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Walker DB6660 Lawn Mower User Manual

1. ALL GM HO 09 PLACE s CHHECT SAD CAME EFC a ALAAYE ME A DUST WHEN Wyler DUSTY GORGHE KEEP PLATO MATERIALS PROM HEAT Eun OPEN Oe ees DH TEE ATTACHMENT und Safety Procedures RAD P N 660988 CONTACT CAN CAUSE DERI KEEP PEOPLE AHO CLOTHING AWAN DO NOT OPERATE WITHOUT ALL DFRIVELINE TRACTOR ANO EGUIFMENT BHIELOS IN PLACE DRIVELINE SECURELY ATTACHED BOTH EMOS DRIVELINE SHIELDS TURNING FREELY ON DRIVELINE Rotating Driveline Walker P N 1395 RAD P N 657763 IMPORTANT a TO LOAD DAMAGE TO THE ALMAS SEP WITH PI POSTEA LOCKED GALE Fon ATTACHf OF DETACH on B LOCKED i UOC RDS Important Avoid Damage RAD P N 660328 AVOID INJURY FROM ROTATING AUGER KEEP HANDS FEET AND CLOTHING AWAY Rotating Auger Walker P N 1394 RAD P N 657762 17 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 15 listed below and in the Parts Manual the Decal Location
2. 98 Reduction y 4 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 45 46 Maintenance Instructions Ident Lubrication No No Location Type Places Implement Hitch 1 Shield Hinge Oil 1 2 Hitch Locking Lever Pivot Oil 1 3 Mounting Tube Sockets Grease 2 4 Hitch Lift Crank Grease 1 LUBRICATION Ident Lubrication No No Location Type Places 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 Maintenance Instructions Implement Hitch Lubrication Points LUBRICATION 47 48 Maintenance Instructions Ident Lubrication No No Location Type Places Dozer Blade 1 Cutting Edge Oil 1 2
3. 74 IMPLEMENT HITCH ELECTRICAL COMPONENTS ITEM PART DESCRIPTION NO NO REQ D Implement Hitch Electrical Components 1 6623 1 Switch Boot Fits P N 6623 1 2 6628 Switch Mount Bracket 1 3 6623 Lift Control S witch 1 4 2 Decal Implement Hitch 1 5 2 Cable Clamp 1 2 3 6 6622 Wiring Harness Actuator 1 6631 Implement Hitch Electrical Package Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO NO REQ D 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 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 IMPLEMENT HITCH ELECTRICAL COMPONENTS Effective Date 06 01 01 F025 Refer to d Implement Hitch Assembly Use only genuine Walker replacement parts 19 76 DOZER BLADE ASSEMBLY ITEM PART DESCRIPTION NO NO REQ D Dozer Blade Assembly 1 1 Spring 1 7 8 x 9 1 2 1064 Pivot Pin 1 3 1060 1 4 x 1 Roll Pin 2 4 1065 Adjustment Pin 1 5 1063 Female Quick Hitch 1 6 NS Decal T
4. 3 year warranty is offered on the Walker P N 6200 7 Gear Axle Assembly WHAT THIS WARRANTY DOES NOT COVER A This warranty does not cover defects caused by depreciation or damage caused by normal wear accidents improper maintenance improper use or abuse of the product alterations or failure to follow the instructions contained in the Owner s Manual for operation and maintenance 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 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 Company 5925 East Harmony Road Ft Collins CO 80528 Proof of the date of purchase may be required to verify warranty coverage WARRANTY LIMITATION A THERE IS NO OTHER EXPRESS WARRANTY ANY WARRANTY THAT MAY BE IMPLIED FROM THIS PURCHASE INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY LIMITED TO THE DURATION OF THIS WARRANTY AND TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIED WARRANTIES ARE EXCLUDED Some states do not allow limitations on how long an implied warranty lasts so the above limitations may not apply to you B WALKER WILL NOT BE LIABLE FOR ANY INCIDENTAL CONSEQUENTIAL OR SPECIAL DAMAGES AND OR EXPENSES IN CONNECTION WITH THE PURCHASE OR USE OF THE MOWER Some states do n
5. Bristles should barely touch the ground for lawn thatching and barely touch the grass in leaf rak ing operations 2 Slower brush speed and ground speed are more adequate for lawn thatching This will pre vent bouncing which could damage the lawn due to excessive ground contact 3 Minimize dust by sweeping when moisture is high but not wet whenever possible TWO STAGE SNOWBLOWER CONTROLS Chute Rotation Handle The chute rotation handle is located on the rear of the snowblower head on the lower RH side of the discharge chute The chute rotates in a 228 degree arc by cranking the rotation handle Turning the handle clockwise rotates the chute clockwise Turning the handle counterclockwise rotates the chute counterclockwise 1 Rotate Chute Clockwise Rotate Chute Counterclockwise LE Chute Rotation I Handle 1 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 and securely retighten the two knobs Deflector Position Control Knobs Deflector Position Control Knobs TWO STAGE SNOWBLOWER OPERATION Before operating the snowblower read and understand all Safety Instructions and Operating Instructions Raising and Lowering the Snowblower Refer to Implement Lift S
6. Component Identification Chute Rotation Handle Belt Guard Deflector Position Control Knob o Parking Stand Pins E Driveline Guard PTO Drive Shaft Rotation Pinions Parking Stand Female Quick Hitch Debris Blower Rear View and Right Side View Not Installed 14 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 4h read understand and follow the instructions Fail ure to comply with safety instructions may result in personal injury The seriousness or degree of importance of each type of information is defined as follows An IMMEDIATE hazard that WILL result in severe personal injury or DEATH if warn ing is ignored and proper safety precau tions are not taken A POTENTIAL hazard that COULD result in severe personal injury or DEATH if warn ing is ignored and proper safety precau tions are not taken Possible hazards or unsafe practices that MAY result in MODERATE personal injury or property damage or machine damage if warning is ignored and proper safety pre cautions are not taken IMPORTANT Identifies mechanical information de manding special attention since it deals with the pos sibility of damaging a part or parts of the machine NOTE Identifies information worthy of special at tention Walker Manufacturing cannot predict e
7. Safety Instructions BEFORE OPERATING OPERATING MAINTENANCE SAFETY CONTROL AND INSTRUCTION DECALS Assembly Instructions SETUP INSTRUCTIONS IMPLEMENT HITCH Implement Hitch Installation Implement Hitch Wiring DOZER BLADE Dozer Blade Assembly Dozer Blade Installation ROTARY BROOM Rotary Broom Installation Optional Gauge Wheel Installation mb 2 bh ek A ON N A N 19 19 19 19 20 23 23 24 24 24 26 TWO STAGE SNOWBLOWER Snowblower Assembly Snowblower Installation DEBRIS BLOWER Debris Blower Installation PREOPERATING CHECKLIST Implement Hitch Dozer Blade Rotary Broom Two Stage Snowblower Debris Blower Operating Instructions TRACTOR CONTROLS STARTING THE MACHINE IMPLEMENT HITCH CONTROLS Implement Lift Switch Hitch Locking Lever DOZER BLADE CONTROLS Angle Adjustment Pin Trip Spring DOZER BLADE OPERATION Raising and Lowering the Blade Normal Operation Rigid Blade Operation Speed Recommendations ROTARY BROOM CONTROLS Ground Contact Knob Angle Adjustment Lever ROTARY BROOM OPERATION Raising and Lowering the Broom Engaging the Rotary Broom General Sweeping Snow Removal Lawn Thatching and Leaf Raking TWO STAGE SNOWBLOWER CONTROLS Chute Rotation Handle Deflector Position Control Knobs TWO STAGE SNOWBLOWER OPERATION _ Raising and Lowering the Snowblower Engaging the Snowblower Recommend
8. Skid Shoe Brackets Grease 2 Grease Slide Area 3 Hitch Box Pin Oil 1 4 Trip Spring Lockout Bracket Pivot Pin Oil 1 LUBRICATION Ident Lubrication No No Location Type Places 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 Maintenance Instructions Y LUBRICATION E jam 4 i N NE ZU 6 S A T oN AD CB nee ocean if _ 4 m 2 s 5 1 Ne 2 0 gt 6 Dozer Blade Lubrication Points 49 50 Maintenance Instructions LUBRICATION Ident Lubrication No Ident Lubrication No No Location Type Places No Location Type Places Rotary Broom Gearboxes are permanenily lubricated and 1 Chain Drive Sprocket Oil 1 sealed requiring no scheduled lubrication 2 Chain Drive Shaft Grease 1 Oil level should be checked only when an oil 3 Gearbox Oil 1 leak is noted Refer to Rotary Broom Gear 4 Wheel Brackets Grease 2 box in this section 5 Angle Adjustment Lever Pivot 1 Qrease every eight 8 hours 6 Driveline Grease 1 7 Driveline Support Pivot Oil 1 NOTE Tractor Lubrication Points are not shown here 8 Angle Adjustment Plate Oil 1 For Tractor Lubrication Points refer to the ap 9 Universal Joint Shaft Assembly Grease 1 propriate Tractor OWN
9. Sprocket 61 SNOWBLOWER HOUSING COMPONENTS _ 82 Debris Blower Drive Belt 61 SNOWBLOWER DRIVE COMPONENTS 84 Debris Blower Rotation Pinions 62 DEBRIS BLOWER COMPONENTS 86 ADJUSTMENTS 62 DEBRIS BLOWER MANUAL Dozer Blade Skid Shoes 62 ROTATION COMPONENTS 88 Rotary Broom Brush Leveling 63 KEY TO ABBREVIATIONS Rotary Broom Gauge Wheels 63 USED IN ILLUSTRATED PARTS LIST 90 Rotary Broom Drive Chain Tension 64 Two Stage Snowblower Skid Shoes 64 Warranty 91 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 General Information HIGHLIGHTED INFORMATION Walker Manufacturing recommends that any ser vice 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 oper ation or maintenance of a Walker product are caused by disregarding basic safety precautions or specific warnings Such accidents in most cases can be prevented by being aware of the dangers present Information of special importance has been high lighted in bold type in this manual Refer to Safety Instructions for the meanings of DANGER WARN ING CAUTION IMPORTANT and NOTE GLOSSARY There are many terms that are either unique to this equipment or that are used as acronyms The fo
10. 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 the rotary broom snowblower or debris blower F PTO Shield f in CLOSED Position PTO Shield in CLOSED Position 5 Loosen the 3 4 10 jam nut on the end of the im plement Hitch Adjust the 3 4 10 x 2 in hex bolt until it contacts the cross member of the tractor frame Securely tighten the 3 4 10 jam nut to prevent the bolt from moving 3 4 10 x 2 Hex Bolt 3 4 10 Jam Nut Implement Hitch Jam Nut Adjustment IMPORTANT This adjustment will need to be made only once if the same tractor and hitch are used together If the hitch will be used on more than one tractor this adjustment will be required every time the hitch is mounted on a different tractor Assembly Instructions Implement Hitch Wiring 1 Drill five 5 13 64 in 5 mm diameter holes in the tractor two in the FSC lever and three in the body as shown in the illustration 5 16 in 8mm 8 3 4 in o 222 Drill Holes for Implement Hitch Wiring 2 Attach the toggle switch mounting bracket on the FSC lever using two 2 10 24 x 1 2 in bolts and Keps nuts Connect the green ground wire from the actuator wiring harness to one of the bolts of the switch mounting bracket Mounting Bracket Wiring Harness Attach Toggle Switch Mounting Bracket 3 Install the wiring
11. in 117 cm Standard Hitch 22 1 2 in 57 cm Long Hitch 28 1 2 in 72 cm Longest Hitch 35 in 89 cm 87 in 221 cm Typical 102 Ib 46 kg 12 Volt DC Electric Ram Linear Actuator Operated by Toggle Switch Mounted on FSC Lever Patented Quick Hitch System Multi Purpose Blade with Reversible and Replaceable Cutting Edge Spring Forward Trip Action with Lock Out Five Positions 0 Straight Ahead 15 and 30 LH or RH Blade Thickness 11 Gauge Steel Frame Thickness 3 8 in 10 mm Cutting Edge Thickness 1 4 in 6 mm Two Adjustable Replaceable Skid Shoes Adjustable from 1 4 to 3 4 in 6 to 19 mm ROTARY BROOM Height Overall Width Sweeping Path Width Brush Length Length With Female Hitch Overall Length Installed on Tractor Weight With Female Hitch Lift With Broom 18 3 8 in 47 cm Without Broom 11 3 8 in 29 cm 47 3 8 in 120 cm 43 1 4 in 110 cm Approx 45 in 114 cm 105 1 2 in 268 cm 205 lb 93 kg 12 Volt DC Electric Ram Linear Actuator Operated by Toggle Switch Mounted on FSC Lever Specifications MODEL ROTARY BROOM continued Hitch System Type Brush Brush Drive Primary Reduction Secondary Reduction Maximum Brush Speed Broom Angle Adjustment Working Width At Maximum Angle 25 Ground Contact Pressure Body Construction Capacity IMPLEMENTS Patented Quick Hitch System 18 in 46 cm Diameter Polypropylene or Steel Clockwise Rotation PTO
12. is shown in the Parts Manual A WARNING TO AVOID SERIOUS INJURY STAY CLEAR OF FRONT BLADE AAD PINCH POINTS DO MOT ALLOW BYSTARDERS MEAR WORKING AREA DO NOT ALLOA AH YONE TO RIDE GN BLADE IMPORTANT IMPORTANT TO PREVERT BLADE DAMAGE MASE Sunc BLADE amp MH eee TRALEE Re LATE LA AA LOCE Drug WHER PLOMO CAO FELY LH H GA PH Pe i J Sn TRIP TIO i EU Stay Clear Blade ri RAD P N 657524 A DANGER Trip Spring Lockout RAD P N 657503 DO NOT STAND NEAR MACHINE WHEN IN OPERATION DUE TO HIGH VELOCITY DISCHARGE OF DEBRIS OO NOT OPERATE WITHOLT DIBCHARGE CHUTE PLAGE LUBRICATE CHAIN EVERY WITH CHAIN CHAIN LUBRICANT TO AVOID SERIOUS INJURY KEEP HAMDS OUT OF THIS Danger High Velocity RAD P N 661248 DIBCHARGE CHUTE WHILE ENGINE 15 RUNNING ET Lubricate Chain RAD P N 657804 Keep Hands Out Walker P N 1396 RAD P N 657761 ere Fi Dates AAN E ME WoL HE CERTCAIG UNIT MUGT AA i HOLAS Grease All Points RAD P N 6586708 AVOID HH RON KEEP HANDLE OUT OF THE CHUTE WHILE Aur IMPORTANT Before using AVOID INJURY FROM DRIVE BELT ERP BIHA FEET ELIT NARA 0 Oil level must be checked ETEF ERE MOT ATTEMF
13. lock in place by moving the hitch locking lever fully forward to the LOCKED po sition Secure the latch with the linchpin Refer to Hitch Locking Lever in Operating Instruc tions 8 Grease the drive shaft sliding surfaces and slide the male shaft inside the female tube 29 Assembly Instructions Male Quick 4 Hitch Locking Lever Attach Snowblower to Implement Hitch 9 Attach the driveline quick lock coupler to the tractor PTO This shaft turns at high RPM If the collar is not locked to the shaft at the tractor end or if the yoke at the blower end is not secured properly the drive shaft can fly loose with great force capable of causing serious injury or death Driveline Coupler Connect Driveline Coupler to Tractor PTO Tractor PTO 10 Attach the parallel bar to the female hitch and the implement adaptor using the two clevises and spring clips 30 4 a E re Y L i LI Y E Ee E E d s x y E Y 3 E F IY ox E E z em PAR x a TIS am 119 T Attach Parallel Bar to Female Hitch 11 Insert the rotation handle into the rotation worm Align the holes and lock in place with a 1 4 x 1 in socket head cap screw and nylon locknut 12 Install the plastic handle grip on the chute rota tion handle R
14. right side will slide out Slide the left side out 6 Remove the two 2 5 16 18 auger shear bolts and two 2 5 16 nuts Remove augers from 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 in bolt lock washer and nut from the reduction box cover 2 Remove the box cover from the reduction box 98 Reduction 4 Chain Remove Reduction Box Cover 3 Turn the reduction box drive shaft until the mas ter link for the chain is accessible 4 Remove the master link from the chain and re move the chain from the sprocket 5 Place the new chain on the sprockets and install the master link Install the clip on the master link properly The closed end of the clip should point in the direction of chain travel Maintenance Instructions Replace Reduction Chain 6 Adjust the chain tension Refer to ADJUST MENTS of Two Stage Snowblower Reduc tion Chain Tension in this section 7 Reinstall the reduction box cover by reversing the removal procedures Two Stage Snowblower Reduction Sprocket A sprocket should be replaced when the teet
15. the first pass rotate the blower spout 180 degrees for the return pass At the end of each following pass rotate the spout 180 degrees to keep throwing snow in the same direction No snow piled on this side Start Rotate Spout 180 Rotate Spout 180 Rotate Spout 180 Finish Here Snow thrown to this side only Throw Snow to One Side Use the following pattern where snow can be thrown to both sides Start in the middle with the blower spout directed to either the right or left Drive from one end to the other in an outward spiral without changing the position of the blower spout to throw snow to both sides Snow thrown to both sides Finish Here Snow thrown to both sides Throw Snow to Both Sides Clogging Checklist In case of clogging the snow throwing action will de crease and finally stop When this occurs disen gage the PTO clutch stop the engine disconnect the fuel solenoid wire diesel engines or spark plug wire s gasoline engines and remove the ignition key Make sure all movement has stopped be fore attempting to unclog Operating Instructions DO NOT attempt to unclog the snowblow er or make any adjustments with the trac tor engine running Disengage the PTO clutch stop the engine and remove the ignition key NEVER place hands in the blower spout DO NOT use hands or feet to unclog the snowblower Use a short stick or similar tool to remove any clogged material T
16. the required clear ance under the blade On level paved surfaces adjust the skid shoes to allow 3 16 to 1 4 in 5 to 6 mm clearance between the cutting edge and the surface On uneven or gravel surfaces allow 1 2 to 5 8 in 13 to 16 mm clearance depending on the size of the gravel Refer to Skid Shoe Height Ad justment illustration 3 16 to 1 4 in 5 to 6 mm Clearance for Level Paved Surfaces 1 2 to 5 8 in 13 to 16 mm Clearance for Uneven or Gravel Surfaces 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 amount of chain tension required The chain should have about 1 4 to 1 2 in 6 to 13 mm of slack 3 To increase the chain tension position the support box lower To decrease the chain ten sion position the support box higher 4 Retighten the four 4 bolts securing the support box Maintenance Instructions ADJUSTMENTS Decrease Chain Tension Linchpin 1 Support Box Bolts Pivot Bushing Increase n Chain Tension P gt Gauge Wheel Reduction Chain Tension Adjustment Gauge Wheel Height Adjustment GAUGE Debris Blower Drive Belt Tension Adjust the gauge wheel height according to
17. the sprocket off the drive shaft Use a pull er if necessary 4 If necessary clean off the end of the drive shaft with an emery cloth or a wire brush 5 Place the key in the keyway on the drive shaft Maintenance Instructions 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 NJ Drive Shaft Drive oprocket 4 Square Key Set Screw Set Screw Improper Alignment Proper Alignment Align Sprockets Position the sprocket on the drive shaft so it 5 aligned with the chain drive shaft sprocket When the sprockets are aligned properly tight en the set screw in the drive shaft sprocket Install chain and adjust the chain tension Refer to ADJUSTMENTS of Rotary Broom Drive Chain Tension in this section 10 11 REPLACING REPAIRING With the chain installed recheck the sprocket alignment Lubricate the drive chain Refer to LUBRICA TION of Rotary Broom Drive Chain in this sec tion Improper Alignment Proper Alignment 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 edg
18. 0 19 NS 20 1328 21 0 22 OL 23 1343 24 OL 25 OIL 26 2 OIL 28 29 30 31 O L 32 1338 33 1348 34 35 36 1307 37 5830 38 1304 39 1317 40 1312 4 1310 42 43 44 1335 1336 Stand Support Bracket Parking Stand Housing RAD 661579 Clevis 5 16 NC Hex Bolt Plated Chain 3 16 x 15 Tension Spring Clevis 5 16 18 x 5 Eyebolt Handle Grip Adjustment Handle RAD 663640 3mm x 65mm Hairpin Stopper Pin 1 2 x 2 9 16 Pivot Bracket Upper Bushing 7 16 NC x 1 3 4 Hex Bolt 11 32 Nylon Washer 5 16 18 Knob Upper Coupler RAD 661009 Female Hitch 7 16 NC x 1 1 4 Hex Bolt 5 16 NC x 1 Hex Bolt Driveline Support 3 32 x 3 4 Cotter Pin 5 8 Uni Torque Nut 5 16 NC Nylon Locknut 3 8 ID Flat Washer 7 16 Nylon Locknut 1 2 ID Flat Washer 7 16 Lock Washer 7 16 NC Hex Nut Adjustment P late Torsion Spring 1 2 Nylon Locknut 9 16 ID Flat Washer Pivot Bushing Grease Fitting 11 16 Nylon Washer Wheel Cap Wheel Bushing Bearing Plastic Wheel 4 1 4 x 1 1 4 Cotter Pin Wheel Bracket RH Wheel Bracket LH Use only genuine Walker replacement parts L3 BB BB MJ BJ F2 RR NN L2 MO L2 MJ pa pa p p L3 ITEM PART DESCRIPTION NO NO REQ D 45 1 2 NC x 3 1 2 Hex Bolt 2 46 5 16 NC x 1 4 Set Screw 2 47 4mm x 80mm Hairpin 2 48 5 32 x 1 1 4 Cot
19. 1 11 16 Plastic Bushing 2 9 1 4 NC Nylon Locknut 1 10 NS Rotation Worm RAD 663503 1 1 0l 1 4 NC x 1 1 4 Hex Bolt 1 12 5 Adjustment Bushing RAD 663332 2 13 1412 Handle Rotation Guide 1 14 5 16 NC Flange Nut 2 Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO NO REQ D 15 1406 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 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 DEBRIS BLOWER MANUAL ROTATION COMPONENTS Effective Date 06 01 01 Use only genuine Walker replacement parts 89 90 KEY TO ABBREVIATIONS USED IN ILLUSTRATED PARTS MANUAL Abbreviation What it Represents DIMENSION pis it Degrees Angle inches A PER cubic feet per minute E ER centiliters ERRASSE EE centimeters 0 Decibels 0 Direct Current ESA ksi hs e Nylon Insert Locknut fluid ounces 0 Forward Speed Control o IA feet glo HTML CPUS f
20. 2 9 NS Wheel Support Spacer RAD 662737 1 10 O L 5 16 Linchpin 1 1 OL 5 8 NC x 5 1 2 Hex Bolt 1 12 1 4 NC x 1 Hex Bolt 8 13 NS Wheel Support RAD 662642 1 14 5 8 NC Locknut 1 15 NS Wheel Spacer RAD 662822 2 16 1426 Wheel and Tire Assembly 1 17 NS Rotation Spacer RAD 661498 4 18 NS Rotation Bracket RAD 663096 1 19 1 4 Lock Washer 8 20 1 4 NC Hex Nut 8 21 1186 Plastic Bushing 1 11 16 2 22 NS Worm RAD 663503 1 23 NS Retaining Plate RAD 661508 1 24 1183 Nylon Ring 1 25 NS Air Blast Nozzle RAD 662672 1 26 1172 7 16 ID Nylon Flat Washer 2 27 OIL 5 16 NC x 3 4 Carriage Bolt 1 28 1170 Knob 5 16 18 1 29 NS Deflector RAD 662734 1 30 11 32 Nylon Flat Washer RAD 658467 1 31 5 16 NC Nylon Locknut 1 32 OIL 5 16 NC x 1 Carriage Bolt 1 33 NS Parking Stand RAD 662648 2 34 5 CoverPin 1 4 x 1 2 RAD 662926 2 35 OIL Hairpin 5 64 x 1 5 8 2mm x 41mm 2 36 NS Belt Cover RAD 662735 1 37 1439 Shaft 1 x 7 3 8 1 38 7 16 NC Hex Nut 4 39 7 16 Lock Washer 4 Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO REQ D 40 1452 Bearing 1 41 NS Upper Bearing Support RAD 662713 1 42 5 16 NC x 1 Carriage Bolt 2 43 7 16 NC x 1 1 4 Hex Bolt 4 44 NS V Belt AM33 RAD 663458 1 45 1162 Key 1 4 x 1 4 x 1 2 46 1461 Pulley MA38 1 47 5 Key 1 4 x 1 4 2 1 2 RAD 660924 1 48 1459 Shaft 1 x 12 11 16 1 49 120 Flange Bearing 6 50 NS Housing RAD 662643 1
21. 4 41 1113 Bearing Flange 2 42 3 8 ID Flat Washer 2 43 5830 Grease Fitting 2 44 1101 Gearbox Comer 1 Includes Items 1 19 NS Gearbox Usimax RAD 663030 1 NS Seal Kit RAD 665775 1 45 NS Output Shaft RAD 657286 1 46 1130 Woodruff Key 1 47 1110 Auger RH 1 48 5 16 NC x 3 4 Hex Bolt 8 49 NS Gearbox Support Bracket RAD 657332 1 50 1105 1 4 20 x 1 Shear w Locknut 1 51 1104 Fan Adaptor Shear Plate 1 52 1102 Fan Assembly 1 Fasteners F309 1 4 28 x 1 4 Set Screw 3 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 P age 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 SNOWBLOWER DRIVE COMPONENTS Effective Date 06 01 01 Refer to Snowblower Housing Components Use only genuine Walker replacement parts 85 86 DEBRIS BLOWER COMPONENTS ITEM PART DESCRIPTION NO NO NO REQ D Debris Blower Components 1 1402 Impeller Housing 1 2 NS Impeller RAD 662644 1 3 NS 1 14 Castel Nut RAD 654988 1 4 3 16 x 2 Cotter Pin 3 5 NS Intake Cover RAD 662646 1 6 5 16 NC Flange Nut 23 7 5830 Grease Fitting 1 8 NS Cap RAD 662825
22. 5 54 25 30 40 7 474 12 70 92 61 0 70 5 gt 73 2 86 8 70 84 1085 2 110 179 0 160 E TO 88 1 101 6 110 8 105 128 7 1423 150 x 185 149 2 203 4 244 1 220 380 5 200 600 300 900 1280 1820 2380 Size of Coarse thread MN MAX MN MAX 36 58 58 94 72 10 7 2 14 17 22 20 26 Fine Thread Newtons Meter 20 20 34 40 38 46 28 91 97 49 90 8 130 157 2 145 174 8 100 119 2 168 203 3 194 237 1 130 146 3 205 252 249 288 6 93 9 1125 162 6 187 189 7 214 1 136 158 5 239 8 269 6 273 7 313 178 9 203 3 279 1 327 9 333 3 391 6 67 Removal and Storage Instructions RENOVAR Rotary Broom Removing Attachments from Implement 1 Park the tractor on a level surface and lower the Hitch rotary broom Dozer Blade 4h WARNING 1 Park the tractor on a level surface and lower the 68 dozer blade DO NOT attempt to remove the dozer blade with the tractor engine running Dis engage 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 dis connect the fuel solenoid wire diesel en gines or the spark plug wire s gasoline engines Remove the linchpin from the quick hitch latch and place the hitch locking lever in the UN LOCKED position Start the t
23. 51 0 7 16 ID Flat Washer 4 52 3 8 Lock Washer 4 53 OE 3 8 NC x 2 Hex Bolt 2 54 5 Eyebolt Spacer RAD 663043 2 55 NS 5 16 NC x 4 Eyebolt RAD 663273 2 56 5 16 NC Nylon Locknut 2 57 NS Snap Button RAD 663601 2 58 NS Lower Brg Support Ext RAD 663296 1 59 5609 1 Brg w Locking Collar 3 60 NS Pulley MA53 RAD 663457 1 61 5 16 NC x 3 4 Carriage Bolt 9 62 NS Lower Brg Support Int RAD 663382 1 63 3 8 NC x 1 1 4 Carriage Bolt 2 64 OIL 5 16 NC x 1 1 4 Carriage Bolt 2 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 P age 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 A A X 87 Use only genuine Walker replacement parts DEBRIS BLOWER COMPONENTS Effective Date 06 01 01 88 DEBRIS BLOWER MANUAL ROTATION COMPONENTS ITEM PART DESCRIPTION NO NO REQ D Debris Blower Manual Rotation Components 1 7860 Handle Grip 1 2 NS Rotation Handle RAD 663509 1 3 5830 Grease Fitting 2 4 48 32 1 8 Allen Set Screw 2 5 O L 1 4 20 x 3 16 Allen Set Screw 2 6 1415 Drive Sprocket 1 7 1403 Driven Sprocket 1 8 1186
24. 54927 3 M8 Hex Nut 6 4 1178 Spring Pin Casing 2 5 NS Cap RAD 661150 1 6 1182 Bearing Gearbox 2 7 NS Pinion Gear RAD 661160 1 8 1198 Shim Pinion Shaft 1 9 1194 Oil Seal 1 10 1199 Shaft Gearbox 1 11 0 M8 x 40 Hex Bolt 2 12 OL M8 x 65 Hex Bolt 4 13 NS Casing Ello RAD 661145 1 14 5 Oil Plug 1 4 Comer RAD 661972 1 NS Plug 1 8 NPT Usimax RAD 656090 1 15 1195 Bearing 2 16 1181 Shim Gearbox 2 17 5 Gear RAD 661159 1 18 NS Plug 3 8 NPT amp O Ring Comer 1 RAD 659847 NS Plug 1 8 NPT Usimax RAD 656090 1 19 NS Casing RAD 661142 1 Driveline and Auger Components 20 6671 Driveline Male Portion Assembly 1 Includes Items 25 29 21 1394 Decal Rotating Auger 2 22 5800 Decal Walker Mower 4 x 7 1 2 1 23 NS Decal Check Oil Level RAD 655683 1 24 NS Decal Lubricate Chain RAD 657804 1 25 6671 4 Male Shaft and Yoke Assembly 1 26 6671 3 Bearing Retainer 1 2 6671 2 Nylon Bearing 1 28 6671 1 Outer Shield 1 29 395 Decal Rotating Driveline 1 30 5609 Spindle Bearing amp Collar 2 Includes Item F 309 3l 0O L 5 16 NC Hex Nut 12 Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO NO REQ D 32 O L 5 16 Lock Washer 12 33 1120 Bearing Flange 2 34 5 16 NC x 3 4 Carriage Bolt 3 35 NS Decal Use Shear Bolts RAD 657346 1 36 1103 Bushing 2 37 OIL 5 16 NC x 2 GR 8 Hex Bolt 1 38 1109 Auger LH 1 39 5 16 18 x 2 1 4 Shear Bolt Lock amp Nut 2 40 1128 Shear Bolt Bushing
25. BRIS BLOWER Height Width Length Overall Length Installed on Tractor Weight With Female Hitch Lift Hitch System Type Blower Blower Drive Recommended RPM Airflow at 4000 RPM Noise Level at 4000 RPM Approximate Required Horsepower Air Velocity Discharge Angle Adjustment Outlet Area IMPLEMENTS 28 1 2 in 72 cm 26 in 66 cm 34 3 4 in 88 cm 102 1 2 in 260 cm 130 Ib 59 kg 12 Volt DC Electric Ram Linear Actuator Operated by Toggle Switch Mounted on FSC Lever Patented Quick Hitch System 13 1 2 in 84 cm Diameter 8 blade Aluminum Impeller Counterclockwise Rotation PTO Shaft Driving Blower Wheel 3600 RPM 4000 RPM Maximum 2000 cfm Approx 90 Dba 14 HP 10 4 kw Mean 125 mph 201 km h Maximum 160 mph 257 km h Chute Direction Rotation 230 by Crank Adjustable from Operator Seat 25 2 161 cm NOTE The manufacturer reserves the right to make changes in specifications shown herein at any time without notice or obligation Component Identification IMPLEMENT HITCH NOTE Control Identification shown in Operating Instructions section and in Illustrated Parts Manual PTO Shield Male Hitch Assembly Safety Chain Assembly Male Quick Hitch Latch Footrest Footrest Linchpin Mounting Tube Tube Hitch Locking Lever Linear Actuator Linear Actuator Electrical Connector Jam Nut Implement Hitch Top View Not Installed Compo
26. EE Serial Number r P Unified NOTE In some instances combinations of abbreviations may be used e g UNC Unified National Coarse Use only genuine Walker replacement parts Effective Date 06 01 01 LIMITED WARRANTY FOR WALKER COMMERCIAL RIDER MOWER 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 At Walker s request customer will make the defective part available for inspection by Walker and or return the defective part to Walker transportation charges prepaid All parts and components of the Walker Mower are covered by this warranty except the following components which are warranted separately by their respective manufacturers Kohler Engine Kubota Engine Kawasaki Engine Eaton Hydraulic Transmission Peerless Gearboxes Battery Tires The available warranties covering these items are furnished with each mower Walker does not assume any warranty obli gation liability or modification for these items which are covered exclusively by the stated warranty of the respective man ufacturers noted above An extended three
27. ER S MANUAL or IL Grease Slide Area LUSTRATED PARTS MANUAL 10 Ground Contact Knob Eyebolt Grease 11 Drive Chain Oil 1 Maintenance Instructions LUBRICATION 19 PUT TIT Rotary Broom Lubrication Points 91 92 Maintenance Instructions Ident Lubrication No No Location Type Places Two Stage Snowblower 1 Auger Sections Grease 2 2 Gearbox 1 3 Cutting Edge Oil 1 4 Skid Shoes Grease 2 5 Gearbox Shaft Oil 1 6 Rotation Worm Grease 1 7 Reduction Chain Oil 1 8 Sprockets Oil 2 9 Parallel Bar Pivot Pins Oil 2 10 Universal Joint Shaft Assembly Grease 1 Grease Slide Area Rotation Handle Pivot Oil LUBRICATION Ident Lubrication No No Location Type Places 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 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 Maintenance Instructions LUBRICATION Two Stage Snowblower Lubrication Points 93 94 Mai
28. Female Hitch into Blade Attachment Angle Adjustment Angle Adjustment Hole s 3 Hookone end of the spring onto the welded tab on the hitch box Hook the eyebolt onto the free end of the spring 4 Insert the eyebolt up through the hole in the up per bend of the blade and secure it with a flat washer and nut Adjust the length of the eyebolt according to the amount of spring tension re quired for safe operation Refer to Trip Spring 5 Female Quick in Operating Instructions Hitch Rotate Female Quick Hitch For Required Blade Angle Insert Adjustment Pin and Set Blade Angle 7 Install the two 2 skid shoes in the two brackets on the rear outer edges of the blade Assembly Instructions 9 Adjust the skid shoes to allow the required clearance under the blade Install a skid shoe pin in each shoe and lock in place with a 4 mm x 80 mm hairpin Refer to ADJUSTMENTS of Dozer Blade Skid Shoes in Maintenance In structions Skid Shoe Pin Skid Shoe a E racket Install Skid Shoes Install the trip spring lockout bracket in the up per hole behind the blade using the lockout pin and hairpin Trip Spring Lockout Bracket Install Trip Spring Lockout Bracket Dozer Blade Installation 1 24 Insert the male quick hitch section of the imple ment hitch into the female hitch of the blade Lock in place by moving the hitch locking lever fully forward to the LOCKED position Secure the male quick hitch latch
29. Hitch Two Stage Snowblower 1 Park the tractor on a level surface and lower the snowblower 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 off the seat To prevent accidental engine starting dis connect the fuel solenoid wire diesel en gines or the spark plug wire s gasoline engines 2 Remove the hairpin from the parallel bar at the adaptor end and remove the parallel bar from the implement adaptor 3 Disconnect the driveline from the tractor PTO 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 snowblower Hitch Locking Lever Detach Snowblower from Implement Hitch Debris Blower 1 Parkthe tractor on a level surface and lower the debris blower DO NOT attempt to remove the debris 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 off the seat To prevent accidental engine starting dis connect the fuel solenoid wire diesel en gines or the spark plug wire s gasoline engines 2 Setthe parking stands in the most extended po sition and lock in place 3 Disconnect the tractor PTO shaft from
30. 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 Weldment a T gt y j Rotation Worm A 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 Retaining 5 Plate Install Chute over Plastic Insert 28 1 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 Refer to ADJUSTMENTS of Two Stage Snowblower Skid Shoes in Mainte nance Instructions Snowblower Housing Skid Shoe SA pas Og 8 Install Skid Shoes Carriage Bolts Snowblower Installation Thoroughly clean the drive shaft yoke and install a 1 4 x 1 4 x 1 1 4
31. LEMENT HITCH RAISE E Implement Hitch Walker P N 6632 VERY IMPORTANT APH a TT Sour uc PRESSUME MUST ADJUSTED PROFE TO AVCHD PREMATURE WEAR A TEA a Y mp LBS PELET OF BROCA ACTA SHOULD WITH OF LIEGE gt 7 WITH THE SIDES OF HMESTLEE LIRE A Brush Ground Contact RAD P N 661052 LOCK Ez Nes de 113 Attaching Hitch Walker P N 1393 RAD P N 657364 PTO Shield Walker P N 7822 IMPORTANT D ADJUST BOLT HEAD TO CONTACT CROSS MEMBER OF TRACTOR FRAME SECURE WITH LOCKNUT 5518 Hitch Mount Adjust Walker P N 6618 IMPORTANT Lu fuge ee 2 7 ee a hp iad del parps ow Air baer Al e de jee rs da ee Brush Height RAD P N 661521 PARURE TO POLLO FE OPERATA PROG See aur AJA GPEAATION POLLO ALL UPPERS TCR a EYE PAGTECTION WUST SOAR ALL TIMES KEEP FEET AMO CLOTHE Peo DAREN PARTS 95 Leave OPERATOR POR ALL MOVEMENTS BERGA PO at LUBRICATE OF UL CHE BATHE THE AAA Ce DPEMATDON DF AL PERSIHS
32. NTS for Two Stage Snow blower Reduction Chain Tension in Maintenance Instructions Debris Blower CHECK CHUTE AND DEFLECTOR e Make sure the chute and deflector are not clogged with leaves and or debris e Turn the chute rotation handle and rotate the chute The chute should rotate freely Use the deflector position control knob and raise and lower the deflector The deflector should move freely CHECK GAUGE WHEEL TIRE PRESSURE Make sure the tire pressure is 20 PSI 137 kPa INSPECT DRIVE BELT Refer to ADJUSTMENTS of Debris Blower Drive Belt Tension in Maintenance Instructions CHECK BLOWER FAN e Make sure the fan is clear of debris e Make sure the fan is free to rotate e Check that the fan blades are in good condition and not bent 33 38 Operating Instructions Snow Removal Foreign objects in snow may be thrown farther than the snow Use the slowest brush speed that will perform the job Stay aware of the broom discharge direc tion at all times 1 rotary broom works best on snow depths of 4 in 10 or less Larger amounts of snow can be moved if the ground speed is reduced 2 To avoid snow being blown back onto the tractor and operator sweep with the wind blowing in the direction of broom discharge Lawn Thatching and Leaf Raking Optional gauge wheels must be installed to perform these types of operation in or der to avoid excessive brush ground con tact 1
33. ROOM DRIVE COMPONENTS ITEM PART DESCRIPTION NO NO REQ D Gearbox Assembly 1 NS Dipstick Plug RAD 661741 1 2 OL M8 x 45 Bolt 8 3 NS Casing RAD 661740 1 4 NS Oil Seal RAD 661730 3 5 NS Snap Ring RAD 661734 3 6 NS 25 6 x 0 6 Shim RAD 661733 1 7 NS Bearing RAD 661732 2 8 5 25 6 x 0 7 Shim RAD 661731 1 9 NS Pinion 29M3 5 RAD 661735 1 10 NS Gear Z25M35 RAD 661738 1 11 NS Bearing 6205 RAD 661728 2 12 0 1 M8 Hex Nut 8 13 O L 3 8 NC x 5 Hex Bolt 4 14 5 Shaft RAD 661729 1 15 NS Parallel Key A8 x 7 x25 RAD 660063 1 16 NS 25 6 x 0 8 Shim RAD 661737 1 17 5 25 6 1 0 Shim RAD 661736 1 18 NS 3 8 Plug RAD 661739 1 19 NS O Ring RAD 661144 1 20 OL 3 8 Lock Washer 1 21 3 8 Hex Nut 1 Driveline and Sprockets Assembly 22 6651 23 6651 3 24 6651 2 25 5 26 1 2 6651 4 28 1378 29 1120 30 5609 31 32 33 1381 34 NS 35 1382 36 37 1380 Driveline Male Portion Assembly Includes Items 23 27 Bearing Retainer Nylon Bearing Decal Rotating Driveline PTO Outer Shield Male Shaft and Yoke Assembly Chain Drive Shaft Bearing Flange Bearing with Set Screw Includes Item F 309 5 16 Lock Washer 5 16 NC Hex Nut Chain 40 x 71 Links Connecting Link 40 RAD 656153 Chain Guard 5 16 NC x 3 4 Carriage Bolt Drive Sprocket 40B 36 Use only genuine Walker replacement parts E CO C r2 r3 r3 rr Pe XO r3 r3 wo ITEM PART DESCRIP
34. SCRIPTION NO NO REQ D Chute Rotation Assembly 1 NS Chute Base and Knobs with Decals 1 RAD 661168 2 1396 Decal Keep Hands Out 1 3 1172 7 16 Nylon Washer 2 4 5 16 NC x 1 Carriage Bolt 2 5 1175 Hand Guard 1 6 1 4 NC Hex Nut 12 7 O L 1 4 Lock Washer 12 8 5 16 ID Flat Washer 2 9 1 4 NC x 3 4 Hex Bolt 2 10 7860 Handle Grip 1 11 1188 Handle with Grip 1 12 1 4 NC x 1 Allen Socket Head Cap Screw 1 13 O L 1 4 NC Nylon Locknut 2 14 OL 1 4 NC x 1 2 Hex Bolt 6 O L 1 4 NC x 3 4 Hex Bolt 2 15 1187 Support Rotation 1 16 1186 1 11 16 Plastic Bushing 1 17 1185 Rotation Worm 1 18 1183 Nylon Ring 1 19 1180 Retaining P late 4 20 1184 1 5 16 Plastic Bushing 1 21 OL 5 16 NC Nylon Locknut 2 22 0 5 16 18 Knob 2 23 1171 11 32 Nylon Washer 2 24 1397 Decal Safety Procedures 1 Snowblower Mount Assembly 25 6621 2 26 6670 2 2 6670 1 28 29 30 31 32 33 34 Clevis Pin 1 2 2 Parallel Bar Assembly Snowblower Mount Assembly Female 3 8 NC x 1 Hex Bolt 1 2 NC x 1 Hex Bolt 1 2 Lock Washer 1 2 NC Hex Nut 7 16 ID Flat Washer 3 8 Lock Washer 3 8 NC Hex Nut Use only genuine Walker replacement parts 82 N NN N NN Lp ITEM PART DESCRIPTION NO NO NO REQ D Reduction Box Assembly 35 1196 PTO Guard 1 36 1163 40 x 38 Chain 1 37 NS Reduction Box RAD 657355 1 38 3 Drive Shaft with Sprocket 40 11 1 39 1120 Bearing Flange 4 40 5609 Spindl
35. Shaft Driving Center Mounted Gearbox Gearbox 2 78 1 Ratio 40 Chain and Sprockets 3 27 1 Ratio 260 RPM Five Positions 0 Straight Ahead 12 5 and 25 LH or RH 39 3 16 in 100 cm Screw Adjustment with Viscous Damper 14 Gauge Steel Clears up to 4 in 10 cm snow TWO STAGE SNOWBLOWER Height Without Chute Width Clearing Width Length With Female Hitch Overall Length Installed on Tractor Weight With Female Hitch Lift Hitch System Type Blower Snowblower Drive Impeller Drive Auger Drive Discharge Angle Adjustment Body Construction Cutting Height Depth Guide 20 3 4 in 53 cm 42 in 107 cm 42 in 107 cm 22 1 2 in 57 cm 95 in 241 cm 210 lb 95 kg 12 Volt DC Electric Ram Linear Actuator Operated by Toggle Switch Mounted on FSC Lever Patented Quick Hitch System Two Stage with 12 7 8 in 83 cm Diameter Auger and 15 3 4 in 40 cm Diameter 3 Blade Impeller Clockwise Rotation PTO Shaft Driving Blower Wheel Chain 40 Driving Sprocket H40C11 Driven Sprocket H40B32 Worm Gearbox 5 1 Ratio Chute Direction Rotation 228 by Crank Adjustable Spout Deflector Adjustable from Operator Seat Up to 40 ft 12 m Discharge Distance Frame Thickness 14 Gauge Steel Side Thickness 11 Gauge Steel Impeller Housing Thickness 14 Gauge Steel 19 in 48 cm Two Adjustable Replaceable Skid Shoes Adjustable from 1 4 to 3 4 in 6 to 19 mm Specifications MODEL DE
36. T LL JF SENINE RAD P N 661247 extreme pressure oil BELT WITHOUT PERDANA OPERATOR S AMAL Read instructions manual Check Oil Level RAD P N 655683 Drive Belt Injury RAD P N 660265 18 Assembly Instructions SETUP INSTRUCTIONS Walker Implements are shipped partially assem bled After uncrating the implement adaptor and or implement s initial setup is required NOTE During the process of unpacking any dam aged or missing parts should be noted and reported to the delivering carrier immediately put in writing within 15 days The carrier will provide directions for proceeding with a claim to receive compensation for damage IMPLEMENT HITCH Implement Hitch Installation 1 Remove the mower deck from the tractor if nec essary Refer to the appropriate Tractor Own er s Manual 2 Lightly grease each tractor support arm 2 on the tractor Refer to Implement Hitch Installa tion photo for location of tractor support arms 3 Engage the hitch frame tube sockets on the tractor support arms Slide the implement hitch onto the support arms approximately 3 in 76 mm 4 Install the hitch pin through the hole on the end of each support arm to lock the hitch in place Two 2 hitch pins are included in the owner s packet of materials Hitch Fram Tube Sockets Implement Hitch Installation IMPORTANT Ifthe tractor body needs to be raised the PTO shield must be in the closed or down po sition
37. TION NO NO NO REQ D 38 O L 5 16 NC x 3 4 Set Screw 1 39 1162 1 4 x 1 4 x 1 Key 1 40 O L 5 16 NC x 5 8 Set Screw 1 41 1387 Chain Idler 1 42 1388 Spacer 1 43 O L 7 16 ID Flat Washer 1 44 OL 3 8 NC x 2 Hex Bolt 1 45 1397 Decal Safety Procedures 1 46 O L 5 16 NC x 1 4 Set Screw 2 47 1305 1 4 x 1 4 x 1 1 4 Key 1 48 1390 Brush Drive Shaft 1 49 376 Gearbox Updated Broom 1 Includes Items 1 21 50 NS Decal Important Avoid Damage 1 RAD 660328 51 NS Decal Grease All Points RAD 658708 1 52 NS Decal Brush Ground Contact 1 RAD 661052 53 1389 Brush Support Adaptor 1 54 5800 Decal Walker Mower 4 x 7 1 2 1 55 1386 Polypropylene Brush 1 piece 1 NS Brush 50 Steel 50 Nylon S RAD 661727 Fasteners F 309 1 4 28 x 1 4 Set Screw 3 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 P age 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 ROTARY BROOM DRIVE COMPONENTS Effective Date 06 01 01 Refer to Rotary Broom Assembly Use only genuine Walker replacement parts 81 SNOWBLOWER HOUSING COMPONENTS ITEM PART DE
38. UBRICATION for Rotary Broom Drive Chain in Maintenance Instructions Refer to ADJUSTMENTS of Rotary Broom Drive Chain Tension in Maintenance Instructions CHECK GEARBOX Refer to LUBRICATION for Rotary Broom Gear box in Maintenance Instructions CHECK SIDE TO SIDE LEVEL ADJUSTMENT Refer to ADJUSTMENTS of Rotary Broom Brush Leveling in Maintenance Instructions CHECK BRUSH TO GROUND CONTACT PRESSURE ADJUSTMENT Refer to Ground Contact Knob in Operating In structions Two Stage Snowblower CHECK CUTTING EDGE Make sure the cutting edge is not nicked bent or worn Refer to REPLACING REPAIRING of Two Stage Snowblower Cutting Edge in Maintenance Instruc tions CHECK AUGER e Make sure the auger is clear of snow and or ice Make sure the auger is free to rotate Check that the auger flighting and paddle blades are in good condition and not bent CHECK CHUTE AND DEFLECTOR e Make 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 for Two Stage Snowblow er Reduction Chain in Maintenance Instructions Refer to ADJUSTME
39. Walker Rider Lawnmowers OWNER S MANUAL Safety Assembly Operating and Maintenance Instructions and ILLUSTRATED PARTS MANUAL 1716620 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 1375 Instructions Prior to Operating Machine Price 5 00 Foreword Thank you for purchasing a Walker implement 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 cus tomers 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 read this manual thoroughly This manual is to be used in conjunction with the mower owner s manual and the engine manufacturer s manual for the specific engine on the mower model you are using Before you operate your new implement please read this entire manual Some of the information is crucial for proper operation and maintenance of this product it will help protect your investment and ensure that the implement performs to your satisfaction Some of the information is important to your safety and must be read and understood to help prevent possible injury to the operator or others If anything in this manual i
40. ach side of the broom and loosen the bear ing set screws Push the bearings and flanges towards the brush 8 Remove the bearing brush support adapter and flanges on the opposite side of the sprock et Remove the brush by carefully sliding it downward from its position Brush Support ai Bearing gt Flanges 7 8g Remove Brush from Broom Housing 9 Install the new brush by reversing the removal procedure REPLACING REPAIRING Rotary Broom Gearbox Remove and replace the gearbox as follows 1 Stop the tractor engine set the parking brake and remove the ignition 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 Gearbox Replace Rotary Broom Gearbox Rotary Broom Drive Chain The drive chain should be replaced if when adjust ed properly it can be pulled away from the front of the drive sprocket more than 1 2 the height of a tooth on the sprocket Running the rotary broom with a worn chain increases wear on the sprock ets 1 Remove the chain guard Refer to LUBRICA TION of Rotary Broom Drive Chain in this sec tion 57 98 Maintenance Instructions Loosen t
41. achine Refer to the appropriate Tractor Owner s Manual for adjustment procedures 4 Turn the ignition switch OFF Remove the key from the ignition switch when leaving the machine unattended This will prevent children and inexperi enced operators from starting the engine 5 Engage the parking brake IMPORTANT The hydrostatic transmissions lock to prevent the machine from rolling freely with the engine stopped However if the ma chine is parked on a slope it is necessary to ENGAGE the parking BRAKE to prevent the machine from creeping This is due to a small amount of slippage in the hydrostatic transmis sions especially when transmission fluid is warm Maintenance Instructions Maintenance procedures requiring special training or tools should be performed by a trained technician MAINTENANCE SCHEDULE CHART RECOMMENDED SERVICE INTERVALS IMPLEMENTS Reference Service Item Daily Yearly Page X 32 Check Gauge Wheels or Skid Shoes All Models Check Tractor Tailweight I Q nm Lubricate Grease Fittings and Oil Points Repaint Components Parts CO N Check Implement Lift Switch Operation Implement Hitch CO N Check Hitch Locking Lever Function Check Dozer Blade Cutting Edge Condition CO N N Dozer Blade Check Dozer Blade Trip Spring Tension CO N Check Dozer Blade Swivel Adjustment CO Check Rotary Broom Brush Condition CO CO Check Broo
42. acing spacer sleeves on the up wear per or lower sides of the stand support Adjust height according to type of application Refer to Lawn Thatching and Leaf Raking in Operating In structions 1 Extend the parking stands and raise the broom to the transport position so that the bristles do not contact the ground 2 Loosen the three bolts on the upper coupler of i Hairpin the pivot bracket Stand 3 Gently lower the broom head until the brush is Support parallel to ground level on both sides Place a block of wood under 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 Spacer Sleeves Gauge Wheel Height Adjustment 63 Maintenance Instructions Rotary Broom Drive Chain Tension The drive chain should have 1 4 to 1 2 in 6 to 13 mm of slack at midspan Remove the chain guard cover to check slack Adjust the drive chain as follows 1 Loosen the chain idler nut Chain Idler Chain Idler Ear Nut Loosen Chain Idler Nut 2 Position the chain idler so the chain has 1 4 to 1 2 in 6 to 13 mm of slack Retighten the chain idler nut 4 Recheck the drive chain tension 1 4 to 1 2 in 6 to 13 mm Slack at Midspan Chain Idler Proper Drive Chain Tension 64 ADJUSTMENTS Two Stage Snowblower Skid Shoes Adjust the skid shoes to allow
43. ank 1 8 6621 1 Clevis Pin 1 2 x 2 2 9 6624 Mounting Frame Assembly Hitch 1 10 6618 Decal Hitch Mount Adjust 1 11 6626 Pivot Shaft 1 12 5830 3 Grease Fitting 45 Degree 2 13 5830 Grease Fitting 1 14 1393 Decal Attaching Hitch 1 15 0L 3 8 NC Nylon Locknut 1 16 1002 Quick Hitch Latch 1 17 O L 3 8 NC x 1 1 2 Hex Bolt 1 18 3 32 x 3 4 Cotter Pin 1 19 1009 Attaching Lever 1 20 7860 Handle Grip 1 21 5 1 4 x 1 11 16 Pin 1 22 5 Spring Plate RAD 657383 1 Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO NO REQ D 23 1008 Spring 1 4 x 1 1 24 1822 Decal PTO Shield 1 Fasteners NOTE NOTE F002 10 24 Keps Nut F005 1 4 20 ESNA Nut F027 10 24 x 5 8 PPHMS F036 1 4 20 x 1 2 SBH Screw F068 1 8 x 1 Cotter Pin F212 3 4 10 x 2 Hex Bolt F213 3 14 10 Nut CO nO L3 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 P age 17 All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 IMPLEMENT HITCH ASSEMBLY Refer to Implement Hitch Electrical Components 20 Effective Date 06 01 01 Use only genuine Walker replacement parts 73
44. ations For Snowblowing Removing Snow Clogging Checklist DEBRIS BLOWER CONTROLS Chute Rotation Handle Deflector Position Control Knob DEBRIS BLOWER OPERATION Raising and Lowering the Debris Blower _ Engaging the Debris Blower Recommendations for Operating the Debris Blower STOPPING THE MACHINE Table of Contents Maintenance Instructions 43 Removal and Storage Instructions _ 68 MAINTENANCE SCHEDULE CHART 43 REMOVAL 68 LUBRICATION 44 Removing Attachments Rotary Broom Gearbox 44 From Implement Hitch 68 Rotary Broom Drive Chain 44 Dozer Blade 68 Two Stage Snowblower Gearbox 45 Rotary Broom 68 Two Stage Snowblower Two Stage Snowblower 69 Reduction Chain 45 Debris Blower 69 Grease Fitting and Oil Point Lubrication __ 45 Removing Implement Implement Hltch 46 Hitch From Tractor 70 Dozer Blade 48 END OF SEASON STORAGE 70 Rotary Broom 50 Implement Hitch 70 Two Stage Snowblower 52 Dozer Blade 70 Debris Blower 54 Rotary Broom 71 REPLACING REPAIRING 56 Two Stage Snowblower 71 Dozer Blade Cutting Edge 56 Debris Blower 71 Rotary Broom Brush 56 Rotary Broom Gearbox 57 Illustrated Parts Manual Rotary Broom Drive Chain 57 Rotary Broom Drive Shaft Sprocket 58 IMPLEMENT HITCH ASSEMBLY 72 Two Stage Snowblower Cutting Edge 59 IMPLEMENT HITCH Two Stage Snowblower Gearbox 60 ELECTRICAL COMPONENTS 74 Two Stage Snowblower DOZER BLADE ASSEMBLY 76 Reduction Chain 60 ROTARY BROOM ASSEMBLY 78 Two Stage Snowblower ROTARY BROOM DRIVE COMPONENTS __ 80 Reduction
45. ay er of snow then pass through the area a second time to remove the remaining snow e When snowblowing operate the engine at or near full throttle for the best snowblowing action The engine is designed to be operated at full speed Use optional tire chains or optional all terrain tires to improve traction Disengage the PTO clutch to stop the snowblow er when driving the machine but not blowing snow Avoid damage to property and extra snowblowing work by carefully choosing the direction to move the snow Orient the blower away from people and property due to the possibility of thrown objects To momentarily increase traction in case the drive wheels are slipping use the lift switch to raise the snowblower slightly and transfer extra weight on the drive wheels Removing Snow DO NOT blow snow with bystanders in the area especially children or pets A definite operating pattern is required to thoroughly clean snow from an area Each pattern described 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 side farthest from where the snow will be thrown At the end of
46. ce away from the area being cleaned Do not operate with bystanders in the area 5 Do not operate the machine wearing sneakers tennis shoes or similar lightweight footwear Wear substantial protective footwear that will improve footing on slippery surfaces 6 The snow or leaves can sometimes hide objects that might clog the snowblower or debris blower chute or otherwise cause damage Clear the ar ea of doormats sleds boards wires and other debris Safety Instructions Do not wear loose fitting clothing that could get caught in moving parts Always wear ade quate 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 hear ing protection is recommended Wear a suit able hearing protective device such as earmuffs or earplugs Keep all protective shields and safety devic es in place If a protective shield safety device or decal is damaged unusable or missing re pair or replace it before operating the machine Be sure any interlock switches are function ing correctly so the engine cannot be started unless the Forward Speed Control lever is in the NEUTRAL position and the PTO clutch is in the DISENGAGED position Also the engine should stop if the operator lifts off the seat with the PTO clutch in the ENGAGED posit
47. cool before storing in any enclosure Implement Hitch 1 Clean the implement hitch thoroughly 2 Repaint all parts from which paint has worn NOTE Rustproofing or painting 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 has worn Removal and Storage Instructions 4 NOTE Rustproofing or painting every year will prolong the life of the blade components and moving parts When the dozer blade is dry lubricate all mov ing parts with SAE 30 engine oil Apply oil lib erally to all exposed surfaces to protect against rust Store the dozer blade in a dry place Rotary Broom 1 2 7 Clean the rotary broom thoroughly Repaint all parts from which paint has worn NOTE Rustproofing or painting every year will prolong the life of the broom components and moving parts When the rotary broom is dry lubricate all mov ing parts Apply lubricant liberally to all exposed surfaces to protect against rust Store the broom on parking stands so that the bristles do not touch the ground If the broom bristles are exposed to direct sun light protec
48. curely tighten the set screw of each stop ring Rotation Handle Upper Stop Ring Stop Ring j Rn 1 Drive Pinion Debris Blower Rotation Pinions ADJUSTMENTS DO NOT attempt to make any adjustments with the tractor engine running Disen gage the PTO clutch stop the engine and remove the ignition key Wait for all move ment to stop before getting off the seat Dozer Blade Skid Shoes Adjust the skid shoes to allow the required clear ance under the blade On level paved surfaces adjust the skid shoes to allow approximately 1 4 in 6 mm clearance between the cutting edge and the surface On uneven or gravel surfaces allow 1 2 to 3 4 in 13 to 19 mm clearance depending on the size of the gravel Refer to Skid Shoe Height Ad justment illustration Maintenance Instructions ADJUSTMENTS 1 4 in 6 mm Clearance for Level Paved Surfaces 1 2 to 3 4 in 13 to 19 mm Clearance for Uneven or Gravel Surfaces Pivot Bracket Upper Coupler Bolts Skid Shoe Height Adjustment Side to Side Level Adjustment Rotary Broom Brush Leveling Rotary Broom Gauge Wheels IMPORTANT The proper level adjustment of y 9 the broom is essential for efficient operation This adjustment is required for lawn thatching or leaf and life of the bristles The broom should regu raking operations Height is adjusted to the nearest larly be adjusted to prevent uneven brush 1 4 in 6 mm by pl
49. e Bearing amp Collar 2 Includes Item F 309 41 1305 1 4 x 1 4 x 1 1 4 Key 1 42 OIL 5 16 NC Hex Nut 14 43 5 16 Lock Washer 14 44 5 16 NC x 5 8 Carriage Bolt 6 45 OIL 1 4 NC x 2 1 2 Hex Bolt 1 46 3 8 ID Flat Washer 8 47 5 16 NC x 3 4 Carriage Bolt 10 48 1 4 NC x 7 1 2 Hex Bolt 2 49 1162 1 4 x 1 4 x 1 Key 1 50 Set Screw 5 16 NC x 1 2 Allen 2 51 1161 Sprocket H40B 32 1 Snowblower Frame Assembly 52 1125 Skid Shoe 2 33 5 16 NC x 1 Carriage Bolt 4 54 1122 Cutting Edge 1 55 5 16 NC Stover Nut 6 56 5 Frame RAD 661031 1 Fasteners F068 1 8 x 1 Cotter Pin 2 F309 1 4 28 x 1 4 Set Screw 2 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 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec 66 CANADA 1 418 338 4499 Effective Date 06 01 01 SNOWBLOWER HOUSING COMPONENTS 47 Effective Date 06 01 01 Use only genuine Walker replacement parts 83 84 SNOWBLOWER DRIVE COMPONENTS ITEM PART DESCRIPTION NO NO REQ D Gearbox Assembly 1 1193 Double Lip Seal 2 2 NS Breather 3 8 NPT O Ring Comer 1 RAD 661185 NS Pressure Plug 1 8 NPT Usimax 1 RAD 6
50. e PTO clutch stop the engine and remove the ignition key Wait for all movement to stop before getting off the seat NOTE The PTO brake should normally stop drive line rotation within 5 seconds of disengag ing the PTO clutch Do not operate the snowblower with the blower spout assembly removed If snowblower clogs a Disengage the PTO clutch stop the en gine and remove the ignition key before leaving the seat b LOOK to make sure PTO shaft and auger movement has stopped before trying to un clog the snowblower c Disconnect the fuel solenoid wire diesel engines or spark plug wire s gasoline engines d Do not use hands or feet to unclog the snowblower use a stick or similar tool If the implement strikes a solid object or the ma chine begins to vibrate abnormally immediately disengage the PTO clutch stop the engine and wait for all moving parts to stop Dis connect the fuel solenoid wire diesel engines or the spark plug wire s gasoline engines to pre vent accidental starting Thoroughly inspect the implement and repair any damage before re starting the engine and operating the machine Make sure implement components are in good condition and all bolts are tight Do not touch the engine or muffler while the engine is running or immediately after stopping the engine These areas may be hot enough to cause serious burns 19 When leaving the machine unattended disen gage the PTO clutch st
51. e as follows 1 Remove the six 6 5 16 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 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 If both edges are dull or nicked remove the cutting edge and install a new one by reversing the removal procedure 99 Maintenance Instructions Reversible Cutting Edge Snowblower Cutting Edge Replacement Two Stage Snowblower Gearbox Remove and replace the gearbox as follows 1 Stop the tractor engine set the parking brake and remove the ignition key Auger Shear Support Bolt Bracket Collar Bearing Assembly Bearing Flange Bolt Replace Snowblower Gearbox 2 Remove the three 3 5 16 nuts and the three 3 5 16 x 3 4 bolts holding the bearing flanges on each end of the snowblower Loosen the 2 two set screws on each collar bearing 3 Remove the 5 16 nut and the 5 16 x 2 hex pin ion shaft bolt 60 REPLACING REPAIRING 4 Remove the two 2 5 16 NC nylon locknuts and the two 2 5 16 NC x 1 1 4 in hex bolts fasten ing the support bracket and gearbox to the snowblower frame 5 Hold and move the gearbox auger assembly to the left and the
52. ee 3 nuts and three 3 bolts on lower pulley bearing support and the adjust ment nut on the lower end of each 2 eyebolts to release belt tension Loosen the two 2 set screws securing the up per pulley bearing to the shaft Unbolt and re move the upper pulley bearing support Install the new drive belt and reinstall the upper pulley bearing support Secure the bearing on the shaft by tightening the two set screws Adjust the belt tension Refer to ADJUST MENTS of Debris Blower Drive Belt Tension in this section Tighten fasteners securely and reinstall belt guard by reversing the removal procedures Upper Support Bolts Lower Support Bolts Debris Blower Drive Belt Debris Blower Rotation Pinions 1 Remove the drive pinion from the rotation han dle by loosening the set screw and pulling off the pinion Remove the rotation handle lower stop ring and pull up on the rotation handle Loosen set screw in upper stop ring Pull rotation handle up out of work way Unbolt and remove the driven pinion Install the new driven pinion and tighten the nut and bolt securely 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 REPLACING REPAIRING ADJUSTMENTS 5 Adjust the rotation pinions as instructed in AD JUSTMENTS of Debris Blower Rotation Pin ions in this section Se
53. en the blower is not being used Refer to GHS Blower Intake Cover illustration for ROTARY BROOM in this section 31 32 Assembly Instructions 9 For stability of the tractor when transporting with the debris blower in raised position approxi mately 80 36 kg of counterweight should be installed on the tail of the tractor Optional tail weights for the various tractor models are avail able from your Walker dealer or a sandbag or similar weight may be used PREOPERATING CHECKLIST Before operating any of the implements for the first time and as a routine before daily operations it is important to make sure the machine is properly pre pared and ready for operation The following is a list of items to be checked For machines with fre quent operation some ofthese items will not need to be checked every day but the operator should be aware of the condition of each CHECK TRACTOR PREOPERATING CHECKLIST Refer to the appropriate Tractor Owner s Manual CHECK GAUGE WHEEL OR SKID SHOE ADJUSTMENT Refer to ADJUSTMENTS of Dozer Blade Skid Shoes in Maintenance Instructions Refer to ADJUSTMENTS of Rotary Broom Gauge Wheels in Maintenance Instructions Refer to ADJUSTMENTS of Two Stage Snow blower Skid Shoes in Maintenance Instructions Refer to ADJUSTMENTS of Debris Blower Front Gauge Wheel in Maintenance Instructions CHECK OPTIONAL TIRE CHAINS Tire chains should always be used when operatin
54. ent for assistance Walker Manufacturing Company 5925 E Harmony Road Fort Collins CO 80528 1 970 221 5614 A service manual is available for the gearbox from Tecumseh Products Co 900 North Street Grafton WI 53024 UNIT DESCRIPTIONS Implement Hitch The implement hitch is required to mount each of the implements to the tractor It clips on the tractor in place of the mower deck in less than a minute Each implement slides on the male hitch and easily locks in place The mount assembly also includes operator footrests and an electric power lift The lift control switch is mounted on the FSC lever for con venient operator use and is powered by the linear actuator on the implement hitch Dozer Blade The 46 inch 117 cm dozer blade has a five posi tion RH LH 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 position RH LH angle head It is suit able for light snow removal lawn dethatching rak ing and general hard surface sweeping It is raised and lowered automatically with the lift control switch The rotary broom is powered by the tractor PTO through the PTO shaf
55. er stop ring against the lower support and tighten the 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 ADJUSTMENTS Rotation 4 Handle Upper Stop Ring Screw n 4 Lower Support Lower Stop Ring Lr amp Set Screw Rotation Pinions Debris Blower Rotation Pinions amp Handle Adjustment Maintenance Instructions TORQUE SPECIFICATIONS GENERAL SPECIFICATION TABLE TORQUE SPECIFICATIONS Use the following torques when special torques are not given NOTE These values apply to fasteners as received from supplier dry or when lubricated with normal engine oil They do not apply if special graphited or hide greases or other extreme pressure lubricants are used This applies to both UNF and UNC threads SEE Grade No BOLT HEAD IDENTIFICATION MARKS AS PER GRADE NOTE MANUFACTURING MARKS WILL VARY BOLT SIZES Pounds Foot Newtons Meter Torque Pounds Foot Newtons Meter Inches Millimeters MIN MAX MIN MAX 1 4 6 35 12 15 278 24 29 9 6 6 7 94 10 12 13 16 3 i 9 53 20 23 27 1 31 2 23 1 47 5 97 0 4
56. ft and install a 1 4 x 1 4 x 1 1 4 in key in the input shaft keyway Thoroughly clean the inside of the tractor PTO shaft and align the PTO shaft keyway with the key in the input shaft keyway 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 o Rm Set Screw Attach Tractor PTO to Debris Blower Input Shaft Reinstall the belt guard by reversing the remov al procedure Insert the male quick hitch section of the imple ment hitch into the female hitch of the debris blower and lock in place by moving the hitch locking lever fully forward to the LOCKED po sition Secure the latch with the linchpin Refer to Hitch Locking Lever in Operating Instruc tions A 24 d Linchpin 0 ae Hitch Locking ever Poma Quick Hitch Attach Debris Blower to Implement Hitch 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 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 effectively elimi nate power loss and noise wh
57. g 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 Ib 36 kg weight has been installed on rear of tractor Implement Hitch CHECK LIFT SWITCH OPERATION Raise and lower the implement hitch to make sure the lift switch and linear actuator operate properly CHECK HITCH LOCKING LEVER Lock and unlock the male hitch to make sure the locking mechanism functions properly Refer to Hitch Locking Lever in Operating Instruc tions Dozer Blade CHECK CUTTING EDGE e Make sure the cutting edge is not nicked bent or worn Refer to REPLACING REPAIRING of Dozer Blade Cutting Edge in Maintenance Instructions CHECK TRIP SPRING e Check trip spring tension Refer to Trip Spring in Operating Instructions e Check trip spring lockout bracket Refer to Normal Operation or Rigid Blade Opera tion in Operating Instructions CHECK SWIVEL ADJUSTMENT Refer to Angle Adjustment Pin in Operating In structions Rotary Broom CHECK BRUSH e Make sure the brush is clear of snow and or ice Make sure the brush is free to rotate e Check that the bristles are in good condition and are not worn or bent Assembly Instructions CHECK BROOM ANGLE ADJUSTMENT Refer to Angle Adjustment Lever in Operating In structions CHECK DRIVE CHAIN Refer to L
58. h be come asymmetric when the front of a tooth is a dif ferent shape than the back side of the tooth Symmetric Acceptable Asymmetric Replace Reduction Sprocket Wear NOTE Generally a small sprocket wears faster than a large sprocket REPLACING REPAIRING 1 Remove the reduction box cover and reduction chain Refer to REPLACING REPAIRING of Two Stage Snowblower Reduction Chain in this section 2 Loosen the set screws that fasten the sprocket to 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 Roll Pin Set Screw Drive Shaft amp Sprocket To gt Set Screw Locking Collar Remove and Replace Sprocket 5 Install chain and adjust the chain tension Refer to ADJUSTMENTS of Two Stage Snowblow er Reduction Chain Tension in this section 6 Lubricate the reduction chain Refer to LUBRI CATION of Two Stage Snowblower Reduc tion Chain in this section 7 Reinstall the reduction box cover by reversing the removal procedures Debris Blower Drive Belt 1 Remove the belt guard from the debris blower housing by removing the two 2 cover pins and hairpins securing it to the housing 61 62 Maintenance Instructions Loosen the thr
59. harness to the tractor body us ing the three wiring clamps three 10 24 x 3 8 in bolts and Keps nuts 20 4 Attach the toggle switch to the mounting brack et placing the switch terminals toward the front of the mower Mounting Bracket Wiring Clamps Terminals p Harness 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 IMPORTANT For all 1987 1997 Model MC tractors with Kohler Magnum engine connect the harness red wire to the free connector of the PTO clutch switch red wire Refer to Implement Hitch Wiring Diagram illustration Assembly Instructions 6 Complete the wiring by connecting the wiring harness ends to the toggle switch and to the ac tuator motor of the implement hitch A Wire Harness 77 Actuator Motor Connector m Connector m 7 i 577 d coo WEN Complete Implement Hitch Wiring 7 Move the implement lift switch 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 21 As
60. he bearing flange mounting nuts and bolts Position the chain tension block so that the chain has as much slack as possible Tight en the bearing flange mounting nuts and bolts slightly to hold the bearing flange in this posi tion Tension Block Master Link Bearing Flange Bolts Chain Guard Remove Chain Guard and Loosen Chain Tension Turn the brush drive shaft until the master link for the chain is accessible Remove the master link from the chain and re move the chain from the sprocket Place the new chain on the sprockets and install the master link Be sure to install the clip on the master link properly The closed end of the clip should point in the direction of chain travel Replace Drive Chain REPLACING REPAIRING 6 Adjust the chain Refer 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 Symmetric Acceptable Asymmetric Replace Sprocket Wear NOTE Generally a small sprocket wears faster than a large sprocket 1 Remove the chain guard and drive chain Refer to REPLACING REPAIRING of Rotary Broom Drive Chain in this section 2 Loosen the set screws that fasten the sprocket to the drive shaft 3 Slide
61. he following list of items should be checked if a pat tern of clogging begins to develop All of these items are capable of causing clogging e Check that the inside of the snowblower housing is Clean and free of snow and or ice buildup e Check that the auger is in good condition and not bent both the auger flighting and the center pad dles e Check the inside of the blower spout for smooth ness and freedom of obstruction Remember anything that restricts airflow or materi al flow along the entire path from the auger to the blower spout can cause clogging DEBRIS BLOWER CONTROLS Chute Rotation Handle The chute rotation handle is located on the rear of the debris blower on the upper RH side of the im peller housing The chute rotates in a 230 degree arc by cranking the rotation handle Turning the handle clockwise rotates the chute clockwise Turning the handle counterclockwise rotates the chute counterclockwise 2 Chute Rotation Handle E A A a 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 Deflector Position Control Knob Deflector Position Control Knob DEBRIS BLOWER OPERATION Ah CAUTION Before operating the debris blower read and unde
62. he forward motion of the tractor can always be stopped by pulling the Forward Speed Control FSC into the NEUTRAL PARK position Disengage the PTO clutch and put the FSC in the NEUTRAL PARK position before starting the engine an ignition interlock switch normally prevents starting of the tractor if these controls are in the OPERATING position Do not run the engine in a confined area with out adequate ventilation Exhaust fumes are hazardous and can be deadly Do not carry passengers maximum seating Capacity is one 1 person Make sure the auger brush or debris blower is clear of snow ice or debris before engaging the PTO clutch Be careful never to throw snow or blow debris to wards people or cars and never allow anyone in front of the implement Watch out for hazards hidden under snow or leaves that could enter the chute or blower while operating Avoid sudden starts or stops Before backing the machine up look to the rear to be sure no one is behind the machine Watch carefully for traffic when crossing or working near roadways 16 Safety Instructions 12 13 14 15 16 17 18 Disengage the PTO clutch when transporting the machine Do not operate across the face of slopes Use extreme caution when changing direction on slopes Do not attempt to clear steep slopes Never adjust gauge wheels or skid shoes with the engine running Before adjusting height or servicing disengage th
63. hen obtaining replacement parts and maintenance as sistance For ready reference please record these numbers in the space provided Implement Hitch Model No IH6620 Implement Hitch Serial No Dozer Blade Model No DB6660 Dozer Blade Serial No Rotary Broom Model No RB6650 Rotary Broom Serial No Two Stage Snowblower Model No __SB6670 Two Stage Snowblower Serial No Debris Blower Model No DB6680 Debris Blower Serial No Date of Purchase Fill In By Purchaser General Information Serial Number Two Stage Snowblower Serial Number Location Rear View and RH View Implement Hitch Serial Number Location Top View 4 Serial Number Debris Blower Serial Number Location Dozer Blade Serial Number Location Rear View and RH View Rear View Rotary Broom Serial Number Location Rear View General Information SERVICING OF DRIVETRAIN GEARBOX Detailed servicing and repair of the gearbox used on the implement attachments 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 unau thorized work done on these components during the warranty period may void the warranty If you have any difficulty finding an authorized outlet or obtaining warranty service please contact our Ser vice Departm
64. in key in the reduction shaft keyway Slide the drive shaft yoke over the reduction shaft 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 Assembly Instructions 1 4 x 1 4 x 1 1 4 in Key Drive WD Shaft Yoke SS SS V 9 Set Screw Reduction Shaft Attach Drive Shaft Yoke to Reduction Shaft 4 Install one 1 4 x 7 1 2 in bolt through the upper set of holes in the reduction box and secure loosely with a lock washer and nut Install Bolt PS Reduction 1 Box Install Bolt in Reduction Box 5 Hook the reduction box cover over the bolt and secure the cover with a second 1 4 x 7 1 2 in bolt lock washer and nut through the lower set of holes in the reduction box Torque both bolts to 10 ft lb 13 6 N m Install Reduction Box Cover 6 Attach the female portion of the hitch to the snowblower using one 3 8 x 1 in bolt in the up per hole of each 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 i 1 Bolt Heads On Outside of Hitch 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
65. ing stands and replace them with the gauge wheels Place the remaining spacer sleeve s over the gauge wheels on the upper part of the stand supports and secure the gauge wheels with the pins and hairpins Hairpin Spacer Sleeves Optional Gauge Wheel Installation TWO STAGE SNOWBLOWER Snowblower Assembly 1 Install the hand guard on the chute with the top section inside the chute and the bottom section outside the chute base 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 Chute Base Install Hand Guard on Chute Remove the bushing support from the chute base lip and discard the existing bolt refer to In stall Rotation Worm Assembly photo Place the plastic anti friction insert over the chute base placing the nipple on the upper side towards the center of the fan housing Only one position provides a perfect fit Apply grease on top of the insert where it will contact the chute base _ Apply Grease gt Install Plastic Insert over Chute Base Lip Insert the 1 5 16 in 33 mm plastic bushing in to the tube weldment 27 Assembly Instructions 5 Insert the 1 11 16 in 43 mm plastic bushing in 8 to the bushing support and place this over the shaft on the rotation worm 6
66. ion Never attempt to make any adjustments while the engine is running except where spe cifically instructed to do so Handle gasoline or diesel fuel with care Gasoline is highly flammable and its vapors are explosive a Use an approved fuel container b Never add fuel to a running engine or hot engine allow hot engine to cool several minutes c Keep matches cigarettes cigars pipes open flames or sparks away from the fuel tank and fuel container d Always fill the fuel tank outdoors using care Fill to about one inch from the top of the tank Use a funnel or spout to prevent spilling e Replace the machine fuel cap and contain er cap securely and clean up any spilled fuel before starting the engine OPERATING 10 11 NOTE Refer to the Walker Rider Lawnmowers OWNER S MANUAL for safety instructions for operating the tractor Operate the machine only in daylight or in good artificial light with good visibility of areas being cleaned Sit on the seat when starting the engine and op erating the machine Keep feet on footrests at all times when the tractor is moving and or the im plement is operating An inexperienced operator should learn to steer maneuver the tractor with a slow engine speed before attempting any operating Be aware that with the front mounted implement configuration the back of the machine swings to the outside during turns Remember for an emergency stop t
67. l lowing terms and their definitions will help while us ing this manual e FORWARD SPEED CONTROL FSC controls the maximum forward speed of the tractor func tioning as a Cruise control e IMPLEMENT refers to the dozer blade rotary broom two stage snowblower or debris blower used with the tractor with an implement hitch in stalled e LEFT HAND LH refers to the left hand side of the machine when the operator is seated facing forward in the tractor seat MACHINE consists of the implement installed on the tractor functioning as a single unit e POWER TAKE OFF PTO transmits engine power to run the rotary broom two stage snow blower or debris blower e RIGHT HAND RH refers to the right hand side of the machine when the operator is seated fac ing forward in the tractor seat e TRACTOR is the prime mover including the en gine drivetrain operator seat and controls to operate the implement IDENTIFYING NUMBER LOCATIONS The implement hitch serial number is affixed to the top of the male hitch assembly underneath the PTO shield The dozer blade serial number is af fixed to the LH side of the hitch box on the back side of the blade The rotary broom serial number is affixed on the RH side of the pivot bracket The snowblower serial number is affixed on the RH side of the snowblower head frame The debris blower serial number is affixed to the top RH side of the hitch Model and serial numbers are helpful w
68. m Angle Adjustment Lever Check Broom Side to Side Level Adjustment CO CO Rotary Broom CO CO Check Rotary Broom Ground Contact Knob D A CO CO CO CO CO CO CO CO CO CO CO CO Check Rotary Broom Gearbox Oil Seals Lubricate Rotary Broom Drive Chain Two Stage Check Snowblower Auger Condition CO CO Check Snowblower Chute Rotation Handle Check Snowblower Deflector Position Control Knobs CO CO Snowblower CO CO Check Snowblower Scraper Blade Condition iN O1 Check Snowblower Gearbox Oil Seals iN O1 Lubricate Snowblower Reduction Chain Check Debris Blower Chute Rotation Handle Check Debris Blower Deflector Position Check Debris Blower Gauge Wheel Debris Blower Tire Pressure Check Debris Blower Impeller Condition Check Debris Blower Drive Belt Tension and Condition gt D iN O O er A O Refer to the appropriate Tractor Owner s Manual for complete information about Tractor Maintenance Items 43 Maintenance Instructions LUBRICATION DO NOT attempt to lubricate the machine with the tractor engine running Disen gage the PTO clutch shut off the ma chine and remove the ignition key Proper lubrication is an important maintenance pro cedure It reduces wear and makes the machine quieter and easier to operate Rotary Broom Gearbox The gearbox is permanently lubricated oil filled and sealed requiring no scheduled lubrica
69. moval procedures Maintenance Instructions 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 Ifthe 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 Ib 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 LUBRICATION 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
70. nent Identification DOZER BLADE Welded Blade Angle Adjustment Pin Trip Spring Trip Spring Lockout Pin Skid Shoe Bracket Skid Shoe Trip Spring Pin Female Lockout Bracket Skid Shoe Quick Hitch Dozer Blade Rear View and Right Side View Not Installed Component Identification ROTARY BROOM Tension Spring Stopper Rotary Broom Pin Housing Ground Contact Knob Pivot Bracket Broom Angle Adjustment Lever Brush Female Hitch Plastic PTO Shaft Wheel Parking Stand Rotary Broom Rear View and Right Side View Not Installed Component Identification TWO STAGE SNOWBLOWER Deflector Deflector Position Control Knob Hand Guard Chute Chute Rotation Handle Gearbox Support Bracket Gearbox Frame Auger Two Stage Snowblower Front View and Right Side View Not Installed 10 Component Identification Deflector Deflector Position ES po Control Knob Chute gt Chute Rotation Handle Snowblower Housing V mu e Heduction Box Cover Skid Shoe m Parallel Bar Skid Shoe Female Quick Hitch PTO Drive Shaft Two Stage Snowblower Rear View Not Installed 11 Component Identification DEBRIS BLOWER Chute Rotation Handle Blower Motor Housing Belt Guard Linchpin PTO Drive Shaft Female Quick Parking Stand Hitch Pivot Wheel Debris Blower Front View and Left Side View Not Installed 12
71. ng edge as follows 1 Remove the six 6 5 16 NC hex nuts and 5 16 in lock washers from the rear of the blade behind the cutting edge Remove the six 6 5 16 NC x 1 in carriage bolts from the front cut ting edge 2 If only one edge of the blade is dull or nicked rotate the blade 180 degrees The sharp edge should now be at the bottom Reinstall the cut ting edge onto the dozer blade 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 REPLACING REPAIRING Reversible Cutting Edge 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 Remove the two 2 bolts and the chain guard 5 Loosen the bolt securing the chain idler so that the chain can be removed from the sprocket Maintenance Instructions 6 Loosen the two sprocket set screws and push sprocket towards the brush Sprocket Chain idler Chain Idler Sprocket Screws Flange Bolts Bearing Set Chain Guard Loosen Chain Idler and Set Screws 7 Remove the three bolts on the bearing flanges on e
72. ntenance Instructions Ident Lubrication No No Location Type Places Debris Blower 1 Front Gauge Wheel Grease 1 2 Plastic Anti Friction Insert Grease 1 3 Blast Nozzle Oil 1 4 Sprockets Oil 2 LUBRICATION Ident Lubrication No No Location Type Places 5 Rotation Handle Grease 2 6 Universal Joint Shaft Assembly Grease 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 Maintenance Instructions Debris Blower Lubrication Points LUBRICATION 55 96 Maintenance Instructions REPLACING REPAIRING 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 CAUTION ALWAYS use genuine factory replacement parts Substitute parts CAN result in prod uct malfunction and possible injury to the operator and or others Dozer Blade Cutting Edge NOTE The cutting edge of the dozer blade is re versible and needs to be replaced only when both the top and bottom edges have worn Replace the dozer blade cutti
73. oot pounds E Ne Grass Handling System GR igi si isa Grade ae ees eee Horse Power Ap RC rms Identification or Inside Diameter 0 TE E EE E EE kilograms 8 kilometers per hour 0 kilopascals jore CO yu pounds 7 poundals or pounds force CENE Left Hand orientated with operator on seat je Em meters MAFIA millimeters UU miles per hour 05 ROM Newtons A RR TERI National Coarse IE Pene uci National Fine Pim Cr National Pipe Thread INS as Dat NUMBER essa ehe oon deo ae n docuit ae Item is not sold by Walker Manufacturing MARE E T ERE Newton meters 6 Obtain Locally Item is not sold by Walker Manufacturing si m Part Number PPHMS iO Phillips Pan Head Machine Screw A pei A Pounds Square Inch 0 Power Take Off sue ease ee PEE Right Hand orientated with operator on seat Rind revolutions per minute SAE FANENE N Society of Automotive Engineers E socket Button Head Bolt wl ME M TH
74. op the engine and re move the ignition key MAINTENANCE 10 NOTE Refer to the Walker Rider Lawnmowers OWNER S MANUAL for proper tractor mainte nance procedures To prevent accidental starting of the engine when servicing or adjusting the machine re move the key from the ignition switch and dis connect the fuel solenoid wire diesel engines or the spark plug wire s gasoline engines To reduce fire hazards keep the engine free of grass leaves excessive grease and dirt Keep all nuts bolts and screws tight to ensure the machine is in a safe working condition Perform only maintenance instructions de scribed in this manual Unauthorized mainte nance operations or machine modifications may result in unsafe operating conditions If the engine must be running to perform a main tenance adjustment keep hands feet and clothing away from moving parts Do not wear jewelry or loose clothing Always use proper engine service manuals when working on the engine Unauthorized maintenance operations or modifications to the engine may result in unsafe operating condi tions Altering the machine in any manner which ad versely affects its operation performance dura bility or use will VOID the warranty and may cause hazardous conditions Never attempt to disconnect any safety devices or defeat the purpose of these safety devices Do not change the engine governor settings or overspeed the engine The govern
75. or has been factory set for maximum safe engine operating speed Use genuine factory replacement parts Sub stitute parts may result in product malfunction and possible injury to the operator and or others IMPORTANT Keep all applicable manuals immediately accessible to anyone who may operate or service this machine 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 the Decal Location is shown in the Parts Manual DANGER lt ROTATING DRIVELINE CONTACT CAN CAUSE DEATH A Of KEEP AWAY DO NOT OPERATE WITHOUT ALL DRIVELINE TRACTOR AND EQUIPMENT SHIELDS IN PLACE DRIVELINES SECURELY ATTACHED AT BOTH ENDS DRIVELINE SHIELDS THAT TURN FREELY ON DRIVELINE IMPORTANT W ing tr ncy the PTO shiale must closed ar ir the down positiar and implement in the jas wer oa bus the sField ONLY cr connecting or discon ich ng di vein Dor 1822 ATTACHING INSTRUCTIONS 4 DAN GER 1 Insert subframe into attachment completely 2 Lock in place by moving lever forward to Lock position and secure with linch pin 3 If equipped with lift assist springs lift the attach ROTATING CHYIVELIN ment and attach springs UNLOCK IMP
76. ot allow the exclusion or limitation of incidental or consequential damages so the above limitation s or exclusion s may not apply to you C Only the warranty expressed in this limited warranty shall apply and no dealer distributor or individual is authorized to amend modify or extend this warranty in any way Accordingly additional statements such as dealer advertising or presentations whether oral or written do not constitute warranties by Walker and should not be relied upon D This warranty gives you specific legal rights and you may also have other rights which vary from state to state 91 WALKER MOWERS 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
77. otation Handle Insert 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 Assembly Instructions 14 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 effectively elimi nate power loss and noise when the blower is not being used Refer to GHS Blower Intake Cover illustration for ROTARY BROOM in this section For stability of the tractor when transporting with the snowblower in raised position approximate ly 80 36 kg of counterweight should be in stalled on the tail of the tractor Optional tail weights for the various tractor models are avail able from your Walker dealer or a sandbag or similar weight may be used DEBRIS BLOWER Debris Blower Installation The debris blower is shipped completely assembled except for the driveline which must be connected to the input shaft 1 Remove the belt guard from the debris blower housing by removing the two 2 cover pins and hairpins securing it to the housing Thoroughly clean the debris blower input sha
78. ractor engine and carefully back the tractor away from the blade Detach Blade from Implement Hitch DO NOT attempt to remove the rotary broom 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 off the seat To prevent accidental engine starting dis connect the fuel solenoid wire diesel en gines or the spark plug wire s gasoline engines 2 Extend the parking stands to raise the broom to the transport position so that the bristles do not contact the ground 3 Remove the hairpin from the welded sleeve on the RH side of the broom mounting bracket Set the pivot lock pin in the innermost position it may be necessary to lift the broom head slight ly and lock in place with the hairpin IMPORTANT Once the broom is fully remounted the pivot lock pin should be set in its most extended position in 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 back the tractor away from the broom Removal and Storage Instructions Detach Rotary Broom from Implement
79. rip Spring Lockout RAD 657503 1 7 1058 Hitch Box 1 8 1059 3 4 x 17 3 4 Pin 1 9 5800 Decal Walker Mower 4 x 7 1 2 1 10 5 Decal Stay Clear Blade RAD 657524 2 11 1050 Welded Blade 1 12 5 16 NC Hex Nut 7 13 5 16 Lock Washer 1 14 1056 Skid Shoe Pin 2 15 1055 Skid Shoe 2 16 1057 3mm x 65mm Hairpin 3 17 5 16 NC x 1 Carriage Bolt 6 18 1051 Cutting Edge 1 19 1068 Trip Spring Lockout Pin 1 20 1067 Trip Spring Lockout 1 Use only genuine Walker replacement parts ITEM PART DESCRIPTION NO NO REQ D 21 1341 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 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 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 DOZER BLADE ASSEMBLY Effective Date 06 01 01 Use only genuine Walker replacement parts 77 78 ROTARY BROOM ASSEMBLY ITEM PART NO NO DESCRIPTION NO REQ D Rotary Broom Assembly 1 1385 2 1366 3 NS 4 663827 5 6 137 1347 8 1344 9 341 10 7860 NS 12 1057 13 1306 14 1329 15 1339 16 171171 18 117
80. rstand all Safety Instructions and Operating Instructions Raising and Lowering the Debris Blower Refer to Implement Lift Switch in this section 41 42 Operating Instructions Engaging the Debris Blower 1 Set the engine throttle at about 1 3 speed DO NOT attempt to engage the PTO clutch at high engine speeds This will drastically short en drive belt life Use only moderate engine speed when engaging the PTO clutch 2 Pull the PTO clutch lever SLOWLY to engage the debris blower NOTE For cold weather operation allow suffi cient time for the debris blower components to warm up before beginning to blow debris A safety interlock switch seat switch will cause the engine to stop if the PTO clutch is engaged and the operator is not in the seat The function of this switch should be checked by the operator raising off the seat and engaging the PTO clutch the en gine should stop If the switch is not working it should be repaired or replaced before operating the debris blower DO NOT disconnect the safety switches they are for the operator s protection IMPORTANT DO NOT engage the PTO clutch when transporting the machine DO NOT engage the PTO clutch with the PTO shaft disconnected the debris blower removed from the tractor Recommendations For Operating the Debris Blower IMPORTANT Operate the engine at full speed when operating the debris blower to allow the en gine to produce full horsepo
81. s 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 DB6680 Debris Blower All shields and guards must be in place for the proper and safe operation of these imple ments Where they are shown removed in this manual it is for illustration purposes only Do not operate this product unless all shields and guards are in place Specifications given are based on the latest information available at the time this manual was produced Walker Mfg Co is continually striving to improve the design and performance of its products We reserve the right to make changes in specifications and design without thereby incurring any obli gation relative to previously manufactured products Sincerely WALKER MANUFACTURING COMPANY Waller Bob Walker President Table of Contents Owner s Manual General Information HIGHLIGHTED INFORMATION GLOSSARY IDENTIFYING NUMBER LOCATIONS SERVICING OF DRIVETRAIN GEARBOX UNIT DESCRIPTIONS Implement Hitch Dozer Blade Rotary Broom Two Stage Snowblower Debris Blower Specifications IMPLEMENT HITCH DOZER BLADE ROTARY BROOM TWO STAGE SNOWBLOWER DEBRIS BLOWER Component Identification IMPLEMENT HITCH DOZER BLADE ROTARY BROOM TWO STAGE SNOWBLOWER DEBRIS BLOWER
82. sembly Instructions AS Model MS Tractors Red Red 777 777 Actuator Switch AMP FUSE_ Green 1 Chassis GND Actuator 4 Wire Harness Assembly 1 Optional Lights zi Model MC MD and MT Tractors Red Red E eee e ei i ll Implement Hitch Wiring Diagram Assembly Instructions DOZER BLADE Dozer Blade Assembly 1 Insert the female quick hitch into the hitch box on the blade attachment 2 Align the single hole at the end of the female quick hitch with the single hole in the hitch box and insert the pivot pin through both holes Se cure the pivot pin on the underside with a 1 4 x 1 in roll pin Hitch Box Attach Spring to Blade Assembly Pivot Pin Mu 1 5 Inserta 3 16 1 in split spring pin into the angle 1 adjustment pin Female N Dx 6 Rotate the female quick hitch to obtain the re Quick Hitch NA i quired blade angle Align the hole in the center Il VLA of the female quick hitch with one of the five 5 holes in the hitch box and insert the angle ad justment pin through the top and bottom holes Refer to Angle Adjustment Pin in Operating Align Holes Roll Pin Instructions Insert
83. surface The drive belt deflection must be 1 8 in 3 mm condition when 6 1 2 to 9 Ibf 29 to 40 is applied midway IMPORTANT The air blast nozzle must clear eS the ground at all times 1 Remove the linchpin from the wheel pivot shaft 2 Adjust wheel height by placing sleeve spacers either on the upper or lower side of the wheel pivot bushing Placing the spacers on the low er side increases gauge wheel height Placing 1 8 in 8 mm the spacers on the upper side lowers gauge 6 5 to 9 Ibf wheel height 29 to 40 N 3 Reinstall the linchpin when proper gauge wheel height has been reached 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 Loosenthe two 2 nuts and bolts on the blower pulley bearing support and turn the adjustment nuts on each side until the required tension is reached Tighten the fasteners securely and re install the belt guard by reversing the removal procedures 66 Maintenance Instructions o F Blower Pulley Bearing Support Bolts Adjustment Eye Bolts Drive Belt Tension Adjustment Debris Blower Rotation Pinions The two 2 rotation pinions should slightly contact each other without any resistance 1 Loosen the set screw of each stop ring on the rotation handle 2 Keeping the two 2 pinions slightly in contact with each other position the upp
84. t gearbox and chain fi nal drive to brush drive shaft Tire chains and a soft cab are available as optional equipment Two Stage Snowblower The 42 inch 107 cm two stage snowblower throws snow up to 40 ft 12 m It is raised and low ered automatically with the lift control switch The blower spout is controlled with a simple position control handle The snowblower is powered by the tractor PTO through the PTO shaft snowblower drive shaft and gearbox Tire chains and a soft cab are available as optional equipment Debris Blower The debris blower is used for parking lot cleaning and leaf control It is raised and lowered automati cally with the lift control switch The directional spout adjusts manually The debris blower is pow ered by the tractor PTO through the PTO shaft Tire chains and a soft cab are available as optional equipment IMPORTANT These implements are not intended for use with Model MS tractors Specifications MODEL IMPLEMENT HITCH Height Width Length Overall Length Installed on Tractor Weight Lift IMPLEMENTS 10 in 25 cm 33 1 2 in 85 cm 30 in 76 cm 69 3 4 in 177 cm 70 lb 32 kg 12 Volt DC Electric Ram Linear Actuator Operated by Toggle Switch Mounted on FSC Lever DOZER BLADE Height Width Length Overall Length Installed on Tractor Weight minimum Lift Hitch System Type Blade Angle Adjustment Body Construction Depth Guide 17 1 2 in 44 cm 46
85. t the bristles with a tarp List the replacement parts that will be needed before the next season Store the broom in a dry place Two Stage Snowblower 1 2 Clean the snowblower thoroughly 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 When the snowblower is dry lubricate all mov ing parts Apply lubricant liberally to all exposed surfaces to protect against rust List the replacement parts that will be needed before the next season Store the snowblower in a dry place Debris Blower 1 2 Clean the debris blower thoroughly Repaint all parts from which paint has worn NOTE Rustproofing or painting every year will prolong the life of the debris blower compo nents and moving parts When the debris blower is dry lubricate all mov ing parts Apply lubricant liberally to all exposed surfaces to protect against rust List the replacement parts that will be needed before the next season Store the debris blower in a dry place 71 72 IMPLEMENT HITCH ASSEMBLY ITEM PART DESCRIPTION NO NO REQ D Implement Hitch 1 7 PTO Shield 1 2 1392 Safety Chain Assembly 1 1015 Chain 1 O L 5 16 Linchpin 1 O L 5 32 x 1 Cotter Pin 1 3 5588 Rubber Bumper 1 4 1001 Quick Hitch 1 6625 1 Hitch Assembly Male 1 5 OIL 9 16 ID Flat Washer 1 6 6621 Linear Actuator 11 3 4 1 7 0 Hitch Lift Cr
86. ter Pin 2 49 5 16 NC x 1 2 Hex Bolt Flange 4 50 1 2 NC Nylon Hex Nut 2 51 304 1 2 NC x 1 3 4 Hex Bolt 2 52 5 16 NC Hex Nut 1 Kit 1391 Side Caster Wheels Kit Includes Items listed below and instructions Side Caster Wheel Kit is not shown here May be ordered as a factory installed option oras a kit for dealer installation Contact your Walker dealer NS O L NS O L NS NS O L 1319 O L 1364 O L NS Fasteners F317 Locking Screw RAD 663527 5 16 NC Flange Nut Right Bracket RAD 663532 Left Bracket RAD 663533 5 16 NC x 3 4 Flange Bolt Support RAD 663534 Wheel Bracket RH RAD 663535 Wheel Bracket LH RAD 663536 11 16 ID Flat Washer Wheel 6 x 2 1 4 x 1 1 2 Cotter Pin 0 063 ID Nylon Ring 3 16 x 1 1 2 Cotter Pin Decal Brush Height RAD 661521 3 16 x 1 Split Spring Pin 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 P age 17 NOTE All NS items are listed with a RAD Part Number e g RAD 657383 and are not sold by Walker Manufacturing To order these items contact RAD Technologies Inc 2835 Chemin de l A roport Thetford Mines Qu bec G6G 5R7 CANADA 1 418 338 4499 Effective Date 06 01 01 ROTARY BROOM ASSEMBLY M NS lt SSS Effective Date 06 01 01 Use only genuine Walker replacement parts 79 1 24 80 ROTARY B
87. the de bris blower input 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 69 70 Removal and Storage Instructions Parking Stand Detach Debris Blower from Implement Hitch Removing Implement Hitch from Tractor IMPORTANT Detach any attached implement from the hitch before detaching the hitch from the tractor Refer to the instructions for REMOVAL of Dozer Blade Rotary Broom Two Stage Snowblower or Debris Blower in this section Park the tractor on a level surface and lower the implement hitch DO NOT attempt to remove the implement hitch with the tractor engine running Dis engage 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 dis connect the fuel solenoid wire diesel en gines or the spark plug wire s gasoline engines Unplug the male connector on the implement lift wiring harness from the female connector on the linear actuator Remove the hitch pins from each support arm and slide the implement hitch off the support arms Detach Implement Hitch from Tractor END OF SEASON STORAGE NEVER store the tractor with fuel in the fuel tank inside a building where open flames or sparks are present Allow the engine to
88. ting the snowblower DO NOT disconnect the safety switches they are for the operator s protection IMPORTANT DO NOT engage the PTO clutch when transporting the machine DO NOT engage the PTO clutch with the PTO shaft disconnected the snowblower removed from the tractor If the auger strikes a solid object or the machine begins to vibrate abnormally im mediately 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 snow blower and repair any damage before re starting the engine and operating the machine Make sure auger blades are in good condition and all bolts are tight ngaged Position 1 E pe r E E 1 A EE E 1 ae oum Ld Position 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 39 40 Operating Instructions e When operating on a slope reduce speed and use caution to start stop and maneuver Avoid sharp turns or sudden changes in direction e When blowing through deep snow drifts let the snowblower work its way through the drifts For best results raise the snowblower and remove a top l
89. tion 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 and relubricate the gear box as follows 1 Remove the gearbox following the procedure described in REPLACING REPAIRING the Ro tary Broom Gearbox in this section Dipstick Plug Mounting 0 Cover Rotary Broom Gearbox with Cover Removed 2 Clean the area around the plug located on the front of the gearbox 3 Remove the gearbox plug on the gearbox LUBRICATION 4 Ifthe 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 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 Ib 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 drive chain every 25 hours A light penetrating oil or special purpose chain oil is recom mended Lubricate the drive chain as follows 1 Remove the two 2 bolts fastening the chain guard cover to the broom housing and remove the cover Drive Chain Chain Guard Cover Chain Guard Bolts Remove Chain Guard Cover 2 Apply oil to the drive chain 3 Reinstall the chain guard cover by reversing the re
90. ush to Ground Contact 10 Retract the parking stands and secure with the hairpins prior to operation 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 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 effectively elimi nate power loss and noise when the blower is not being used Blower Intake Cover 11 GHS Blower Intake Cover For stability of the tractor when transporting with the rotary broom in raised position approxi mately 80 36 kg of counterweight should be installed on the tail of the tractor Optional tail weights for the various tractor models are avail able from your Walker dealer or a sandbag or similar weight may be used Optional Gauge Wheel Installation NOTE Gauge wheels are required for lawn work or heavy loads Assembly Instructions Remove the pin and hairpin from each gauge wheel Select the required number of spacer sleeves to remain on the bottom portion of the gauge wheels Refer to ADJUSTMENTS of Rotary Broom Gauge Wheels in Maintenance Instructions Remove the park
91. very poten tially dangerous situation Therefore items labeled as such in this manual do not cover all conceivable situations Any person using procedures tools or control techniques not recommended by Walker Manufacturing must take full responsibility for safety The Walker Tractor and Implement attachments have been designed with many safety features to protect the operator from personal harm or injury However it is necessary for the operator to use safe operating procedures at all times Failure to follow safety instructions contained in this manual may result in personal injury or damage to equipment or property If you have any questions concerning setup tion maintenance or safety please contact your authorized Walker Mower Dealer or call Walker 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 CO 80528 2 Never allow children to operate or give rides on the machine Do not allow adults to operate without proper instruction Do not allow anyone other than the operator on the machine 4 Keep everyone especially children and pets safe distan
92. wer and to increase ef ficiency of the engine cooling system e When operating on a slope reduce speed and use caution to start stop and maneuver Avoid sharp turns or sudden changes in direction Use optional tire chains or optional all terrain tires to improve traction Disengage the PTO clutch to stop the debris blower when driving the machine but not operating the debris blower Avoid damage to property and extra cleaning work by carefully choosing the direction to move the debris Orient the blower away from people and property due to the possibility of thrown objects To momentarily increase traction in case the drive wheels are slipping use the lift switch to raise the debris blower slightly and transfer extra weight on the drive wheels STOPPING THE 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 A brake stops the machine from free wheeling within five 5 seconds after dis engaging the PTO clutch If the brake system malfunctions and the machine does not stop within five 5 seconds the brake should be adjusted or repaired be fore operating the m
93. witch in this section Operating Instructions Engaging the Snowblower 1 Make sure that the snowblower is clear of snow and or ice before engaging the snowblower 2 Make sure that the auger and fan operate freely 3 Check the oil level in the worm gearbox and if necessary add SAE 90 E P Extreme Pres sure oil Make sure the oil level is up to the side plug Refer to LUBRICATION of Two Stage Snowblower Gearbox in Maintenance Instruc tions 4 Check the three 3 shear bolts one on each au ger section and one between the fan and gear box for proper tightness approximately 8 ft lb 11 Nem 5 Adjust the snowblower so that it runs level 6 Set the engine throttle at about 1 3 speed DO NOT attempt to engage the PTO clutch at high engine speeds This will drastically short en drive belt life Use only moderate engine speed when engaging the PTO clutch 7 Pull the PTO clutch lever SLOWLY to engage the snowblower NOTE For cold weather operation allow suffi cient time for the snowblower components i e gearbox oil to warm up before beginning to blow snow A safety interlock switch seat switch will cause the engine to stop if the PTO clutch 15 engaged and the operator is not in the seat The function of this switch should be checked by the operator raising off the seat and engaging the PTO clutch the en gine should stop If the switch is not working it should be repaired or replaced before opera
94. with the linchpin Re fer to Hitch Locking Lever in Operating In structions Male Quick Hitch Hitch Locking Lever Attach Blade to Tractor 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 each stand support bracket from the underside Install a 5 32 x 1 1 4 in cotter pin in the upper hole of each parking stand Set the parking stands in their most ex tended position and secure each stand with a 4 mm x 80 mm hairpin Check the pivot lock pin and make sure it is in the innermost position to prevent bulking of the female hitch member and to facilitate quick hitch attachment Assembly Instructions Male Quick Stand Support Hitch Bracket Hitch Locking Lever Parking Stand Prepare Rotary Broom for Installation 3 Attach the female broom driveline half with quick connect yoke over the male broom driv eline half Set the driveline on its support Attach Broom to Implement Hitch 5 Connect the broom driveline to the tractor PTO NOTE Driveline sliding surfaces must be shaft by sliding back the locking collar on the greased
95. yoke then push the yoke over the PTO shaft until the locking collar snaps back fully Make Heduction sure the driveline is well secured at both ends Shaft This shaft turns at very high RPM If the collar is not locked to the PTO shaft at the tractor end or if the yoke at the broom end is not secured properly the driveline can fly loose with great force capable of causing serious injury or death 4 l 3 M Sy LA 9 Drive Shaft Yoke Assemble Rotary Broom Driveline 4 Insert the male quick hitch section of the imple ment hitch into the female quick hitch of the ro tary broom and place the male quick hitch lever fully forward to the LOCKED position Secure the male quick hitch latch with the linchpin Re fer to Hitch Locking Lever in Operating In structions Connect Broom Driveline to Tractor PTO Shaft Assembly Instructions Remove the hairpin from the welded sleeve on the right hand side of the broom mounting bracket Carefully pull out the stopper pin to its most extended position and lock in place with the hairpin Stopper Pin Lock Stopper Pin in Place NOTE The pin in the innermost position is used to prevent the female hitch on the broom from being pulled up by the brush ground contact adjustment spring thus facilitating mounting and dismounting of the broom Adjust brush ground contact by threading knob Refer to Ground Contact Knob in Operating Instructions Adjust Br

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