Ariens 924 SNO-THRO 924108 Service Manual

Ariens snow blower user manual
Hide thumbs Also See for 924 SNO-THRO 924108:

Advertisement

924 Sno-Thro
Service Manual
Models 924108 - 924113, 924115, 924327 - 924330, 924500, 924501
00040700 02/00
Printed in USA

Advertisement

Table of Contents
loading

Summary of Contents for Ariens 924 SNO-THRO 924108

  • Page 1 924 Sno-Thro Service Manual Models 924108 - 924113, 924115, 924327 - 924330, 924500, 924501 00040700 02/00 Printed in USA...
  • Page 2: Table Of Contents

    Section 1 - Introduction ....1.3 1.1 The Manual ..... . . 1.3 1.2 Service and Replacement Parts .
  • Page 3: Section 1 - Introduction

    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.
  • Page 4: Section 2 - Safety

    2.1 SAFETY ALERTS Look for these symbols to point out important safety precautions. They mean: Attention! Personal Safety Is Involved! Become Alert! Obey The Message! 2.2 SIGNAL WORDS The safety alert symbol is used in decals on the unit and with proper operation procedures in this manual. They alert you to the existence and relative degree of hazards.
  • Page 5: Safety Rules

    2.9 SAFETY RULES Walk Around Inspection Complete a walk around inspection of unit and work area to understand: • Work area. • Your unit. • All safety decals. Work Area ALWAYS check overhead and side clearances carefully before operation. ALWAYS be aware of traffic when operating along streets or curbs.
  • Page 6 Before maintenance, adjustments, or service (except where specifically recommended), shut off engine. Allow hot parts to cool. Keep unit free of dirt, stones, and other debris. Clean up oil or fuel spills. Storage DO NOT store unit inside a building with fuel in the fuel tank where any ignition sources are present.
  • Page 7: Section 3 - Specifications

    Model Number 924108 Model ST 824 SLE Engine - manufacturer Tecumseh HMSK80 Fuel Unleaded Fuel Tank Capacity 1 gallon Governed RPM 3600 ± 150 Crank Case Capacity 21 oz. Engine Oil 5W30 below 40 30W above 40 Spark Plug Gap/Type .030/Champion Drive/Differential Disc-O-Matic/No...
  • Page 8 Model Number 924327 Model ST 1028 SLE Engine - manufacturer Tecumseh HMSK100 Fuel Unleaded Fuel Tank Capacity 1 gallon Idle RPM 1800 Governed RPM 3600 ± 150 Crank Case Capacity 21 oz. Engine Oil 5W30 below 40 30W above 40 Spark Plug Gap/Type .030/Champion Drive/Differential...
  • Page 9 Model Number 924113 Model ST 1132 LE Engine - manufacturer Tecumseh OHSK110 Fuel Unleaded Fuel Tank Capacity 1 gallon Governed RPM 3600 ± 150 Crank Case Capacity 21 oz. Engine Oil 5W30 below 40 30W above 40 Spark Plug Gap/Type .030/Champion Drive/Differential Disc-O-Matic/Yes...
  • Page 10: Section 4 - General Maintenance & Adjustments

    SECTION 4 - GENERAL MAINTENANCE & ADJUSTMENTS 4.1 CONTROLS AND FEATURES 1. Attachment Clutch Lever 2. Speed Selector 3. Chute Crank 4. Wheel Drive Clutch Lever 5. Primer Bulb 6. Throttle 7. Choke 8. Scraper Blade 9. Oil Fill and Dip Stick 10.Chute Deflector 11.Discharge Chute 12.Axle Lock Pin...
  • Page 11: Service Positions

    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: ACCIDENTAL ENGINE START UP can cause death or serious injury.
  • Page 12: Fuel Shut-Off Valve

    To add fuel to the fuel tank: 1. Refuel the unit only in a well ventilated, open area. 2. Stop the engine and allow to cool. 3. Clean the fuel cap and the area around the fuel cap to prevent dirt from entering the fuel tank. Remove the cap from the fuel tank.
  • Page 13: Auger Gearcase

    2. Add lubricant, if required, allow oil to drain to level of plug and replace plug (Figure 4). 3. Use only Ariens special gear lubricant L-2 (P/N 00008000). 1. Auger Gearcase-Cast Iron 2. Oil Fill and Drain Level Plug 3.
  • Page 14: Attachment Drive Belt

    Loose clothing, long hair or scarves can get caught in rotating parts and cause death or serious injury. IMPORTANT: Use only Ariens Shear Bolts for replacement. Use of any other type of shear bolt may result in severe damage to the unit.
  • Page 15: Tire Pressure

    1. Auger 2. Roll Pin 3. Shear Bolt(s) 4. Nut(s) Figure 6 For Replacement: 1. Slide auger outward against roll pin and align hole in shaft with hole in auger. The holes in the shaft for the roll pins and Shear Bolts line up. 2.
  • Page 16 1. Carriage Bolt 7. Gear Strap 2. Spring 8. Mounting Nut 3. Pinion Bracket 9. Chute Ring 4. Pinion 10.Lower Ring 5. Chute Strap 11.Retainer Clip 6. Flat Gear Figure 8 Attachment Clutch/Impeller Brake WARNING: AUGER/IMPELLER MUST STOP within 5 seconds when Attachment Clutch/Impeller Brake lever is released or unit damage or serious injury may result.
  • Page 17 Adjustment is required if you are unable to shift into all gears. 1. Put unit into Upright Service Position. 2. Disconnect the speed selector rod from the adjustment lever by removing hairpin (Figure 11). 3. Place the speed selector in the fast reverse speed position (Figure 11).
  • Page 18: Wheel Drive Clutch Lever & Traction

    SECTION 5 - HANDLEBARS & CONTROLS 5.1 LOWER HANDLEBAR Remove nut and washer attaching lower handlebar to each side of frame and remove lower handlebar. Check parts for wear or replacement. Assemble, using reverse procedure. 5.2 ATTACHMENT CLUTCH HANDLE Remove (2) push nuts, pin and (2) screws holding Clutch Handle and pivot to upper handlebar.
  • Page 19: Clutch Yoke And Fork

    5.4 CLUTCH YOKE AND FORK Remove locknut and adapter spacer holding spring assembly in clutch yoke (Figure 13). Remove capscrew, nut, and rod adapter from yoke. Remove cotter pin from end of spring assembly in clutch fork. Remove spring assembly and extension spring.
  • Page 20: Section 6 - Engine

    6.1 ENGINE TROUBLESHOOTING The following troubleshooting chart is to be used to isolate engine problems and give possible causes and corrective action responses. TROUBLE Black Exhaust Blue/White Exhaust Difficult Starting Erratic Running Excessive Fuel Consumption High Oil Pressure Knocking Loss of Power or System Low Cranking Power Low Oil Pressure Misfiring...
  • Page 21: Removing The Engine

    See your engine manual for information on the opera- tion and maintenance of your engine. Follow those instructions for oil and filter changes. 6.2 REMOVING THE ENGINE 1. Drain gasoline. 2. Place unit in the Belt Service Position. 3. Remove both belts from the engine pulleys. Remove pulleys.
  • Page 22: Section 7 - Reduction Drive

    The unit can be equipped with either of two drive axles. The first type is a differential axle (Figure 14). To lock into two wheel drive the left hand wheel has a lockout hub. The second type is a spur gear drive (Figure 15). To lock a wheel to the axle, a pin is inserted through the wheel hub and through the axle.
  • Page 23: Drive Chain

    1. Bearing Flange 2. Ball Bearing 3. Bearing Flange 4. Axle Shaft 7.4 DRIVE CHAIN Place unit in Upright Service Position. To remove link from chain and chain from sprocket: On the continuous chain grind off end of rivet. When replacing chain, be sure retainer clip faces center of unit and is well seated in grooves of master link (P/N 00004100).
  • Page 24: Section 8 - Friction Wheel Drive

    SECTION 8 - FRICTION WHEEL DRIVE 8.1 FRICTION WHEEL 1. To replace friction wheel, tip unit up into the upright service position. 2. Remove bottom cover by removing four cap screws. 3. Place Speed Selector in first (1) position, depress Traction Clutch Lever to hold friction wheel and hub in position and remove cap screws.
  • Page 25 1. Spindle Hub 6. Ball Bearing 2. Friction Disk 7. Drive Plate 3. Disc Hub 8. Spindle 4. Flange Bushing 9. Housing Mount 5. Sleeve Bushing 10.Bearing Figure 18 11.Bearing Spacer 12.Spindle Housing 13.Carrier 8 - 25 PS0451...
  • Page 26: Section 9 - Auger/Impeller

    4. Tighten lock nuts. 9.3 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 an object may enter auger/impeller housing and jam auger, breaking shear bolts which secures auger to shaft.
  • Page 27: Discharge Chute

    9.4 DISCHARGE CHUTE WARNING: DO NOT put hands or feet near or under rotating parts. Keep clear of discharge opening at all times. WARNING: NEVER direct discharge of material toward bystanders nor allow anyone in front of equipment while unit is in operation. Be familiar with area of operation.
  • Page 28: Deflector

    9.5 DEFLECTOR To install a new deflector cable: Remove one jam nut from deflector cable (Figure 21). Route cable through retainer mounted on engine and chute bracket. Replace jam nut and secure cable threaded connector (from left side) to deflector bracket with cotter pin.
  • Page 29: Section 10 - Gear Case

    Check oil level periodically. Oil level must be up to oil fill hole. Change oil every 25 hours or once each season, whichever comes first. Fill with Ariens Special L-2 Gear Lubricant (P/N 000080). Use approximately 5 oz. 10.2 ALUMINUM GEAR CASE Remove auger/impeller and gear case from housing referring to Auger/Impeller Section.
  • Page 30 Cast Iron Gear Case Figure 22 10 - 30 1. Impeller 2. Worm Shaft 3. Adjustment Plug 4. Worm and Gear Service Assembly 5. Rake Shaft 6. Gear Case Shaft 7. Gear Case PS0472...
  • Page 31 Aluminum Gear Case 1. Impeller 2. Worm Shaft and Gear Assembly 3. Thrush Collar 4. Case, Left Side, Large Bore 5. Case, Right Side, Small Bore 6. Rake Shaft Figure 23 PS0281 10 - 31...
  • Page 32: Section 11 - Electrical

    11.1 CONTINUITY DIAGRAM The diagrams below show the various states of connection for electrical components. The solid lines on switches show continuity. NOTE: All switches are viewed from the rear. Key Switch (02739600) Solenoid (03551000) NOT ENERGIZED SECTION 11 - ELECTRICAL START ENERGIZED 11 - 32...
  • Page 33: Wiring Diagram

    11.2 WIRING DIAGRAM A.C. LIGHTING YELLOW ENGINE D.C. CHARGE MAGNETO STARTER STARTER SOLENOID YELLOW PURPLE WHITE / BLACK BATTERY BLACK FUSE - 10 AMP BROWN 11 - 33 HEAD LIGHT KIT (OPTIONAL) BLACK SWITCH PS0671...
  • Page 36 Ariens Company 655 West Ryan Street P .O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.ariens.com...

Table of Contents