Walker DB6660, SB6670, DB6680 Install Rotation Worm Assembly, Install Chute over Plastic Insert

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Assembly Instructions

5.Insert the 1-11/16 in. (43 mm) plastic bushing in- to the bushing support and place this over the shaft on the rotation worm.

6.Install the rotation worm assembly through the tube weldment with the attaching plate of the support on the underside of the chute base lip.

Tube

 

 

 

 

 

Bushing

Weldment

 

 

 

 

 

 

Rotation

Worm

Bushing Support

With Attaching Plate

Install Rotation Worm Assembly

7.Install the chute over the plastic insert and se- cure with four retaining plates, using two (2) 1/4 x 1/2 in. bolts, lock washers, and nuts in each of the three (3) standard retaining plates, and two

(2) 1/4 x 3/4 in. bolts, lock washers and nuts in the rear right retaining plate which also secures the support. Torque all bolts to 10 ft-lb. (13.6 N·m).

Chute

Retaining

Plate

Install Chute over Plastic Insert

8.Insert two (2) 5/16 x 1 in. carriage bolts through each of the skid shoes from inside the bend. Place a flat washer, lock washer, and nut loose- ly on each bolt and place the bolt heads through the round holes in the outer ends of the bottom angle of the snowblower body. Adjust the skid shoes to allow the required clearance under the cutting edge. Slide the square shank portion of the bolt head into the slot and torque to 19 ft-lb (25.8 N·m). Refer to ADJUSTMENTS of Two- Stage Snowblower Skid Shoes in Mainte- nance Instructions.

Snowblower

Housing

Skid Shoe

Carriage Bolts

Install Skid Shoes

Snowblower Installation

1.Thoroughly clean the drive shaft yoke and install a 1/4 x 1/4 x 1-1/4 in. key in the reduction shaft keyway.

2.Slide the drive shaft yoke over the reduction shaft.

3.Secure the yoke to the reduction shaft with a 1/4 x 2-1/2 in. bolt and nylon locknut. Tighten the nut and the 3/8 x 3/8 in. allen set screw securely over the key in the yoke.

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Contents Illustrated Parts Manual Foreword Table of Contents Maintenance Schedule Chart Torque SpecificationsImplement Hitch Assembly Electrical Components KEY to Abbreviations Used in Illustrated Parts ListGeneral Information GlossaryIdentifying Number Locations Fill In By PurchaserSerial Number Serial Number Rotary Broom Serial Number LocationUnit Descriptions Specifications Implement HitchDozer Blade 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 Assembly Instructions Setup InstructionsImplement Hitch Installation Implement Hitch Jam Nut AdjustmentDrill Holes for Implement Hitch Wiring Attach Toggle Switch Mounting BracketAttach Wiring Harness and Toggle Switch 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 Prepare Rotary Broom for Installation Assemble Rotary Broom DrivelineAttach Broom to Implement Hitch 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 Install Bolt in Reduction Box Install Reduction Box CoverAttach Drive Shaft Yoke to Reduction Shaft Mount Female Hitch to SnowblowerAttach Snowblower to Implement Hitch Connect Driveline Coupler to Tractor PTOAttach Parallel Bar to Female Hitch 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 MachineMaintenance Instructions Maintenance procedures requiring special training orModel Service Item Daily Hours Tools should be performed by a trained technicianLubrication Rotary Broom GearboxRotary Broom Gearbox with Cover Removed Remove Chain Guard CoverSnowblower Lubricant Plug Location Two-Stage Snowblower Reduction ChainRemove Reduction Box Cover 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 Remove Chain Guard Loosen Chain Tension Replace Drive ChainRotary Broom Drive Sprocket Sprocket WearAlign Sprockets Check Sprocket Alignment with Chain InstalledRemove and Replace Sprocket Replace Snowblower Gearbox Replace Reduction Chain Two-Stage Snowblower Reduction SprocketReduction Sprocket Wear 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 Loosen Chain Idler Nut Proper Drive Chain Tension Two-Stage Snowblower Skid ShoesAnce under the blade. On level, paved surfaces 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 Housing Components Chute Rotation AssemblySnowblower Mount 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