Walker SB6670, DB6680 Snowblower Lubricant Plug Location, Two-Stage Snowblower Reduction Chain

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Maintenance Instructions

LUBRICATION

Two-Stage Snowblower Gearbox

The gearbox is permanently lubricated (oil filled) and sealed requiring no scheduled lubrication. However, the gearbox oil seal(s) should be checked every 25 hours for indication of an oil leak. If an oil leak is noted, replace the oil seal(s) and relubricate the gear-box as follows:

1.Remove the gearbox following the procedure described in REPLACING/REPAIRING the Two-Stage Snowblower Gearbox in this sec- tion.

Lubricant

Plug

Snowblower Lubricant Plug Location

2.Clean the area around the lubricant plug locat- ed on the front of the gearbox.

3.Remove the lubricant plug on the gearbox.

4.If the lubricant is flowing out of the plug hole, the gearbox is full. Reinsert the plug. If no lubricant flows out, add SAE E.P. (Extreme Pressure) 90W lubricant into the gearbox through the plug hole until it starts to flow out.

5.Wipe the threads of the gearbox plug before re- installing.

6.Torque to 24 in-lb (2.7 N·m).

NOTE: In case the gearbox is completely drained of oil, approximately 5 fl. oz. (15 cl) of oil is required to refill the gearbox.

Two-Stage Snowblower Reduction Chain

Lubricate the reduction chain every 25 hours. A light penetrating oil or special purpose chain oil is recom- mended. Lubricate the reduction chain as follows:

1.Remove the bolt fastening the reduction box cover to the reduction box and remove the cover.

Reduction

Chain

Remove Reduction Box Cover

2.Apply oil to the reduction chain.

3.Adjust the chain if necessary. Refer to AD- JUSTMENTS of Two-Stage Snowblower Re- duction Chain Tension in this section.

4.Reinstall the reduction box cover by reversing the removal procedures.

Grease Fitting and Oil Point Lubrication

Lubricate the grease fittings and oil points after ev- ery 25 hours of operation. Use SAE general pur- pose lithium or molybdenum base grease for grease fittings and light machine oil (SAE 10) to lubricate oil points. Lubricate the locations shown in the Lu- brication Points illustrations on the following pages.

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Contents Illustrated Parts Manual Foreword Table of Contents Torque Specifications Maintenance Schedule ChartImplement Hitch Assembly Electrical Components KEY to Abbreviations Used in Illustrated Parts ListGlossary General InformationIdentifying Number Locations Fill In By PurchaserSerial Number Rotary Broom Serial Number Location Serial NumberUnit Descriptions Implement Hitch SpecificationsDozer Blade Rotary BroomTWO-STAGE Snowblower Debris Blower Component Identification Implement Hitch Top View Not InstalledDozer 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 Safety Instructions Before OperatingDo not operate with bystanders in the area Operating Maintenance PTO Shield Walker P/N Attaching Hitch Hitch Mount Adjust SAFETY, CONTROL, and Instruction DecalsSAFETY, CONTROL, and Instruction Decals Setup Instructions Assembly InstructionsImplement Hitch Installation Implement Hitch Jam Nut AdjustmentAttach Toggle Switch Mounting Bracket Drill Holes for Implement Hitch WiringAttach Wiring Harness and Toggle Switch Connect Harness Wire to Circuit BreakerComplete Implement Hitch Wiring Implement Hitch Wiring Diagram Attach Spring to Blade Assembly Insert Adjustment Pin and Set Blade AngleInsert Female Hitch into Blade Attachment Install Skid Shoes Rotary Boom InstallationAttach Blade to Tractor Assemble Rotary Broom Driveline Prepare Rotary Broom for InstallationAttach Broom to Implement Hitch Connect Broom Driveline to Tractor PTO ShaftAdjust Brush to Ground Contact Lock Stopper Pin in PlaceGHS Blower Intake Cover Install Plastic Insert over Chute Base Lip Install Hand Guard on ChuteInstall Rotation Worm Assembly Install Chute over Plastic InsertInstall Skid Shoes Snowblower Installation Install Reduction Box Cover Install Bolt in Reduction BoxAttach Drive Shaft Yoke to Reduction Shaft Mount Female Hitch to SnowblowerConnect Driveline Coupler to Tractor PTO Attach Snowblower to Implement HitchAttach Parallel Bar to Female Hitch Insert Rotation Handle into Rotation WormAttach Debris Blower to Implement Hitch Attach Tractor PTO to Debris Blower Input ShaftRefer to Hitch Locking Lever in Operating Instruc Refer to Angle Adjustment Pin in OperatingRefer to Ground Contact Knob in Operating Refer to Angle Adjustment Lever in OperatingOperating Instructions TWO-STAGE Snowblower ControlsTWO-STAGE Snowblower Operation PTO Clutch Engaged Engaging the SnowblowerThrow Snow to One Side Throw Snow to Both Sides Clogging ChecklistRaising and Lowering the Debris Blower Stopping the Machine Engaging the Debris BlowerMaintenance procedures requiring special training or Maintenance InstructionsModel Service Item Daily Hours Tools should be performed by a trained technicianRotary Broom Gearbox LubricationRotary Broom Gearbox with Cover Removed Remove Chain Guard CoverTwo-Stage Snowblower Reduction Chain Snowblower Lubricant Plug LocationRemove 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 REPLACING/REPAIRING Dozer Blade Cutting Edge Replacement Rotary Broom BrushSupport Rear of Broom Housing Remove Brush from Broom Housing Loosen Chain Idler and Set ScrewsReplace Rotary Broom Gearbox Rotary Broom Drive Chain Replace Drive Chain Remove Chain Guard Loosen Chain TensionRotary Broom Drive Sprocket Sprocket WearCheck Sprocket Alignment with Chain Installed Remove and Replace SprocketAlign Sprockets Replace Snowblower Gearbox Two-Stage Snowblower Reduction Sprocket Replace Reduction ChainReduction Sprocket Wear Debris Blower Drive BeltDozer Blade Skid Shoes AdjustmentsSkid Shoe Height Adjustment Rotary Broom Brush Leveling Side to Side Level Adjustment Rotary Broom Gauge WheelsGauge Wheel Height Adjustment Proper Drive Chain Tension Two-Stage Snowblower Skid Shoes Loosen Chain Idler NutAnce under the blade. On level, paved surfaces Surface. On uneven or gravel surfaces, allow 1/2Proper Drive Belt Deflection Debris Blower Rotation Pinions Handle Adjustment Drive Belt Tension Adjustment Debris Blower Rotation PinionsTorque Specifications Removal and Storage Instructions RemovalDetach Blade from Implement Hitch Detach Snowblower from Implement Hitch Detach Rotary Broom from Implement HitchEND of Season Storage Detach Implement Hitch from TractorRotary Broom Fasteners Implement Hitch AssemblyUse only genuine Walker replacement parts Implement Hitch Electrical Components Implement Hitch Electrical Components FastenersRAD Technologies Inc Implement Hitch Electrical Components Dozer Blade Assembly Dozer Blade Assembly Rotary Broom Assembly Rotary Broom AssemblyKit I391 Side Caster Wheels Kit Rotary Broom Assembly Gearbox Assembly Driveline and Sprockets Assembly FastenersRotary Broom Drive Components Rotary Broom Drive Components Chute Rotation Assembly Snowblower Housing ComponentsSnowblower Mount Assembly Reduction Box AssemblySnowblower Housing Components Driveline and Auger Components Snowblower Drive 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