Ariens Sno-Thro Deluxe 24 Service Manual

Ariens Sno-Thro Deluxe 24 Service Manual

Deluxe series
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Sno-Thro
Service Guide
Deluxe Series
Models
921045 – Deluxe 24
(SN 000101 +)
921046 – Deluxe 28
(SN 000101 +)
921047 – Deluxe 30
(SN 000101 +)
921048 – Deluxe 28 SHO
(SN 000101 +)
921049 – Deluxe 30 EFI
(SN 000101 +)
921323 – Deluxe 24 CE
(SN 000101 +)
921324 – Deluxe 28 CE
(SN 000101 +)
921325 – Deluxe 30 CE
(SN 000101 +)
921326 – Deluxe 28 Track CE
(SN 000101 +)
E10
ENGLISH
05001330D • 1/17

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Summary of Contents for Ariens Sno-Thro Deluxe 24

  • Page 1 ® Sno-Thro Service Guide Deluxe Series Models 921045 – Deluxe 24 (SN 000101 +) 921046 – Deluxe 28 (SN 000101 +) 921047 – Deluxe 30 (SN 000101 +) 921048 – Deluxe 28 SHO (SN 000101 +) 921049 – Deluxe 30 EFI (SN 000101 +) 921323 –...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS PRACTICES & LAWS ......2 TRACTION DRIVE CABLE REPLACEMENT..31 Remove Traction Drive Clutch Cable .
  • Page 3 TROUBLE CODE DIAGNOSTICS....61 Code 16: Low Battery Voltage ......61 Code 21: Barometer Sensor .
  • Page 5 Installing unauthorized parts will not automatically void the warranty; however, the warranty will not apply if the installation and use of unauthorized parts damages the unit. The Ariens warranty applies solely to defects in Ariens materials and / or factory workmanship. Ariens disclaims liability for any claims or damages –...
  • Page 6: Practices & Laws

    Failure to follow these instructions and warnings may cause death or serious 4. Notice injury. If you have purchased this product from an Ariens NOTICE: Indicates information or procedures that are dealer, the dealer can provide you with training.
  • Page 7: Safety Decals

    SAFETY DECALS Stop engine, remove key, and read manual The safety decals on your machine are visual reminders of before making any repairs or adjustments. the important safety information in this manual. All messages on your unit must be fully understood and carefully followed.
  • Page 8: Safety Rules

    SAFETY RULES Handle fuel with care; it is highly flammable. • Use an approved fuel container. The following safety instructions are based on the B71.3 specifications of the American National Standards Institute • Never add fuel to a running engine or hot engine. in effect at the time of production.
  • Page 9: Clearing A Clogged Discharge Chute

    After striking a foreign object, stop the engine, remove the Never operate the snow thrower without good visibility or wire from the spark plug, disconnect the cord on electric light. Always be sure of your footing, and keep a firm hold motors, thoroughly inspect the snow thrower for any on the handles.
  • Page 10: Slope Operation

    Accessories operation or while performing an adjustment or repair to protect eyes from foreign objects that may be thrown from Use only Ariens Company-recommended attachments or the machine. accessories that are designed for your unit and that are appropriate to your use and can be used safely in your Slope Operation application.
  • Page 11: Draining Fuel System

    DRAINING FUEL SYSTEM SEPARATE HOUSING FROM FRAME Move unit to an open, well-ventilated area with no Remove Auger Housing flames or sparks. IMPORTANT: Save all hardware for reinstallation. Remove fuel tank cap and siphon fuel into a clean Stop engine, remove key and wait for moving parts to gasoline container.
  • Page 12 See Figure 4. Models 921045, 921046, 921047, 921048, 921049, 921323, 921324, 921325 Remove hairpin and cable eyelet from chute control Remove spring clip from chute rotation rod and assembly. remove rod from chute gears. See Figure 5. With a pliers, squeeze tabs on cable snap and remove from chute control assembly.
  • Page 13 All Models See Figure 8. See Figure 6. 12. Remove tapping screw securing left side of belt cover to frame. Remove hairpin, sleeve bushing and cable eyelet from deflector arm under dash panel. 13. Loosen, but DO NOT remove tapping screw securing right side of belt cover to frame and remove belt cover.
  • Page 14: Reinstall Auger Housing

    WARNING: AVOID INJURY. Attachment sheave edges are sharp. Wear thick gloves to remove belts from attachment sheave. See Figure 10. 15. Remove attachment drive belts from attachment sheave. To assist belt removal, slowly pull recoil starter handle while gently guiding belts out of attachment sheave. Figure 12 Reinstall Auger Housing See Figure 13.
  • Page 15 Release attachment clutch lever. Align holes in mount brackets with holes in frame and secure housing to frame with two hex bolts, but DO NOT tighten. IMPORTANT: Unit must be on a flat, level surface during steps 5 – 7. Measure Check tire pressure and adjust if necessary.
  • Page 16: Bottom Cover Removal

    BOTTOM COVER REMOVAL 22. Reinstall deflector cable snap onto deflector anchor. 23. Remove sleeve bushing and hairpin from deflector IMPORTANT: Save all hardware for reinstallation. arm and reinstall cable eyelet onto deflector arm. Reinstall sleeve bushing and hairpin. See WARNING: AVOID INJURY. Before placing unit Figure 6.Reconnect spark plug wire.
  • Page 17: Install Bottom Cover

    ATTACHMENT DRIVE BELT REPLACEMENT Remove Attachment Drive Belts IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Remove auger housing. See Separate Housing From Frame on page 7.
  • Page 18: Traction Drive Belt Replacement

    TRACTION DRIVE BELT See Figure 21. Disconnect idler spring from traction idler arm. REPLACEMENT Remove stop bolt from frame. Remove Traction Drive Belt IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine.
  • Page 19: Install Traction Drive Belt

    Install Traction Drive Belt Check belt finger clearance: • Engage attachment clutch lever and make sure belt See Figure 23. finger located opposite belt idler is less than 3.2 mm Install belt onto traction sheave and around traction (1/8") from belt, but not touching the belt. drive pulley.
  • Page 20: Attachment Brake Replacement

    ATTACHMENT BRAKE REPLACEMENT See Figures 26 and 27. Engage and disengage attachment clutch to verify Remove Attachment Brake brake roller on attachment idler does not interfere with IMPORTANT: Save all hardware for reinstallation. brake pad. Stop engine, remove key and wait for all moving parts IMPORTANT: Make sure brake roller does not bind.
  • Page 21: Friction Disc Replacement

    FRICTION DISC REPLACEMENT WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel Remove Friction Disc system. See Draining Fuel System on page 7. IMPORTANT: Save all hardware for reinstallation. Make sure unit is secure and will not tip. WARNING: AVOID INJURY.
  • Page 22 1. Bearing Flange 2. Hex Shaft 3. Bearing Figure 32 Figure 30 Remove two spring clips from hex shaft. See Figure 31. Figure 31 Remove hex shaft from friction disc assembly and remove friction disc assembly. See Figure 32. EN – 18...
  • Page 23: Install Friction Disc

    Install Friction Disc Install friction disc assembly around shift fork roller bearing and align with hex shaft. See Figure 33. Figure 35 Reinstall adjustment pivot pin onto shift arm and secure with hairpin. Figure 33 Reinstall bottom cover and secure with two tapping screws and four hex bolts.
  • Page 24: Hex Shaft Bearing Replacement

    HEX SHAFT BEARING REPLACEMENT SWING GATE REPLACEMENT Remove Bearing Remove Swing Gate Assembly IMPORTANT: Save all hardware for reinstallation. IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool.
  • Page 25: Install Swing Gate Assembly

    See Figure 38. Disconnect traction drive clutch cable and return spring from swing gate. IMPORTANT: To gain more cable slack, traction drive clutch cable may need to be removed from traction clutch lever. See Figure 69. Figure 40 Install Swing Gate Assembly 1.
  • Page 26: Auger Replacement

    AUGER REPLACEMENT Remove Auger IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Remove auger housing. See Separate Housing From Frame on page 7.
  • Page 27 Remove hardware retaining support bushings to auger housing. See Figure 44. Figure 44 Figure 46 Remove hardware retaining gearcase support brackets to housing. See Figure 45. 10. Remove shear bolt from auger shaft. See Figure 47. Figure 47 11. Remove support bushing and flange bushing from auger shaft end.
  • Page 28: Install Auger

    See Figure 49. 12. Remove auger. Use of penetrating oil or heat may be necessary to remove auger. NOTICE: If rust is present on auger shaft, remove with sand paper and wipe clean with oil. Figure 51 Reinstall auger assembly into housing so impeller shaft is seated in ball bearing at housing rear.
  • Page 29 Secure support brackets to auger housing with two round head square neck bolts and two top locking flange nuts. See Figure 53. 1. Spacer Bushing Figure 53 2. Bearing Plate Figure 55 Secure support bushings to auger housing with six tapping screws.
  • Page 30: Auger Gearcase Replacement

    AUGER GEARCASE REPLACEMENT Remove Gearcase Assembly IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Remove augers. See Remove Auger on page 22. See Figure 56.
  • Page 31: Impeller Replacement

    IMPELLER REPLACEMENT Install Impeller See Figure 59. Remove Impeller Apply a thin layer of anti-seize to impeller shaft. IMPORTANT: Save all hardware for reinstallation. Install impeller onto impeller shaft. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine.
  • Page 32: Engine Replacement

    ENGINE REPLACEMENT Remove Engine IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Drain gasoline from fuel system and tank. See Draining Fuel System on page 7.
  • Page 33: Install Engine

    See Figure 64. Install Engine Remove hardware securing engine mount to frame. WARNING: AVOID INJURY. Engine is heavy. Remove J-clamp and chute deflector cable from NEVER lift engine without a suitable lifting device engine mount. or adult assistant. Using a suitable lifting device or help from an adult assistant, lift engine and lower onto bolts in frame.
  • Page 34: Deluxe

    See Figure 67. 11. Reinstall belt finger and secure with two flat steel washers, two locking washers and two hex bolts as Reinstall idler spring to traction idler arm. shown in Figure 9. Secure attachment sheave to crankshaft with one 12.
  • Page 35: Traction Drive Cable Replacement

    TRACTION DRIVE CABLE REPLACEMENT Remove Traction Drive Clutch Cable IMPORTANT: Save all hardware for reinstallation. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Loosen traction drive clutch cable. Under dash panel, remove hardware retaining upper traction clutch cable to clutch lever and remove cable.
  • Page 36: Install Traction Drive Clutch Cable

    Install Traction Drive Clutch Cable WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip. Rotate unit to service position and remove bottom cover.
  • Page 37: Dual-Handle Interlock Cam Replacement

    DUAL-HANDLE INTERLOCK CAM IMPORTANT: Interlock cams will fall from camshafts in next step. REPLACEMENT Remove hardware retaining camshafts to clutch levers Remove Interlock Cam and remove camshafts. See Figure 75. IMPORTANT: Save all hardware for reinstallation. Models 921045, 921046, 921048 See Figure 74.
  • Page 38: Install Interlock Cams

    Install Interlock Cams Models 921045, 921046, 921048 IMPORTANT: Make sure nylon bushings are seated in interlock bracket. See Figure 76. Models 921045, 921046, 921048 Models 921047, 921049, 921323, 921324, 921325, 921326 Models 921047, 921049, 921323, 921324, 921325, 921326 Figure 77 Position left interlock cam inside interlock bracket and align with left camshaft.
  • Page 39: Axle Bushing Replacement

    Reinstall flat steel washer and key onto axle. IMPORTANT: If dual-handle interlock continues to Reinstall bottom cover and secure with two tapping malfunction, see your Ariens dealer. screws and four hex bolts. Reinstall wheel and secure with snap clip. Return unit to operating position.
  • Page 40: Remove Right Axle Bushing

    Remove Right Axle Bushing See Figure 81. IMPORTANT: Two flat steel washers will fall when short IMPORTANT: Save all hardware for reinstallation. axle is removed. WARNING: AVOID INJURY. Before placing unit Hold differential gear and remove short axle. in service position, drain fuel from tank and fuel Remove differential gear.
  • Page 41: Install Right Axle Bushing

    Install Right Axle Bushing Align differential gear with pinion gear and short axle. Reinstall short axle into differential. See Figure 85. Secure bushing to frame exterior with three tapping screws from inside frame. See Figure 83. Figure 85 Figure 83 See Figure 86.
  • Page 42: Flange Bushing Replacement

    FLANGE BUSHING REPLACEMENT See Figure 88. IMPORTANT: Sleeve bushing between pinion gear and IMPORTANT: Save all hardware for reinstallation. frame will fall when pinion shaft is removed. Remove pinion shaft. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel Remove pinion gear from chain.
  • Page 43: Install Flange Bushings

    Install Flange Bushings DIFFERENTIAL GEAR REPLACEMENT Install flange bushings into pinion gear. Remove Differential Gear See Figure 90. IMPORTANT: Save all hardware for reinstallation. Reinstall pinion gear into chain and align with differential gear. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel Position sleeve bushing between pinion gear and system.
  • Page 44: Install Differential Gear

    See Figure 93. IMPORTANT: Two flat steel washers will fall when short axle is removed. Hold differential gear in place and remove short axle. Remove differential. Figure 95 See Figure 96. Reinstall long axle into differential gear. Reinstall E-ring onto axle end. Figure 93 Install Differential Gear See Figure 94.
  • Page 45: Chute Gear Replacement

    CHUTE GEAR REPLACEMENT Remove Chute Rotation Gear Models 921045, 921046, 921047, 921048, 921049, 921323, 921324, 921325 IMPORTANT: Save all hardware for reinstallation Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine.
  • Page 46: Remove Chute Rotation Gear

    Remove Chute Rotation Gear Model 921326 IMPORTANT: Save all hardware for reinstallation Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Position discharge chute facing forward. See Figure 100.
  • Page 47: Install Chute Rotation Gear

    1. Friction Plate 1. Actuation Gear 2. Chute Mount Bracket 2. Chute Rotation Gear Figure 102 3. Chute Lock Arm 4. Calibration Markers Reinstall actuation gear bracket to pedestal plate and Figure 103 secure with two tapping screws. Reinstall chute rotation rod into chute gear and secure Secure chute rotation gear with one hex bolt, one with spring clip.
  • Page 48: Remove Actuation Gear

    Reinstall hex rod into chute gears and secure with Remove actuation gear from actuation gear bracket. hairpin. Remove flat steel washer from actuation gear. Reinstall chute gear cover and secure with tapping screw. Adjust discharge chute. Refer to Operator’s Manual for adjustment procedure.
  • Page 49: Install Actuation Gear

    Install Actuation Gear SCRAPER BLADE REPLACEMENT Models 921045, 921046, 921047, 921048, 921049, Remove Scraper Blade 921323, 921324, 921325 IMPORTANT: Save all hardware for reinstallation. Install one flat steel washer onto actuation gear and insert gear through actuation gear bracket. WARNING: AVOID INJURY. Before tipping unit Install push nut onto actuation gear so it is tight onto handlebars, drain fuel from tank and fuel against actuation gear bracket.
  • Page 50: Install Scraper Blade

    Install Scraper Blade HEADLIGHT REPLACEMENT Position scraper blade inside auger housing and align Remove Bulb with holes in housing. IMPORTANT: Save all hardware for reinstallation. Insert seven flat head square neck bolts through Stop engine, remove key and wait for all moving parts scraper blade from inside housing.
  • Page 51: Install Bulb

    GEARCASE REBUILD Disassemble Gearcase IMPORTANT: Save all parts for reassembly, unless otherwise specified. Remove gearcase. See Remove Gearcase Assembly on page 26. Remove any rust, if present, from auger and impeller shafts with sandpaper. Wipe clean with oil. Remove drain plug and seal washer from gearcase. See Figure 113.
  • Page 52 See Figure 114. Remove hardware retaining gearcase cover and remove cover. Remove gasket and drain gearcase. Figure 116 With a flathead screwdriver or similar pry bar, remove Figure 114 front seal cover and discard. See Figure 117. Remove bushing retainer from gearcase. See Figure 115.
  • Page 53: Assemble Gearcase

    10. With a snap ring pliers, remove retaining ring. See 14. Remove seals and flange bushings from gearcase. Figure 118. See Figure 120. Figure 118 Figure 120 See Figure 119. Assemble Gearcase 11. With a driver, strike impeller shaft end until shaft is See Figure 121.
  • Page 54 See Figure 122. Reinstall impeller shaft through gearcase front and reinstall thrust collar onto impeller shaft end. Wrap a seal protector over impeller shaft end and reinstall shaft through gearcase seal. Remove seal. NOTICE: Unprotected seals can be damaged when installed over rough edges in shaft, such as holes.
  • Page 55 See Figure 127. 13. Reinstall one flat steel washer and bushing onto right auger shaft end. IMPORTANT: Stepped-down side of bushing MUST be positioned toward gearcase. Figure 125 10. Turn impeller shaft by hand to make sure shaft rotates easily. See Figure 126.
  • Page 56 (2.4 – 2.6”) from the flat surface of the gearcase cover. 19. Reinstall bushing retainer into flange bushing groove. See Figure 130. IMPORTANT: Ariens recommends using only Ariens L3 synthetic severe duty gear lube. Using other lubricants will not automatically void unit warranty, but the warranty will not cover damage caused by using unauthorized lubricants.
  • Page 57: Track Drive Wheel Replacement

    TRACK DRIVE WHEEL REPLACEMENT Model 921326 Remove Track Drive Wheel IMPORTANT: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool.
  • Page 58: Install Track Drive Wheel

    TRACK REPLACEMENT Model 921326 Remove Track IMPORTANT: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool.
  • Page 59: Install Track

    Install Track BOGIE WHEEL REPLACEMENT See Figure 137. Model 921326 IMPORTANT: Tracks are directional and MUST be installed Remove Bogie Wheel with treads in the orientation shown in Figure 137. IMPORTANT: Save all hardware for reinstallation. Install track onto carriage assembly so bogie wheels and track runner are seated in track center.
  • Page 60: Track Bearing Replacement

    TRACK BEARING REPLACEMENT Model 921326 Remove Bearing From Left Side of Unit IMPORTANT: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip.
  • Page 61: Install Bearing To Left Side Of Unit

    Reinstall stepped-down end of long axle through side plate, frame and into differential gear. See Figure 144. Figure 144 Reinstall E-ring onto axle end. See Figure 145. Figure 142 11. Remove hardware retaining bearing flange(s) and remove flange(s). IMPORTANT: Bearing plate is not a wear item and does not need replacement unless damaged.
  • Page 62: Remove Bearing From Right Side Of Unit

    Remove Bearing From Right Side of Unit IMPORTANT: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before placing unit in service position, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip. Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool.
  • Page 63: Install Bearing To Right Side Of Unit

    See Figure 149. 11. Remove hardware retaining bearing flange(s) and remove bearing(s). IMPORTANT: Bearing plate is not a wear item and does not need replacement unless damaged. Figure 150 Reinstall long axle into differential gear. See 1. Bearing Flange Figure 151. 2.
  • Page 64: Efi Replacement Components

    Barometer Pressure Replace ECU. of this unit and may void the warranty. Click the Parts Sensor Failure Diagrams by Parts Radar link at www.ariens.com for Engine Temperature Check engine replacement part numbers of the items listed below: Sensor Failure temperature sensor •...
  • Page 65: Checking Trouble Codes

    CHECKING TROUBLE CODES TROUBLE CODE DIAGNOSTICS The blinking red LED light on the ECU displays trouble NOTICE: Before performing diagnostic tasks, be aware of codes. Its sequence indicates a particular system the screw on the bottom of the throttle body that adjusts the malfunction by blinking as many times as the first digit of a servo offset.
  • Page 66: Code 21: Barometer Sensor

    Code 21: Barometer Sensor See Figure 152. This trouble code indicates the barometric pressure sensor has failed. When the barometric sensor fails, the engine will not adjust to altitude changes, but will continue to operate at a default altitude of 800 feet above sea level. Engine may continue to operate with a failed barometric pressure sensor, but may not operate at optimal performance.
  • Page 67: Code 27: Low Fuel Pressure

    Code 27: Low Fuel Pressure See Figure 161. Remove the fuel pump wires, turn ignition key to the Low fuel pressure is usually a result of an empty fuel tank, ON position and measure the fuel pump voltage. but could also be from a clogged fuel filter or faulty fuel Voltage output should measure 7.2 –...
  • Page 68: Code 28: High Battery Voltage

    DIAGNOSTICS FOR NON-TROUBLE CODES Engine Starts and Loses Power If the engine starts and loses power immediately, this is usually an indication that the ECU does not detect an RPM signal. The RPM signal is generated by the stator, which Engine Temperature Ext-ANA- (Potentiometer) Pink...
  • Page 69 d. With battery voltage between 7.2 – 8.4 volts DC, turn b. Set a multi-meter to volts DC and probe each the key to the ON position for 10 seconds to pump terminal with the red probe and contact the black fuel into the container.
  • Page 70: Surging Run Condition

    c. If no voltage is present at the injector, check voltage at both the red and white wires on the12-pin ECU connector. See Figure 166. Figure 167 Surging Run Condition If the AC output wire from the engine charging system is damaged, it may cause an intermittent short.
  • Page 71 With a multi-meter, measure the volts DC of the green / white wire. See Figure 170. a. With engine off, position the red probe on the terminal of the green / white wire. Engine Connector 1 Battery Connector 2 b. Position the black probe on the engine block. Engine Connector 2 c.
  • Page 72 SERVICE RECORD DATE SERVICE PERFORMED NOTES EN – 68...
  • Page 74 655 West Ryan Street Brillion, WI 54110 ariensstore.com ariens.custhelp.com parts.ariens.com...

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