Instruction/ maintenance manual of the product SSD (27 HP) Walker
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OWNER’S MANUAL Safety , Assembly , Operating, and Maintenance Instructions and ILLUSTRA TED P AR TS MANUAL Model MBSSD (27 HP) Please Read and Save These Instructions Effective Date: 03-31-08 For Sa.
For eword Thank you. . . for purcha sing a W alker mower . Every effort ha s been made to provid e you with th e most reliable mower on th e market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product does no t perform to your expect ations, please cont act your local dealer .
T able of Contents Owner ’ s Manual General Information ____________ ____ 1 HIGHLIGHTED INFORMATION ___________ __ 1 GLOSSARY _____________ ___________ ____ 1 IDENTIFYING NUMBER LOCATIONS ________ 1.
T able of Contents CHECKING/SERVICING _________________ 47 Security of Air Fi ltrati o n Co mp on e n ts ____ 47 Battery ________________ ___________ ___ 47 Cleaning the Terminals _ ___________ ___ 47.
General Information 1 HIGHLIGHTED INFORMA TION W alker Manufactur ing recommends that any ser - vice requiring special traini ng or tools be performed by an author ized W alke r Mower Dealer . There are several general practice s to b e aware o f in the a rea of safety .
General Information 2 T ractor Serial Number Location Mower Deck Serial Number Location ENGINE SERIAL NUMBER LOCA TION Refer to the e ngine manu al that ac companies this manual for the location of the engine se ria l nu mber .
Specifications 3 MODEL MBSSD ENGINE Manufacturer/Model Kohler Command CH740, 2 Cyl. OHV (Air -Cooled) Displacement 44.0 cu. in. (725 cc) HP (@ 3600 RPM) 27.0 Max. RPM (No Load) 3600 ± 100 Governed RPM 3600 ± 100 Max. T orque [ft-lb (N · m ) @ RPM] 42.
Specifications 4 MODEL MBSSD TRANSMISSION (continued) Service Brake Dynamic Braking through Transa xles Parking Brake (Internal) Mechanic al Lockout for each T ransaxle (Single Lever Control) Neutral .
Specifications 5 MODEL MBSSD MOWER DECK Width of Cu t 60 in. (152 cm) Cutting Height 1 to 5 in . (3 to 13 cm) Height Adjustment 17 Positions - 1/4 in. (1 cm) Increment s Blade Size 60 in.
Component Identification 6 Front V iew and Right Side View NOTE: Control Identification shown in Operating Instructions section. T ilt-Up Latch Deck Caster Wheels Counterweight S pring and Protective .
Component Identification 7 Rear View and Lef t Side View Left Hand Drive Wheel Fuel T ank and Cap Muffler Fuel Pickup Line Footrests S pread T ail Wheel T ailpipe Footrest Catch Assembly Battery (not .
Component Identification 8 T op View (Bod y Raised) Fuel T ank LH T ransaxle Expansion Reservoir RH T rans axle Lockout Rod LH T ransaxle Lockout Rod Rubber Bumpers (Body Suppor t) Fuel T ank Cap Fuel.
Safety Instructions 9 Pay particular attention to any inform ation labeled DANGER, W ARNING , CAUTION, IMPORT ANT , and NOTE in this manual. Wh en you se e t he Saf et y Al er t S ymb ol ( ), read, underst and, and follow the instructions. Fail- ure to comply with safety instructions may result in personal injury .
Safety Instructions 10 6. Do not we ar loose fi tting clothing t hat could ge t caught in moving part s. Do not operate this machine while wearing shorts; always wear adequate protective clot hing, including long pants.
Safety Instructions 11 6. Disengage the blade clutch and put the FSC in the NEUTRAL-P ARK position before st arting the engine (an ignition inter lock switch normally prevents st arting of the machine if these controls are in the OPERA TING position).
Safety Instructions 12 MAINTENANCE 1. T o prevent accident a l starting of the engine when servicing or adjusting th e machine, remove the key fr om the igniti on switch and disconnect the sp ark plug wires. 2. T o reduce fire hazards, keep the engine free of grass, leaves, excessive grease, and dirt.
Safety Instructions 13 SAFETY , CONTROL, AND INSTRUCTION DECALS Safety , Control, and Instruction De cals are installed on the machine; if any are missing, illegible, or damaged, a r eplacement should be ordered and installed before putting the machine into operation.
Safety Instructions 14 BEL T RO UT ING DRIVE BEL T DRI VE BE LT WA L K E R P/N 2 731 WALKE R P / N 2731 CARLIS LE P /N R3VX1 25 0 -2 CAR LI SLE P/N R3VX1250 -2 BELT T WIST BE LT TWI ST DRIVE P ULLEY D.
Assembly Instructions 15 SETUP INSTRUCTIONS W alker Mowers are shippe d p artially assembled to our distribution network, and are typically a ssembled by the selling dealer . For any additional assembly besides the following, contact your W alker dealer .
Assembly Instructions 16 Battery Charging 1. Charge the batter y at 15 amps fo r 10 minutes. DO NOT exceed 20 amps maximum re com- mended charging rate. Charge un til specific gravity is at least 1.250. T ot al charging time should not exceed one (1) hour .
Assembly Instructions 17 PT O Shaft Guard Installation Position the shaf t guard as shown and mount with two 1/4-20 x 1/2 in. bolts. PTO Shaf t Guard Inst allation Tilt-Up Roller Wheel Installation Mount the two (2) tilt-u p roller wheels on the brackets on the rear skirt of the deck housing using the P/N 8490 axle bolt, 3/ 8 in.
Assembly Instructions 18 4. Reaching under the tractor , join the PT O tube to the PTO shaf t (align arrow decals). Slide the PT O tube onto the spline shaft on the tractor PT O dr ive shaft. Mower Deck Inst allation (PTO Shaf t Connection) 5. Slide the deck the re st of the way on the deck arms.
Assembly Instructions 19 Deck Leveling 1. Position mower on a smooth, level surface. Set the cutting height to the highest position - 5 in. (127 mm) - for easy ac cess under the de ck to measure blade height. Refer to AD JUSTING CUTTING HEIGHT in Operating In structions .
Assembly Instructions 20 PREOPERA TING CHECKLIST Before operating the mower for the first time, and as a routine before daily opera tions, it is important to make sure the mower is pro p erly prep ared and ready for operation. The followin g is a list of items to be checked.
Assembly Instructions 21 CHECK FU NCTION OF SAFETY INTERLOCK SWITCHES Refer to Operating Instructions to check for proper operation of safety switches, both during engine starting an d with the operator leaving the seat with tractor movin g forward or with mowe r blades e n- gaged.
Operating Instructions 22 CONTROL IDENTIFICA TION, LOCA TION, AND FUNCTION Ignition Switch The ignition switch is loca ted on the rig ht front of the body and is used to start and stop the en gine.
Operating Instructions 23 Engine Ch oke The choke control lever (b lack knob) is located on the left side of the seat. T o start a cold engine, move the choke contr ol forward to the ON position. After engine starts, move choke co ntrol toward the OFF position, keeping enoug h choke to allow the engine to run smoothly as it warms up.
Operating Instructions 24 Parking Brake The parking brake functions by locking a detent arm internally into the trans axle. Moving the lever FOR- W ARD engages the parking brake; mo ving the lever BACKW ARD releases the brake. IMPORT ANT : S top the tractor completely before engaging the p arking brake.
Operating Instructions 25 THROTTLE BLADE CLUTCH (PT O ) P ARKING BRAKE Neutral-Park Positi on Idle Position ON Position OFF Position CHOKE Fast Throttle Position Operating Contro ls (T op View from Dr.
Operating Instructions 26 ST ARTING THE ENGINE 1. Before attempting to start the engine, make sure the operator is in the seat, the Forward S peed Control is in NEUTRAL-P ARK position, and the blade clutch an d parking brake are DISENGAGED.
Operating Instructions 27 1. Move the FSC out of NEUTRAL-P ARK position to the desired forw ard speed. DO NOT hold for- ward on steering levers. It is not necessary to hold the FSC lever in position since a friction lock maintains the selected lever position (and forward travel speed) .
Operating Instructions 28 Correct Operator Hand Pos ition o n t he Cont rols 3. Reverse direction of the mower by pulling both levers backward. NOTE: Smooth action on the steering leve rs will produce smooth mower operation. Remem- ber to keep the engine and ground spee d slow until learning the contro l response.
Operating Instructions 29 Blade Clutch Disengaged STOPPING THE MACHINE 1. Slow the engine to idle; put the throttle in the IDLE position. 2. Pull the steering levers to the NEUTRAL-P AR K position and t hen move the FSC lever backwa rd to the NEUTRAL-P ARK pos ition.
Operating Instructions 30 ADJUSTING CUTTING HEIGHT Cutting height is adjusted fr om operators seat u sing the height p eddle to assist in raising th e deck w hile positioning the height adjustment lever and hitch pin. 1. Disengage P TO and stop tractor .
Operating Instructions 31 TRANSAXLE LOCKOUTS IMPORT ANT : DO NOT T OW this mower with the transmission lockout engage d. T owing can prod uce excessive internal pressure and damage the transaxle(s). T o move th e mower with the engine NOT running (dead battery , ma intenance, etc.
Operating Instructions 32 • Make sure the mower is leveled properly for a smooth cut. Refer to Deck Leveling in Assembly Instructions . • Use an alternating stripe mowing pattern for best appear ance and vary the directio n of the stripe each time the grass is mowed to avoid wear patterns in the grass.
Maintenance Instructions 33 MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTER V ALS - MOD EL MBSSD Service Item Daily 25 Hours 100 Hours 200 Hours 400 Hours Y early Every 2 Y ears Ref.
Maintenance Instructions KOHLER TIP S 34 IMPORT ANT TIPS FOR CARE OF THE KOHLER ENGINE Fuel System • Fuel must be cle an - free from water , dirt, and or- ganic material. • Change fuel filter on a regular basis and wh en contamin ation is suspected or found in th e fuel.
Maintenance Instructions LUBRICA TION 35 LUBRICA TION Proper lubrication is an import an t maintena nce pro- cedure. It reduces we ar and makes the machine quieter and easier to oper ate. Engine Oil Engine Brea k-In Oil No special break-in oil is requir ed.
Maintenance Instructions LUBRICA TION 36 3. Remove the dipstick an d oil drain plug, and drain oil into a suitable contai n e r . B e s u r e t o a l l o w ample time for com p let e drain ag e . 4. Before re moving t he oil filter , c lean the ar ea around the filte r to keep dirt and debris out of the engine.
Maintenance Instructions LUBRICA TION 37 Mower Deck S pindle Lubrication These spindles are pe rmanently seale d and requir e no lubrication. DSD60 Mower Deck Lubrication Lubricate the U-Joint in the drive shaft every 8 hours with SAE general purpose lithium or molybdenum base grease.
Maintenance Instructions LUBRICATION 38 Ident Lubrication No. No. Location T ype P laces Ide nt Lubrication No. No. Location T ype Places 1 Deck Caster Wheel Fork Pivot Grease 2 2 Deck Caster Wheel Be.
Maintenance Instructions LUBRICATION 39 13 17 2 4 1 5 6 7 27 9 8 18 & 26 11 19 & 25 24 23 20 18 19 21 20 22 16 14 12 11 10 9 8 7 6 5 3 4 1 2 15 15 Chassis and Dec k Lub r ic at ion Poin ts.
Maintenance Instructions LUBRICA TION 40 T r a n sa xl e Oi l an d F ilt er Cha n g e Change the transaxle oil after the initial break-in period of 75-100 hours. Thereafter , chan ge oil every 400 hours of operation as follow s: 1. Thoroughly clean the exte rior of the transmis- sion housing before servicin g.
41 Maintenance Instructions CLEANING CLEANING Engine Air Cleaner System Cummins/Fleetguard Opti Air™ Air Cleaner A remote mounted Cu mmins/Fleetguard OptiAir™ air cleaner provides the air filtering function.
Maintenance Instructions CLEANING 42 Air Restriction Gauge Location Inspect the paper element af ter every 100 hours of service and replace the element an d safety filter yearly (or when dirty or da maged). More frequent replacement may be required when operating in extremely dusty conditio ns as indicated by the air res tricti on ga uge.
43 Maintenance Instructions CLEANING 10. Install th e cover with the word “DOWN” properly oriented to the bottom of the canister . T wist the OptiAir™ cover to the right and put into the "closed" position . Proper Orient ation of Air Cleaner Cover 1 1.
Maintenance Instructions CLEANING 44 Every 100 hours, inspect and clean the cooling fins (more of ten when operating in extremely du sty , dirty conditions). Rem ove the two ( 2) coo ling f in acc es s panels in the engin e shroud and clean the cooling fins and external sur faces using compressed air .
45 Maintenance Instructions CLEANING 4. Using the tilt bar , raise deck to the TIL T -UP posi- tion and insert th e deck hook into the tilt-up latch on the t ractor body . Deck Secured in Tilt-Up Position 5. Clean gra ss buildup u nderneath th e deck us ing a pressure washer (and scraper if required).
Maintenance Instructions CLEANING 46 T ransaxle Cooling Fins Keeping th e cooling f ins on the transaxl es clean and free of obstr uction is essential to avoid overheating the transmission fluid an d shortening transmission life. The coo ling fins should be checked every 100 hou rs; and cleaned if necessary .
47 Maintenance Instructions CHECKING/SER VICING CHECKING/SERVICING Security of Air Fi ltration Components NOTE: The following inspection is only an external inspection and should be done withou t “disturb- ing” the filtration componen ts. On a daily basis, visually inspect the external condi- tion of the complete air cleaner system.
48 Maintenance Instructions CHECKING/SER VICING NOTE: Keep blades sharp - cutting with dull blades not only yields a poor mowing job but slows the cutting spee d of the mower and causes extra wear on the engine and bl ade drive by pulling hard.
49 Maintenance Instructions CHECKING/SERVICING/ REPLACING/REP AIRING Drive Belt s Raise the body and inspect th e condition o f the fou r (4) drive belt s after every 25 hours of operation -- engine/P TO drive and ground dr ive. If the belts sho w signs of cracking or deterio rating, the belts should be replaced.
Maintenance Instructions REPLACING/REP AIRING 50 Engine/PT O Belt 1. T o remove the en gin e /PTO belt: a. Loosen and remove idler tension bolt an d jam nut. b. Relax belt by depressing idle r arm. c. Roll the belts of f the pulley and remove the belts.
Maintenance Instructions REPLACING/REP AIRING 51 Ground Drive Belt 1. T o remove the gr ou n d dr ive be lt: a. Raise the spring-loade d idler to relax belt.
52 Maintenance Instructions REPLACING/REP AIRING Fuel Filter Model MBSSD is equipped wit h in-line fuel filters. Visually inspect th e filter periodically , and replace the filter yearly .
53 Maintenance Instructions REPLACING/REP AIRING/ ADJUSTMENTS Reinsta ll the blades fo llowing procedure from Sharp- en Mower Blades instr uctions. If blades are re- placed, always use W alker original equipmen t blades to ensu re safety and optimum p erformance.
54 Maintenance Instructions ADJUSTMENTS S te ering Handle s Adjustment - Step 2 1. An adjustment ran ge of approximately 3 in. (76.2 mm) is available on the steering handles - the handle s can be adj usted forwar d or aft depending on the arm length of the operato r .
55 Maintenance Instructions ADJUSTMENTS NOTE: If the engine will not start, check and ad- just the neutral safety switch ( refer to Neutral Switch Adjustment - St ep 6 ). 5. With the FSC in the neutral position and the en- gine running, the wheels should n o t move.
56 Maintenance Instructions ADJUSTMENTS Neutral T ravel End Adjust FSC Switch - Neutral Adjustment - Step 6 1. Place th e FSC in neutral p osition. Lo osen mounting screws and ad just switch up or down accordingly .
57 Maintenance Instructions ADJUSTMENTS/ ELECTRICAL SYSTEM PTO Clutch The declutched or di sengaged position of the P TO clutch is adjustable and is set to completely release spring tension on the mechanica l clutch. The spring in the linkage th at engag es the clu tch shou ld not have any tension on it when the clutch is disengaged.
I T E M P A R T D E S C R I P T I O N L O C A T I O N N O . NO. NO. REQ’D SD Use only genuine W alker ® replacement parts. Effective Date 03-31-08 58 TRACTOR AND DECK DECALS W alker Product and Ope.
Effective Date 03-31-08 Use only genuine W alker ® replacement parts. 59 TRACTOR AND DECK DECALS 10 3 20 3 21 22 11 12 4 5 5 6 7 27 23 17 25 24 17 18 16 14 15 26 14 8 19 1 BELT ROUTING DRIVE BELT D R.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 60 BODY / CHASSIS ASSEMBL Y Body & Seat Assembly 1 2103-1 Seat 1 2 2105-1 Rear Body (Includes Item # 3) 1 3 2190-1 Insulation Foam Pad 1 4 5845 Rubber Bumper (1.
BODY / CHASSIS ASSEMBL Y 53 52 F341 54 55 56 F029 F020 F342 F342 F004 F029 51 50 F093 F004 1 F009 F183 15 16 16 15 13 12 F236 F236 F005 F005 14 10 11 7 9 8 3 18 F009 F034 39 F446 40 21 42 F430 F430 41.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 62 MAIN COMPONENT POWER TRANSMISSION PTO Drive Assembly 1 4850 Handle Grip 1 2 2358 Clutch Lever (Includes Item # 1) 1 3 5830-4 Grease Fitting (90 Deg.
MAIN COMPONENT POWER TRANSMISSION F012 F046 35 34 31 F336 F241 26 27 28 F013 26 F241 F388 F168 F091 29 F093 20 F009 F009 15 16 16 17 Refer to Body / Chassis Assembly F020 22 F013 21 F034 F029 F185 F17.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 64 ENGINE GROUP Fuel T ank Assembly 1 8046-9 Fuel T ank, 5.
Effective Date 03-31-08 Use only genuine W alker ® replacement parts. 65 ENGINE GROUP F164 F050 F201 F002 F002 F025 F005 44 43 45 39 38 41 35 34 42 37 40 F050 F185 F184 F184 F185 1 3 2 4 5 3 2 5 6 F1.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 66 HYDROST A TIC GROUND DRIVE ASSEMBLIES Park.
HYDROST A TIC GROUND DRIVE ASSEMBLIES Refer to Engine Group Refer to Body / Chassis Assembly Refer to Main Component Power Transmission Refer to Main Component Power Transmission F231 F171 F035 12 13 .
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 68 STEERING CONTROL ASSEMBLIES Steering Lever.
Effective Date 03-31-08 Use only genuine W alker ® replacement parts. 69 STEERING CONTROL ASSEMBLIES 2 1 F059 F386 F373 24 6 7 F024 F093 F093 F427 4 5 F009 F183 9 8 F373 F008 F183 F009 F035 F167 25 F.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 70 ELECTRICAL ASSEMBL Y Electrical Assembly 1.
ELECTRICAL ASSEMBL Y E A F G C B D L O M N K J I H END VIEWS ARE SHOWN FROM BACK OF PLUG DET AIL D PUR PUR YEL WHT BLK BLK RED ORG DET AIL B PUR/RED PUR DET AIL K DET AIL L DET AIL O PUR/RED PUR/RED G.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 72 60 INCH COMPLETE CARRIER FRAME ASSEMBL Y (.
Effective Date 03-31-08 Use only genuine W alker ® replacement parts. 73 60 INCH COMPLETE CARRIER FRAME ASSEMBL Y (P/N 291 1) F166 1 4 3 2 2 3 F1 17 F1 17 5 6 F014 F215 F014 6 F215 F048 F048 18 F132 .
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 74 DSD60 DECK ASSEMBL Y (P/N 2910) Deck Housi.
DSD60 DECK ASSEMBL Y (P/N 2910) F009 8 7 7 F025 1 3 5 1 F025 F002 F025 7 F009 25 28 F050 F029 F002 F067 F318 8 7 6 6 F002 47 48 49 50 51 53 52 F108 F241 F276 F055 F045 F075 F435 31 30 36 F034 44 F043 .
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 76 MULCH KIT Mulch Kit 1 2691-4 Baffle, RH 1 .
MULCH KIT 1 F004 F004 F029 F029 F029 F029 F029 F029 F029 F029 F029 F029 F029 F004 F004 F004 F004 F004 F004 F004 F004 2 4 5 3 Refer to DSD60 Deck Assembly Effective Date 03-31-08 Use only genuine W alker ® replacement parts.
ITEM PART DESCRIPTION NO. NO. NO. REQ’D ITEM PART DESCRIPTION NO. NO. NO. REQ’D Use only genuine W alker ® replacement parts. Effective Date 03-31-08 78 WIRING SCHEMA TIC RELA Y - C RELA Y - B RE.
79 LIMITED W ARRANTY FOR W ALKER MODEL MBSSD RIDER MOWER 1. WHA T THIS WARRANTY COVERS, AND FOR HOW LONG: W alker Manufacturing company will, at it s option, repair or repl ace, without charge, any p .
W ALKER MFG . CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614 FORM NO. 033108 PRINTED I N USA www.wal kermowers.com © 2008 W ALKER MFG .
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