Walker DB6660, SB6670, DB6680, RB6650, IH6620 owner manual Adjustments, Dozer Blade Skid Shoes

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Maintenance Instructions

REPLACING/REPAIRING/ ADJUSTMENTS

2.Loosen the three (3) nuts and three (3) bolts on lower pulley bearing support and the adjust- ment nut on the lower end of each (2) eyebolts to release belt tension.

3.Loosen the two (2) set screws securing the up- per pulley bearing to the shaft. Unbolt and re- move the upper pulley bearing support.

4.Install the new drive belt and reinstall the upper pulley bearing support. Secure the bearing on the shaft by tightening the two set screws.

5.Adjust the belt tension. Refer to ADJUST- MENTS of Debris Blower Drive Belt Tension in this section. Tighten fasteners securely and reinstall belt guard by reversing the removal procedures.

Upper

Support Bolts

Lower
Support
		Eyebolt
Bolts

Debris Blower Drive Belt

Debris Blower Rotation Pinions

1.Remove the drive pinion from the rotation han- dle by loosening the set screw and pulling off the pinion.

2.Remove the rotation handle lower stop ring and pull up on the rotation handle. Loosen set screw in upper stop ring. Pull rotation handle up out of work way. Unbolt and remove the driven pinion.

3.Install the new driven pinion and tighten the nut and bolt securely.

4.Lower the rotation handle back into its original position and reinstall the lower stop ring. Posi- tion the new drive pinion flush with the shaft and securely tighten the pinion set screw.

5.Adjust the rotation pinions as instructed in AD- JUSTMENTS of Debris Blower Rotation Pin- ions in this section. Securely tighten the set screw of each stop ring.

Rotation Handle

Upper Stop

Ring

Lower

Stop Ring

Driven Pinion

Drive Pinion

Debris Blower Rotation Pinions

ADJUSTMENTS

WARNING

DO NOT attempt to make any adjustments with the tractor engine running. Disen- gage the PTO clutch, stop the engine, and remove the ignition key. Wait for all move- ment to stop before getting off the seat.

Dozer Blade Skid Shoes

Adjust the skid shoes to allow the required clear- ance under the blade. On level, paved surfaces, adjust the skid shoes to allow approximately 1/4 in. (6 mm) clearance between the cutting edge and the surface. On uneven or gravel surfaces, allow 1/2 to 3/4 in. (13 to 19 mm) clearance, depending on the size of the gravel. Refer to Skid Shoe Height Ad- justment illustration.

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Contents Illustrated Parts Manual Foreword Table of Contents Implement Hitch Assembly Electrical Components Maintenance Schedule ChartTorque Specifications KEY to Abbreviations Used in Illustrated Parts ListIdentifying Number Locations General InformationGlossary Fill In By PurchaserSerial Number Serial Number Rotary Broom Serial Number LocationUnit Descriptions Dozer Blade SpecificationsImplement Hitch Rotary BroomTWO-STAGE Snowblower Debris Blower Implement Hitch Top View Not Installed Component IdentificationDozer Blade Rear View and Right Side View Not Installed Rotary Broom Rear View and Right Side View Not Installed TWO-STAGE Snowblower Two-Stage Snowblower Rear View Not Installed Debris Blower Front View and Left Side View Not Installed Debris Blower Rear View and Right Side View Not Installed Do not operate with bystanders in the area Safety InstructionsBefore Operating Operating Maintenance SAFETY, CONTROL, and Instruction Decals PTO Shield Walker P/N Attaching Hitch Hitch Mount AdjustSAFETY, CONTROL, and Instruction Decals Implement Hitch Installation Assembly InstructionsSetup Instructions Implement Hitch Jam Nut AdjustmentAttach Wiring Harness and Toggle Switch Drill Holes for Implement Hitch WiringAttach Toggle Switch Mounting Bracket Connect Harness Wire to Circuit BreakerComplete Implement Hitch Wiring Implement Hitch Wiring Diagram Insert Female Hitch into Blade Attachment Attach Spring to Blade AssemblyInsert Adjustment Pin and Set Blade Angle Attach Blade to Tractor Install Skid ShoesRotary Boom Installation Attach Broom to Implement Hitch Prepare Rotary Broom for InstallationAssemble Rotary Broom Driveline Connect Broom Driveline to Tractor PTO ShaftGHS Blower Intake Cover Adjust Brush to Ground ContactLock Stopper Pin in Place Install Hand Guard on Chute Install Plastic Insert over Chute Base LipInstall Skid Shoes Snowblower Installation Install Rotation Worm AssemblyInstall Chute over Plastic Insert Attach Drive Shaft Yoke to Reduction Shaft Install Bolt in Reduction BoxInstall Reduction Box Cover Mount Female Hitch to SnowblowerAttach Parallel Bar to Female Hitch Attach Snowblower to Implement HitchConnect Driveline Coupler to Tractor PTO Insert Rotation Handle into Rotation WormAttach Tractor PTO to Debris Blower Input Shaft Attach Debris Blower to Implement HitchRefer to Angle Adjustment Pin in Operating Refer to Hitch Locking Lever in Operating InstrucRefer to Angle Adjustment Lever in Operating Refer to Ground Contact Knob in OperatingTWO-STAGE Snowblower Operation Operating InstructionsTWO-STAGE Snowblower Controls Engaging the Snowblower PTO Clutch EngagedThrow Snow to Both Sides Clogging Checklist Throw Snow to One SideRaising and Lowering the Debris Blower Engaging the Debris Blower Stopping the MachineModel Service Item Daily Hours Maintenance InstructionsMaintenance procedures requiring special training or Tools should be performed by a trained technicianRotary Broom Gearbox with Cover Removed LubricationRotary Broom Gearbox Remove Chain Guard CoverRemove Reduction Box Cover Snowblower Lubricant Plug LocationTwo-Stage Snowblower Reduction Chain Grease Fitting and Oil Point LubricationLubrication Implement Hitch Lubrication Points Angle Adjustment Pin Oil Dozer Blade Lubrication Points Ident Rotary Broom Lubrication Points Location Type Two-Stage Snowblower Lubrication Points Ident Lubrication Location Type Debris Blower Lubrication Points Support Rear of Broom Housing REPLACING/REPAIRINGDozer Blade Cutting Edge Replacement Rotary Broom Brush Replace Rotary Broom Gearbox Rotary Broom Drive Chain Remove Brush from Broom HousingLoosen Chain Idler and Set Screws Rotary Broom Drive Sprocket Remove Chain Guard Loosen Chain TensionReplace Drive Chain Sprocket WearAlign Sprockets Check Sprocket Alignment with Chain InstalledRemove and Replace Sprocket Replace Snowblower Gearbox Reduction Sprocket Wear Replace Reduction ChainTwo-Stage Snowblower Reduction Sprocket Debris Blower Drive BeltAdjustments Dozer Blade Skid ShoesGauge Wheel Height Adjustment Skid Shoe Height Adjustment Rotary Broom Brush LevelingSide to Side Level Adjustment Rotary Broom Gauge Wheels Ance under the blade. On level, paved surfaces Loosen Chain Idler NutProper Drive Chain Tension Two-Stage Snowblower Skid Shoes Surface. On uneven or gravel surfaces, allow 1/2Proper Drive Belt Deflection Drive Belt Tension Adjustment Debris Blower Rotation Pinions Debris Blower Rotation Pinions Handle AdjustmentTorque Specifications Detach Blade from Implement Hitch Removal and Storage InstructionsRemoval Detach Rotary Broom from Implement Hitch Detach Snowblower from Implement HitchDetach Implement Hitch from Tractor END of Season StorageRotary Broom Implement Hitch Assembly FastenersUse only genuine Walker replacement parts RAD Technologies Inc Implement Hitch Electrical ComponentsImplement Hitch Electrical Components Fasteners Implement Hitch Electrical Components Dozer Blade Assembly Dozer Blade Assembly Kit I391 Side Caster Wheels Kit Rotary Broom AssemblyRotary Broom Assembly Rotary Broom Assembly Rotary Broom Drive Components Gearbox AssemblyDriveline and Sprockets Assembly Fasteners Rotary Broom Drive Components Snowblower Mount Assembly Snowblower Housing ComponentsChute Rotation Assembly Reduction Box AssemblySnowblower Housing Components Snowblower Drive Components Driveline and Auger ComponentsSnowblower Drive Components Debris Blower Components Debris Blower ComponentsDebris Blower Components Debris Blower Manual Rotation Components Debris Blower Manual Rotation ComponentsDebris Blower Manual Rotation Components KEY to Abbreviations Used in Illustrated Parts Manual Limited Warranty For Walker Commercial Rider Mower Walker MFG. CO E. Harmony ROAD, Fort COLLINS, CO 80528 970