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Walker Rider Lawnmowers MBK, Owner'S Manual

The Walker Rider Lawnmowers MBK is an exceptional piece of machinery that guarantees a well-maintained lawn. Unlock the full potential of this product by accessing the comprehensive Owner's Manual for free. Enjoy the convenience of downloading the manual from our website to obtain all the necessary instructions for optimal performance.

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Summary of Contents for MBK

Page 1: ...nd Maintenance Instructions and ILLUSTRATED PARTS MANUAL Model MBV 18 HP Model MBK 18 HP Please Read and Save These Instructions Effective Date 04 01 10 For Safety Read All Safety and Operation P N 4000 4 Instructions Prior to Operating Machine ...

Page 2: ...help prevent possible injury to the operator or others If any thing in this manual is confusing or hard to understand please contact your local authorized dealer or call our service department at 970 221 5614 for clarification before operating or servicing this mower This manual covers Model MBV with the Briggs Stratton Vanguard 18 0 HP gasoline engine and Model MBK with the Kohler Command CH18 18...

Page 3: ...N LOCATION AND FUNCTION _ _____________ 26 Ignition Switch________________________ 26 Engine Choke_________________________ 27 Engine Throttle________________________ 27 Forward Speed Control FSC ____________ 27 Steering Levers_______________________ 27 Blade Clutch PTO _____________________ 27 Parking Brake_________________________ 28 Transaxle Lockout Rods_ _______________ 28 Hourmeter__________...

Page 4: ... Filter_ ___________________________ 60 Blade Overload Shear Bolts_____________ 61 PTO Shear Pin_ ________________________ 61 Mower Blades_________________________ 62 ADJUSTMENTS_________________________ 63 Transmission Control__________________ 63 Steering Lever Position Adjustment_ ______ 63 Steering Handles Adjustment____________ 64 Neutral Position Adjustment_____________ 64 Full Forward Speed...

Page 5: ...the ground drive belt to the main drive wheel LEFT HAND LH refers to the left hand side of the tractor when the operator is seated facing forward in the tractor seat POWER TAKE OFF PTO transmits engine power to run the cutter blades RIGHT HAND RH refers to the right hand side of the tractor when the operator is seated facing forward in the tractor seat SIDE DISCHARGE SD mows but does not collect t...

Page 6: ...utine maintenance and general service in structions are provided For the service of these components during the limited warranty period it is important to find a local authorized servicing agent of the component manufacturer Any unauthorized work done on these components during the war ranty period may void the warranty If you have any difficulty finding an authorized outlet or obtaining warranty ...

Page 7: ...5W 30 Viscositybelow32 F 0 C Oil Filter 492932 12 050 01 Fuel Tank Capacity 3 Gallons 11 35 liters 3 Gallons 11 35 liters Fuel Automotive Grade Unleaded Gasoline 87 Octane Automotive Grade Unleaded Gasoline 87 Octane Cooling System Air Cooled Air Cooled ELECTRICAL SYSTEM Battery 12 Volt 275 CCA 12 Volt 275 CCA Charging System Flywheel Alternator Flywheel Alternator Charging Output 16 Amp DC Regula...

Page 8: ...um SL Grade Oil Transmission Fluid Capacity 79 fl oz 2336 ml 79 fl oz 2336 ml Transmission Cooling Cooling Fan Mounted on Drive Pulley Cooling Fan Mounted on Drive Pulley Ground Travel Speed Forward m p h km h Reverse m p h km h 0 8 0 13 Infinitely Variable 0 8 0 13 Infinitely Variable 0 8 0 13 Infinitely Variable 0 8 0 13 Infinitely Variable BLADE DRIVE PTO Shaft Sliding Spline Shaft with Two Hig...

Page 9: ...n 107 cm SD Model with Deflector 47 3 4 in 121 cm 47 3 4 in 121 cm 48 in 122 cm SD Model with Deflector 53 3 4 in 137 cm 53 3 4 in 137 cm 52 in 132 cm SD Model with Deflector 63 in 160 cm 56 in 142 cm SD Model with Deflector 61 3 4 in 157 cm 61 3 4 in 157 cm Height 40 1 2 in 103 cm 40 1 2 in 103 cm Wheel Base Tractor 38 1 2 in 98 cm 38 1 2 in 98 cm Tread Width Tractor 29 3 4 in 76 cm 29 3 4 in 76 ...

Page 10: ...k wise Rotating Blades with a 2 in 5 cm Center Overlap Deck Suspension Torsion Flex Frame with Caster Wheels and Counterweight Springs Torsion Flex Frame with Caster Wheels and Counterweight Springs CURB WEIGHT Approximate Tractor Only 562 lb 255 kg 560 lb 254 kg SD Tractor and 36 in SD Deck 696 lb 316 kg 696 lb 316 kg SD Tractor and 42 in SD Deck 775 lb 352 kg 773 lb 351 kg SD Tractor and 48 in S...

Page 11: ...r Wheels Deck Discharge Shield Deck Lift Handle Cutting Height Adjustment Tilt Up Hook Tilt Up Latch Tilt Up Deck Handle Footrests Deck Support Pin and Height Adjustment Hitch Pins Counterweight Spring and Protective Cover Deck Support Arm Footrests Deck Support Arm Forward Speed Control FSC Friction Adjustment Positive Battery Cable Negative Battery Cable ...

Page 12: ...tification 8 Rear View and Left Side View Left Hand Drive Wheel Cylinder Head Cooling Fins Fuel Tank and Cap Muffler Tailpipe Tailwheel Fork and Wheel Fuel Pickup Line Oil Fill Spread Tail Wheel NOTE Model MBK Shown ...

Page 13: ...l Tank Oil Dipstick Muffler Guard Oil Fill Rubber Bumpers Body Support Parking Brake Steering Lever Dampeners RH Transmission Control Arm LH Transmission Control Arm Transaxle Expansion Reservoir Air Cleaner Cover Latch Air Cleaner Cover LH Transaxle LH Transaxle Lockout Rod Parking Brake Linkage Parking Brake Linkage Fuel Pickup Line Fuel Filter Fuel Pump ...

Page 14: ...l Tank Cap Fuel Pickup Line Fuel Tank Oil Fill Dipstick Rubber Bumpers Body Support RH Transmission Control Arm LH Transmission Control Arm Steering Lever Dampening Springs LH Transaxle LH Transaxle Lockout Rod Parking Brake Linkage Parking Brake Linkage Fuel Filter Not Visible Fuel Pump Air Cleaner Cover Latch Air Cleaner Cover Transaxle Expansion Reservoir ...

Page 15: ... by Walker Manufacturing must take full responsibility for safety The Walker Rider Lawnmower has been designed withmanysafetyfeaturestoprotecttheoperatorfrom personal harm or injury However it is necessary for the operator to use safe operating procedures at all times Failure to follow safety instructions con tained in this manual may result in personal in jury or damage to equipment or property I...

Page 16: ... DISENGAGED position Also the en gine should stop if the operator lifts off the seat with the PTO clutch in the ENGAGED position 10 Handle gasoline 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 allowhotenginetocoolseveralmin utes c Keep matches cigarettes cigars pipes open flames or sparks awa...

Page 17: ...ving slowly engage the parking brake NOTE This is exactly the same procedure used to normally stop and park the machine 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 adequate...

Page 18: ...rn the engine off before leaving the seat b LOOK to make sure blade drive shaft movement has stopped before trying to un clog the system c Disconnect the spark plug wires d Never place hands under the deck use a stick or similar tool to remove clogged ma terial 17 If the cutting blades strike a solid object or the machine begins to vibrate abnormally immediately disengage the blade clutch PTO stop...

Page 19: ...rsely affects its operation perfor mance durability or use will VOID the war ranty and may cause hazardous conditions 8 Never attempt to disconnect any safety devices or defeat the purpose of these safety devices 9 Do not change the engine governor settings or overspeed the engine The governor has been factory set for maximum safe engine operating speed 10 Use genuine factory replacement parts Sub...

Page 20: ...eplacement should be ordered and installed before putting the machine into operation The Decal Part Number is listed below and in the Parts Section Each End of Mower Deck 5808 All Decks Except DSD56 5808 1 DSD56 Deck SD Deck Discharge Shield 5848 Rear Body Above Muffler 5805 Deck Gearbox Cover 5807 3 LH Fender 5802 2 RH Fender 5802 1 Flex Coupling Guard Both Sides 4107 1 ...

Page 21: ...should be ordered and installed before putting the machine into operation The Decal Part Number is listed below and in the Parts Section Deck Carrier Frame 8647 Deck Carrier Frame 8653 Deck Carrier Frame 5865 Blade Clutch on Front Body Adjacent to RH Steering Lever 4107 6 Center Body Behind Transaxles 9804 Engine Shroud 5855 Model MBK only Parking Brake 4406 8 Belt Routing 4107 10 ...

Page 22: ...e through the wheel hub position the spacer washer on each side of the hub if used and fit the assembly into the wheel fork 3 Insert the 3 8 16 x 4 1 2 in bolt through the wheel fork with the bolt head to the outside and install the 3 8 16 in Keps nut 4 Tighten the bolt and nut until the axle spacer tube bottoms against the inside of the wheel fork will not turn while the wheel and spacer washers ...

Page 23: ...location of deck support arm Deck Support Arms Mower Deck Installation 2 Engage the deck carrier frame tube sockets on the tractor support arms refer to PTO Shaft Guard Installation photo for socket location Slide the deck onto the support arms approxi mately 3 in 76 mm 3 Align and connect the splined PTO shaft and socket halves as shown in PTO Shaft Connec tion photo The PTO shaft has a pilot end...

Page 24: ...al help is required Refer to Deck Counterweight Spring Installation photo Deck Installation Model MBK 1 Lightly grease each deck support arm 2 on the tractor Refer to Mower Deck Installation pho to for location of deck support arm 2 Engage the deck carrier frame tube sockets on the tractor support arms refer to PTO Shaft Guard Installation photo for socket location slide the deck onto the support ...

Page 25: ...ll on the shaft to check for security Spring Loaded Coupler Ring In Fully Forward Position Coupler Ring Locked Position 8 Raise the mower body instead of lifting the front of deck and clip the counterweight springs to the receptacle on front of body Lower the body to tension the springs Refer to Deck Counterweight Spring Installation photo 9 With the counterweight springs connected the weight on t...

Page 26: ...im under the deck support pins on the low side to level the deck 3 Check the front to rear level Rotate the blades to point forward Measure the distance from bladetiptogroundonthefrontandrear Therear of the blade should be 1 8 to 1 4 in 3 to 6 mm higher than the front of the blade shim the rear or front deck support pins equally to achieve at least 1 8 in 3 mm difference NOTE The mower deck and su...

Page 27: ...e of these items will not need to be checked every day but the operator should be aware of the condition of each For proper fuel and lubricants refer to Specifications CHECK BODY ROD IN STOWED POSITION Check that body rod is secured in the stowed posi tion before lowering body Refer to Body Rod in Stowed Position photo Body Rod Body Rod in Engaged Position Body Rod Body Rod in Stowed Position FILL...

Page 28: ...tion cleanliness and security of the complete air cleaner system inspect air filter every 100 hours For detailed procedures re fer to CLEANING the Engine Air Cleaner Sys tem in Maintenance Instructions CHECK ENGINE COOLING SYSTEM Check that the engine cooling air intake screen is free of obstruction by grass clippings or debris and clean if required Also cylinder head cooling fins should be inspec...

Page 29: ...CONDITION SHARPNESS AND SECURITY OF MOUNT ING Theblademountingnutshouldbetightenedto60ft lb 81 3 N m If blade sharpening is required refer to CHECKING SERVICING for Sharpen Mower Blades in MaintenanceInstructions ADJUST MOWER CUTTING HEIGHT IF RE QUIRED Position the hitch pins in the four deck support pins Refer to the Cutting Height Adjustment decal on the deck gearbox cover PERFORM ANY ADDITIONA...

Page 30: ...returns to after starting and S is the START position When starting the engine turn the key clockwise to the S position Do not hold the key in the S position longer than 10 seconds If the engine does not start return the key to the O position for at least 60 seconds before making a restart attempt Prolonged cranking can damage the starter motor and shorten battery life Release the key when the eng...

Page 31: ...speed is proportional to the lever position the further the lever is advanced forward the faster the tractor moves It is not necessary to hold the FSC in posi tion since the friction lock maintains the selected lever position Pulling back on the steering levers overrides the FSC setting and slows or stops for ward travel Releasing the steering levers allows the tractor to resume forward travel at ...

Page 32: ...without the engine running e g for service Refer to TRANSAXLE LOCKOUTS in this section for operating instructions NOTE The transaxle lockout rods ends should be completely retracted against the body otherwise op eration of the transaxle may be erratic Hydro Lockout Rods Hydro Lockout Rod Location Hourmeter The hourmeter which is located on the right front of the body displays operating time accumu...

Page 33: ...so Establishes the Neutral Park Position of the Steering Levers Full Forward Ground Speed Position Reverse Drive Wheel Motion Position Neutral Park Position Fast Throttle Position Idle Position LEFT WHEEL STEERING LEVER FORWARD SPEED CONTROL LEVER FSC Neutral Park Position Intermediate Ground Speed Position Fast Throttle Position Idle Position Engaged Position Disengaged Position Engaged Position ...

Page 34: ... the key to RUN position as soon as the engine starts NOTE The choke may not be required if the engine is warm IMPORTANT DO NOT crank the engine con tinuously for more than 10 seconds at a time If the engine does not start turn the key to the OFF position and allow a 60 second cool down period between starting attempts Failure to fol low these guidelines can damage the starter motor and shorten ba...

Page 35: ...erator Hand Position on the Controls Beginning Recommendations are Learn operation of the mower in an open area away from buildings fences and ob structions Learn operation on flat ground BEFORE operating on slopes Start maneuvering the mower with SLOW engine speed and SLOW Forward Speed Control setting until familiar with all operat ing characteristics Remember it is not necessary to hold the ste...

Page 36: ...mission control needs to be adjusted Refer to ADJUSTMENTS of Trans mission Control in Maintenance Instructions ENGAGING THE MOWER 1 Set the engine throttle at about 1 3 speed Do not attempt to engage the blade clutch at high engine speeds This will drastically short en drive belt life Use only moderate engine speed when engaging the blade clutch 2 Push the blade clutch lever SLOWLY forward to en g...

Page 37: ...ng the mower Contact your Walker dealer 4 Turn the ignition switch OFF WARNING Remove the key from the ignition switch when leaving the mower unattended This will prevent children and inexperienced operators from starting the engine 5 Engage the parking brake Also engaging the parking brake is recommended when stopping or parking the machine in a confined space with little tolerance for movement I...

Page 38: ...reewheel with the rods in the LOCKOUT position The levers must be in the highest position to completely unlock the trans missions Hydro Lockout Rod Hydro Lockout Rod Freewheel Position 4 After moving the mower release the rods plac ing them in the normal OPERATING position The transmission rod ends should be complete ly retracted against the chassis otherwise op eration of the transmission maybe e...

Page 39: ...eling in Assembly In structions Use an alternating stripe mowing pattern for best appearance and vary the direction of the stripe each time the grass is mowed to avoid wear patterns in the grass Avoid damage to the grass by slipping and skid ding of the drive tires Use smooth control move ments of the steering levers since the transaxles are power boosted controls and jerk ing the levers can easil...

Page 40: ...t up configuration should only be used when the tractor is parked The tractor body should never be tilted for ward with the deck in the tilt up position This can cause the deck to unhook from the tractor and fall with considerable force potentially causing deck or tractor damage and or bodily injury When transporting a tractor with the deck in the tilt up position on a truck or trailer the deck sh...

Page 41: ... 48 Check Air Filter Element Δ x 49 Check Regap Spark Plugs x 55 Change Engine Crankcase Oil MBK x 42 Change Engine Oil Filter MBK x 42 Change Transaxle Oil and Filter x 46 Replace Fuel Filter x 60 Check FSC Friction Lock x 56 Check Fuel Lines and Clamps x 55 Replace Air Filter Element and Dust Ejection Valve Δ x 50 Service Solenoid Shift Starter MBK x 55 Check PTO U Joints for Wear Looseness x 55...

Page 42: ...ng fins Air Cleaner System Use only Cummins Fleetguard air cleaner elements Aftermarket elements may not seal in the air cleaner housing allowing dirt to enter the engine Also aftermarket filters often skimp on the filtration media and require more frequent replacement see following instructions Use the air flow restriction gauge to indicate the need to service the air filter DO NOT overservice or...

Page 43: ...orecoolingairthroughtheenginecool ingfins Air Cleaner System Use only Cummins Fleetguard air cleaner elements Aftermarket elements may not seal in the air cleaner housing allowing dirt to enter the engine Also aftermarket filters often skimp on the filtration media and require more frequent replacement see following instructions Use the air flow restriction gauge to indicate the need to service th...

Page 44: ...TANT NEVER check or add oil with the engine running 2 Before removing the dipstick clean the area around the dipstick to keep any dirt or debris out of the engine 3 Remove the dipstick wipe off with a clean rag then reinsert the dipstick into the tube and press all the way down 4 Remove the dipstick again and check the oil lev el on the dipstick The oil level should be within the Operating Range o...

Page 45: ...oil filter on the engine Turn the oil filter clockwise until the rubber gasket con tacts the sealing surface then tighten the filter an additional 1 2 to 3 4 turn 8 Reinstall the drain plug 9 Fill the crankcase with new clean oil Use only crankcase lubricants recommended by the en gine manufacturer Refer to Specifications in this manual or the engine owner s manual Use the recommended oil viscosit...

Page 46: ... Remove the dipstick again and check the oil lev el on the dipstick The oil level should be within the Operating Range on the dipstick between the L mark and the F mark IMPORTANT DO NOT operate engine without a sufficient oil supply in the crankcase DO NOT operate with the oil level below the L mark or above the F mark on the dipstick 5 If additional oil is needed refer to Specifications for prope...

Page 47: ...and as sure proper lubrication in hot weather Fill up to but not above the F mark on the dip stick Crankcase capacity is 1 85 quarts 1 75 liters plus 1 2 pint 0 24 liters for the new oil filter IMPORTANT Check the dipstick reading be fore adding the last 1 2 pint of oil and fill only to the F mark DO NOT overfill the crankcase oil above F mark as this CAN result in en gine overheating loss of powe...

Page 48: ...1 15 PTO Clutch Lever Pivot Grease 1 16 Transaxle Oil Reservoir Oil 20W 50 1 17 Clutch Engagement Pivot Grease 1 18 Rear Wheel Pivot Grease 2 19 Tail Wheel Caster Pivot Grease 1 20 Rear Wheel Bearing Grease 2 21 Engine Oil MBK Oil 1 22 Throttle Control Cable Ends MBV Oil 2 23 Engine Oil Filler Oil 1 24 Choke Control Cable Ends MBV Oil 2 25 Parking Brake Lever Grease 1 26 Parking Brake Clevis Oil 2...

Page 49: ...Maintenance Instructions lubrication 45 Chassis and Deck Lubrication Points 1 3 4 5 7 7 8 9 10 26 25 26 6 1 2 4 7 6 7 11 24 27 22 28 24 17 2 14 14 13 16 11 15 23 22 21 12 18 19 18 20 ...

Page 50: ...fill the gear drive assembly NOTE Since the gearboxes are connected as a unit by connector tubes it is necessary to add oil slowly Allow a few minutes after adding oil for the oil to flow throughout the assembly and the oil level to stabilize before reassembly IMPORTANT DO NOT overfill the deck gear boxes The gearbox assembly is not vented and overfilling with oil will cause excessive pres sure an...

Page 51: ...the transaxles sound noisy or have poor steer ing response recheck oil level in both transax les by removing the elbows check oil level at fill opening 11 If oil needs to be added refer back to steps 4 10 CLEANING CAUTION If a pressure washer is used on the ex posed working parts avoid water on the electricalpartsandtheenginecoolingsys tem Engine Air Cooling System To prevent engine overheating an...

Page 52: ...holding a hand adjacent to the cylinder head and feeling the cooling airflow If there is little or no airflow clean the cooling fins as follows DAnger Make sure to keep hands clear of exhaust pipe muffler and moving parts when checking airflow Check Airflow with Hand Cooling System Airflow Every 100 hours inspect and clean the cooling fins more often when operating in extremely dusty dirty conditi...

Page 53: ...gauge on the air cleaner outlet to indicate when the air filter needs servicing a red flag will appear when the filter is overly restricting airflow into the engine IMPORTANT Use only Cummins Fleetguard air filter elements for replacement Walker 2090 1 or 2090 3 Aftermarket filters may not seal properly or filter efficiently IMPORTANT The Cummins Fleetguard air cleaner uses a dry paper type air fi...

Page 54: ...with compressed air 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 of the safety filter for damage or holes The safety filter should only be removed for yearly replacement or when dirty or d...

Page 55: ... tilting action 2 Using the carrier frame lift handle raise deck to the TILT UP position and insert the deck hook into the tilt up latch on the tractor body Tilt Up Latch Deck Secured in TILT UP Position DAnger Do not operate the mower with deck in tilt up position Do not move the tractor with the deck in the tilt up position 3 Clean grass buildup underneath the deck using a pressure washer and sc...

Page 56: ...ound the housing the fins underneath need to be clean as well as the more visible fins above Also pay close attention to the area under the drive pul ley IMPORTANT In case an oil leak develops on the input shaft the cooling fan blowing dusty air and oil on the transmission will quickly pack the cooling fins with oily dirt If this condition occurs contact your dealer immediately to avoid overheatin...

Page 57: ...f one part baking soda and four parts water Rinse with clean water Coat the terminals with petroleum jelly or terminal protector spray to retard further corrosion Charging the Battery danger BATTERIES PRODUCE EXPLOSIVE GASES Charge the battery in a well ventilated area so that gases produced while charg ing can dissipate Keep sparks flames and smoking ma terials away from the battery at all times ...

Page 58: ... the blade cutting edge is dull or nicked it should be sharpened Remove blades for sharpening by grasping the end of the blade us ing a rag or a thick padded glove while loosen ing and removing the nut lock washer and flat washer that mounts the blade 5 Grind cutting edge at the same bevel as the original Sharpen only the top of the cutting edge to maintain sharpness NOTE Blades can be sharpened w...

Page 59: ...ly Breaker Points Model MBV The Briggs Stratton engine is equipped with elec tronic ignition No breaker points maintenance or adjustments are necessary with this system Con tact an authorized Briggs Stratton engine dealer in case of ignition failure Fuel Lines and Clamps Every year inspect the fuel line from the tank to engine for deterioration or damage Also inspect the fuel line clamps for tight...

Page 60: ...ward Speed Control FSC and PTO disengaged and panel horn works but the starter is not engaging Forward Speed Control Friction Lock The FSC friction lock is designed to hold the se lected forward travel speed when the steering le vers are moved and yet the friction is not too heavy to make moving the FSC control difficult too much friction The procedure for checking the FSC fric tion lock is as fol...

Page 61: ... wires IMPORTANT ALWAYS use genuine factory re placement parts Substitute parts CAN result in product malfunction and possible injury to the op erator and or others Drive Belts There are three 3 individual belts on the ma chine Engine PTO Belt Matched Set Ground Drive Belt The belts may be removed and replaced using the procedures described on the following pages Belt Locations Ground Drive Belt E...

Page 62: ...s Open Engine Hidden for Clarity 2 To replace the engine PTO belt a Reverse the removal procedure to replace the engine belt b Secure wire on lock pin above tab on lower PTO guard Engine PTO Belt Belt Guards Closed Engine Hidden for Clarity Engine PTO Belt Matched Set PTO Pulley PTO Guard Right Hand Guard Lower LH Guard Upper LH Guard Idler Arm Wire Lock Pins Wire Lock Pin Secure wire above tab PT...

Page 63: ...elt off pulleys then release the idler Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the ground drive belt Ground Drive Belt Assembly Engaged Depress Idler Pulley to Relax Belt Tension Spring LH Transaxle RH Transaxle Drive Pulley Idler Pulley Ground Drive Belt LH Transaxle RH Transaxle Drive Pulley Idler Pulley Ground Drive Belt ...

Page 64: ...n a clean area where the fuel line and connections will not be contaminated by any dust and dirt DANGER Gasoline is extremely flammable and can be highly explosive To minimize danger Use only an approved fuel container for gasoline DO NOT allow open flames or sparks near the machine while performing main tenance or refueling DO NOT smoke while working with fuel Wipe up spilled gasoline immediately...

Page 65: ...box has a shear pin to provide shock load protection to the mower deck drive This system provides pri mary shock protection in case of blade impact and will normally shear before the individual shear bolts on the blade hub When the PTO pin has sheared use the following procedure to replace it 1 Loosen the two bolts securing the PTO shaft guard on the deck lift the guard off Holes in guard are slot...

Page 66: ... sandy soil and if blades are allowed to wear a slot may be worn into the wing tip of blade Eventually a piece of the blade may break off creating a serious potential for injury or damage Check the blades for straightness by marking blade tip position inside the deck housing and then rotating the opposite end of the blade to the same position and comparing If the difference in blade tip track is m...

Page 67: ... 1 NOTE For proper operation the steering levers should be adjusted to sit evenly using the following procedure 1 Examine the steering levers to make sure they are parallel front to back in relation to one an other If they are not equal adjust accordingly The handles may or may not be even at this point NOTE The LH steering lever is non adjust able This procedure will require adjustment of the RH ...

Page 68: ...osition and tighten both locknuts Adjustment Slide Locknut Position Locknut Pivot Point Steering Lever Adjustment Neutral Position Adjustment Step 3 1 With the Forward Speed Control FSC in NEU TRAL the lever should be straight up Adjust by loosening the jam nuts on the FSC Rod and turn the rod to attain the straight up position Tighten the jam nuts FSC Position 4 in 101 6 mm Steering Adjustment 2 ...

Page 69: ...FSC in the NEUTRAL position and the en gine running the wheels should not move If a drive tire is moving the Control Rod on that side is out of adjustment Adjust that side to achieve neutral Now both transaxles are in the neutral window Control Rods Neutral Window 6 One at a time adjust the left and right Control Rods to find the center of the neutral window Shorten the rods until the drive tire t...

Page 70: ...ob serve if the mower moves in a straight line use cement joint or other line on ground for refer ence 3 If travel is not straight shorten the control rod of the slow side adjust in 1 8 turn increments to match the faster side while maintaining the neu tral position If straight tracking and neutral can not be achieved turn the control rod back to where neutral can be achieved 4 Lengthenthecontrolr...

Page 71: ...ustment Step 7 FSC Position With Levers 1 Place the FSC in the full FORWARD position and pull both steering levers back the FSC lever should not move If the FSC lever moves back the friction needs to be increased 2 With the steering levers held back move the FSC lever back from the FORWARD position With a proper amount of friction adjusted the FSC le ver should move back with a slight amount of re...

Page 72: ...engaged To adjust length remove ball joint from clutch arm shorten the clutch rod to decrease this measurement or lengthen the clutch rod to increase this measurement If adjust ments are needed more frequently than every 100 hours to maintain dimensions it may suggest prob lems with pulley wear or belt misalignment NOTE Do not allow clutch arm to bottom out the plunger on safety switch Adjust swit...

Page 73: ...h Disengaged Use the following procedures to check and adjust clutch disengagement and brake action Idler Pulley Maximum Travel Adjustment Step 1 Loosen the brake band adjustment nut allowing stop arm and stop nut to make contact refer to Blade Brake BandAdjustment illustration 1 Adjust the pivot stop bolt to give 1 in to 1 1 8 in 25 mm to 29 mm pulley travel from clutch en gaged to clutch disenga...

Page 74: ...be necessary to adjust the blade brake band nut to maintain these dimensions CLUTCH DISENGAGED CLUTCH ENGAGED 5 8 in to 3 4 in 16 mm to 19 mm Clutch Idler Pulley Travel Adjustment Blade Brake Band Adjustment Nut Blade Brake Band Chassis Mount Ref Blade Brake Band Adjustment 2 After adjustments are complete check blade brake action as described in CHECKING SER VICING the Blade Brake Action in this ...

Page 75: ... level surface if any pin is sticking up likely the front pins tighten the opposite side or loosen the same side to lower the pin Adjustments are made by loosening the jam nut and tightening or loosen ing the set screws on the Deck Mount Pivot Brack ets Retighten the jam nut when the adjustment is complete Jam Nut Set Screw Tilt Up Deck Adjustable Stop ELECTRICAL SYSTEM For troubleshooting refer t...

Page 76: ...1 8 5803 Walker Manufacturing Logo Body 1 Danger Decals Warning Decals Caution Decals 9 5805 Caution Engine Exhaust Rear Body 1 10 4107 10 Decal Belt Routing Rear Body Underside 1 11 4107 1 Danger Rotating Components Flex Coupling Guard RH 2 Maintenance Decals 12 4105 8 Decal RH 18HP Rear Body RH Side 1 13 4105 9 Decal LH 18HP Rear Body LH Side 1 14 5855 Important Engine Cooling Engine 1 15 6875 P...

Page 77: ...73 Effective Date 01 01 10 Use only genuine Walker replacement parts Refer to Decks Parts Manual for Deck Decals 9 2 1 6 15 14 10 3 3 7 8 13 12 11 11 4 16 5 5 TRACTOR DECALS ...

Page 78: ...heel 5 1 8 2 42 8768 2 Seal Reverse Lip 4 43 8037 Bearing Cone 3 4 ID 4 44 8768 Caster Wheel Pneumatic 11 x 4 00 5 2 8768 3 Tire Pneumatic 11 x 4 00 5 8768 5 Caster Wheel 5 x 3 45 8766 Axle Nut 3 4 16 2 Deck Support Arm Hitch Assemblies 46 4300 13 DeckArm Support Mount 1 47 6840 1 SupportArm Bushing 2 1 16 2 48 4431 1 Deck SupportArm LH Includes Item 35 1 49 5775 2 Hitch Pin 6 2 50 4430 1 Deck Sup...

Page 79: ... F120 F127 29 28 8 3 4 5 16 22 15 F227 F009 F005 F002 F116 27 26 25 24 6 7 18 18 18 F257 F025 F034 F034 F034 F009 F009 F430 F430 F009 F200 46 F200 F034 F025 17 F009 F009 F034 F475 F093 F009 F004 F381 F009 35 45 20 42 43 44 43 42 41 35 36 37 38 38 37 39 40 31 32 34 33 32 31 30 35 F034 F009 F009 23 F182 F172 F004 F388 F013 BODY CHASSIS ASSEMBLY Effective Date 01 01 10 Use only genuine Walker replace...

Page 80: ... W Hole 1 4 x 5 8 1 34 4411 2 Drive Shaft 1 35 4245 1 Idler Pulley 4 Flat 2 36 4230 1 Engine PTO Belt Matched Set 1 37 4236 4 Idler Pulley 4 AA 1 38 5214 2 Ball Joint 5 16 24 Nylon Lined 2 39 5226 1 Spring 3 4 x 2 1 2 1 40 7380 Knuckle Joint 1 41 4303 7 ClutchActuator Bolt 5 16 1 42 7377 Plastic Washer 1 x 438 025 2 43 7378 Pivot Bearing 7 16 x 9 16 1 44 4325 1 ClutchArm 1 45 5221 Extension Spring...

Page 81: ...009 F035 F120 F153 F153 F065 F120 F034 F211 F009 F120 F120 F120 F120 F058 F058 F031 F211 F381 F034 F290 8 9 7 10 7 11 34 35 35 30 29 28 27 26 27 31 32 F069 33 37 36 F051 F051 F041 F041 12 13 2 3 F350 F350 F350 F012 F004 F012 F004 20 19 14 15 3 F451 F449 F325 F005 F076 25 22 3 23 24 21 15 17 16 16 18 Refer to Engine Group Model MBV or MBK Refer to Body ChassisAssembly Refer to Hydrostatic Ground Dr...

Page 82: ...k 1 24 4046 Fuel Tank 3 0 Gal Gas 1 Fuel Cap Centered Includes Items 25 26 25 5082 2 Fuel Cap Seal 1 26 5082 Fuel Tank Cap 1 Includes Item 25 Choke and Throttle Assemblies 27 5975 3 Cable Tie 50 x 7 2 28 5108 1 Control Lever Throttle Choke 2 29 5108 5 Throttle Control Knob Red 1 30 5108 6 Choke Control Knob Black 1 31 7108 ControlAssembly 2 4108 4 Throttle Control and Cable Assembly Includes Item ...

Page 83: ... F201 F002 F002 F025 F005 16 37 F183 F034 F185 F268 F268 1 2 3 4 5 34 33 35 29 30 31 17 18 19 17 25 24 26 36 F185 F184 F184 F009 32 Refer to Body Chassis Assembly Refer to Body Chassis Assembly 27 28 15 F050 20 21 23 22 6 7 8 7 9 11 11 F004 F004 F050 F392 F004 F050 F032 F050 F009 F009 F179 10 12 13 14 F004 ...

Page 84: ... 24 5020 2 Fuel Filter In Tank 1 25 4046 Fuel Tank 3 0 Gal Gas 1 Fuel Cap Centered Includes Items 26 27 26 5082 2 Fuel Cap Seal 1 27 5082 Fuel Tank Cap 1 Includes Item 26 Choke and Throttle Assemblies 28 4108 3 Control Cable 64 1 29 2108 4 Control Cable 68 1 30 8123 Insulating Sleeve 3 8 x 6 1 31 5975 3 Cable Tie 50 x 7 2 32 5108 6 Choke Control Knob Black 1 33 5108 5 Throttle Control Knob Red 1 3...

Page 85: ...rts Refer to Body Chassis Assembly F009 F439 F175 F185 1 2 3 4 5 19 20 18 19 26 25 27 F185 F184 F184 Refer to Body Chassis Assembly 31 17 F164 F050 F201 F002 F002 F025 F005 38 37 39 33 32 35 29 28 36 34 F050 30 21 22 24 23 6 7 8 9 16 15 10 F009 11 12 11 F002 F002 13 14 F025 F025 13 F034 7 ...

Page 86: ...0 Handle Grip Red 1 36 5830 3 Grease Fitting 45 Deg 1 37 8655 4 Clevis Pin 5 16 x 3 4 2 38 4406 12 BrakeActuator Pull 1 39 2280 Clevis 3 8 1 40 2406 4 Clevis Pin 5 16 x 1 1 8 1 41 4406 5 Parking Brake Mount 1 42 4401 8 Parking Brake Pivot 1 43 4406 13 Parking BrakeActuator 1 44 5665 1 Compression Spring 2 1 2 2 45 4406 0 Parking Brake Link 1 46 5222 Extension Spring 1 2 x 3 1 4 1 47 5463 Steering ...

Page 87: ...15 16 17 18 34 35 18 37 38 39 18 18 42 43 44 37 22 47 47 21 20 48 23 48 46 19 19 18 27 24 24 25 25 26 26 28 26 29 29 30 30 31 31 31 31 32 32 33 45 40 41 F034 F009 10 10 10 1 F054 F171 F171 F171 F054 F054 F015 F434 F009 F009 F004 F009 F173 F447 9 Refer to Engine Group Model MBV or MBK Refer to Main Component Power Transmission Refer to Body ChassisAssembly F447 Hydrostatic Ground Drive Assemblies E...

Page 88: ...ab 2 29 5453 10 Steering Lever Handle Adjustable 2 Includes Items 30 F345 30 5850 2 Handle Grip Foam 5 1 2 2 31 5214 3 Ball Joint 5 16 24LH Nylon Lined 2 32 2215 5 Steering Lever Dampener 2 33 4451 6 Speed ControlActuator RH 1 Includes Item 23 Transmission Spring Assemblies 34 4199 1 Transmission SpringAssembly Includes Items 35 41 F320 F352 35 4552 Ball Joint 1 4 28 2 Includes Item F003 36 5194 P...

Page 89: ...07 F004 F004 F211 6 F386 F059 F183 F024 F093 1 2 5 8 F385 9 Refer to Body Chassis Assembly F093 F183 27 26 27 26 18 30 30 29 28 28 29 F345 F188 F167 F035 F198 F373 F008 F009 F009 F032 F009 F004 F003 F352 F320 36 35 37 38 39 40 41 F009 F009 F008 F004 F032 F391 F146 F024 F024 F008 F391 F146 F008 F373 F373 F009 F188 F345 F198 Refer to Body Chassis Assembly F183 F183 Steering ControlAssemblies Effecti...

Page 90: ...er Solenoid Cable 1 14 4929 Starter Solenoid 1 15 5835 Cable Clamp 3 4 1 16 6941 6 Relay Switch 30 40AMP 17 6941 7 Relay Mount 18 4940 1 Wire Harness 1 19 7910 Battery 12V 275CCA Dry 1 20 4940 2 Wire Harness Extension 1 21 5941 Safety Switch NC 1 22 4359 3 Switch Mount Clutch 1 23 5941 1 Switch Boot Fits P N 5941 1 24 5839 Hook Bolt 2 25 4024 12 Switch Mount 1 26 4910 4 Battery Cover 1 27 8960 15 ...

Page 91: ...EL YEL PUR PUR DETAILF BRN WHT WHT BLK BLK BLK BLK BRN WHT PUR RED PUR BLK ORG ORG RED WHT PUR PUR RED C I Refer to Body Chassis Assembly Refer to Body Chassis Assembly 6 3 27 27 28 29 1 2 27 4 5 F349 F002 F002 F004 F004 F002 F028 18 15 1 2 F029 14 13 25 26 24 12 8 9 10 7 11 F002 F026 F475 F026 F019 F019 F050 F031 F050 F050 F004 F004 F050 24 22 20 19 21 ElectricalAssembly MODEL MBV Effective Date ...

Page 92: ...0 40AMP NC 3 Includes Items 14 15 13 5835 Cable Clamp 3 4 1 14 6941 6 Relay Switch 30 40AMP 15 6941 7 Relay Mount 16 4940 7 Wire Harness 1 17 5941 Safety Switch NC 1 18 4359 3 Switch Mount Clutch 1 19 5941 1 Switch Boot Fits P N 5941 1 20 7910 Battery 12V 275CCA Dry 1 21 5839 Hook Bolt 2 22 4024 12 Switch Mount 1 23 4910 4 Battery Cover 1 24 8960 15 Ignition Switch W Keys 1 Includes Items 25 26 F3...

Page 93: ...RN WHT BLK DETAILE BLK BLK YEL YEL PUR PUR DETAILF BRN WHT WHT BLK BLK BLK BLK BRN WHT PUR RED PUR BLK ORG ORG RED WHT PUR PUR RED C Refer to Body Chassis Assembly Refer to Body Chassis Assembly 6 3 24 24 25 26 1 2 24 4 5 F349 F002 F002 F028 16 1 2 22 21 21 12 F002 F026 F475 GRA PUR PUR WHT YEL 23 13 8 9 10 7 F019 F019 F050 F031 F050 F050 F004 F004 F050 11 G ElectricalAssembly mODEL mbk Effective ...

Page 94: ...dle 2 Wires 9 6 5977 1 Grommet 1 8 x 3 8 2 7 7995 4 Power Lead WireAssembly 1 Includes Items 6 8 9 8 5996 1 4 x 16 14 GAQDF Terminal 1 Fully Insulated 9 5975 1 Cable Tie 18 x 3 3 4 1 10 6940 10 Jumper Wire 1 11 5995 5 Piggyback Terminal 1 12 5995 Toggle Switch Off On 1 13 5995 2 Switch Boot 1 14 7993 1 Mount Bracket Lights 1 Kit 4310 9 Hitch Kit Includes Items 15 16 fasteners listed and instructio...

Page 95: ... 10 Use only genuine Walker replacement parts Refer to Body ChassisAssembly Refer to Body ChassisAssembly Refer to Body Chassis Assembly 2 11 10 13 PUR PUR WHT To Main Harness 12 6 6 14 F009 9 8 F091 5 5 F052 1 1 1 3 5 4 3 4 1 7 16 15 F043 F012 ...

Page 96: ...IGNITION SWITCH CIRCUITS OFF START RUN G M B A S1 S2 B A RUN RELAY B START RELAY OFF START PTO ON 30 87 30 87 30 87A 30 87A STARTER SOLENOID MAGNETO RECTIFIER REGULATOR CARB SOLENOID STARTER RUN RELAY C IGNITION RELAY OFF START PTO ON 30 87 30 87 30 87A 30 87A PUR BLK BLK WHT PUR RED RED RED RED RED RED RED RED RED RED RED WHT PUR WHT PUR WHT BLU BLU BLK BLK BLK BLK BLK WHT PUR PUR PUR PUR ORG PUR...

Page 97: ...UN G M B A S1 S2 B A RUN RELAY B START RELAY OFF START PTO ON 30 87 30 87 30 87A 30 87A RUN RELAY C IGNITION RELAY OFF START PTO ON 30 87 30 87 30 87A 30 87A WALKER MODEL MBK Beginning S N 2010 104768 BLK BLK WHT PUR RED RED RED RED RED RED RED RED RED WHT PUR WHT PUR WHT BLU BLU BLK BLK BLK BLK WHT PUR PUR PUR PUR ORG PUR PUR BRN WHT SEAT SWITCH PUR PUR RED PUR RED PTO SWITCH FSC NEUTRAL INTERLOC...

Page 98: ..._________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ _________________________________________...

Page 99: ...e customer shall pay any charges for making service calls and or for transporting the mower to and from the place where the inspection and or warranty work is performed 3 HOW TO OBTAIN SERVICE UNDER THIS WARRANTY Warranty service can be arranged by contacting the dealer where you purchased the mower or by contacting Walker Manu facturing Company 5925 East Harmony Road Ft Collins CO 80528 Proof of ...

Page 100: ...Condition Clear Temperature 85 F o 29 C o Wind Speed 5 mph 8 kmh Humidity 20 Barometric Pressure 83 8 kPA LpA 74 OPERATOR LpA 76 OPERATOR Deck Size 122 cm Deck Size 122 cm Sound Model MBK Sound Test Sound test conducted was in accordance with 2000 14 EC and was performed on 28 May 10 under the conditions listed Lwa 95 Lwa 97 General Condition Clear Temperature 85 F o 29 C o Wind Speed 5 mph 8 kmh ...

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