OWNER’S MANUAL Safety, Assembly, Operating, and Maintenance Instructions and ILLUSTRATED PARTS MANUAL Model SB36 Single-Stage Snowblower ™ Please Read and Save These Instructions For Safety, Read All Safety and Operation Instructions Prior to Operating Machine Effective Date: 04-01-99 P/N 5600-1 Price $5.
Foreword Thank you. . .for purchasing a Walker snowblower. Every effort has been made to provide you with the most reliable product on the market, and we are sure you will be among our many satisfied customers. If for any reason this product does not perform to your expectations, please contact us at (970) 221-5614. Every customer is important to us. Your satisfaction is our goal. Please. . .
Table of Contents Owner’s Manual Operator’s Notes ___________________ 20 General Information ________________ 1 Maintenance Instructions__________ 21 HIGHLIGHTED INFORMATION _____________ GLOSSARY ____________________________ IDENTIFYING NUMBER LOCATIONS ________ SERVICING OF DRIVETRAIN GEARBOX ____ UNIT DESCRIPTION _____________________ 1 1 1 2 2 21 22 22 22 22 23 26 26 27 28 28 29 31 31 31 31 31 32 33 GROUND CLEARANCE IN RAISED POSITION_ DIMENSIONS ___________________________ BLOWER SPOUT ______
General Information HIGHLIGHTED INFORMATION IDENTIFYING NUMBER LOCATIONS Walker Manufacturing recommends that any service requiring special training or tools be performed by an authorized Walker Mower Dealer. There are several general practices to be aware of in the area of safety. Most accidents associated with the operation or maintenance of a Walker product are caused by disregarding basic safety precautions or specific warnings.
General Information SERVICING OF DRIVETRAIN GEARBOX UNIT DESCRIPTION Detailed servicing and repair of the gearbox used on the snowblower drivetrain is not covered in this manual. Only routine maintenance and general service instructions are provided. For the service of the gearbox during the limited warranty period, it is important to find a local, authorized servicing agent of the component manufacturer. Any unauthorized work done on this component during the warranty period may void the warranty.
Specifications MODEL SB36 GROUND CLEARANCE IN RAISED POSITION 4-1/2 in. (11 cm) DIMENSIONS Height 38 in. (97 cm) Width 40-1/2 in. (103 cm) Length (Excluding PTO Shaft) 32-3/4 in. (83 cm) Overall Length Installed on Tractor (Model MC/MS) 89 in. (226 cm) BLOWER SPOUT 6 in. (15 cm) Spout Position Adjustment 180° (Side-to-Side) AUGER DIMENSIONS Diameter 16 in. (41 cm) Blade Depth 3-1/2 in.
Component Identification NOTE: Control Identification shown in Operating Instructions section and in Illustrated Parts Manual.
Component Identification Lift Handle Pivot Grease Fittings Foot Trigger Pivot Flexible Coupling Right Angle Gearbox Auger Drive Chain Counterweight Spring Hook Tab Gauge Wheel Counterweight Spring Hook Tab Auger Scraper Blade Gauge Wheel Bottom View (Not Installed) 5
Safety Instructions Pay particular attention to any information labeled DANGER, WARNING, CAUTION, IMPORTANT, and NOTE in this manual. When you see the Safety Alert Symbol ( ), read, understand, and follow the instructions. Failure to comply with safety instructions may result in personal injury.
Safety Instructions 7. 8. 9. Do not wear loose fitting clothing that could get caught in moving parts. Always wear adequate protective clothing including long pants. Wearing safety glasses, safety shoes, and a helmet is advisable and required by some local ordinances and insurance regulations. Prolonged exposure to loud noise can cause impairment or loss of hearing. Operator hearing protection is recommended. Wear a suitable hearing protective device, such as earmuffs or earplugs.
Safety Instructions 13. Do not clear snow across the face of slopes. Use extreme caution when changing direction on slopes. Do not attempt to clear steep slopes. 14. Never adjust gauge wheels or skid shoes with the engine running. Before adjusting height or servicing, disengage the PTO clutch, stop the engine, and remove the ignition key. Wait for all movement to stop before getting off the seat. NOTE: Refer to the Walker Rider Lawnmowers OWNER’S MANUAL for proper tractor maintenance procedures. 1.
Safety Instructions SAFETY, CONTROL, AND INSTRUCTION DECALS Safety, Control, and Instruction Decals are installed on the machine; If any are missing, illegible, or damaged, a replacement should be ordered and installed before putting the machine into operation. The Decal Part Number is listed below and in the Parts Manual.
Assembly Instructions SETUP AND INSTALLATION 1. Remove the mower deck from the tractor if necessary. Refer to the appropriate Tractor Owner’s Manual. 2. Attach each of the lift brackets to the predrilled holes on the front chassis cross bar with a 5/16-18 x 1 in. bolt and a Whiz locknut. The locknuts should be on the front sides of the lift brackets. Refer to Lift Bracket Installation illustration. The RH bracket is attached using the existing battery pan mount bolt on newer models.
Assembly Instructions 3. Remove the PTO cover (between the footrests). Remove the shipping wire from the counterweight springs, place the lift handle in the UP (back) position, and hook the counterweight springs onto the hook tabs on the frame. The tabs are located below the right angle gearbox and drive shaft (refer to Counterweight Spring Hook Tab Locations photo). b. Lightly grease spout mounting neck and pivot area on the housing. c.
Assembly Instructions Spring-Loaded Coupler Ring In Full Forward Position PTO Shaft Pilot End Arrows Coupler Ring “Locked” Position PTO Coupler Spline Connection To Tractor Align PTO Shaft and PTO Coupler (shown before engaging snowblower mounting tubes with tractor support arms) b. Slide snowblower assembly onto tractor. Reaching under the tractor, pull the ring back on the PTO quick coupler, slide the coupler onto the tractor spline shaft, and release the coupler ring.
Assembly Instructions 11. Pull the lift handle back to raise the snowblower to the UP position. Pull Back Lift Handle 13. Raise and lower the snowblower a few times to check the operation and make sure it moves smoothly. If not, grease the lift handle pivot grease fittings located on the three tubes that support the lift handle pivot. Refer to LUBRICATION of Lift Handle Pivot in Maintenance Instructions. 14. Adjust the gauge wheels or skid shoes.
Assembly Instructions PREOPERATING CHECKLIST Before operating the snowblower for the first time, and as a routine before daily operations, it is important to make sure the snowblower is properly prepared and ready for operation. The following is a list of items to be checked. (For a snowblower with frequent operation, some of these items will not need to be checked every day, but the operator should be aware of the condition of each.
Operating Instructions CONTROL IDENTIFICATION, LOCATION, AND FUNCTION Tractor Controls Refer to the appropriate Tractor Owner’s Manual for complete information about tractor operating controls. WARNING Before operating the snowblower, become familiar with the location and function of all operator controls. Knowing the location, function, and operation of these controls is important for safe and efficient operation of the snowblower.
Operating Instructions Foot Trigger The foot trigger is located on the right footrest. The foot trigger and lift handle are used together to lower the snowblower. Pull the lift handle back, press the foot trigger, and hold on to the lift handle while letting it move forward to lower the snowblower. NOTE: For cold weather operation, follow the proper operating procedures in the appropriate Tractor Owner’s Manual. Allow sufficient time for the tractor engine to warm up before engaging the snowblower.
Operating Instructions STOPPING THE MACHINE CAUTION If the auger strikes a solid object or the machine begins to vibrate abnormally, immediately disengage the PTO clutch, stop the engine, and wait for all moving parts to stop. Disconnect the fuel solenoid wire [diesel engines] or the spark plug wire(s) [gasoline engines] to prevent accidental starting. Thoroughly inspect the snowblower and repair any damage before restarting the engine and operating the machine.
Operating Instructions RECOMMENDATIONS FOR SNOWBLOWING IMPORTANT: Operate the engine at full speed when snowblowing, to allow the engine to produce full horsepower and to increase efficiency of the engine cooling system. IMPORTANT: DO NOT use the snowblower as a dozer blade to push snow. Let the snowblower work its way through deep snow. If the tractor is driven forward into snow too fast, the snowblower may become overloaded and clog.
Operating Instructions The following list of items should be checked if a pattern of clogging begins to develop. All of these items are capable of causing clogging. • Check that the inside of the snowblower housing is clean and free of snow and/or ice buildup. • Check that the auger is in good condition and not bent, both the auger flighting and the center paddles. • Check the inside of the blower spout for smoothness and freedom of obstruction.
Operator’s Notes 20
Maintenance Instructions CAUTION Maintenance procedures requiring special training or tools should be performed by a trained technician.
Maintenance Instructions LUBRICATION LUBRICATION 1. WARNING DO NOT attempt to lubricate the machine with the tractor engine running. Disengage the PTO clutch, shut off the machine, and remove the ignition key. Remove the gearbox following the procedure described in Gearbox Replacement in REPLACING/REPAIRING. Gearbox Cover Mounting Tabs Proper lubrication is an important maintenance procedure. It reduces wear and makes the machine quieter and easier to operate.
Maintenance Instructions LUBRICATION Drive Chain Lubrication Lubricate the drive chain every 25 hours. A light penetrating oil or special purpose chain oil is recommended. Lubricate the drive chain as follows: 1. Remove the three (3) screws fastening the removable chain guard cover to the snowblower housing and remove the cover. Chain Chain Tension Block Mounting Bolt Chain Guard Cover Remove Chain Guard Cover 2. Apply oil to the drive chain. 3. Adjust the chain if necessary.
Maintenance Instructions Ident No. 1 2 3 4 5 6 7 8 9 10 11 12 24 Location Lubrication Type Spout Deflector Pivot Spout Position Control Handle Pivot Foot Trigger Latch (Grease Slide Area) Mounting Tube Sockets Lift Handle Pivot Spout Deflector Slide Area Counterweight Spring and Lift Chain Clevis Pins Universal Joint Shaft Assembly Foot Trigger Pivot Right Angle Gearbox Gauge Wheel Axle (If equipped) Drive Chain LUBRICATION No.
Maintenance Instructions LUBRICATION 1 2 6 Rear View 3 4 4 5 5 7 7 8 5 7 7 Bottom View 9 10 12 11 11 Snowblower Lubrication Points 25
Maintenance Instructions REPLACING/REPAIRING REPLACING/REPAIRING Gearbox Replacement Remove and replace the gearbox as follows: WARNING To prevent accidental engine starting when replacing parts or repairing the machine, remove the key from the ignition switch and disconnect the fuel solenoid wire [diesel engines] or the spark plug wire(s) [gasoline engines]. 1. Remove the gearbox cover. Two (2) bolts (one on each side) fasten the cover to mounting tabs on the frame. 2.
Maintenance Instructions REPLACING/REPAIRING Drive Chain Master Link The drive chain should be replaced if, when adjusted properly, it can be pulled away from the front of the auger sprocket more than 1/2 of the height of a tooth on the sprocket. Running the snowblower with a worn chain increases wear on the sprockets. 1. Remove the chain guard cover and the LH auger guard. Refer to LUBRICATION of Drive Chain in this section for removing chain guard cover. 2.
Maintenance Instructions REPLACING/REPAIRING Sprockets Woodruff Key A sprocket should be replaced when the teeth become asymmetric (when the front side of a tooth is a different shape than the back side of the tooth). NOTE: Generally; a small sprocket wears faster than a large sprocket. Drive Shaft Set Screw Symmetric (Acceptable) Sprocket Remove and Replace Sprocket 7. Asymmetric (Replace) Position the sprocket on the drive shaft so it is aligned with the auger sprocket.
Maintenance Instructions 8. When the sprockets are aligned properly, tighten the set screw in the drive shaft sprocket. 9. Reinstall and adjust the drive chain by reversing the removal procedures. Refer to ADJUSTMENTS of Drive Chain in this section. 10. Recheck the sprocket alignment with the chain installed. Drive Shaft Sprocket REPLACING/REPAIRING 5. Remove the auger from the snowblower housing. There is a spacer washer on each end of the auger shaft. 6.
Maintenance Instructions REPLACING/REPAIRING 19. Lubricate the drive chain. Refer to LUBRICATION of Drive Chain in this section. 20. Reinstall the auger guards and the chain guard cover by reversing the removal procedures.
REPLACING/REPAIRING/ ADJUSTMENTS Maintenance Instructions Scraper Blade Inspect the scraper blade for wear or damage before each use. The blade is hardened and if the gauge wheels (or skid shoes) are properly adjusted, the blade should give a reasonable amount of service before replacement. The blade should be replaced before it has worn down to the point where the blade mount on the housing is dragging and wearing.
Maintenance Instructions ADJUSTMENTS 1. Park the tractor on a level surface and lower the snowblower. 2. Loosen the bolts that fasten the gauge wheels (or skid shoes) to the snowblower. Chain Tension Block Mounting Bolt Loosen Chain Tension Block Mounting Bolt 2. Position the chain tension block so the chain has 1/4 to 1/2 in. (6 to 13 mm) of slack. 3. Retighten the chain tension block mounting nut and bolt. 4. Recheck the drive chain tension. Gauge Wheel Adjust Gauge Wheels 3.
Removal and Storage Instructions REMOVAL 1. Park the tractor on a level surface and lower the snowblower. WARNING DO NOT attempt to remove the snowblower with the tractor engine running. Disengage the PTO clutch, stop the engine, and remove the ignition key. Wait for all movement to stop before getting off the seat. To prevent accidental engine starting, disconnect the fuel solenoid wire [diesel engines] or the spark plug wire(s) [gasoline engines]. 2.
MAIN BODY COMPONENTS ITEM NO. PART NO. DESCRIPTION NO.
MAIN BODY COMPONENTS Effective Date 04-01-99 Use only genuine Walker replacement parts.
AUGER AND DRIVETRAIN COMPONENTS ITEM NO. PART NO. DESCRIPTION NO. REQ’D Auger Assembly 1 5602 5602-4 2 3 4 5 5615 5613 5614 5609 6 7 5608 5612 ITEM NO. 5052-3 5050-1 5631 11 5624 12 13 5632 5630 14 15 16 17 18 19 20 21 22 23 5268 5595-2 5635 5841 5626-2 5233 5843-2 5622 5050-10 5624-15 24 8067-10 Auger 1 Auger Assembly * (Includes Items # 1, 4, 5, 6, 7, F034 & F168) Key Plate, Auger Shaft 1 1-1/16 x 1-1/2 x .
AUGER AND DRIVETRAIN COMPONENTS Effective Date 04-01-99 Use only genuine Walker replacement parts.
KEY TO ABBREVIATIONS USED IN ILLUSTRATED PARTS LIST Abbreviation What it Represents AT................................................................................................................................................................ All-Terrain CCW .............................................................................................................................................. Counter-clockwise Conn. ................................................................................
LIMITED WARRANTY FOR WALKER MODEL SB36 SINGLE-STAGE SNOWBLOWER 1. WHAT THIS WARRANTY COVERS, AND FOR HOW LONG: Walker Manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which is found to be defective in material and/or workmanship within one (1) year after date of sale to the original retail purchaser unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days.
WALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 050399 PRINTED IN USA ©1999 WALKER MFG.
