Sno-Thro ® Owner/Operator Manual Models 932036 - 524 932037 - 724 932504 - 524 932505 - 724 U.S. Patents Pending ENGLISH FRANÇAIS ESPAÑOL Transfer model & serial number label from product registration here. Coller l’autocollant du modèle et du numéro de série dans cet encadré. Transferir aquí la etiqueta del modelo y número de serie del registro del producto.
Ariens Company 655 West Ryan Street P.O.
Philip J.
CONTROLS AND FEATURES ENGLISH 1. Traction Drive Clutch Bail 2. Speed Selector 3. Chute Crank 4. Muffler Guard (932504, 505) 5. Discharge Chute Deflector 6. Discharge Chute 7. Impeller 8. Auger 9. Auger Gearcase 10. Scraper Blade 11. Oil Fill and Dipstick 12. Gas Tank and Cap 13. Recoil Starter Handle 14. Electric Starter (932036, 037) 15. Primer Bulb 16. Throttle (Engine Stop) 17. Ignition Switch (push-pull) 18. Choke 19. Spark Plug and Wire 20. Runner(s) 21. Belt Cover 22. J-Bolt 23. Handlebar 24.
1 2 24 4 5 3 23 6 22 7 25 21 8 26 10 20 9 19 11 12 17 18 13 14 16 15 OS2420 Figure 1 5 OS0503
TABLE OF CONTENTS Controls and Features . . . . . . . . . . . . . . . . 4 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . 18 Service and Adjustments . . . . . . . . . . . . . 20 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Troubleshooting . . . . . . . . . . . . . . . . . . . . .
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.
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 DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to figure below for Safety Decal locations.
2. DANGER! OS2070 ROTATING PARTS! Stop engine and remove key before clearing. High speed impeller rotates below discharge opening. Wait for all moving parts to stop before removing clogs or servicing. 3. DANGER! ROTATING PARTS. Keep clear of auger while engine is running. • Read Operator’s Manual. OS2080 • 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.
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.
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.
ASSEMBLY WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. WARNING: Dropping or tipping over boxed unit could result in personal injury or damage to unit. Tools Required: • Pliers • Open-End Wrenches: 3/8, 7/16, 1/2, 9/16 in. and/or Adjustable Wrench • Tire Gauge ASSEMBLY Unfold Handlebar (Figure 4) 1. Loosen wing knobs and release J-bolts from lower handlebar. 2. Unfold upper handlebar and align handlebar holes. 3.
932037, 505 932036, 504 4 5 5 4 6 3 5 1 4 1. Discharge Chute 2. Retainer Clip 3. Mounting Nut 4. Chute Ring 5. Chute Bracket 4 2 Figure 7 OS4500 Check Tire Pressure 8 Check tire pressure and adjust to the pressure listed on tire sidewall. Check Auger Gearcase Oil 3 2 1 7 1. Discharge Chute 2. Spring Clip 3. Chute Crank 4. Hardware 5. Chute Support Bracket 6. Chute Crank Support Bracket 7. Chute Seat 8.
OPERATION Ignition Switch WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. 2 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. Key Switch has two positions: 1. “Stop” - pulled out 2. Run - pushed in NOTE: DO NOT twist key after it is inserted.
Throttle 1 2 3 STOP Axle Lock Pin (Figure 8) Wheel Unlocked 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) 4 OL2720 Electric Starter The electric starter will start a properly choked and cranked engine when the starter button is pushed. Refer to Starting and Shut-Off. Recoil Starter Handle Wheel Locked When pulled, handle will turn engine over.
FILLING FUEL TANK 4. Adjust Runners Check and adjust Runners (see Service and Adjustments). 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. 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.
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 Troubleshooting.) 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.
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. 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.
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). 1 2 OS1830 1. Auger Gearcase 2. Filler Plug Figure 9 GENERAL LUBRICATION IMPORTANT: Wipe each fitting clean before and after lubrication. IMPORTANT: DO NOT allow grease or oil to get on friction disc, friction plate or belts. NOTE: Apply Stens Mix Hi-Temp Grease or equivalent to the lubrication fittings. See Service Parts.
SERVICE AND ADJUSTMENTS 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. WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding.
2. Drive shear bolt through hole (if shear bolt was broken this will drive remaining part from shaft). 3. Secure shear bolt with nut. 8. Adjust pivot pin as needed so unit travels forward when speed selector lever is in first forward position and backward when speed selector lever is in first reverse position. 9. Secure adjustment pivot pin to speed selector lever with hairpin. 3 3 4 1 2 OS0402 1. Auger 2. Shear Bolt(s) 3.
ATTACHMENT DRIVE BELT REPLACEMENT 7 4 Remove Attachment Drive Belt 3 (Figures 16 and 17) 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 rod assembly and separate. 4. Remove hardware holding chute strap to engine and lift discharge chute off housing. 5. Remove belt finger by removing cap screws mounting belt finger to engine (Figure 17). 6.
4 3 5 6 7 2 1. Attachment Belt Idler 2. Belt Finger 3. Attachment Drive Belt 4. Traction Drive Belt 5. Camshaft Pulley 6. Engine Sheave 7. Traction Belt Idler 8. Attachment Pulley 9. Attachment Idler Nut 1 9 8 OS0464 Figure 17 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 16 and 17).
1. Remove belt cover. 2. Check belt alignment (Figure 17). Engine sheave and attachment pulley must align vertically. Also, belt must be centered in the idler pulley. To align, move engine sheave: a.Loosen set screws. b. Slide sheave and key to desired position. c.Tighten set screws. 3. Adjust cable slack. IMPORTANT: The clutch cable must be slack when clutch bail is disengaged. a.Center the upper cable adjuster on the mounting bracket, if necessary (Figure 17). Upper Cable Adjuster Figure 18 OS2460 b.
2-1/8 ± 3/8 in. (5.4 cm ± 9 mm) 3-1/2 ± 1/8 in. (8.9 cm ± 3 mm) 1 4 3 2 5 9 Traction Drive Clutch Bail Attachment Clutch Bail 8 7 6 OS0523 Figure 20 OS2490 TRACTION DRIVE CLUTCH ADJUSTMENT If drive slips, adjust traction clutch to compensate for friction disc wear. To test traction clutch (Figure 20): 1. Put unit in first forward speed. 2. Without engine running, push unit forward while slowly moving the traction drive clutch bail toward the handlebar. 3.
FRICTION DISC REPLACEMENT 6 11 5 1 2 3 9. Remove bearing cap/bushing and washer from right side of unit. 10. Reinstall nuts on screws through side frame to keep screws in place. 11. Carefully tap two (2) roll pins out of center and right end of shaft. 12. Slide friction disc assembly and hex shaft to the right until the left end of shaft is clear of left bearing. Tap lightly if necessary, to loosen. The shaft slides out of the small pinion gear and washer. 13.
STORAGE SERVICE PARTS Order the following parts through your Dealer: WARNING: AVOID INJURY. Read and understand the entire Safety section before proceeding. Part No. Description 00036800 Stens Mix Hi-Temp Grease (3, 3 oz. cartridges) 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.
TROUBLESHOOTING PROBLEM Engine will not crank/start. Engine stops. 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. Fill fuel tank. 2. Open fuel shut-off valve. 3. Clean area around governor/ carburetor. 1. Out of fuel. 2. Fuel shut-off valve closed. 3. Mechanical jam in blower rake or impeller. 1. Fill fuel tank. 2.
SPECIFICATIONS Model Number Description Engine - Tecumseh 932036 524 HSSK5067416U 932504 524 HSSK5067417U 3600 ± 150 (min-1) Fuel Tank Capacity - qt. (L) Snow Clearing Width in. (cm) Chute Rotation Angle Rotation Control at Handlebar Impeller Diameter - in. (cm) 120V 11.88 (195) Optional 120V Optional 120V or 240V 120V or 240V See Engine Manual 2 (1.96) 3.5 (3.3) 24 (61.0) 220˚ Yes 10 (25) Speed-RPM-Max (min-1) Auger Diameter - in.
3-Year Limited Sno-Thro Warranty Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.
Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.
