Power Brush 28 Operator’s Manual Manuel du Utilisateur Model 921056 – Power Brush 28 (SN 000101 +) E10 ENGLISH FRANÇAIS 05175100A • 12/17 Printed in USA
TABLE OF CONTENTS WELCOME . . . . . . . . . . . . . . . . . . . . . . 1 SAFETY. . . . . . . . . . . . . . . . . . . . . . . . . 2 Practices & Laws . . . . . . . . . . . . . . . . . . Emission Control System. . . . . . . . . . . . Required Operator Training . . . . . . . . . . Safety Alert Symbol . . . . . . . . . . . . . . . . Signal Words . . . . . . . . . . . . . . . . . . . . . Safety Decals. . . . . . . . . . . . . . . . . . . . . Safety Rules. . . . . . . . . . . . . . . . . . . . . .
WELCOME Congratulations on your purchase and welcome to the Ariens family! Every power brush in the Ariens lineup is designed for long-lasting and unsurpassed performance. We are confident your machine will be part of your family for many years to come. Have Questions or Need Assistance? ariens.custhelp.com • ariensstore.com A service guide and a parts manual for your unit are available for free download or purchase at www.ariens.com.
SAFETY WARNING: AVOID INJURY. This unit is capable of crushing or amputating body parts. Failure to observe the safety instructions in the manuals and on decals could result in serious injury or death. Read these safety rules and follow them closely. Failure to follow these rules could lead to loss of control of unit, severe personal injury or death to you or bystanders, or result in damage to property or the unit.
. Important Safety Decal Descriptions IMPORTANT: Indicates general reference information worthy of special attention. 1. WARNING! SAFETY DECALS The safety decals on your unit are visual reminders of the important safety information in this manual. All messages on your unit must be fully understood and carefully followed. Safety decals on the unit are explained below. ALWAYS replace missing or damaged safety decals. Replacement decal information is in the parts manual for your unit.
2. CAUTION! 4. DANGER! CAUTION! DANGER! Avoid injury - Stay clear of rotating parts. Be sure to engage the traction drive clutch first. Engaging the attachment clutch before traction drive clutch can cause the unit to travel backwards. SAFETY RULES The following safety instructions are based on the B71.3 specifications of the American National Standards Institute in effect at the time of production. 3.
Thoroughly inspect the area where the equipment is to be used and remove all doormats, sleds, boards, toys, wires and other foreign objects. DO NOT put hands or feet near or under rotating parts. Keep clear of the discharge area at all times. Disengage all clutches and shift into neutral before starting the engine. Use extension cords and receptacles as specified by the manufacturer for all units with electric drive motors or electric starting motors. ALWAYS keep hands away from all pinch points.
NEVER operate the unit at high transport speeds on slippery surfaces. Look behind and use care when operating in reverse. DO NOT change engine governor settings and DO NOT over-speed engine. DO NOT operate in reverse unless absolutely necessary. ALWAYS back up slowly and look down and behind before and while backing. DO NOT carry passengers. Disengage attachment when not in use and when traveling from one work area to another. ALWAYS maintain unit in safe operating condition.
Slope Operation Towing/Transporting Exercise extreme caution when operating on slopes. DO NOT operate on steep slopes. DO NOT operate across the face of slopes; go up and down. Keep all movement on slopes slow and gradual. ALWAYS stop engine, remove key and close fuel valve or drain fuel when transporting unit on a truck or trailer. 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.
CONTROLS & FEATURES 10 19 9 8 7 20 5 6 11 3 16 2 1 13 14 4 12 15 18 Figure 3 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Traction Drive Clutch Lever Attachment Clutch Lever Speed Selector Lever Brush Lock Trigger Brush Guard Brush Caster Wheels & Height Adjustment Fuel Tank and Cap Muffler Air Cleaner Assembly 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.
CHOKE CONTROL LEVER WARNING: Read and understand the Safety section before proceeding. See Figure 6. Controls airflow to the engine. See Figure 3 for all controls and features locations. ENGINE KEY See Figure 4. Controls power to the engine. The key cannot be removed when in run position. On Off Figure 6 THROTTLE CONTROL LEVER Stop See Figure 7. Controls engine speed. Run Fast Slow Figure 7 Figure 4 SPEED SELECTOR LEVER FUEL VALVE See Figure 8. Controls the speed of forward and reverse travel.
ATTACHMENT CLUTCH LEVER (RIGHT SIDE) DUAL HANDLE INTERLOCK Allows brush to rotate without holding attachment clutch lever continuously. Brush continues to turn until both clutch levers are released. See Figure 9. Controls brush rotation. AUTO-TURN™ STEERING Automatically locks or unlocks wheels to allow unit to turn more precisely. OPERATION WARNING: AVOID INJURY. Read and understand the Safety section before proceeding.
START THE ENGINE SET BRUSH HEIGHT 1. Electric Start Models: Connect power cord to starter and then into 120V 3-wire grounded outlet. IMPORTANT: Use a power cord that is UL listed or CSA certified, rated for a minimum of 13 amps, grounded and labeled as suitable for outdoor use. All Models 2. Turn fuel valve to on position. 3. Insert engine key and turn to run position. 4. Move choke control lever to on position. 5. Move throttle control lever one-third of the way toward full-throttle. 6.
2. Raise brush: a. Remove lynch pins from caster shaft tops. b. Remove desired amount of height adjuster clips from caster shaft tops and install onto lower caster shaft ends. c. Turn height adjuster clips so they DO NOT align with flat side of caster shafts. d. Reinstall lynch pins. 2 1 3 Figure 14 TRANSPORT UNIT 1. Stop engine and close fuel valve. 2. Secure unit chassis to transport vehicle. NOTICE: NEVER secure from rods or linkages that could be damaged. 1. Lynch Pin 2. Caster Shaft 3.
ADJUST ENGINE AIR CLEANER 1. Push down and turn air filter cover counter-clockwise to unlock and remove cover from base. 2. Rotate cover to the winter/cold-weather position or summer position. See Figure 15. 3. Push down and turn air filter cover clockwise to secure cover to base. NOTICE: Arrows on decals align when cover locks into place. NOTICE: DO NOT run engine with air filter cover in the winter/cold-weather position while operating in normal temperatures.
4 3 2 1 2 6 1 5 1. 2. 3. 4. 5. 6. 3 Belt Finger Hex Bolt Locking Washer Flat Steel Washer Attachment Drive Belt Attachment Sheave Figure 16 1. Machine Screw 2. Lock Washer 3. Brush Lock Trigger Figure 18 WARNING: ALWAYS support unit frame and brush attachment when loosening hardware holding them together. 6. Disconnect brush lock cable from J-clamp on engine mount. See Figure 17. IMPORTANT: Support tractor / frame so it will not tip when disconnected from brush attachment in next step.
1 2 1 3 1. Tapping Screw 2. Mount Rod 3. Mount Bracket Figure 19 3 2 1. Bottom Cover 2. Engine Sheave 3. Engine Figure 20 See Figure 20. CAUTION: AVOID ENGINE DAMAGE. Do not leave unit in service position for longer than 30 minutes. Allow 30 minutes for oil to return to crankcase before starting engine. 10. Slowly rotate tractor / frame forward so it rests on attachment sheave. Protect attachment sheave so it does not incur damage. 11. Remove hardware securing bottom cover and remove bottom cover.
Check Clutch Lever Operation • Check Dual Handle Interlock • Check Fasteners • Clean Recoil Guard Foam Cover • Check Engine Oil • Check Clutch Cable Adjustments * Annually • • • • • Change Engine Oil ** 9. Reinstall belt cover and tighten hardware. 10. Reinstall brush lock trigger onto handlebars and route brush lock cable through J-clamp on engine mount. 11. Adjust attachment clutch / brake. See Adjust Attachment Clutch & Brake on page 19. CAUTION: AVOID ENGINE DAMAGE.
3. Release the attachment clutch lever. The attachment clutch should stay engaged until the traction drive clutch lever is released. IMPORTANT: If dual handle interlock does not operate correctly, repair as directed in the service guide for your unit. CHECK FASTENERS If cover becomes clogged, remove and gently vacuum or wash with warm water. IMPORTANT: Cover MUST be installed when using unit in winter conditions. The cover prevents snow from entering the recoil guard and freezing the recoil pawls.
3. Reinstall brush cover and secure with four tapping screws and four hex bolts. * Casters See Figure 23. * * * Figure 25 Figure 23 3. Return unit to operating position. See Return Unit to Operating Position on page 15. Traction Drive 1. Place unit in service position. See Service Position on page 13. 2. Lubricate as shown in Figure 24 and Figure 25. ADJUSTMENTS IMPORTANT: DO NOT allow grease or oil to contact friction disc, swing gate or belts. WARNING: AVOID INJURY.
6. Connect pivot pin to speed selector arm with hardware removed in step 2 and check forward and reverse speeds. a. Start unit, position speed selector lever in the first forward position and engage traction drive clutch. Unit should move forward. b. Stop unit, position speed selector lever in the first reverse position and engage traction drive clutch. Unit should move in reverse. c. Stop unit. If unit does not travel correctly, repeat adjustments. IMPORTANT: DO NOT completely remove hardware from unit.
Check Attachment Idler Arm Roller Clearance Check Attachment Brake See Figure 29. 1. Place unit in service position and remove bottom cover. See Service Position on page 13. 2. Engage attachment clutch and check the clearance between the frame and plastic roller on attachment idler arm. Roller should be 12.7 mm – 22.2 mm (1/2" – 7/8") from frame. 3 2 See Figure 30. 1. Place unit in service position and remove bottom cover. See Service Position on page 13.
Check Belt Finger Clearance See Figure 31. With the attachment clutch engaged, the belt finger located opposite the belt idler must be less than 3.2 mm (1/8") from belts, but must not touch the belts. To adjust belt finger: 1. Remove belt cover. 2. Loosen bolts and move belt finger to correct position. 3. Tighten bolts and recheck belt finger clearance. 4. Reinstall belt cover and tighten hardware. 1 2 3 1. Traction Drive Clutch Cable 2. Cable Adjustment Barrel 3. Jam Nut Figure 32 3.
TROUBLESHOOTING Problem Probable Cause Engine key in stop position. Correction Turn engine key to run position. See Engine Key on page 9. Choke is off. Turn choke control knob to on position. See Choke Control Lever on page 9. Fuel valve is closed. Open valve. See Fuel Valve on page 9. Fuel tank is empty. Fill tank with fuel. See Before Operating Unit on page 10. Build up of dirt and residue Clean area around governor / carburetor. Engine will not around governor / carburetor. See your Ariens dealer.
TROUBLESHOOTING Problem Probable Cause Attachment clutch / brake is not adjusted correctly. Debris is caught in brush. Correction See Adjust Attachment Clutch & Brake on page 19. Stop engine and wait for all moving parts to stop and for hot parts to cool. Remove obstruction before restarting. Unit sweeps poorly. Attachment drive belt is slipping, Adjust or replace attachment drive belt. worn or damaged. Refer to the service guide for your unit.
START-OF-SEASON FUEL PREPARATION STORAGE WARNING: AVOID INJURY. Read and understand the Safety section before proceeding. Before opening the fuel valve for the first time after long-term storage, add fresh, stabilizertreated fuel to the fuel tank and any fuel containers with remaining fuel. ACCESSORIES SHORT TERM 1. Tighten all hardware to correct specifications. 2. Inspect unit for visible signs of wear or damage. Repair as needed. 3.
SPECIFICATIONS Model Number 921056 Engine Engine Model Kohler CH255 3 3 177 (10.8) Displacement – cm (in ) Maximum RPM – No Load 3750 ± 100 Starter 120V Electric and Recoil Fuel See Engine Manual Tank Capacity – L (qt) 2.9 (3.1) Brush Clearing Width – cm (in) 71.2 (28) Brush Diameter – cm (in) 45.7 (18) Brush Rotation Speed – RPM 200 Brush Rotation Angle Total 40° (20° left / right) Drive Drive Disc-O-Matic Drive Speeds 6 Forward 2 Reverse Pneumatic Tires – in 16 x 4.
Sno-Thro®, Sno-Tek® and Finishing Tool Equipment Limited Warranty Warranty Ariens Company (Ariens) warrants to the original purchaser that Ariens, Gravely, Parker, and Countax ® ® brand chore-performing equipment (including Sno-Thro and Sno-Tek equipment) purchased on or after 1/1/2016 will be free from defects in material and workmanship for the time period noted in the chart below.
Exceptions and Limitations The chart below details special exceptions to this warranty: Warranty Code Warranty Period Use 1 Year All None Commercial These components are not covered when used commercially. Maximum 2 Years All Warranty is limited to 2 years for consumer use. (1 year for warranty code "PD".) Except as noted above, these components are covered for defect, not for wear. Maximum 2 Years All Warranty is limited on idlers to 2 years for consumer use.
Exclusions – Items Not Covered by This Warranty • Parts that are not genuine Ariens, Gravely, Parker or Countax service parts are not covered by this warranty and may void the 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.
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