more than once.
ALWAYS direct snow away from area to be cleared and with direction of the wind.
TRAVELING
To travel from one work area to another:
1. Set Throttle to Slow or Part-Throttle position.
2. Press down on handlebars enough to raise front of unit slightly off surface.
3. Engage wheel drive clutch without engaging attachment drive clutch.
TRANSPORT
ALWAYS shut off engine, remove key, and close fuel shut-off valve when transporting unit on a truck or trailer.
Use extra care when loading or unloading unit onto trailer or truck.
Secure unit chassis to transport vehicle.
NEVER secure from rods or linkages that could be damaged.
DO NOT transport machine while engine is running.
GB - 15
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
SERVICE POSITION
WARNING: Before tipping unit up onto housing, remove fuel so no spills will occur. Ensure unit is secure and will not tip over during maintenance.
Place unit on a flat level surface. Tip unit forward onto front of auger housing for service. Ensure unit is secure and will not tip over. Strap and clamp onto bench if needed.
Service Position
MAINTENANCE
Ariens Dealers will provide any service or adjustments which may be required to keep your unit operating at peak efficiency. Should engine service be required, contact an Ariens dealer or an authorized engine manufacturer's service center.
MAINTENANCE SCHEDULE
The chart below shows the recommended maintenance schedule that should be performed on a regular basis. More frequent service may be required.
MAINTENANCE SCHEDULE
Service
Performed
Each
Use
Every
5 hrs.
Every
25 hrs.
Yearly
Check Dual
Handle
Interlock
Check
Fasteners
Check Clutch
Operation
Check Clutch
Spring
Adjustments
•
•
•
Clean Engine •
Check Engine
Oil
Change
Engine Oil
Check Tire
Pressure
Check Auger
Gearcase
General
Lubrication
*
•
**
•
•
•
•
•
•
•
*
After first five hours of operation.
**
After first two hours of operation.
Figure 11
OS8045
CHECK DUAL HANDLE
INTERLOCK
Without the engine running, press down
(engage) both clutch levers. Release attachment clutch lever. Attachment clutch should remain engaged until traction clutch lever is released, then both clutches must disengage.
CHECK FASTENERS
Make sure all hardware is tightened properly.
GB - 16
CHECK CLUTCH OPERATION
Auger / impeller must stop within 5 seconds when attachment clutch/impeller brake lever is released.
Wheels must stop quickly when traction drive clutch lever is released.
If clutches do not engage or disengage properly, adjust or repair before operation
(see Attachment Clutch/Brake Adjustment on page 22 and Traction Drive Clutch
Adjustment on page 25).
CHECK CLUTCH SPRING
ADJUSTMENT
Make sure the attachment clutch and traction drive clutch are adjusted to the range specified in Attachment Clutch/Brake
Adjustment on page 22 andTraction Drive
Clutch Adjustment on page 25.
CLEAN ENGINE
Refer to Engine Manual for detailed instructions.
CHECK ENGINE OIL
The engine crankcase oil should be checked every 5 hours of operation. Oil level MUST be maintained in safe operating range on dipstick at all times or engine damage will result (See Engine Manual).
Park unit on a level surface. Refer to Engine
Manual for detailed instructions.
CHANGE ENGINE OIL
Change oil after first 2 hours of operation, thereafter change oil every 25 hours (more often if required). Refer to Engine Manual for detailed instructions.
Run engine just prior to changing oil. Warm oil will flow more freely and carry away more contamination. Remove the oil drain plug from the rear of the unit and tip the unit back to help drain all the oil.
CHECK TIRE PRESSURE
Keep tires at pressure listed on the tire
sidewall. (see Check Tire Pressure on page 9).
CHECK AUGER GEARCASE
IMPORTANT: Proper oil level must be maintained.
Gear cases are filled to the correct level at the factory. Unless there is evidence of leakage, no additional lubricant should be required. Check oil level each season or every 25 hours of operation.
GB - 17
To ensure adequate lubricant level:
1. Remove filler plug (Figure 12). Lubricant must be at least up to bottom of lubricant filler hole with unit resting on a levelsurface.
2. Add lubricant if required. Allow oil to drain to level of plug and replace plug.
IMPORTANT: Use only Ariens special gear lubricant L-2 (Part Number 00008000).
Gearcase filler plug may require an application of Loc-Tite® 565 thread sealant with repeated servicing.
1
1. Auger Gearcase
2. Filler Plug
Figure 12
2
OS1870
GENERAL LUBRICATION
IMPORTANT: Wipe each fitting clean before and after lubrication. Do not wipe gearcase filler plug; wiping the gearcase filler plug may remove thread sealant and cause leaks.
IMPORTANT: DO NOT allow grease or oil to get on friction disc, friction plate or belts.
NOTE: Apply Ariens Hi-Temp Grease or equivalent to the lubrication fittings. See
Sno-Thro should be lubricated (Figure 13) at
beginning of season or every 25 operating hours.
Auger Shaft
NOTE: To grease auger shaft, remove shear bolt nuts, and shear bolts. Apply grease at the grease zerks and then turn the auger assemblies on the auger shaft. Replace
shear bolts per instructions in Shear Bolts on page 19.
Grease
OS8050
Figure 13
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
SCRAPER BLADE
IMPORTANT: Damage to auger/impeller housing will result if blade wears down too far.
Scraper blade is adjustable to compensate for wear.
To adjust scraper blade:
1. Tip unit back onto handlebar, support housing and loosen nuts retaining blade
2. Adjust runners to fully raised position
(housing closest to ground).
3. Reposition scraper blade flush with runners and tighten lock nuts.
RUNNERS
Runners should be adjusted as conditions require (Figure 14).
1. Position unit on a hard, flat, smooth level surface.
2. Adjust runners by inserting a spacer of desired thickness under center of scraper blade, loosen runner hardware, slide runners to flat surface. Allow 1/8 in.
(3 mm) between scraper blade and hard smooth surfaces. Allow 1-1/4 in.
(30 mm) between scraper blade and uneven or gravel surfaces. Retighten hardware.
NOTE: Keep housing level by adjusting runners equally.
1
2
1. Runner
2. Runner Hardware
OS0482
Figure 14
GB - 18
SHEAR BOLTS
IMPORTANT: Use only Ariens shear bolts for replacement. Use of any other type of shear bolt may result in severe damage to unit.
Occasionally a foreign object may enter the auger/impeller housing and jam the auger, breaking shear bolts which secure the auger to the shaft (Figure 15). This allows auger to turn freely on the shaft which may help prevent damage to gear case and its components.
2
1
1. Auger
2. Shear Bolts
Figure 15
2
OS7150
For Replacement:
1. Align shear bolt holes in auger with shear bolt holes in the shaft.
2. Drive shear bolt through hole (if shear bolt was broken this will drive remaining part from shaft).
3. Secure shear bolt with nut.
DISCHARGE CHUTE DEFLECTOR
Deflector must stay in selected position while throwing snow.
To adjust, loosen then retighten hardware to desired deflection drag force (Figure 16).
1. Adjusting Hardware
2. Discharge Chute Deflector
3. Discharge Chute
Figure 16
OS8055
DISCHARGE CHUTE
If discharge chute does not stay in position while operating, tighten nut on carriage bolt at pivot point to increase tension on spring
(Figure 17).
1
2
1. Spring
2. Nut
Figure 17
1
2
OS7177
GB - 19
SPEED SELECTOR
ADJUSTMENT
To adjust (Figure 18):
1. Disconnect adjustment pivot pin from speed selector arm. Save hardware for reinstallation.
2. Place the speed selector on dash panel in the fastest forward speed position.
3. Turn the speed selector arm straight down towards the ground as far as it will go.
4. Thread the adjustment pivot pin along the shift rod until it aligns with the mating hole on the speed selector arm. Insert the pivot pin into hole.
5. Connect the pivot pin to the speed selector arm with the hardware removed
6. Check forward and reverse speeds: a. Start unit.
b. Shift speed selector into the first forward speed.
c. Engage the traction clutch. Unit should move forward.
d. Stop unit.
e. Shift speed selector into first reverse speed.
f. Engage the traction clutch. Unit should move backward.
g. Shut off unit.
7. Adjust pivot pin on the shift rod as necessary so unit travels forward when speed selector is in first forward position and travels backward when speed selector is in first reverse position.
8. Connect the pivot pin to the speed selector arm with the hardware removed
NOTE: If first forward speed is too fast, disconnect adjustment pivot pin from speed selector arm. Rotate pivot pin to move it up the shift rod a maximum of two turns and reconnect pivot pin to speed selector arm.
3
1
2
1. Shift Rod
2. Adjustment Pivot Pin
3. Speed Selector Arm
4. Hairpin
Figure 18
OS8060
ATTACHMENT DRIVE BELT
REPLACEMENT
Remove Attachment Drive Belt
(Figures 19, 20 and 21)
1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.
2. Remove two screws securing belt cover to unit and remove belt cover.
3. Remove spring pin from chute crank and separate.
4. Remove belt finger by removing cap screws mounting belt finger to engine
(Figure 20 or Figure 21).
5. Remove attachment drive belt from engine sheave (it may be necessary to turn engine sheave using recoil starter handle).
CAUTION: Always support Sno-Thro frame and housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position.
IMPORTANT: To avoid bending bottom cover, when tipping unit apart, support handlebars firmly or tip unit up on housing and remove bottom cover by removing six cap screws before separating unit.
6. Support Sno-Thro frame and housing.
GB - 20
7. Remove hex bolts securing housing to frame (two on each side). Tip housing and frame apart on pivot pin.
8. Remove attachment drive belt from attachment pulley (hold brake away from belt).
1
2
3
4
5
1. Pinion Gear
2. Belt Cover
3. Spring Pin
Figure 19
4. Chute Crank
OS8062
Replace Attachment Drive Belt
1. Place new belt onto attachment pulley.
NOTE: Holding down the attachment clutch lever will make it easier to reconnect the housing and frame.
2. Tip housing and frame back together and secure with hex bolts.
3. Place belt onto engine sheave.
4. Replace belt finger.
IMPORTANT: With the clutch lever engaged, the belt finger located opposite the belt idler must be less than 3/64 in. (1.3 mm) from the belt, but not touching the belt, or belt grabbing may occur causing impeller to rotate while the attachment clutch is disengaged
(Figure 21).
5. Adjust clutch per Attachment
Clutch/Brake Adjustment on page 22.
WARNING: AVOID INJURY. Auger must stop within 5 seconds when attachment lever is released or serious injury or unit damage may result.
6. Replace chute crank and secure with spring pin.
7. Run in the attachment belt. See Run-in
8. Replace belt cover.
8
1. Traction Belt
Idler
2. Traction
Drive Belt
3. Engine
Sheave
4. Belt Finger
Figure 20
5. Attachment
Drive Belt
6. Attachment
Pulley
7. Attachment
Idler Nut
8. Attachment
Belt Idler
OS8065
1
1. Belt Finger
2. Belt
Figure 21
3/64 in. (1.3 mm)
(Maximum)
2
OS8067
GB - 21
TRACTION DRIVE BELT
REPLACEMENT
NOTE: Housing and frame must be tipped apart and attachment drive belt removed from engine sheave in order to change traction drive belt (Figures 19, 20, 21 and 24)
CAUTION: Always support Sno-Thro frame and blower housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position.
1. Remove attachment drive belt (See
Remove Attachment Drive Belt on page 20).
NOTE: To gain belt clearance, remove swing
gate spacer (Figure 22) so drive plate can be
slid over until finger is out of frame and drive plate can swing past stop hole in frame. See
1. Swing Gate
2. Swing Gate Finger
3. Drive Plate
Figure 23
OS8068
2. Pull idler away from traction drive belt and remove belt from idler, crankshaft pulley and driven pulley (it may be necessary to turn crankshaft pulley using recoil starter handle).
3. Replace traction drive belt.
4. Swing drive plate toward friction disc to slide finger into stop hole in frame.
Reinstall swing gate spacer.
NOTE: Make sure drive plate spring remains connected to the frame and drive plate.
5. Replace attachment drive belt (See
Replace Attachment Drive Belt on page 21).
ATTACHMENT CLUTCH/BRAKE
ADJUSTMENT
1. Swing Gate
Spacer
2. Swing Gate Finger
3. Drive Plate
Figure 22
OS8069
WARNING: IMPROPER
ADJUSTMENT could result in unexpected movement of auger and impeller causing death or serious injury. AUGER / IMPELLER MUST
STOP within 5 seconds when
Attachment Clutch/Impeller Brake
Lever is released.
WARNING: Adjustment procedure requires the engine to be run with the belt cover off. AVOID INJURY. Read and understand the entire Safety section before proceeding.
GB - 22
Remove Attachment Cable Slack
1. Remove the belt cover.
2. Loosen jam nut on cable adjustment barrel, and then turn the adjustment barrel down to shorten cable and remove all cable slack. See Figure 24.
With the attachment clutch disengaged, check the attachment idler arm position here. The attachment idler arm should lightly touch the frame.
1. Attachment Clutch Cable
2. Cable Adjustment Barrel
3. Jam Nut
Figure 24
OS8070
3. With the attachment clutch disengaged, check that the attachment idler arm lightly touches the frame. See Figure 25.
Figure 25
OS7188
4. Tighten jam nut on cable adjustment barrel.
Check Attachment Idler Arm Roller
Clearance
1. Place the unit into the service position.
Remove the bottom cover.
2. With the clutch lever engaged, check the clearance between the frame and plastic roller on the lower end of the attachment idler arm. See Figure 26.
• If roller is 1/2 – 7/8 in. (12.7 – 22.2 mm) from frame, go to Adjust the
Attachment Clutch Cable Spring
Extension on page 24.
• If roller is less than 1/2 in. (12.7 mm) from frame, loosen idler adjustment nut and move idler closer to the belt.
Tighten adjustment nut and recheck the roller clearance.
• If roller is more than 7/8 in. (22.2 mm) from frame, loosen idler adjustment nut and move idler away from the belt.
Tighten adjustment nut and recheck roller clearance.
GB - 23
Roller should be 1/2 – 7/8 in. (12.7 – 22.2 mm) from the frame when the attachment clutch is engaged.
2. Adjust cable length (See Figure 27).
a. Loosen jam nut on cable.
b. To increase spring extension, adjust barrel down the cable and tighten jam nut.
c. To decrease spring extension, adjust barrel up the cable and tighten jam nut.
Figure 26
OS8080
Adjust the Attachment Clutch Cable
Spring Extension
1. Check the attachment clutch cable spring extension.
Measure the length of the attachment clutch cable spring with the clutch lever disengaged.
Then measure the attachment clutch spring with the clutch lever engaged.
See Figure 27. The spring should be 1/2
– 9/16 in. (12.7 – 14.3 mm) longer when the clutch lever is engaged.
• If spring extension is within the
Attachment Brake (Figure 29) on page 24.
• If spring extension is outside of specified range, go to step 2.
1. Engine
Sheave
2. Traction Drive
Belt
3. Traction Belt
Idler
4. Attachment
Idler Nut
5. Attachment
Belt Idler
6. Belt Finger
7. Traction Belt
Idler Nut
Figure 28
OS8090
Check Attachment Brake (Figure 29)
1. With the clutch lever disengaged, brake pad must contact attachment belt. With clutch lever engaged, brake pad must be more than 1/16 in. (1.6 mm) from belt. If there is more than 1/16 in. (1.6 mm) gap,
go to Check Belt Finger Clearance
(Figure 30) on page 25. If there is less
than 1/16 in. (1.6 mm) gap, go to Step 2.
Minimum of 1/16 in. (1.6 mm)
1/2 – 9/16 in.
(12.7 – 14.3 mm)
Figure 27
OS8085
GB - 24
1. Brake Arm and Pad
2. Attachment Pulley
Figure 29
OS8092
2. If there is less than 1/16 in. (1.6 mm) gap between brake pad and belt, follow these steps: a. To increase brake pad gap, loosen idler adjustment nut, and move idler away from belt.
Position idler to achieve a 1/16 in.
(1.6 mm) minimum brake pad gap and a 1/2 – 7/8 in. (12.7 – 22.2 mm) gap between the plastic roller and the frame.
b. Check the clutch cable spring extension and adjust as necessary to achieve a 1/2 – 9/16 in. (12.7 – 14.3 mm) spring extension.
c. If the cable needed adjustment, recheck gaps described in step 1.
Repeat steps as necessary until brake clearance, roller gap and spring extension are within specified ranges.
IMPORTANT: If adjustments cannot be brought into specified ranges see your Dealer for repairs.
Check Belt Finger Clearance
(Figure 30)
1. With clutch lever engaged, the belt finger located opposite the belt idler must be less than 3/64 in. (1.3 mm) from belt, but not touching the belt.
To adjust belt finger, loosen the bolts and move the finger to the proper position.
Tighten the bolts and recheck the belt finger clearance.
2. Replace the belt cover.
Check belt finger clearance here. With the attachment clutch engaged, there should be less than 3/64 in. (1.3 mm) clearance between the belt and the belt finger. The belt finger should not touch the belt.
TRACTION DRIVE CLUTCH
ADJUSTMENT
If drive slips, adjust traction clutch to compensate for friction disc wear.
To test traction clutch (Figure 31):
1. Put unit in first forward speed.
2. Without engine running, push unit forward while slowly moving the traction drive clutch lever toward the handlebar.
3. Measure distance between lever and handlebar when the wheels begin to brake. If distance is not 7-1/2 – 8 in.
(19.0 – 20.3 cm), adjust the traction clutch.
Traction Clutch Lever
7-1/2 – 8 in.
(19.0 – 20.3 cm)
Figure 31
OS2490
To adjust traction clutch (Figure 32):
1. With the traction drive clutch lever disengaged, loosen the jam nut on the cable adjuster.
Turn adjustment barrel up the cable to decrease the distance between clutch lever and handlebar.
Turn the adjustment barrel down the cable to increase the distance between clutch lever and handlebar.
2. Check traction clutch lever distance and repeat adjustment steps if necessary.
3. Tighten jam nut on traction cable adjustment barrel.
4. With the clutch disengaged, check that there is more than 1/32 in. (0.8 mm) clearance between friction disc and drive plate assembly. See Figure 33 on page 26.
Figure 30
OS8067
GB - 25
1
5
6
11. Remove old friction disc. Put the new friction disc in place, cup side to carrier bearing.
12. Reinstall three screws into new friction disc and carrier bearing. Torque to 5 – 6 lbf-ft. (6.8 – 8.13 N•m).
4
1. Traction Drive
Clutch Cable
2. Adjustment
Barrel
3. Jam Nut
Figure 32
4. Adjustment
Pivot Pin
5. Speed
Selector Arm
6. Attachment
Clutch Arm
OS8094
FRICTION DISC REPLACEMENT
Remove Friction Disc (Figure 32 and
Figure 33):
1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.
CAUTION: Before tipping unit, remove enough fuel so that no spills occur.
2. Place the unit into the service position on a level surface.
3. Remove lockpins from wheel axles and remove wheels.
4. Remove bottom cover by removing six hex bolts.
5. Disconnect pivot pin from the speed selector arm. Save the hardware for reinstallation.
6. Remove spring clip pin nearest drive gear from hex shaft.
7. Remove left bearing flange from frame.
8. Slide hex shaft to the left to remove the flat washer, pinion gear and friction disc assembly from the hex shaft.
NOTE: Be sure to save washers between bearing and sliding fork for reassembly.
9. Remove friction disc assembly from frame.
10. Remove three screws holding friction disc to carrier bearing.
GB - 26
1. Hex Shaft
2. Friction Disc
Assembly
3. Left Bearing
Flange
4. Speed Selector
Arm
5. Friction Disc
Figure 33
6. Right Bearing
Flange
7. Carrier Bearing
8. Spring Clip
9. Drive Gear
10. Drive Plate
Assembly
OS8095
13. Insert new friction disc assembly into frame. Install washers onto carrier bearing and slide into speed selector arm.
14. Slide hex shaft through new friction plate assembly. Install pinion gear and washer onto hex shaft and slide shaft into right bearing.
15. Install left bearing using hardware
16. Reinstall clip pin into hex shaft.
17. Connect pivot pin to speed selector arm.
See Speed Selector Adjustment on page 20.
18. Install bottom cover.
19. Reinstall wheels.
20. Return unit to upright position.
21. Connect spark plug wire to spark plug.
22. Adjust traction drive clutch. See
Traction Drive Clutch Adjustment on page 25.
STORAGE
WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
SHORT TERM
IMPORTANT: NEVER spray unit with high pressure water or store unit outdoors.
Run with attachment clutch engaged a few minutes after each use to free unit of any loose or melting snow.
Close fuel shut-off valve.
Inspect unit for visible signs of wear, breakage or damage.
Keep all nuts, bolts and screws properly tightened and know unit is in safe working condition.
Store unit in a cool, dry protected area.
LONG TERM
Clean unit thoroughly with mild soap and low
pressure water and lubricate (see
MAINTENANCE on page 16). Touch up all
scratched painted surfaces.
Remove weight from wheels by putting blocks under frame or axle.
Fuel System
Gasoline left in the fuel system for extended periods without a stabilizer will deteriorate, resulting in gum deposits in the system.
These deposits can damage the carburetor and the fuel hoses, filter and tank. Prevent deposits from forming in the fuel system during storage by adding a quality fuel stabilizer to the fuel. Follow the recommended mix ratio found on the fuel stabilizer container.
SERVICE PARTS
Order the following parts through your
Dealer:
Part No.
Description
00036800 Ariens Hi-Temp Grease (3, 3 oz. cartridges)
21533500 Spark Plug
07238500 Impeller Belt
07200101 Traction Belt
53200500 Shear Bolts
00170800 Friction Disc
00592900 Gas Stabilizer (4 oz.)
ACCESSORIES
See your authorized Ariens dealer to add the additional accessories available to your
Sno-Thro.
Part No.
Description
73203100 Slicer Bar
72200600 120 Volt Starter Kit
72406500 Front Weight Kit
To treat the fuel system for storage:
1. Add fuel stabilizer according to manufacturers’s instructions.
2. Run engine for at least 10 minutes after adding stabilizer to allow it to reach the carburetor.
NEVER store the engine with fuel in the fuel tank inside of a building with potential sources of ignition.
GB - 27
PROBLEM
Engine will not crank/start.
Engine stops.
TROUBLESHOOTING
PROBABLE CAUSE CORRECTION
1. Fuel tank is empty.
2. Fuel shut-off valve closed.
3. Build up of dirt and residue around governor/carburetor.
4. Key Switch not in run position.
5. Electric starter not functioning.
1. Out of fuel.
2. Fuel shut-off valve closed.
3. Mechanical jam in blower rake or impeller.
4. Polluted fuel supply.
5. Faulty spark plug.
1. See Engine Manual.
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Clean area around governor/carburetor.
4. Put Key Switch into run position.
5. Check for a bad starter or connections.
1. Fill fuel tank.
2. Open fuel shut-off valve.
3. Turn off engine, remove key, and wait for all moving parts to stop. Check for and remove obstruction and repair before restart.
4. Replace with clean fuel.
5. Replace or clean spark plug.
Engine problems.
Does not operate in
Forward /
Reverse.
1. Friction disc not adjusted properly.
2. Traction belt not functioning.
3. Speed selector not adjusted properly.
Small rubber beads collect in frame
Unit throws snow poorly or does not throw snow.
1. Friction disc wear.
1. Shear bolts broken.
2. Attachment clutch/brake not adjusted properly.
3. Auger is frozen in place.
4. Ice or debris is obstructing auger.
5. Attachment drive belt slipping, worn or damaged.
1. Repair or replace friction disc
(see Friction Disc Replacement
on page 26).
2. Repair or replace traction drive belt (see Traction Drive Belt
Replacement on page 22).
3. Adjust speed selector (see
Speed Selector Adjustment on page 20).
1. Normal friction disc wear.
Chunks or large pieces of rubber mean friction disc should be checked and replaced as necessary.
1. Replace shear bolts (see Shear
2. Adjust attachment clutch/brake
(see Attachment Clutch/Brake
Adjustment on page 22).
3. Move unit to a warm place to thaw.
4. With the engine off and auger disengaged, check for obstructions and remove.
5. Adjust or replace attachment drive belt (see Attachment
Clutch/Brake Adjustment on page 22).
GB - 28
Model Number
Description
Engine -
Power Max - HP (kW)
Maximum RPM
Displacement - in. (cc)
Electric Start
Fuel
Tank Capacity - qt (Liters)
Snow Clearing Width - in. (cm)
Chute
Rotation Angle
Impeller
Diameter - in. (cm)
Speed - RPM-Max (min
-1
)
Auger
Diameter - in. (cm)
Speed - RPM- Max (min
-1
)
Auger Brake
Drive
Speeds
SPECIFICATIONS
920001
ST624E
Tecumseh
OH195SA
6.0 (4.5)
3600 ± 150
11.88 (195)
120V
See Engine Manual
3.5 (3.3)
24 (61.0)
186°
12 (30.5)
1200
11.0 (27.98)
120
Yes
Disc-O-Matic
®
6 Forward and 2
Reverse
13 (33) Pneumatic Tires - in. (cm)
Size and Weight
Length - in. (cm)
Height - in. (cm)
Width - in. (cm)
Weight - lbs (Kg)
51.6 (131.1)
44.1 (112.1)
26.5 (67.3)
160 (72.6)
920003
ST520E
Tecumseh
LH195SA
5.0 (3.7)
3600 ± 150
11.88 (195)
120V
See Engine Manual
2.0 (1.9)
20 (50.8)
186°
12 (30.5)
1200
11.0 (27.98)
120
Yes
Disc-O-Matic
®
6 Forward and 2
Reverse
13 (33)
51.6 (131.1)
44.1 (112.1)
22.5 (57.2)
146 (66.2)
GB - 29
Three-Year Limited Sno-Thro
®
Warranty
Ariens Company (Ariens) warrants to the original purchaser that Ariens Sno-Thro products will be free from defects in material and workmanship for a period of three years after the date of purchase. An authorized
Ariens dealer will repair any defect in material or workmanship, and repair or replace any defective part, subject to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge to the original purchaser (labor and parts), except as noted below.
The duration of this warranty applies only if the product is put to personal use around a household or residence. If the product is put to any business use, agricultural, commercial, or industrial, then the duration of this warranty shall be 90 days after the date of purchase, or one year after the date of purchase if the product is labeled as a Pro, Professional, or Commercial Product. If any product is rented or leased, then the duration of this warranty shall be 90 days after the date of purchase. It is the owner’s responsibility to perform correctly the maintenance and minor adjustments explained in the owner’s manual.
Dura-Clean
®
Auger Limited Lifetime Warranty
Ariens warrants to the original purchaser that the rubber components of the DURA- CLEAN Auger on single stage Sno-Thro models manufactured by Ariens and sold after July 1, 1999 will be free from defects in material and workmanship for the life of the unit.
The lifetime limited warranty on the rubber components of the DURA-CLEAN Auger applies only if the product is put to personal use around a household or residence. If the product is put to any business use, agricultural, commercial, or industrial, then the duration of this warranty shall be 90 days after the date of purchase. An authorized Ariens dealer will replace any rubber component of the DURA-CLEAN
Auger found upon examination by Ariens to be defective or worn beyond the wear indicator. Replacements will be supplied free of charge. Labor is not included after two years from the date of purchase of the Sno-Thro unit (all repairs must be completed by an authorized Ariens dealer).
Service Parts and Accessories Warranty
• Genuine Ariens or Gravely brand service parts and accessories are warranted to be free from defects in material and workmanship for a period of 90 days after the date of purchase. An authorized Ariens dealer will repair or replace any such part or accessory free of charge, except for labor, during that period.
Exceptions, Limitations, Exclusions
Customer Responsibilities
Register the product immediately at the time of sale. If the dealer does not register the product, the customer must complete the product registration card in the literature package and return it to the Ariens
Company, or register the unit online at www.ariens.com or www.gravely.com.
To obtain warranty service, the original purchaser must:
• Perform the maintenance and minor adjustments explained in the owner’s manual.
• Promptly notify Ariens or an authorized Ariens or Gravely service representative of the need for warranty service.
• Transport the product to and from the place of warranty service.
• Have the warranty service performed by an authorized Ariens or Gravely service representative.
To find an Ariens or Gravely authorized service representative, contact Ariens at:
655 W. Ryan Street
Brillion, WI 54110
(920) 756 - 2141 www.ariens.com
www.gravely.com
ARIENS COMPANY
GRAVELY
®
| STENS
®
| LOCKE
®
| NATIONAL
®
MOWER | BYNORM
®
| EVERRIDE
®
| GREAT DANE
®
Snow_2008
30
Limitations
• Batteries are warranted only for a period of 12 months after date of purchase, on a prorated basis. For the first 90 days of the warranty period, a defective battery will be replaced free of charge. If the applicable warranty period is more than 90 days, Ariens will cover the prorated cost of any defective battery, for up to 12 months after the date of purchase.
• Friction discs, belts, idlers, cables, and electrical components on Sno-Thro models put to personal use around a household or residence are warranted against defects in materials or workmanship to the
original purchaser for two years.
Exclusions – Items Not Covered by This Warranty
• Engines and engine accessories are covered only by the engine manufacturer’s warranty and are not covered by this warranty.
• Parts that are not genuine Ariens or Gravely service parts are not covered by this warranty.
• Damages resulting from the installation or use of any part, accessory or attachment which is not approved by the Ariens Company for use with product(s) identified herein are not covered by this warranty.
• The following maintenance, service and replacement items are not covered by this warranty unless they are noted in the Limitations section above: lubricants, spark plugs, oil, oil filters, air filters, shoes, runners, scraper blades, shear bolts, headlights, light bulbs.
• Any misuse, alteration, improper assembly, improper adjustment, neglect, or accident which requires repair is not covered by this warranty.
• This warranty applies only to products purchased in the United States (including Puerto Rico) and
Canada. In all other countries, contact place of purchase for warranty information.
Disclaimer
Ariens may from time to time change the design of its products. Nothing contained in this warranty shall be construed as obligating Ariens to incorporate such design changes into previously manufactured products, nor shall such changes be construed as an admission that previous designs were defective.
LIMITATION OF REMEDY AND DAMAGES
Ariens Company’s liability under this warranty, and under any implied warranty that may exist, is limited to repair of any defect in workmanship, and repair or replacement of any defective part. Ariens shall not be liable for incidental, special, or consequential damages (including lost profits). Some states do not allow the exclusion of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
DISCLAIMER OF FURTHER WARRANTY
Ariens Company makes no warranty, express or implied, other than what is expressly made in this warranty. If the law of your state provides that an implied warranty of merchantability, or an implied warranty of fitness for particular purpose, or any other implied warranty, applies to Ariens Company, then any such implied warranty is limited to the duration of this warranty. Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
ARIENS COMPANY
GRAVELY
®
| STENS
®
| LOCKE
®
| NATIONAL
®
| BYNORM
®
| EVERRIDE
®
| GREAT DANE
®
Snow_2008
31
Ariens Company
655 West Ryan Street
Brillion, WI 54110-1072
920-756-2141
Fax 920-756-2407 www.ariens.com
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