Ariens Power Brush 28 Service Manual
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Ariens Power Brush 28 Service Manual

Ariens Power Brush 28 Service Manual

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Power Brush
Service Guide
Power Brush 28
Models
921025 – Power Brush 28
(SN 055000 – 056999 +)
921313 – Power Brush 28 CE
(SN 055000 – 056999 +)
E10
ENGLISH
04955430A • 2/17

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  • Page 1 Power Brush Service Guide Power Brush 28 Models 921025 – Power Brush 28 (SN 055000 – 056999 +) 921313 – Power Brush 28 CE (SN 055000 – 056999 +) ENGLISH 04955430A • 2/17...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS PRACTICES & LAWS ......2 CASTER WHEEL REPLACEMENT ....27 Remove Caster Wheel .
  • Page 3 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 4: 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 5: Safety Decals

    SAFETY DECALS The safety decals on your machine are visual reminders of Read Operator’s Manual. the important safety information in this manual. All messages on your unit must be fully understood and carefully followed. Safety decals on the machine are explained below.

  • Page 6: Safety Rules

    Disengage all clutches and shift into neutral before 4. DANGER! starting the engine. Use extension cords and receptacles as specified by the DANGER! manufacturer for all units with electric drive motors or electric starting motors. Handle fuel with care; it is highly flammable. •...

  • Page 7: Maintenance And Storage

    Exercise extreme caution when operating on or crossing NEVER operate unit after or during the use of medication, gravel drives, walks or roads. Stay alert for hidden drugs or alcohol. Safe operation requires complete and hazards or traffic. unimpaired attention at all times. After striking a foreign object, stop the engine, remove the NEVER allow anyone to operate this unit when their wire from the spark plug, disconnect the cord on electric...

  • Page 8: Slope Operation

    Exercise extreme caution when operating on slopes. DO NOT operate on steep slopes. DO NOT operate across Use only Ariens Company-recommended attachments or the face of slopes; go up and down. Keep all movement accessories that are designed for your unit and that are on slopes slow and gradual.

  • Page 9: Draining Fuel System

    DRAINING FUEL SYSTEM Move unit to an open, well-ventilated area with no flames or sparks. Remove fuel tank cap and siphon fuel into a clean gasoline container. Reinstall fuel tank cap and tighten. Start engine to burn remaining fuel in fuel system and leave engine running until it “runs dry”...
  • Page 10 Remove brush lock cable from J-clamp on engine WARNING: ALWAYS support tractor / frame mount. See Figure 5. when loosening hardware retaining it to brush attachment. See Figure 7. Position support under handlebars so tractor / frame will not tip when disconnected from brush attachment. 10.

  • Page 11: Install Brush To Frame

    INSTALL BRUSH TO FRAME Lower brush attachment rear into frame so mount brackets sit on mount rod. See Figure 9. Measure Here Figure 10 Reinstall belt cover, position under tapping screws and tighten screws. Reinstall brush lock trigger onto handlebars and secure with machine screw and lock washer.

  • Page 12: Bottom Cover Removal

    BOTTOM COVER REMOVAL Install Bottom Cover Reinstall bottom cover and secure with six hex bolts. Remove Bottom Cover Return unit to operating position and support IMPORTANT: Save all hardware for reinstallation. handlebars. Make sure unit is secure and will not tip. Separate brush from frame.

  • Page 13: Attachment Drive Belt Replacement

    ATTACHMENT DRIVE BELT TRACTION DRIVE BELT REPLACEMENT REPLACEMENT Remove Attachment Drive Belt Remove Traction Drive Belt IMPORTANT: Save all hardware for reinstallation. IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool.
  • Page 14 See Figure 14. Remove spring clip from swing gate pivot rod. Remove hardware retaining support bushing and swing gate spacer. Remove bushing and spacer. 1. Support Bushing 2. Stop Hole Figure 15 1. Swing Gate Spacer 2. Support Bushing 3. Pivot Rod Figure 14 WARNING: AVOID INJURY.

  • Page 15: Install Traction Drive Belt

    Install Traction Drive Belt See Figure 17. NOTICE: Make sure support bushing is flush with frame. WARNING: AVOID INJURY. Wear thick gloves; Reinstall swing gate spacer, align with support traction drive pulley and traction sheave edges bushing and secure with two tapping screws. are sharp.

  • Page 16: Attachment Brake Replacement

    ATTACHMENT BRAKE REPLACEMENT Attachment Clutch Engaged / Brake Disengaged Remove Attachment Brake IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Remove brush attachment.

  • Page 17: Friction Disc Replacement

    FRICTION DISC REPLACEMENT Remove Friction Disc IMPORTANT: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before rotating unit forward, drain fuel from tank and fuel system. See Draining Fuel System on page 7. Make sure unit is secure and will not tip. Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool.
  • Page 18 Remove hairpin from adjustment pivot pin and remove pin from shift arm. See Figure 23. Figure 25 See Figure 26. Remove hex shaft from pinion gear and friction disc assembly. Remove friction disc assembly. Figure 23 Remove hardware retaining left bearing flange to frame and remove bearing flange and bearing.

  • Page 19: Install Friction Disc

    Install Friction Disc See Figure 29. Reinstall bearing onto hex shaft end. See Figure 27. Reinstall bearing flange over bearing and secure to Install friction disc assembly around shift fork roller frame with three tapping screws. bearing and align with hex shaft. Reinstall hex shaft through friction disc assembly.

  • Page 20: Swing Gate Replacement

    SWING GATE REPLACEMENT Remove Swing Gate IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine. Remove traction drive belt. See Remove Traction Drive Belt on page 11.

  • Page 21: Install Swing Gate

    Install Swing Gate See Figure 34. Reinstall swing gate spacer and support bushing onto See Figure 33. pivot rod. Secure with two tapping screws removed in Reinstall traction drive belt around traction drive pulley step 5. and traction drive sheave. NOTICE: Support bushing MUST be flush with frame.

  • Page 22: Hex Shaft Bearing Replacement

    HEX SHAFT BEARING REPLACEMENT BRUSH REPLACEMENT Remove Bearing Remove Brush IMPORTANT: Save all hardware for reinstallation. IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool.
  • Page 23 See Figure 38. Remove snap rings from brush shaft ends. Discard snap rings. Remove hardware retaining reduction idler mount and remove mount. IMPORTANT: Be aware of two flat special washers on reduction idler mount. 1. Drive Sprocket 2. Reduction Idler Sprocket 3.

  • Page 24: Install Brush

    13. Remove brush shaft and remove brush. See See Figure 43. Figure 41. Position brush in frame and align with holes for brush shaft. Insert shaft through attachment frame and brush. Figure 41 Install Brush IMPORTANT: If bearing flange halves were removed, reinstall bearing flange halves.
  • Page 25 See Figure 45. Reinstall remaining bearing flange halves over bearings and secure each with three locking nuts. Reinstall new snap ring onto right brush shaft end. 1. Transmission Shaft 2. Reduction Idler Sprocket 3. Drive Sprocket Figure 46 See Figure 47. 11.

  • Page 26: Gearbox Replacement

    GEARBOX REPLACEMENT See Figure 48. 14. Reinstall new snap ring onto brush shaft end. Remove Gearbox 15. Reinstall reduction idler mount through reduction idler IMPORTANT: Save all hardware for reinstallation. sprocket. Secure to frame with four tapping screws. Turn engine switch to off position and wait for all 16.

  • Page 27: Install Gearbox

    Remove brush frame from mounting assembly. See Figure 50. Figure 52 Apply a thin layer of anti-seize to gearbox output shaft. Reinstall brush frame mount to mounting plates and secure with four round head square neck bolts and four locking nuts. NOTICE: Brush frame mount MUST be aligned with Figure 50 mounting plates as shown in Figure 49.

  • Page 28: U-Joint Assembly Replacement

    U-JOINT ASSEMBLY REPLACEMENT Remove hardware retaining attachment drive pulley to U-joint assembly shaft. Remove pulley and spacer. Remove U-Joint Assembly See Figure 55. IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool. Disconnect spark plug wire from engine.

  • Page 29: Replace U-Joint Assembly Bearings

    REPLACE U-JOINT ASSEMBLY CASTER WHEEL REPLACEMENT BEARINGS Remove Caster Wheel Remove U-Joint Bearings IMPORTANT: Save all hardware for reinstallation. NOTICE: Only replace one caster wheel at a time. IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position and wait for all Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool.

  • Page 30: Engine Replacement

    ENGINE REPLACEMENT Remove engine mounting hardware. See Figure 60. Remove Engine IMPORTANT: Save all hardware for reinstallation. Turn engine switch to off position 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.

  • Page 31: Install Engine

    Install Engine DIFFERENTIAL GEAR REPLACEMENT Install key into crankshaft keyway. Remove Differential Gear Reinstall traction sheave and attachment sheave onto IMPORTANT: Save all hardware for reinstallation. crankshaft. Secure sheaves with locking washer and hex bolt. WARNING: AVOID INJURY. Before rotating unit forward, drain fuel from tank and fuel system.

  • Page 32: Install Differential Gear

    Install Differential Gear Hold differential gear in place and remove long axle. See Figure 63. Align differential gear with pinion gear and reinstall onto axle. See Figure 65. Figure 63 Figure 65 Remove differential gear from short axle. See Figure 64. See Figure 66.

  • Page 33: Flange Bushing Replacement

    FLANGE BUSHING REPLACEMENT Reinstall bottom cover and secure with six hex bolts. Reinstall wheels and secure with snap clips. Remove Flange Bushings Rotate tractor to operating position, support NOTICE: Save all hardware for reinstallation. handlebars and reinstall brush attachment. See Install Brush to Frame on page 9.

  • Page 34: Install Flange Bushings

    See Figure 68. IMPORTANT: Make sure roll pin on pinion shaft end aligns with anti-rotation tab and is flush against frame. NOTICE: Sleeve bushing between pinion gear and frame will fall when pinion shaft is removed in next step. Position flat steel washer against pinion gear. Remove pinion shaft from pinion gear.

  • Page 35: 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 Cams and remove camshafts from interlock bracket. See Figure 73. NOTICE: Save all hardware for reinstallation. Turn engine switch to off position and wait for all moving parts to stop and for hot parts to cool.

  • Page 36: Traction Drive Clutch Cable Replacement

    Remove bottom cover. See Bottom Cover Removal on page 10. Figure 76 Check dual-handle interlock function. Refer to Operator’s Manual for test procedure. IMPORTANT: If dual-handle interlock continues to malfunction, see your Ariens dealer. EN – 34...

  • Page 37: Install Traction Drive Clutch Cable

    Remove hardware retaining upper traction drive clutch cable to clutch lever and remove cable. See Figure 78. Figure 78 1. Upper Traction Drive Cable 2. Lower Traction Drive Cable See Figure 79. 3. Cable Pulley Figure 79 Disconnect upper traction drive clutch cable from lower cable.

  • Page 38: Axle Bushing Replacement

    AXLE BUSHING REPLACEMENT Remove Right Axle Bushing NOTICE: Save all hardware for reinstallation. Remove Left Axle Bushing NOTICE: Save all hardware for reinstallation. WARNING: AVOID INJURY. Before rotating unit forward, drain fuel from tank and fuel system. WARNING: AVOID INJURY. Before rotating unit See Draining Fuel System on page 7.

  • Page 39: Install Right Axle Bushing

    See Figure 82. Position sleeve bushing against frame and reinstall spring clip into pinion shaft. See Figure 84. Remove key and flat steel washer from axle. Remove hardware retaining axle bushing to frame and remove bushing. Figure 84 Secure bottom cover to frame with six hex bolts. Reinstall wheels and secure with snap clips.

  • Page 40: Service Record

    SERVICE RECORD DATE SERVICE PERFORMED NOTES EN – 38...
  • Page 42 655 West Ryan Street Brillion, WI 54110 ariensstore.com arienscusthelp.com parts.ariens.com...

This manual is also suitable for:

921025921313

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