TWO-STAGE Snowblower | Walker IH6620, SB6670, DB6680, DB6660, RB6650

Specifications

MODEL	IMPLEMENTS

ROTARY BROOM (continued)
Hitch System	Patented Quick Hitch System
Type Brush	18 in. (46 cm) Diameter Polypropylene or Steel, Clockwise Rotation
Brush Drive	PTO Shaft Driving Center Mounted Gearbox
Primary Reduction	Gearbox, 2.78:1 Ratio
Secondary Reduction	#40 Chain and Sprockets, 3.27:1 Ratio
Maximum Brush Speed	260 RPM
Broom Angle Adjustment	Five Positions, 0° (Straight Ahead), 12.5° and 25° LH or RH
Working Width At Maximum Angle (25°)	39-3/16 in. (100 cm)
Ground Contact Pressure	Screw Adjustment with Viscous Damper
Body Construction	14 Gauge Steel
Capacity	Clears up to 4 in. (10 cm) snow

TWO-STAGE SNOWBLOWER
Height (Without Chute)	20-3/4 in. (53 cm)
Width	42 in. (107 cm)
Clearing Width	42 in. (107 cm)
Length (With Female Hitch)	22-1/2 in. (57 cm)
Overall Length Installed on Tractor	95 in. (241 cm)
Weight (With Female Hitch)	210 lb (95 kg)
Lift	12 Volt DC Electric Ram Linear Actuator, Operated by Toggle
	Switch Mounted on FSC Lever
Hitch System	Patented Quick Hitch System
Type Blower	Two-Stage with 12-7/8 in. (33 cm) Diameter Auger and
	15-3/4 in. (40 cm) Diameter, 3-Blade Impeller, Clockwise Rotation
Snowblower Drive	PTO Shaft Driving Blower Wheel
Impeller Drive	Chain, #40
	Driving Sprocket: H40C11
	Driven Sprocket: H40B32
Auger Drive	Worm Gearbox, 5:1 Ratio
Discharge Angle Adjustment	Chute Direction Rotation 228° by Crank, Adjustable Spout
	Deflector, Adjustable from Operator Seat, Up to 40 ft (12 m)
	Discharge Distance
Body Construction	Frame Thickness: 14 Gauge Steel
	Side Thickness: 11 Gauge Steel
	Impeller Housing Thickness: 14 Gauge Steel
Cutting Height	19 in. (48 cm)
Depth Guide	Two Adjustable, Replaceable Skid Shoes,
	Adjustable from 1/4 to 3/4 in. (6 to 19 mm)

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Walker IH6620, SB6670, DB6680, DB6660, RB6650 owner manual TWO-STAGE Snowblower

Contents

Illustrated Parts Manual Foreword Table of Contents Torque Specifications Maintenance Schedule ChartImplement Hitch Assembly Electrical Components KEY to Abbreviations Used in Illustrated Parts List Glossary General InformationIdentifying Number Locations Fill In By Purchaser Serial Number Rotary Broom Serial Number Location Serial Number Unit Descriptions Implement Hitch SpecificationsDozer Blade Rotary Broom TWO-STAGE Snowblower Debris Blower Component Identification Implement Hitch Top View Not Installed Dozer 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 Decals SAFETY, CONTROL, and Instruction Decals Setup Instructions Assembly InstructionsImplement Hitch Installation Implement Hitch Jam Nut Adjustment Attach Toggle Switch Mounting Bracket Drill Holes for Implement Hitch WiringAttach Wiring Harness and Toggle Switch Connect Harness Wire to Circuit Breaker Complete 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 Shaft Adjust Brush to Ground Contact Lock Stopper Pin in PlaceGHS Blower Intake Cover Install Plastic Insert over Chute Base Lip Install Hand Guard on Chute Install 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 Snowblower Connect Driveline Coupler to Tractor PTO Attach Snowblower to Implement HitchAttach Parallel Bar to Female Hitch Insert Rotation Handle into Rotation Worm Attach Debris Blower to Implement Hitch Attach Tractor PTO to Debris Blower Input Shaft Refer to Hitch Locking Lever in Operating Instruc Refer to Angle Adjustment Pin in Operating Refer to Ground Contact Knob in Operating Refer to Angle Adjustment Lever in Operating Operating Instructions TWO-STAGE Snowblower ControlsTWO-STAGE Snowblower Operation PTO Clutch Engaged Engaging the Snowblower Throw Snow to One Side Throw Snow to Both Sides Clogging Checklist Raising and Lowering the Debris Blower Stopping the Machine Engaging the Debris Blower Maintenance procedures requiring special training or Maintenance InstructionsModel Service Item Daily Hours Tools should be performed by a trained technician Rotary Broom Gearbox LubricationRotary Broom Gearbox with Cover Removed Remove Chain Guard Cover Two-Stage Snowblower Reduction Chain Snowblower Lubricant Plug LocationRemove Reduction Box Cover Grease Fitting and Oil Point Lubrication Lubrication 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 Wear Check 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 Belt Dozer Blade Skid Shoes Adjustments Skid 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 1/2 Proper Drive Belt Deflection Debris Blower Rotation Pinions Handle Adjustment Drive Belt Tension Adjustment Debris Blower Rotation Pinions Torque Specifications Removal and Storage Instructions RemovalDetach Blade from Implement Hitch Detach Snowblower from Implement Hitch Detach Rotary Broom from Implement Hitch END of Season Storage Detach Implement Hitch from Tractor Rotary Broom Fasteners Implement Hitch Assembly Use 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 Assembly Snowblower Housing Components Driveline and Auger Components Snowblower Drive Components Snowblower Drive Components Debris Blower Components Debris Blower Components Debris Blower Components Debris Blower Manual Rotation Components Debris Blower Manual Rotation Components Debris 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