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Walker DB6660, Owner'S Manual

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Walker DB6660 Owner'S Manual Download Page 59

Maintenance Instructions

REPLACING/REPAIRING

59

6.

Align the slot in the new sprocket with the
square key and slide the sprocket onto the drive
shaft.  Make sure the key is in place between
the drive shaft and sprocket.

Remove and Replace Sprocket

Align Sprockets

7.

Position the sprocket on the drive shaft so it is
aligned with the chain drive shaft sprocket.

8.

When the sprockets are aligned properly, tight-
en the set screw in the drive shaft sprocket.

9.

Install chain and adjust the chain tension.  Refer
to  ADJUSTMENTS of Rotary Broom  Drive
Chain Tension in this section.

10. With the chain installed, recheck the sprocket

alignment.

11. Lubricate the drive chain.  Refer to LUBRICA-

TION of Rotary Broom Drive Chain in this sec-
tion.

Check Sprocket Alignment with Chain Installed

12. Reinstall the chain guard by reversing the re-

moval procedures.

Two-Stage Snowblower Cutting Edge

NOTE: The cutting edge of the snowblower is re-
versible and needs to be replaced only when both
the top and bottom edges have worn.

Replace the snowblower cutting edge as follows:

1.

Remove the six (6) 5/16-NC hex nuts and
5/16 in. lock washers from the rear of the snow-
blower housing, behind the cutting edge.  Re-
move the six (6) 5/16-NC x 1 in. carriage bolts
from the front of the cutting edge.

2.

If only one edge of the blade is dulled or
nicked, rotate the blade 180 degrees.  (The
sharp edge should now be at the bottom.)  Re-
install the cutting edge onto the snowblower
housing by reversing the removal procedure.

3.

If both edges are dull or nicked, remove the
cutting edge and install a new one by reversing
the removal procedure.

Square Key

Set Screw

Drive

Sprocket

Set Screw

Drive
Shaft

Proper

Alignment

Improper

Alignment

Proper

Alignment

Improper

Alignment

Summary of Contents for DB6660

Page 1: ...RTS MANUAL IH6620 Implement Hitch RB6650 Rotary Broom DB6660 Dozer Blade SB6670 Two Stage Snowblower and DB6680 Debris Blower Please Read and Save These Instructions Effective Date 06 01 01 For Safety Read All Safety and Operation P N I375 Instructions Prior to Operating Machine Price 5 00 ...

Page 2: ...safety and must be read and understood to help prevent possible injury to the operator or others If anything in this manual is confusing or hard to understand please call our service department at 970 221 5614 for clarification before operating or ser vicing this product This manual covers the Model IH6620 Implement Hitch RB6650 Rotary Broom DB6660 Dozer Blade SB6670 Two Stage Snowblower and DB668...

Page 3: ...ER ______________________ 31 Debris Blower Installation______________ 31 PREOPERATING CHECKLIST ____________ 32 Implement Hitch______________________ 32 Dozer Blade _________________________ 32 Rotary Broom________________________ 32 Two Stage Snowblower________________ 33 Debris Blower _______________________ 33 Operating Instructions_____________ 34 TRACTOR CONTROLS __________________ 34 STARTIN...

Page 4: ..._____ 63 Rotary Broom Drive Chain Tension ______ 64 Two Stage Snowblower Skid Shoes______ 64 Two Stage Snowblower Reduction Chain Tension ______________ 64 Debris Blower Front Gauge Wheel_______ 65 Debris Blower Drive Chain Tension ______ 65 Debris Blower Rotation Pinions _________ 66 Debris Blower Rotation Handle _________ 66 TORQUE SPECIFICATIONS ______________ 67 Removal and Storage Instruction...

Page 5: ...gle unit POWER TAKE OFF PTO transmits engine power to run the rotary broom two stage snow blower or debris blower RIGHT HAND RH refers to the right hand side of the machine when the operator is seated fac ing forward in the tractor seat TRACTOR is the prime mover including the en gine drivetrain operator seat and controls to operate the implement IDENTIFYING NUMBER LOCATIONS The implement hitch se...

Page 6: ...lade Serial Number Location Rear View Rotary Broom Serial Number Location Rear View Two Stage Snowblower Serial Number Location Rear View and RH View Debris Blower Serial Number Location Rear View and RH View Serial Number Serial Number Serial Number Serial Number Serial Number ...

Page 7: ...angle adjustment It is used for removal of snow loose dirt and gravel and is raised and lowered automatically with the lift control switch The dozer blade is designed to trip forward when striking a large object eliminating shock to the trac tor and operator Tire chains and a soft cab are available as optional equipment Rotary Broom The rotary broom has a 47 inch 119 cm sweeping path and five posi...

Page 8: ...tem Patented Quick Hitch System Type Blade Multi Purpose Blade with Reversible and Replaceable Cutting Edge Spring Forward Trip Action with Lock Out Angle Adjustment Five Positions 0 Straight Ahead 15 and 30 LH or RH Body Construction Blade Thickness 11 Gauge Steel Frame Thickness 3 8 in 10 mm Cutting Edge Thickness 1 4 in 6 mm Depth Guide Two Adjustable Replaceable Skid Shoes Adjustable from 1 4 ...

Page 9: ...h 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...

Page 10: ...iameter 8 blade Aluminum Impeller Counterclockwise Rotation Blower Drive PTO Shaft Driving Blower Wheel Recommended RPM 3600 RPM 4000 RPM Maximum Airflow at 4000 RPM 2000 cfm Noise Level at 4000 RPM Approx 90 Dba Approximate Required Horsepower 14 HP 10 4 kw Air Velocity Mean 125 mph 201 km h Maximum 160 mph 257 km h Discharge Angle Adjustment Chute Direction Rotation 230 by Crank Adjustable from ...

Page 11: ...ol Identification shown in Operating Instructions section and in Illustrated Parts Manual IMPLEMENT HITCH Male Quick Hitch Latch Footrest Linchpin Mounting Tube Hitch Locking Lever Jam Nut Footrest Safety Chain Assembly Mounting Tube Linear Actuator Linear Actuator Electrical Connector PTO Shield ...

Page 12: ...r Blade Rear View and Right Side View Not Installed Skid Shoe Pin Skid Shoe Trip Spring Lockout Bracket Skid Shoe Bracket Trip Spring Lockout Pin Female Quick Hitch Hitch Box Angle Adjustment Pin Trip Spring Welded Blade DOZER BLADE ...

Page 13: ...ry Broom Rear View and Right Side View Not Installed ROTARY BROOM Brush Rotary Broom Housing Ground Contact Knob Tension Spring Stopper Pin Pivot Bracket Parking Stand Broom Angle Adjustment Lever Plastic Wheel Female Hitch PTO Shaft ...

Page 14: ... 10 Two Stage Snowblower Front View and Right Side View Not Installed TWO STAGE SNOWBLOWER Hand Guard Gearbox Support Bracket Deflector Position Control Knob Chute Chute Rotation Handle Fan Frame Auger Auger Gearbox Deflector ...

Page 15: ... 11 Two Stage Snowblower Rear View Not Installed Deflector Chute Chute Rotation Handle Reduction Box Cover Skid Shoe Parallel Bar PTO Drive Shaft Female Quick Hitch Skid Shoe Snowblower Housing Deflector Position Control Knob ...

Page 16: ...dentification 12 Debris Blower Front View and Left Side View Not Installed DEBRIS BLOWER Parking Stand Female Quick Hitch PTO Drive Shaft Pivot Wheel Belt Guard Blower Motor Housing Chute Rotation Handle Linchpin ...

Page 17: ...13 Chute Rotation Handle Belt Guard Parking Stand Pins Driveline Guard PTO Drive Shaft Female Quick Hitch Parking Stand Rotation Pinions Deflector Position Control Knob Debris Blower Rear View and Right Side View Not Installed ...

Page 18: ...ker Manufacturing Company at 970 221 5614 BEFORE OPERATING 1 Read and understand the contents of this OWNER S MANUAL before operating the machine Become thoroughly familiar with all controls and how to stop the machine and disen gage the controls quickly Replacement Owner s Manuals are available by sending the Model and Serial Number to Walker Manufacturing Company 5925 E Harmony Road Fort Collins...

Page 19: ...ain er cap securely and clean up any spilled fuel before starting the engine OPERATING NOTE Refer to the Walker Rider Lawnmowers OWNER S MANUAL for safety instructions for operating the tractor 1 Operate the machine only in daylight or in good artificial light with good visibility of areas being cleaned 2 Sit on the seat when starting the engine and op erating the machine Keep feet on footrests at...

Page 20: ...y be hot enough to cause serious burns 19 When leaving the machine unattended disen gage the PTO clutch stop the engine and re move the ignition key MAINTENANCE NOTE Refer to the Walker Rider Lawnmowers OWNER S MANUAL for proper tractor mainte nance procedures 1 To prevent accidental starting of the engine when servicing or adjusting the machine re move the key from the ignition switch and dis con...

Page 21: ...rt Number is listed below and in the Parts Manual the Decal Location is shown in the Parts Manual Attaching Hitch Walker P N I393 RAD P N 657364 Hitch Mount Adjust Walker P N 6618 Implement Hitch Walker P N 6632 PTO Shield Walker P N 7822 Brush Height RAD P N 661521 Rotating Driveline Walker P N I395 RAD P N 657763 Brush Ground Contact RAD P N 661052 Rotating Auger Walker P N I394 RAD P N 657762 S...

Page 22: ...n The Decal Part Number is listed below and in the Parts Manual the Decal Location is shown in the Parts Manual Use Shear Bolts RAD P N 657346 Trip Spring Lockout RAD P N 657503 Stay Clear Blade RAD P N 657524 Lubricate Chain RAD P N 657804 Danger High Velocity RAD P N 661248 Keep Hands Out Walker P N I396 RAD P N 657761 Avoid Serious Injury RAD P N 661247 Grease All Points RAD P N 6586708 Drive B...

Page 23: ...h support arm to lock the hitch in place Two 2 hitch pins are included in the owner s packet of materials Implement Hitch Installation IMPORTANT If the tractor body needs to be raised the PTO shield must be in the closed or down po sition and the implement must be in the lowered position The only time the PTO shield needs to be open or raised is when connecting or disconnecting the driveline for t...

Page 24: ...g the three wiring clamps three 10 24 x 3 8 in bolts and Keps nuts 4 Attach the toggle switch to the mounting brack et placing the switch terminals toward the front of the mower Attach Wiring Harness and Toggle Switch 5 On Models MC MDD MDG and MT connect the harness red wire to the load side of the cir cuit breaker mounted on the bracket behind the battery Connect Harness Wire to Circuit Breaker ...

Page 25: ... backward to raise the implement hitch to the UP position 8 Move the implement lift switch forward to lower the implement hitch to the DOWN position 9 Raise and lower the hitch a few times to check the operation and make sure it moves smoothly If not make sure the wiring harness ends are connected properly and securely Refer to Im plement Hitch Wiring Diagram illustration Wire Harness Connector Ac...

Page 26: ...Assembly Instructions 22 Implement Hitch Wiring Diagram ...

Page 27: ...ccording to the amount of spring tension re quired for safe operation Refer to Trip Spring in Operating Instructions Attach Spring to Blade Assembly 5 Insert a 3 16 x 1 in split spring pin into the angle adjustment pin 6 Rotate the female quick hitch to obtain the re quired blade angle Align the hole in the center of the female quick hitch with one of the five 5 holes in the hitch box and insert t...

Page 28: ...ctor 2 To install the optional tire chains a Remove the tractor wheels b Attach the tire chains to the wheels c Place the wheel spacer plates on the lug bolts The wheel spacer plates provide clearance for the chains between the tires and the tractor body d Place the wheels back on the tractor e Reinstall and tighten the lug bolts ROTARY BROOM Rotary Boom Installation 1 Insert a parking stand into ...

Page 29: ... in Operating In structions Attach Broom to Implement Hitch 5 Connect the broom driveline to the tractor PTO shaft by sliding back the locking collar on the yoke then push the yoke over the PTO shaft until the locking collar snaps back fully Make sure the driveline is well secured at both ends Connect Broom Driveline to Tractor PTO Shaft Stand Support Bracket Hairpin Parking Stand Drive Shaft Yoke...

Page 30: ... c Place the wheel spacer plates on the lug bolts The wheel spacer plates provide clearance for the chains between the tires and the tractor body d Place the wheels back on the tractor e Reinstall and tighten the lug bolts 10 For GHS Grass Handling System equipped Walker tractors install a blower intake cover in the blower intake tube The cover unloads the blower and seals the intake to effectivel...

Page 31: ...ase ring Place two 2 1 4 x 3 4 in bolts through the chute and the hand guard Secure with a flat washer lock washer and nut Position the bolt with the head on the outside of the chute and the nut on the inside Torque both bolts to 10 ft lb 13 6 N m Install Hand Guard on Chute 2 Remove the bushing support from the chute base lip and discard the existing bolt refer to In stall Rotation Worm Assembly ...

Page 32: ... 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 S...

Page 33: ...side placing the bolt head on the outside with a flat washer lock washer and nut on the inside Use one 1 2 x 1 in bolt lock washer and nut in the bottom hole of each side Tighten all four 4 bolts securely Mount Female Hitch to Snowblower 7 Insert the male quick hitch section of the imple ment hitch into the female hitch of the snow blower and lock in place by moving the hitch locking lever fully f...

Page 34: ... Rotation Handle into Rotation Worm 13 To install the optional tire chains a Remove the tractor wheels b Attach the tire chains to the wheels c Place the wheel spacer plates on the lug bolts The wheel spacer plates provide clearance for the chains between the tires and the tractor body d Place the wheels back on the tractor e Reinstall and tighten the lug bolts WARNING This shaft turns at high RPM...

Page 35: ...yway with the key in the input shaft keyway 4 Secure the PTO shaft to the input shaft with a 1 4 x 2 1 2 in bolt and nylon locknut Tighten the locknut and the set screw over the key Attach Tractor PTO to Debris Blower Input Shaft 5 Reinstall the belt guard by reversing the remov al procedure 6 Insert the male quick hitch section of the imple ment hitch into the female hitch of the debris blower an...

Page 36: ...S of Debris Blower Front Gauge Wheel in Maintenance Instructions CHECK OPTIONAL TIRE CHAINS Tire chains should always be used when operating the machine in icy conditions If the tractor is equipped with the optional tire chains make sure the chains are in good condition and are installed properly CHECK TRACTOR TAILWEIGHT Make sure 80 lb 36 kg weight has been installed on rear of tractor Implement ...

Page 37: ...e sure the chute and deflector are not clogged with snow and or ice Turn the chute rotation handle and rotate the chute The chute should rotate freely Use the deflector position control knobs and raise and lower the deflector The deflector should move freely CHECK GEARBOX Refer to LUBRICATION for Two Stage Snowblow er Gearbox in Maintenance Instructions CHECK REDUCTION CHAIN Refer to LUBRICATION f...

Page 38: ...ion handle Turning the handle clockwise rotates the chute clockwise Turning the handle counterclockwise rotates the chute counterclockwise Chute Rotation Handle Deflector Position Control Knobs Set the angle of the deflector according to the dis tance the snow must be thrown To adjust the de flector angle loosen the two knobs on the sides of the deflector slide the deflector to the required an gle...

Page 39: ...T engage the PTO clutch with the PTO shaft disconnected the snowblower removed from the tractor PTO Clutch Engaged PTO Clutch Disengaged 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 en gine cooling system DANGER A safety interlock switch seat switch will cause the engine ...

Page 40: ...ribed below clears all the snow in one pass of the pattern and prevents throwing snow in unwanted places 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 Use the following pattern where snow can be thrown only to one side Start on the ...

Page 41: ...ise rotates the chute clockwise Turning the handle counterclockwise rotates the chute counterclockwise Chute Rotation Handle Deflector Position Control Knob Set the angle of the deflector according to the dis tance the debris must be thrown To adjust the de flector angle loosen the knob on the RH side of the deflector slide the deflector to the required angle and securely retighten the knob Deflec...

Page 42: ...HE MACHINE 1 Slow the engine to idle put the throttle in the IDLE position 2 Pull the steering levers to the NEUTRAL posi tion and then move the FSC lever backward to the NEUTRAL PARK position 3 Disengage the PTO clutch IMPORTANT DO NOT disengage the PTO clutch with high engine speed above 1 2 throt tle since the brake action on the PTO drive will cause premature wear of the brake band 4 Turn the ...

Page 43: ...stment X 33 Check Rotary Broom Ground Contact Knob X 33 Check Rotary Broom Gearbox Oil Seals X 44 Lubricate Rotary Broom Drive Chain X 44 Two Stage Snowblower Check Snowblower Auger Condition X 33 Check Snowblower Chute Rotation Handle X 33 Check Snowblower Deflector Position Control Knobs X 33 Check Snowblower Scraper Blade Condition X 33 Check Snowblower Gearbox Oil Seals X 45 Lubricate Snowblow...

Page 44: ...t the plug If no lubricant flows out add SAE E P Extreme Pressure 90W oil 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 screws 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 Rotary Broom Drive Chain Lubricate the d...

Page 45: ...lug 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...

Page 46: ...t Hitch 1 PTO Shield Hinge Oil 1 2 Hitch Locking Lever Pivot Oil 1 3 Mounting Tube Sockets Grease 2 4 Hitch Lift Crank Grease 1 5 Hitch Pivot Shaft Oil 1 6 Quick Hitch Latch Oil 1 NOTE Tractor Lubrication Points are not shown here For Tractor Lubrication Points refer to the ap propriate Tractor OWNER S MANUAL or IL LUSTRATED PARTS MANUAL ...

Page 47: ...Maintenance Instructions LUBRICATION 47 Implement Hitch Lubrication Points ...

Page 48: ... Edge Oil 1 2 Skid Shoe Brackets Grease 2 Grease Slide Area 3 Hitch Box Pin Oil 1 4 Trip Spring Lockout Bracket Pivot Pin Oil 1 5 Angle Adjustment Pin Oil 1 6 Female Quick Hitch Pivot Pin Oil 1 NOTE Tractor Lubrication Points are not shown here For Tractor Lubrication Points refer to the ap propriate Tractor OWNER S MANUAL or IL LUSTRATED PARTS MANUAL ...

Page 49: ...Maintenance Instructions LUBRICATION 49 Dozer Blade Lubrication Points ...

Page 50: ...l 1 8 Angle Adjustment Plate Oil 1 9 Universal Joint Shaft Assembly Grease 1 Grease Slide Area 10 Ground Contact Knob Eyebolt Grease 1 11 Drive Chain Oil 1 Gearboxes are permanently lubricated and sealed requiring no scheduled lubrication Oil level should be checked only when an oil leak is noted Refer to Rotary Broom Gear box in this section Grease every eight 8 hours NOTE Tractor Lubrication Poi...

Page 51: ...Maintenance Instructions LUBRICATION 51 Rotary Broom Lubrication Points ...

Page 52: ...ersal Joint Shaft Assembly Grease 1 Grease Slide Area 11 Rotation Handle Pivot Oil 1 12 Plastic Anti Friction Insert Grease 1 13 Chute Knobs Grease 2 14 Deflector Slide Area Grease 1 Gearboxes are permanently lubricated and sealed requiring no scheduled lubrication Oil level should be checked only when an oil leak is noted Refer to Two Stage Snow blower Gearbox in this section Grease every eight 8...

Page 53: ...Maintenance Instructions LUBRICATION 53 Two Stage Snowblower Lubrication Points ...

Page 54: ...Grease 1 2 Plastic Anti Friction Insert Grease 1 3 Air Blast Nozzle Oil 1 4 Sprockets Oil 2 5 Rotation Handle Grease 2 6 Universal Joint Shaft Assembly Grease 1 Grease Slide Area Grease every eight 8 hours NOTE Tractor Lubrication Points are not shown here For Tractor Lubrication Points refer to the ap propriate Tractor OWNER S MANUAL or IL LUSTRATED PARTS MANUAL ...

Page 55: ...Maintenance Instructions LUBRICATION 55 Debris Blower Lubrication Points ...

Page 56: ...ersing the removal procedure Dozer Blade Cutting Edge Replacement Rotary Broom Brush 1 Stop the tractor engine set the parking brake and remove the ignition key 2 Lift the broom head from the front approximate ly 7 to 8 inches 18 to 20 cm from the ground 3 Place two 2 wooden blocks one on each side under the rear of the broom housing and gently lower the broom head Support Rear of Broom Housing 4 ...

Page 57: ...n key 2 Loosen the set screw fastening the driveline fe male half and slide the driveline off the gearbox shaft 3 Remove the four 4 bolts lock washers and hex nuts that fasten the gearbox to the broom housing 4 Loosen two 2 set screws on the chain drive shaft and slide it from the gearbox drive shaft 5 Replace the gearbox by reversing the removal procedures Replace Rotary Broom Gearbox Rotary Broo...

Page 58: ...r to ADJUSTMENTS of Rotary Broom Drive Chain Tension in this section 7 Reinstall the chain guard by reversing the re moval procedures Rotary Broom Drive Sprocket A sprocket should be replaced when the teeth be come asymmetric when the front side of a tooth is a different shape than the back side of the tooth Sprocket Wear NOTE Generally a small sprocket wears faster than a large sprocket 1 Remove ...

Page 59: ...n Installed 12 Reinstall the chain guard by reversing the re moval procedures Two Stage Snowblower Cutting Edge NOTE The cutting edge of the snowblower is re versible and needs to be replaced only when both the top and bottom edges have worn Replace the snowblower cutting edge as follows 1 Remove the six 6 5 16 NC hex nuts and 5 16 in lock washers from the rear of the snow blower housing behind th...

Page 60: ... gearbox shaft assembly 7 Replace the gearbox by reversing the removal procedures Two Stage Snowblower Reduction Chain The reduction chain should be replaced if when ad justed properly it can be pulled away from the front of the reduction sprocket more than 1 2 the height of a tooth on the sprocket Running the snow blower with a worn chain increases wear on the sprockets 1 Remove the 1 4 x 7 1 2 i...

Page 61: ... the fan assembly by applying heat to the thread sealant used on these screws during as sembly 3 Slide the sprocket off the fan assembly Use a puller if necessary 4 Position the new sprocket on the fan assembly Apply Loctite Threadlocker to set screws be fore tightening Remove and Replace Sprocket 5 Install chain and adjust the chain tension Refer to ADJUSTMENTS of Two Stage Snowblow er Reduction ...

Page 62: ... 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 S...

Page 63: ... each side of the brush to keep the brush in place 4 Tighten the three bolts on the upper coupler re move the wood blocks and lower the broom to the ground to make sure the brush is level Side to Side Level Adjustment Rotary Broom Gauge Wheels This adjustment is required for lawn thatching or leaf raking operations Height is adjusted to the nearest 1 4 in 6 mm by placing spacer sleeves on the up p...

Page 64: ...o 5 8 in 13 to 16 mm clearance depending on the size of the gravel Refer to Skid Shoe Height Ad justment illustration Skid Shoe Height Adjustment Two Stage Snowblower Reduction Chain Tension Adjust the tension on the reduction chain as follows 1 Loosen the four 4 bolts securing the lower sprocket support box to the reduction box hous ing 2 Position the lower sprocket support box accord ing to the ...

Page 65: ...er gauge wheel height has been reached Gauge Wheel Height Adjustment Debris Blower Drive Belt Tension The drive belt deflection must be 1 8 in 3 mm when 6 1 2 to 9 lbf 29 to 40 N is applied midway between the two pulleys Proper Drive Belt Deflection 1 Remove the belt guard from the debris blower housing by removing the two 2 cover pins and hairpins securing it to the housing 2 Loosen the two 2 nut...

Page 66: ...screw 3 Position the lower stop ring close to the lower support and tighten the set screw The rotation handle should rotate freely without excessive end play Debris Blower Rotation Handle With the rotation pinions properly adjusted the two 2 stop rings should be positioned close enough to the lower support to allow the rotation handle to ro tate freely without excessive end play Debris Blower Rota...

Page 67: ...Maintenance Instructions TORQUE SPECIFICATIONS 67 TORQUE SPECIFICATIONS ...

Page 68: ...n order to allow the broom to follow varying ground contours 4 Carefully lower the broom so that it rests on the parking stands 5 Disconnect the broom driveline from the tractor PTO shaft and place the driveline on its support located on the female hitch 6 Remove the linchpin from the quick hitch latch Place the hitch locking lever in the UNLOCKED position 7 Start the tractor engine and carefully ...

Page 69: ...ut shaft 4 Remove the linchpin from the quick hitch latch and place the hitch locking lever in the UN LOCKED position 5 Start the tractor engine and carefully back the tractor away from the debris blower WARNING DO NOT attempt to remove the snow blower with the tractor engine running Disengage the PTO clutch stop the en gine and remove the ignition key Wait for all movement to stop before getting ...

Page 70: ...g every year will prolong the life of the hitch components and moving parts 3 When the implement hitch is dry lubricate all moving parts Apply lubricant liberally to all ex posed surfaces to protect against rust 4 List the replacement parts that will be needed before the next season 5 Store the hitch in a dry place Dozer Blade 1 Clean the dozer blade thoroughly 2 Repaint all parts from which paint...

Page 71: ...th a tarp 6 List the replacement parts that will be needed before the next season 7 Store the broom in a dry place Two Stage Snowblower 1 Clean the snowblower thoroughly 2 Repaint all parts from which paint has worn NOTE Rustproofing or painting every year will prolong the life of the snowblower compo nents and moving parts 3 When the snowblower is dry lubricate all mov ing parts Apply lubricant l...

Page 72: ...tch 1 15 O L 3 8 NC Nylon Locknut 1 16 I002 Quick Hitch Latch 1 17 O L 3 8 NC x 1 1 2 Hex Bolt 1 18 O L 3 32 x 3 4 Cotter Pin 1 19 I009 Attaching Lever 1 20 7860 Handle Grip 1 21 I005 1 4 x 1 11 16 Pin 1 22 NS Spring Plate RAD 657383 1 23 I008 Spring 1 4 x 1 1 24 7822 Decal PTO Shield 1 Fasteners F002 10 24 Keps Nut 1 F005 1 4 20 ESNA Nut 2 F027 10 24 x 5 8 PPHMS 1 F036 1 4 20 x 1 2 SBH Screw 2 F0...

Page 73: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 73 IMPLEMENT HITCH ASSEMBLY ...

Page 74: ... 6 6622 Wiring Harness Actuator 1 6631 Implement Hitch Electrical Package Fasteners F002 10 24 Keps Nut 5 F025 10 24 x 3 8 PPHMS 3 F026 10 24 x 1 2 PPHMS 2 Service Part Only NOTE Decals are illustrated in greater detail in the Owner s sec tion of this manual Refer to SAFETY CONTROL AND INSTRUCTION DECALS in Safety Instructions Page 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657...

Page 75: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 75 IMPLEMENT HITCH ELECTRICAL COMPONENTS ...

Page 76: ...ex Nut 7 13 O L 5 16 Lock Washer 1 14 I056 Skid Shoe Pin 2 15 I055 Skid Shoe 2 16 I057 3mm x 65mm Hairpin 3 17 O L 5 16 NC x 1 Carriage Bolt 6 18 I051 Cutting Edge 1 19 I068 Trip Spring Lockout Pin 1 20 I067 Trip Spring Lockout 1 21 I341 5 16 18 x 5 Eyebolt 1 Includes Item 11 Fasteners F317 3 16 x 1 Split Spring Pin 1 NOTE Decals are illustrated in greater detail in the Owner s sec tion of this ma...

Page 77: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 77 DOZER BLADE ASSEMBLY ...

Page 78: ...eel Bushing 4 41 I310 Bearing 4 42 I311 Plastic Wheel 4 2 43 O L 1 4 x 1 1 4 Cotter Pin 2 44 I335 Wheel Bracket RH 1 I336 Wheel Bracket LH 1 45 O L 1 2 NC x 3 1 2 Hex Bolt 2 46 O L 5 16 NC x 1 4 Set Screw 2 47 O L 4mm x 80mm Hairpin 2 48 O L 5 32 x 1 1 4 Cotter Pin 2 49 O L 5 16 NC x 1 2 Hex Bolt Flange 4 50 O L 1 2 NC Nylon Hex Nut 2 51 O L 1 2 NC x 1 3 4 Hex Bolt 2 52 O L 5 16 NC Hex Nut 1 Kit I...

Page 79: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 79 ROTARY BROOM ASSEMBLY ...

Page 80: ... 3 Includes Item F309 31 O L 5 16 Lock Washer 9 32 O L 5 16 NC Hex Nut 9 33 I381 Chain 40 x 71 Links 1 34 NS Connecting Link 40 RAD 656153 1 35 I382 Chain Guard 1 36 O L 5 16 NC x 3 4 Carriage Bolt 9 37 I380 Drive Sprocket 40B36 1 38 O L 5 16 NC x 3 4 Set Screw 1 39 I162 1 4 x 1 4 x 1 Key 1 40 O L 5 16 NC x 5 8 Set Screw 1 41 I387 Chain Idler 1 42 I388 Spacer 1 43 O L 7 16 ID Flat Washer 1 44 O L ...

Page 81: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 81 ROTARY BROOM DRIVE COMPONENTS ...

Page 82: ...Bolt 2 30 O L 1 2 Lock Washer 2 31 O L 1 2 NC Hex Nut 2 32 O L 7 16 ID Flat Washer 2 33 O L 3 8 Lock Washer 2 34 O L 3 8 NC Hex Nut 2 Reduction Box Assembly 35 I196 PTO Guard 1 36 I163 40 x 38 Chain 1 37 NS Reduction Box RAD 657355 1 38 I153 Drive Shaft with Sprocket H40C11 1 39 I120 Bearing Flange 4 40 5609 Spindle Bearing Collar 2 Includes Item F309 41 I305 1 4 x 1 4 x 1 1 4 Key 1 42 O L 5 16 NC...

Page 83: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 83 SNOWBLOWER HOUSING COMPONENTS ...

Page 84: ... 3 Bearing Retainer 1 27 6671 2 Nylon Bearing 1 28 6671 1 Outer Shield 1 29 I395 Decal Rotating Driveline 1 30 5609 Spindle Bearing Collar 2 Includes Item F309 31 O L 5 16 NC Hex Nut 12 32 O L 5 16 Lock Washer 12 33 I120 Bearing Flange 2 34 O L 5 16 NC x 3 4 Carriage Bolt 3 35 NS Decal Use Shear Bolts RAD 657346 1 36 I103 Bushing 2 37 O L 5 16 NC x 2 GR 8 Hex Bolt 1 38 I109 Auger LH 1 39 I111 5 16...

Page 85: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 85 SNOWBLOWER DRIVE COMPONENTS ...

Page 86: ... 2 34 NS Cover Pin 1 4 x 1 2 RAD 662926 2 35 O L Hairpin 5 64 x 1 5 8 2mm x 41mm 2 36 NS Belt Cover RAD 662735 1 37 I439 Shaft 1 x 7 3 8 1 38 O L 7 16 NC Hex Nut 4 39 O L 7 16 Lock Washer 4 40 I452 Bearing 1 41 NS Upper Bearing Support RAD 662713 1 42 O L 5 16 NC x 1 Carriage Bolt 2 43 O L 7 16 NC x 1 1 4 Hex Bolt 4 44 NS V Belt AM33 RAD 663458 1 45 I162 Key 1 4 x 1 4 x 1 2 46 I461 Pulley MA38 1 4...

Page 87: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 87 DEBRIS BLOWER COMPONENTS ...

Page 88: ...Plastic Bushing 2 9 O L 1 4 NC Nylon Locknut 1 10 NS Rotation Worm RAD 663503 1 11 O L 1 4 NC x 1 1 4 Hex Bolt 1 12 NS Adjustment Bushing RAD 663332 2 13 I412 Handle Rotation Guide 1 14 O L 5 16 NC Flange Nut 2 15 I406 Handle Fixation Bracket 1 NOTE Decals are illustrated in greater detail in the Owner s sec tion of this manual Refer to SAFETY CONTROL AND INSTRUCTION DECALS in Safety Instructions ...

Page 89: ...Effective Date 06 01 01 Use only genuine Walker replacement parts 89 DEBRIS BLOWER MANUAL ROTATION COMPONENTS ...

Page 90: ...s force LH Left Hand orientated with operator on seat m meters mm Dimension millimeters mph miles per hour N Newtons NC Fastner National Coarse NF Fastner National Fine NPT National Pipe Thread NS as part number Item is not sold by Walker Manufacturing N m Newton meters O L Obtain Locally Item is not sold by Walker Manufacturing P N Part Number PPHMS Fastener Phillips Pan Head Machine Screw PSI Po...

Page 91: ... in the Owner s Manual for operation and maintenance B The customer shall pay any charges for making service calls and or for transporting the mower to and from the place where the inspection and or warranty work is performed 3 HOW TO OBTAIN SERVICE UNDER THIS WARRANTY Warranty service can be arranged by contacting the dealer where you purchased the mower or by contacting Walker Man ufacturing Com...

Page 92: ...WALKER MFG CO 5925 E HARMONY ROAD FORT COLLINS CO 80528 970 221 5614 FORM NO 060101 PRINTED IN USA 2001 WALKER MFG CO www walkermowers com ...

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