Walker MT, MTL, MTEFI, MTLEFI Owner's Manual - Assembly Instructions

Other manuals for MT, MTL, MTEFI, MTLEFI: Detailed Instructions, Owner's Manual, Owner's Manual

Summary of MT, MTL, MTEFI, MTLEFI

  • Page 1

    Owner’s manual safety, assembly, operating, and maintenance instructions model mt (23.0 hp) model mtl (25.0 hp) model mtefi (26.0 hp) model mtlefi (31.0 hp) please read and save these instructions effective date: 04-01-07 for safety, read all safety and operation p/n 8000-14 instructions prior to op...

  • Page 2: Foreword

    Foreword thank you. . . For purchasing a walker mower. Every effort has been made to provide you with the most reliable mower on the market, and we are sure you will be among our many satisfied custom- ers. If for any reason this product does not perform to your expectations, please contact us at (9...

  • Page 3: Table of Contents

    Table of contents general information ________________ 1 highlighted information _____________ 1 glossary ____________________________ 1 identifying number locations ________ 1 engine serial number location ______ 2 servicing of engine and drivetrain components ______________ 2 specifications ______...

  • Page 4: Table of Contents

    Table of contents maintenance instructions __________ 55 maintenance schedule chart _______ 55 important tips for care of the kohler engine _______________ 56 fuel system _________________________ 56 starting/stopping _____________________ 56 cooling system - mt, mtefi ____________ 56 cooling system...

  • Page 5: General Information

    General information 1 highlighted information walker manufacturing recommends that any service requiring special training or tools be performed by an authorized walker mower dealer. There are sev- eral general practices to be aware of in the area of safety. Most accidents associated with the opera- ...

  • Page 6: General Information

    General information 2 tractor serial number location mower deck serial number location engine serial number location refer to the engine manual that accompanies this manual for the location of the engine serial number. For the mower model(s) covered by this manual, an engine manual is available from...

  • Page 7: Specifications

    Specifications 3 model air cooled mt (23.0 hp) mtefi (26.0 hp) liquid cooled mtl (25.0 hp) mtlefi (31.0 hp) engine manufacturer/model kohler command pro ® ch23, 2 cyl., gasoline (air cooled) kohler aegis tm lh685, 2 cyl., gasoline (liquid cooled) kohler command pro ® ch26, 2 cyl., gasoline (air cool...

  • Page 8: Specifications

    Specifications 4 model air cooled mt (23.0 hp) mtefi (26.0 hp) liquid cooled mtl (25.0 hp) mtlefi (31.0 hp) electrical system battery 12 volt, 35ah, 295 cca 12 volt, 41ah, 340 cca (interstate u1-sp40) charging system flywheel alternator flywheel alternator charging output ch23 ch26 15 amp dc (regula...

  • Page 9: Specifications

    Specifications 5 model air cooled mt (23.0 hp) mtefi (26.0 hp) liquid cooled mtl (25.0 hp) mtlefi (31.0 hp) transmission (continued) ground travel speed forward m.P.H. (km/h) reverse m.P.H. (km/h) 0-5 (0-8) infinitely variable* 0-5 (0-8) infinitely variable 0-7 (0-11) infinitely variable 0-7 (0-11) ...

  • Page 10: Specifications

    Specifications 6 model air cooled mt (23.0 hp) mtefi (26.0 hp) liquid cooled mtl (25.0 hp) mtlefi (31.0 hp) mower deck width of cut sd/ghs 42 or 48 in. (107 or 122 cm) 42 or 48 in. (107 or 122 cm) cutting height 1 to 4 in. (3 to 10 cm) 1 to 4 in. (3 to 10 cm) height adjustment 7 positions - 1/2 in. ...

  • Page 11: Specifications

    Specifications 7 model air cooled mt (23.0 hp) mtefi (26.0 hp) liquid cooled mtl (25.0 hp mtlefi (31.0 hp) ghs system (optional) (continued) optional grass catcher capacity 65 gallons (246 liters)/ 7.0 bushels 65 gallons (246 liters)/ 7.0 bushels full signal (grass-pak ® switch) oscillating vane swi...

  • Page 12: Component Identification

    Component identification 8 note: control identification shown in operating instructions section. Grass handling system 9.5 bushel catcher standard 7.0 bushel catcher (optional) (not shown) anti-scuff roller deck caster wheels catcher door safety latch counterweight spring and protective cover tilt-u...

  • Page 13: Component Identification

    Component identification 9 catcher door gas spring instrument panel guard left hand drive wheel catcher door fuel filter (not visible) removable grass catcher screen (not visible) catcher lift / dump handle gas spring cover instrument panel box (shock mounted) catcher exhaust deflector oil drain plu...

  • Page 14: Component Identification

    Component identification 10 air restriction indicator muffler grass shield throttle and choke linkage oil dipstick/oil fill rubber bumper (catcher support) 20 amp fuse (starter solenoid) ghs blower rh hydrostatic transmission pto clutch lever rh transmission lockout lever pto gearbox dipstick jacksh...

  • Page 15: Component Identification

    Component identification 11 fuel pickup line precleaner tube fuel tank air intake hose oil dipstick/ oil fill tailpipe model mtl air restriction indicator radiator guard air intake plenum air cleaner cover muffler muffler shield radiator hose radiator cap donaldson air cleaner fuel filter low idle a...

  • Page 16: Component Identification

    Component identification 12 air restriction indicator muffler grass shield oil dipstick/oil fill throttle linkage precleaner tube fuel tank air cleaner cover air intake hose fuel return line model mtefi fuel pickup line muffler air intake plenum ignition coil rubber bumper (catcher support) fuel pum...

  • Page 17: Component Identification

    Component identification 13 precleaner tube model mtlefi fuel return line muffler muffler grass shield throttle linkage radiator cap radiator hose radiator guard radiator rubber bumper (body support) air intake plenum fuel tank air intake hose overflow tank overflow hose donaldson air cleaner air cl...

  • Page 18: Safety Instructions

    Safety instructions 14 pay particular attention to any information labeled danger, warning, caution, important, and note in this manual. When you see the safety alert symbol ( ), read, understand, and follow the instructions. Fail- ure to comply with safety instructions may result in personal injury...

  • Page 19: Safety Instructions

    Safety instructions 15 6. Do not wear loose fitting clothing that could get caught in moving parts. Do not operate this machine while wearing shorts; always wear adequate protective clothing, including long pants. Wearing safety glasses, safety shoes, and a helmet is advisable and required by some l...

  • Page 20: Safety Instructions

    Safety instructions 16 6. Disengage the blade clutch and put the fsc in the neutral-park position before starting the engine (an ignition interlock switch normally prevents starting of the machine if these con- trols are in the operating position). 7. Do not run the engine in a confined area without...

  • Page 21: Safety Instructions

    Safety instructions 17 21. When leaving the machine unattended, dis- engage the blade clutch (pto), stop the en- gine, and remove the key. 22. For model mtl and mtlefi, never remove the radiator pressure cap when the engine is hot (hot water may spray and cause burns). Maintenance 1. To prevent acci...

  • Page 22: Safety Instructions

    Safety instructions 18 adjacent to blower discharge chute through body (5804) front body adjacent to rh steering lever (7818) on body adjacent to clutch control lever (5806) right side, behind operator seat (8400-6) rear cross member of front body (8825) rear of grass catcher exhaust screen (5869) e...

  • Page 23: Safety Instructions

    Safety instructions 19 instrument panel mt (8823-2), mtefi (8823-3), mtl (8823-4), mtlefi (8823-5) fender, rh side (7802) catcher door hinge bar, lh and rh sides (5868) top of blower housing (5819) deck carrier frame (8653) deck gearbox cover (5807-3) on engine (6810) safety, control, and instructio...

  • Page 24: Assembly Instructions

    Assembly instructions 20 setup instructions walker mowers are shipped partially assembled. After uncrating the tractor and mower deck, 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 (...

  • Page 25: Assembly Instructions

    Assembly instructions 21 to fill (activate) battery with electrolyte (if battery has been shipped dry): 1. Remove the battery hold down bar, disconnect the battery cables and lift the battery out of the tray. Important: battery must be removed from the mower before filling with electrolyte. Importan...

  • Page 26: Assembly Instructions

    Assembly instructions 22 battery installation important: make sure battery is securely mount- ed in the frame. A loose battery may cause damage to the case resulting in acid leakage and severe dam- age to the machine. A hazard may be created by damage to critical working parts and safety systems. In...

  • Page 27: Assembly Instructions

    Assembly instructions 23 deck discharge shield installation (side discharge models only) attach the deck side discharge shield by positioning the shield hinge lug in front of the deck mount and fastening with two (2) 3/8-16 x 1-1/4 in. Bolts, 3/8-16 esna nuts, and 3/8 in. Wave spring washers. The wa...

  • Page 28: Assembly Instructions

    Assembly instructions 24 4. Reaching under the tractor, join the pto tube to the pto shaft (align arrow decals). Slide the pto tube onto the spline shaft on the tractor pto gearbox. Note: when installing the dsd52 mower deck, make sure to retract the dolly wheel after mounting the deck on the tracto...

  • Page 29: Assembly Instructions

    Assembly instructions 25 deck leveling 1. Position mower on a smooth, level surface. Set the cutting height to the highest position - 4 in. (102 mm) - for easy access under the deck to measure blade height. Refer to adjusting cutting height in operating instructions . Note: a block of wood cut 4 in....

  • Page 30: Assembly Instructions

    Assembly instructions 26 preoperating checklist before operating the mower for the first time, and as a routine before daily operations, it is important to make sure the mower is properly prepared and ready for operation. The following is a list of items to be checked. (for a mower with frequent ope...

  • Page 31: Assembly Instructions

    Assembly instructions 27 check engine cooling system - model mtl • check the radiator air intake screen to make sure the screen is clean and free of obstruction. Also, the radiator cooling fins should be inspected and cleaned if there is any buildup of dirt or debris. (remove the intake screen assem...

  • Page 32: Assembly Instructions

    Assembly instructions 28 check mower blade condition, sharp- ness, and security of mounting the blade mounting nut should be tightened to 60 ft-lb (81.3 n · m). If blade sharpening is required, refer to checking/servicing for sharpen mower blades in maintenance instructions . Adjust mower cutting he...

  • Page 33: Operating Instructions

    Operating instructions 29 control identification, location, and function operating controls engine choke - (model mt and mtl only) the choke control lever (black knob) is located on the left side of the seat. To start a cold engine, move the choke control forward to the on position. After engine sta...

  • Page 34: Operating Instructions

    Operating instructions 30 choke and throttle location (mt and mtl) engine throttle the throttle control lever (red knob) is located on the left side of the seat and is used to control engine speed. Moving the lever forward toward the fast position increases engine speed; moving it back- ward toward ...

  • Page 35: Operating Instructions

    Operating instructions 31 throttle blade clutch (pto) pull up to engage parking brake left wheel steering lever forward position (no control change) neutral-park position reverse drive wheel motion position right wheel steering lever the forward speed control also establishes the neutral-park positi...

  • Page 36: Operating Instructions

    Operating instructions 32 front body latch release the front portion of the tractor body hinges forward for maintenance access and is latched down in the operating position. To raise the body, move the latch release forward. Front body latch release transmission lockout levers the transmission locko...

  • Page 37: Operating Instructions

    Operating instructions 33 suspension seat (mtl and mtlefi) a fully adjustable suspension seat is standard on models mtl and mtlefi. This seat is adjustable for back pitch, weight, lumbar support and armrest inclination. Proper adjustment for each operator is essential to safe operation and operator ...

  • Page 38: Operating Instructions

    Operating instructions 34 for backrest adjustment, moving the adjustment handle upwards loosens the notching of the back- rest adjustment. Refer to figure 3. After the adjustment, the handle must lock in the de- sired position. It should not be possible to move the backrest into another position whe...

  • Page 39: Operating Instructions

    Operating instructions 35 instrument panel instrument panel this illustration shows the configuration of the switches and indicators located on the instrument panel. Hourmeter light switch (optional) ignition switch warning horn warning horn ignition switch light switch (optional) voltmeter hourmete...

  • Page 40: Operating Instructions

    Operating instructions 36 warning horn ignition switch light switch (optional) voltmeter hourmeter 7 amp circuit breaker 10 amp circuit breaker mtlefi warning horn ignition switch light switch (optional) voltmeter hourmeter 7 amp circuit breaker 10 amp circuit breaker mtl water temperature warning l...

  • Page 41: Operating Instructions

    Operating instructions 37 hourmeter the hourmeter, which is located on the left front of the body, displays operating time accumulated while the ignition switch is in the on position. The hourmeter provides maintenance reminders after certain hours of operation. The hourmeter screen will start flash...

  • Page 42: Operating Instructions

    Operating instructions 38 water temperature warning light (model mtl) the water temperature warning light indicates that engine coolant temperature is above the safe oper- ating limit and the engine is overheating. If this light comes on, there may be a problem with: • radiator cooling air flow (mat...

  • Page 43: Operating Instructions

    Operating instructions 39 circuit breakers depending on model, either one or two manual reset circuit breakers are located on the instrument panel. Each has a button that pops out if the circuit breaker trips. For models mt, mtefi and mtlefi, the 7 amp circuit breaker protects the safety circuits an...

  • Page 44: Operating Instructions

    Operating instructions 40 3. After the engine starts, make sure the oil pres- sure light goes off. If not, stop the engine imme- diately and find the cause of the problem. Make sure the oil pressure light is off prior to engaging the mower blades and beginning operation. 4. For model mt and mtl, gra...

  • Page 45: Operating Instructions

    Operating instructions 41 correct operator hand position on the controls 3. Reverse direction of the mower by pulling both levers backward. Note: smooth action on the steering levers will produce smooth mower operation. Remem- ber to keep the engine and ground speed slow until learning the control r...

  • Page 46: Operating Instructions

    Operating instructions 42 blade clutch engaged blade clutch disengaged stopping the machine 1. Slow the engine to a fast idle; put the throttle in the 1/2 throttle position. 2. Pull the steering levers to the neutral posi- tion and then move the fsc lever backward to the neutral-park position. 3. Di...

  • Page 47: Operating Instructions

    Operating instructions 43 adjusting cutting height cutting height is adjusted by positioning the four re- tainer hitch pins in a series of seven vertical holes on the deck support pins. Lift handles have been pro- vided on each end of the deck to assist in raising the deck while positioning the hitc...

  • Page 48: Operating Instructions

    Operating instructions 44 recommendations for mowing important: operate the engine at full speed when mowing, to allow the engine to produce full horsepower and to increase efficiency of the engine cooling system. • keep the mower deck and discharge chute clean. • mow with sharp blades. A dull blade...

  • Page 49: Operating Instructions

    Operating instructions 45 recommendations for tilt-up deck operation/transport to avoid potential deck and/or tractor damage while using the tilt-up deck, the following recommenda- tions are offered: • do not move the tractor with the deck in the tilt- up position since both the roller wheels (on th...

  • Page 50: Operating Instructions

    Operating instructions 46 grass handling system (ghs) ghs model only ghs flow and components pto and blade gear drive pto clutch rear discharge mower deck deck discharge chute blower body chute assembly grass catcher catcher door spring catcher door exhaust deflector exhaust screen (removable) catch...

  • Page 51: Operating Instructions

    Operating instructions 47 general information the grass handling system (ghs) consists of a rear discharge mower deck connected to a 10.5 in. (27 cm) blower and a rear mounted grass catcher with 9.5 bushel (335 liters) capacity or optional 7.0 bushel (246 liters) capacity. The ghs blower oper- ates ...

  • Page 52: Operating Instructions

    Operating instructions 48 clogging checklist in case of clogging, there will be a distinct change in the sound of the blower, i.E., the blower sound will stop. Also, the mower deck will begin to leave a trail of grass clippings. When this occurs, stop the engine, disconnect the spark plug wires, and...

  • Page 53: Operating Instructions

    Operating instructions 49 • check that the openings in the removable air exhaust screen in the grass catcher are not plugged. If the screen is clogged, refer to cleaning the ghs exhaust screen in this section. Note: an optional exhaust screen with larger holes (3/4 ") is available for use when mowin...

  • Page 54: Operating Instructions

    Operating instructions 50 dumping the catcher for dumping, the catcher either tailgate dumps into a disposal area or dumps into the optional dump bag. The dump bag is a reusable nylon fabric bag designed to conveniently move grass clippings from the catcher to a remote disposal area or container. Ta...

  • Page 55: Operating Instructions

    Operating instructions 51 dumping catcher into dump bag 5. Lower the catcher smoothly down to the normal operating position. Do not allow the catcher to drop down - the gas spring, that holds the catcher in the raised position, is not a shock absorber for lowering the catcher. 6. Close the door by h...

  • Page 56: Operating Instructions

    Operating instructions 52 hi-dump ® option when equipped with the optional hi-dump ® system, the operator raises and dumps the catcher while sit- ting in the seat. Two toggle switches operate independent hydraulic cylinders to raise and lower the catcher. The back door automatically opens and closes...

  • Page 57: Operating Instructions

    Operating instructions 53 power dump components grass catcher cable guide catcher door gas spring catcher door cable rod guide cable assembly fork lift channel door actuator arm gas spring rubber bumper power dump ram actuator dog leg assembly actuator mount assembly.

  • Page 58: Operating Instructions

    Operating instructions 54 grass catcher cable guide catcher door gas spring catcher door cable assembly lift channel lift cylinder reservoir/power unit dump toggle switch lift toggle switch control lift rod control lift rod safety lockout arm door actuator arm gas spring assembly catcher pivot arm d...

  • Page 59: Maintenance Instructions

    Maintenance instructions 55 maintenance schedule chart - recommended service intervals - model mt, mtl, mtefi, mtlefi service item daily 25 hours 100 hours 200 hours yearly every 2years ref. Page check engine crankcase oil level x 57 check/clean engine air cooling system* x 66 check coolant level, r...

  • Page 60: Maintenance Instructions

    Maintenance instructions kohler tips 56 important tips for care of the kohler engine fuel system • fuel must be clean - free from water, dirt, and or- ganic material. • change fuel filter on a regular basis and when contamination is suspected or found in the fuel. • on the model mtefi, the fuel syst...

  • Page 61: Maintenance Instructions

    Maintenance instructions kohler tips/lubrication 57 oil • use only multi-viscosity oils as specified with the viscosity matching ambient temperatures for the en- gine operating conditions. This will aid starting in cold weather and assure proper lubrication in hot weather. • use only kohler oil filt...

  • Page 62: Maintenance Instructions

    Maintenance instructions lubrication 58 changing engine crankcase oil/oil filter for model mt and mtefi, change the engine crank- case oil after every 100 hours of operation and re- place the oil filter every other oil change ( every 200 hours of operation). For model mtl, change the engine crankcas...

  • Page 63: Maintenance Instructions

    Maintenance instructions lubrication 59 mower deck gearboxes (shown with gearbox cover removed for clarity) 2. Clean the area around the individual gearbox cover plates to prevent contaminants from en- tering the gearcase. 3. Remove the screws securing the cover plates on the blade drive gearboxes. ...

  • Page 64: Maintenance Instructions

    Maintenance instructions lubrication 60 gearbox, dolly wheel, and u-joint lubrication tractor pto gearbox lubrication checking gearbox oil level check the gearbox oil level every 25 hours, and if necessary, add oil [sae e.P. (extreme pressure) 80w-90 (api gl-5) gear lube] to maintain oil level to th...

  • Page 65: Maintenance Instructions

    Maintenance instructions lubrication 61 2. Remove the reservoir cap and check the level of the fluid. The reservoir has a fluid level cold mark and hot mark. The reservoir oil level should always be at or above the cold mark and never above the hot mark. Transmission reservoir and air bleed plug loc...

  • Page 66: Maintenance Instructions

    Maintenance instructions lubrication 62 ident lubrication no. No. Location type places ident lubrication no. No. Location type places 1 deck caster wheel fork pivot grease 2 2 deck caster wheel bearing grease 2 3 tee gearbox, deck oil * 1 4 blade drive gearbox oil * 2 5 universal joint shaft assembl...

  • Page 67: Maintenance Instructions

    Maintenance instructions lubrication 63 chassis and deck lubrication points 2 2 3 1 1 5 4 4 7 7 8 8 6 6 6 6 10 11 9 13 13 12 15 16 14 14 18 19 19 17 21 & 36 22 22 21 24 25 23 27 27 26 29 30 30 & 35 28 32 33 31 34 34 20

  • Page 68: Maintenance Instructions

    Maintenance instructions cleaning 64 cleaning engine air cleaner system there are two main components in the engine air cleaner system: a turbine precleaner and a donald- son radialseal™ air cleaner. Each component is checked, cleaned and maintained on a different schedule based on the filtering act...

  • Page 69: Maintenance Instructions

    Maintenance instructions cleaning 65 donaldson radialseal™ air cleaner a remote mounted donaldson radialseal™ air cleaner provides the air filtering function. The paper filter element slides over an outlet tube inside the air cleaner canister with radial sealing action, eliminat- ing the possibility...

  • Page 70: Maintenance Instructions

    Maintenance instructions cleaning 66 4. Use a bright light inside the element to inspect for damage. Check the element very carefully for pin holes or other damage that will allow dirt to leak through the paper media. Replace element if necessary. 5. Without removing, visually inspect the condition ...

  • Page 71: Maintenance Instructions

    Maintenance instructions cleaning 67 cylinder head cooling fins it is essential for performance and longevity of the air-cooled engine to keep the cylinder head cooling fins clean and free of obstruction. After every 8 hours of operation, check the performance of the cooling system by starting the e...

  • Page 72: Maintenance Instructions

    Maintenance instructions cleaning 68 flushing radiator and changing coolant change engine coolant every year. Drain the cool- ant from the engine and radiator: 1. Remove the radiator cap. 2. Open the drain cocks on the engine block and radiator (see the kohler owner's manual for lo- cation of the dr...

  • Page 73: Maintenance Instructions

    Maintenance instructions cleaning 69 ghs blower normally, the ghs blower operates with no mainte- nance or cleaning. However, when mowing grass that is dirty and damp (especially springtime mow- ing), a deposit of dirt may accumulate inside the blower housing, causing wear and binding of the blower ...

  • Page 74: Maintenance Instructions

    70 maintenance instructions cleaning/ checking/servicing an additional procedure in maintaining transmission cooling is to inspect the cooling fans. Replace the fan(s) if blades are missing or damaged. Hydrostatic transmission cooling fins checking/servicing engine cooling system - mtl coolant level...

  • Page 75: Maintenance Instructions

    71 maintenance instructions checking/servicing battery note: for initial battery service during setup, re- fer to battery service in assembly instructions . Important: make sure battery is securely mount- ed in the frame. A loose battery may cause damage to the case resulting in acid leakage and sev...

  • Page 76: Maintenance Instructions

    72 maintenance instructions checking/servicing tire pressure inflate tires to pressures shown below: deck caster wheel = 20 psi (137 kpa) drive = 15 psi (103 kpa) rear = 20 psi (137 kpa) wheel bolt torque check every 100 hours the eight (8) lug bolts that mount the drive tires. They should be torque...

  • Page 77: Maintenance Instructions

    Maintenance instructions checking/servicing 73 6. Check blade balance by positioning the blade horizontally on a blade balancer or use a nail or shaft through the center hole. If either end of the blade rotates downward, grind (remove) metal on that end until the blade will balance. The blade is pro...

  • Page 78: Maintenance Instructions

    74 maintenance instructions checking/servicing radiator hoses and clamps - mtl inspect the radiator hoses every 200 hours for de- terioration or damage. Also check the tightness of the hose clamps. Good preventive maintenance calls for complete replacement of the radiator hos- es and clamps every tw...

  • Page 79: Maintenance Instructions

    Maintenance instructions replacing/repairing 75 replacing/repairing important: always use genuine factory re- placement parts. Substitute parts can result in product malfunction and possible injury to the oper- ator and/or others. Drive belts there are four (4) individual belts on ghs models or thre...

  • Page 80: Maintenance Instructions

    Maintenance instructions replacing/repairing 76 engine pto drive belt (3 groove power band) 1. To remove the engine pto drive belt: a. Remove the jackshaft drive belt from its idler pulley (by pushing down on idler pul- ley) and let the belt drop down out of the way. Note: step (a) is not essential ...

  • Page 81: Maintenance Instructions

    Maintenance instructions replacing/repairing 77 jackshaft drive belt 1. To remove the jackshaft drive belt: a. Remove the engine pto drive belt, as described in previous section. Jackshaft drive belt (engaged) jackshaft drive belt (disengaged) idler pulley tension spring jackshaft drive belt push id...

  • Page 82: Maintenance Instructions

    Maintenance instructions replacing/repairing 78 ghs blower drive belt 1. Remove the ghs blower drive belt tension by depressing the idler pulley on the tightener arm. Roll the belt off the blower pulley and remove. Blower drive pulley depress idler pulley down to relax belt belt tightener idler pull...

  • Page 83: Maintenance Instructions

    Maintenance instructions replacing/repairing 79 hydrostatic ground drive belt 1. To remove the hydrostatic ground drive belt: a. Raise the spring-loaded belt tightener arm and idler pulley to relax belt. B. Slide belt off pulleys, then release the idler. Hydrostatic ground drive belt idler pulley be...

  • Page 84: Maintenance Instructions

    Maintenance instructions replacing/repairing 80 fuel filter - model mt and mtl models mt and mtl are each equipped with an in- line fuel filter. Visually inspect the filter periodically, and replace the filter yearly. Fuel filter location important: replace the fuel filter only in a clean area where...

  • Page 85: Maintenance Instructions

    Maintenance instructions replacing/repairing 81 blade overload shear bolts note: shear bolts are not used on the dsd52 or dsd62 mower deck. The cutting blade is keyed to the blade hub by two (2) shear bolts (10-24 x 5/8 in. Stainless steel ma- chine screws). These bolts are designed to shear and pro...

  • Page 86: Maintenance Instructions

    82 maintenance instructions replacing/repairing mower blades mower blades are removed and remounted as de- scribed in sharpen mower blades instructions. During the course of sharpening and inspecting mower blades, if there are any of the following conditions of wear or damage, blades should be repla...

  • Page 87: Maintenance Instructions

    Maintenance instructions adjustments 83 adjustments steering levers an adjustment range of approximately 3 inches is available on the steering levers - the levers can be adjusted forward or aft depending on the arm length of the operator. The levers can be adjusted by loos- ening the locknut at the ...

  • Page 88: Maintenance Instructions

    Maintenance instructions adjustments 84 ghs signal horn adjustment (when horn sounds at wrong time) the vertical position of the grass-pak ® switch is crit- ical to make sure the catcher box does not overfill causing the delivery chute to clog. The vertical po- sition can be adjusted by bending the ...

  • Page 89

    85 date service engine item hours maintenance and service record sheet ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ _______...

  • Page 90: Operator’S Notes

    86 operator’s notes.

  • Page 91

    87 limited warranty for walker commercial rider mower 1. What this warranty covers, and for how long: walker manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which is found to be defective in material and/or workmanship within one (1) ye...

  • Page 92

    Tm walker mfg. Co. • 5925 e. Harmony road, fort collins, co 80528 • (970) 221-5614 form no. 040107 printed in usa www.Walkermowers.Com © 2007 walker mfg. Co sound - model mt sound test sound test conducted was in accordance with council directive 2000/14/eec and was performed on 28 february 06 under...