Walker C19i Operator'S Manual Download Page 35

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Operating Instructions

Operating Controls (Top View from Drivers Point of View)

BLADE CLUTCH (PTO)

Pull Up to Engage

PARKING

BRAKE

THROTTLE

The Forward Speed Control also Establishes the

Neutral-Park

Position of the Steering Levers

Forward Position

(No Control Change)

RIGHT WHEEL

STEERING LEVER

LEFT WHEEL

STEERING LEVER

Reverse Drive

Wheel Motion

Position

Neutral-Park

Position

FORWARD SPEED

CONTROL LEVER (FSC)

Neutral-Park

Position

Full Forward

Ground Speed

Position

Intermediate

Ground Speed

Position

Engaged

Position

Disengaged

Position

Engaged

Position

Disengaged

Position

Fast

Throttle

Position

Idle

Position

Summary of Contents for C19i

Page 1: ... Assembly Operating and Maintenance Instructions Please Read and Save These Instructions For Safety Read All Safety and Operation Instructions Prior to Operating Machine Beginning S N 131154 Effective Date 11 07 14 P N 6000 19 ...

Page 2: ...or 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 C19i with the Kohler Command Pro ECH630 19 HP Electronic Fuel Injection EFI gasoline engine All shields and guards must be in place for the proper an...

Page 3: ...____________ 21 PTO Shaft Guard Installation____________ 21 Tilt Up Roller Wheel Installation__________ 22 Mower Deck Installation on Tractor________ 22 Deck Installation______________________ 22 Deck Leveling________________________ 24 PREOPERATING CHECKLIST______________ 25 Operating Instructions______________ 27 CONTROL IDENTIFICATION LOCATION AND FUNCTION ______________ 27 Ignition Switch_____...

Page 4: ...ng____ 60 GHS Blower___________________________ 61 GHS Exhaust Screen___________________ 62 Hydrostatic Transmission Cooling Fins____ 62 CHECKING SERVICING___________________ 62 Security of Air Filtration Components_____ 62 Battery_______________________________ 62 Electrolyte Level______________________ 63 Cleaning the Terminals_________________ 63 Charging the Battery___________________ 63 Tire ...

Page 5: ...hydrostatic transmissions which drive the main wheels HYDROSTATIC TRANSMISSION transmits and controls power from 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 and GHS blower POWERFIL spreads the mowed material thr...

Page 6: ... find a local au thorized servicing agent of the component manu facturer Any unauthorized work done on these components during the warranty period may void the warranty If you have any difficulty finding an authorized outlet or obtaining warranty service please contact our Service Department for assis tance Walker Manufacturing Company 5925 E Harmony Road Fort Collins CO 80528 1 970 221 5614 www w...

Page 7: ...reTM S N 133541 and prior Walker P N 5090 1 Primary 5090 3 Safety Filter Remote mounted EnginaireTM VLR S N 133542 to Current Walker P N 5090 4 Primary 5090 5 Safety Filter ELECTRICAL SYSTEM Battery 12 Volt 35 AH 340 CCA Charging System Flywheel Alternator Charging Output 15 Amp DC Regulated System Polarity Negative Ground Ignition Electronic Capacitive Discharge Starter 12 Volt Electric Ring Gear...

Page 8: ...and Brake Stops Blades within Five 5 Seconds of Disengagement TIRE SIZE Deck Caster 8 x 3 00 4 Pneumatic 4 Ply Optional Foamed Rubber 11 x 4 00 5 Pneumatic 4 Ply DS52 DS62 Only Drive 18 x 8 50 10 Pneumatic 4 Ply Low Profile 18 x 7 00 8 Pneumatic 4 Ply Optional Tailwheel 13 x 6 50 6 Pneumatic 4 Ply TIRE PRESSURE PSI KPA Deck Caster Wheel 20 137 Drive 15 103 Tailwheel 20 137 DRIVE BELTS Engine PTO W...

Page 9: ...utting Height 1 to 4 in 2 5 to 10 cm or 1 5 to 4 5 in 4 to 11 5 cm DS52 and DS62 Belt Driven SD Decks Only Deck Suspension Independent Torsion Flex Frame with Caster Wheels and Counterweight Springs DIMENSIONS Tractor and Mower Length in cm Tractor Only 64 5 164 Tractor Wheel Base 42 25 107 5 Tractor with Tilted Deck Approximate 77 195 5 Tractor with 42 Collection Deck DC42 1 89 226 1 Width in cm ...

Page 10: ...Arm Transmission Control Rod Adjustment Nut RH Tilt Up Latch Spring Clip Counterweight Spring and Protective Cover Tilt Up Deck Handle Deck Lift Handle Cutting Height Adjustment Grass Handling System 7 0 Bushel Catcher Transmission Control Rod Adjustment Nut LH Footrests Tilt Up Hook Catcher Lift Dump Handle Fuel Tank and Cap Deck Support Pins and Height Adjustment Hitch Pins ...

Page 11: ...e Wheel Removable Grass Catcher Screen Not Visible Oil Drain Plug Not Visible Footrest Catcher Door Gas Spring Not Visible Catcher Lift Dump Handle Muffler Tailpipe Oil Filter Tailwheel Fork and Wheel Catcher Air Exhaust Catcher Door Catcher Door Handle Anti Scuff Roller ...

Page 12: ...l Safety Switch LH Transmission Lockout Lever LH Hydrostatic Transmission Battery Negative Battery Cable Air Cleaner Cover Air Filter Restriction Gauge Fuel Filter Air Intake Hose Fuel Tank Cap Enginaire Air Cleaner Fuel Gauge Rollover Valve EVAP Line Fuel Pickup Line Voltage Regulator Rectifier PTO Gearbox Dipstick RH Transmission Lockout Lever Positive Battery Cable Engine Control Unit ECU Jacks...

Page 13: ...nded 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 proper...

Page 14: ...f the operator lifts off the seat with either the Forward Speed Control FSC out of the NEUTRAL PARK position or the PTO clutch in the ENGAGED position NOTE There is a 1 2 second time delay func tion on the seat switch to avoid engine power interruption when driving over bumps 10 Handle gasoline with care Gasoline is highly flammable and its vapors are explosive a Use an approved fuel container b N...

Page 15: ...rlock switch normally prevents starting of the machine if these con trols are in the OPERATING position 7 Do not operate machine if the operator pres ence safety switch system is not working Verify proper operation by having the operator lift off the seat with the engine running and mov ing two controls one at a time 1 Move the FSC lever out of the NEUTRAL PARK position and 2 Engage the PTO Clutch...

Page 16: ...d pinch points when the door is being closed Also keep fingers and hands clear of the door frame The door may slam shut with considerable force 20 In case of a clogged or plugged mower deck or GHS catching system a Disengage the blade clutch PTO and turn the engine off before leaving the seat b LOOK to make sure blade drive shaft and blower drive pulley movement has stopped before trying to unclog...

Page 17: ...sely 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 18: ...on Engine Shroud Part Number 5855 8600 16 1 Location Rear Cross Member of Front Body Part Number 8600 16 1 Important Lower front body before lowering catcher box Location Rear of Grass Catcher Exhaust Screen Part Number 5869 Location Front Body LH Side Above Muffler Part Number 8600 12 1 Warning carbon monoxide CO poisoning hazard CO emitted by a running engine can be deadly Do not operate indoors...

Page 19: ...ning rotating mower blades are a cutting dismemberment hazard to hands and feet Keep all body parts away from rotating mow er blades Do not step on end of deck Location Deck Carrier Frame Part Number 8600 15 1 1 Warning lock deck tilt up hinge before operat ing the machine 5848 2 1 Location Deck Discharge Shield SD Decks Only Part Number 5848 2 1 Warning thrown object hazard Always keep the discha...

Page 20: ...back of body to raise 1 1 Caution Pinch point Keep all body parts clear when closing grass catcher door Location Catcher Door Hinge Bar LH and RH Sides Part Number 8600 10 Location Bridge Assembly and LH Gear Axle Part Number 5810 3 8600 23 1 2 1 Warning readOperator sManualbeforeservic ing or performing maintenance Engage parking brake Remove ignition key 2 Forward Speed Control Move lever forwar...

Page 21: ... ear protection when op erating the machine 2 Throttle Move lever forward to increase engine speed back to idle 3 Warning roll over hazard Do not operate on slopes greater than 15 degrees 4 Warning thrown object hazard Keep bystanders away from the machine when operating 5 Warning entanglement hazard Keep all guards in place while engine is run ning Location LH Fender Part Number 8600 37 Location ...

Page 22: ...and also unplug harness from ECU before per forming any welding on equipment Raise front mower body up for battery access refer to Front Body Latch Release in Operating Instruc tions Check the battery for electrolyte level and charge The electrolyte level should be at the bot tom of the vent wells 1 4 to 1 2 in 6 to 13 mm above plates If the specific gravity is less than 1 225 the battery needs ch...

Page 23: ...e filler caps and charge the battery Refer to Battery Charging Battery Charging 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 mate rials away from the battery at all times Make sure the battery cap vents are open after the battery is filled with acid check manifold vent on ea...

Page 24: ...Clamp Secured by Wing Nut s Battery Cable Connection Battery Installation Mower Deck Assembly Deck Caster Wheels Installation 1 Remove the bolt nut axle spacer tube and spacer washers from each deck caster wheel fork NOTE Spacer washers are used only when the optional semi pneumatic deck wheels are installed 2 Fit the axle spacer tube through the wheel hub position the spacer washer on each side o...

Page 25: ...e and PTO Shaft Guard Installation on Rear Discharge Deck Deck Discharge Deflector Shield Installation Side Discharge Models Only Attach the side discharge deflector shield using two 2 3 8 16 x 1 1 4 in bolts 3 8 16 ESNA nuts and 3 8 in wave spring washers The wave washers fit between the two hinging surfaces Tighten the nuts until the shield moves freely but is not loose WARNING DO NOT operate th...

Page 26: ...tract the spring loaded quick disconnect ring on the PTO Coupler and insert the Coupler Installation Tool provided in Owner s Packet as shown in the photo below NOTE The Coupler Installation Tool is provided for convenience but is not required for installa tion PTO Coupler Tube Coupler Installation Tool Retract Spring Loaded Quick Disconnect Ring PTO Coupler Installation Tool 4 Reaching under the ...

Page 27: ...nd guiding the deck chute into the blower 7 Install the hitch pin through the hole on the end of each support arm to lock the deck in place refer to Deck Counterweight Spring Installa tion photo Two 2 hitch pins are included in the Owner s Packet of materials 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 ...

Page 28: ... 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 support frame are jig welded within normal tolerances very little if any shimming should be ...

Page 29: ...ontaining greater than 10 ethanol DO NOT use additives such as car buretor cleaners deicers or moisture removing agents DO NOT use gasoline blended with methyl alcohol CHECK ENGINE CRANKCASE OIL LEVEL Check the engine crankcase oil level before use and after each 8 hours of continuous operation Refer to LUBRICATION for Checking Engine Crankcase Oil Level in Maintenance Instructions CHECK AND SERVI...

Page 30: ... the normal operat ing position Tilt Up Hook Tilt Up Latch Tilt Up Hook and Latch Connected Deck Lock Lever Deck Lift Handle Deck Secured in TILT UP Position CAUTION Do not operate machine with deck tilt up pivot joint unlocked 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 CHECK MOWER BLADE CONDITION SHARPNESS BALANCE AN...

Page 31: ... 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 sec onds before making a restart attempt Prolonged cranking can damage the starter motor and shorten battery life Release the key when the engine starts and it will return to the ON RUN position To stop the e...

Page 32: ...vers The steering levers operate only with a backward pulling move ment of the lever which causes the drive wheel for that lever to first slow down stop and then reverse with a full backward lever stroke The levers are released to the FORWARD position for straight ahead ground travel NOTE Pushing forward on the steering levers will not cause any change in tractor motion there will be no steering l...

Page 33: ...e LOCKOUT position is used to enable moving the machine without the engine running e g for service Refer to TRANSMISSION LOCKOUT in this section for operating instructions Transmission Plunger Lockout Levers Lockout Lever Location NOTE The transmission plunger on the side of the transmission case activated by the LOCKOUT LE VER must be completely released during operation of the mower otherwise op...

Page 34: ... hours in extremely dirty or dusty conditions or for units with less than 100 hours annual use NOTE The blinking hour glass on the display means that the meter is operating properly Hourmeter Oil Pressure Warning Horn The oil pressure warning horn indicates that engine oil pressure is below the safe operating range be low 3 to 5 PSI 21 to 34 kPa This horn will come on when the ignition is turned O...

Page 35: ...tion of the Steering Levers Forward Position No Control Change RIGHT WHEEL STEERING LEVER LEFT WHEEL STEERING LEVER Reverse Drive Wheel Motion Position Neutral Park Position FORWARD SPEED CONTROL LEVER FSC Neutral Park Position Full Forward Ground Speed Position Intermediate Ground Speed Position Engaged Position Disengaged Position Engaged Position Disengaged Position Fast Throttle Position Idle ...

Page 36: ...ne fails to start after approximately 10 seconds of cranking the engine should be checked before further crank ing Turn the key to the OFF position and allow a 60 second cool down period between starting attempts Failure to follow these guidelines can damage the starter motor and shorten battery life Consult your Walker dealer or authorized Kohler dealer for additional help 3 After the engine star...

Page 37: ... LH lever to turn left To minimize the possibility of overcontrol use only one hand on both steering levers 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 ...

Page 38: ...action 5 Stop ground travel by pulling both steering le vers backward to the NEUTRAL position trac tor not moving and then moving the FSC lever to the NEUTRAL PARK position NOTE If the tractor creeps forward or back ward with the FSC lever in the NEUTRAL PARK position the transmission control needs to be adjusted Contact your Walker dealer ENGAGING THE BLADE DRIVE 1 Set the engine throttle at abou...

Page 39: ...ARNING A brake stops the cutter blades and blower from freewheeling within five 5 seconds after disengaging the clutch If the brake sys tem malfunctions and the blades do not stop within five 5 seconds the brake should be adjusted or repaired before op erating the mower Contact your Walker dealer 4 Turn the ignition switch OFF When stopping the engine do not reduce the throttle below 1 2 speed Sin...

Page 40: ...Cutting heights range from 1 in 25 mm top holes to 4 in 102 mm bottom holes in 1 2 in 13 mm incre ments Deck Support Pin Hitch Pin Lift Handle Cutting Height Adjustment TRANSMISSION LOCKOUT IMPORTANT DO NOT TOW this mower with the transmission lockout engaged Towing can produce excessive internal pressure and damage the trans mission To move the mower with the engine NOT running dead battery maint...

Page 41: ... of the grass handling system GHS Mowing with a lower engine RPM causes the mowing blade to not cut clean and tear the grass The engine is designed to be operated at full speed When mowing in adverse conditions tall and or wet grass mow the grass twice Raise the mower to the highest setting 4 in 102 mm for the first pass and then make a second pass cutting to the desired height Use a slow setting ...

Page 42: ...wayfromobstaclestoreducethechanceofdamage to property by thrown objects Side Discharge Deflector Shield in Lowest Position When operating on a slope reduce speed and use caution to start stop and maneuver Avoid sharp turns or sudden changes in direction The maximum recommended slope operating angle is 15 degrees or 26 grade 6807 1 Maximum Recommended Slope Do Not Operate on Steep Slopes 16 in 15 5...

Page 43: ...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 should be secured to the vehicle with a strap or rope stop vertical movement Thi...

Page 44: ... Screen Removable Grass Catcher Deck Discharge Chute Shear Bolt Gear Driven Decks Only Shear Pin If Equipped PTO and Blade Gear Drive Actuator Rod Catcher Air Exhaust Blower Powerfil Delivery Spout Body Chute Assembly Catcher Chute Dump Handle Full Signal Horn Powerfil Drive Motor Grass Pak Vane Switch Catcher Door Spring Not Visible ...

Page 45: ...bulldozing leaves particularly when the leaves are piled in a thick layer To make this ad justment the hitch pins in the two 2 front deck support pins are repositioned 2 to 3 notches higher while leaving the rear pins in their original position DANGER NEVER operate the GHS catcher with the back door open Objects may be thrown out the back of the catcher with sufficient force to cause serious injur...

Page 46: ...er Deck Bottom View FORWARD Rear Discharge Chute Blades Must Operate at Right Angles 90 Degrees Mounting Nut Torque 60 lb ft 81 N m Blade Rotation for Reverse Rotation GHS Mower Deck Bottom View Check the amount of flat section remaining at blade tip This is the area that is ground away re moved when the blades are sharpened If too much of the flat section is removed the air lift perfor mance or s...

Page 47: ...ion and moving the blade clutch to the ENGAGED position The spout should oscillate approximately 35 cycles per minute NOTE If the grass spout fails to oscillate the clutch switch should be checked for function Full Signal Horn The GHS catcher has a full signal horn to alert the operator to dump the catcher when it is full to prevent overfilling and clogging The full signal horn is activated by a v...

Page 48: ...ailgate 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 CAUTION Use leg muscles and firm footing when lift ing the catcher to dump avoid bending at the waist and using back muscles in order to prevent back injury Tailgate Dumping 1 Open th...

Page 49: ...e hand while continuing to hold up on the bag strap with the other hand Refer to photos for posi tioning the bag and dumping Catcher Lift Dump Handle 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 Clo...

Page 50: ...te the ram with the clutch ratcheting for an extended time as this will cause extra wear on the clutch mechanism CAUTION The operator should be in the seat and by standers stay clear when the power dump is operating The power dump is used ONLY for tailgate dumping Do not attempt to use the optional dump bag or any other bag with the power dump NOTE If grass tends to hang up in the catcher after ra...

Page 51: ... 1 2 Catcher Door Grass Catcher Actuator Mount Assembly Power Dump Ram Actuator Rubber Bumper Lift Channel Fork Dog Leg Assembly RH Catcher Door Arm LH Catcher Door Arm Cable Assembly Gas Spring Door Arm Actuator Cable Guide Catcher Door Gas Spring ...

Page 52: ... 66 Check Wheel Bolt Torque 75 to 85 lb ft x 63 Check Regap Spark Plugs x 65 Change Engine Oil Filter x 51 Replace Air Filter Element and Dust Ejection Valve x 58 Check Fuel Lines and Clamps x 65 Replace Fuel Filter x 72 Service Battery x 62 Check FSC Friction Lock x 66 Service Solenoid Shift Starter x 65 Check Engine Valve Clearance x ΔΔΔ Remove Engine Shroud and Clean Cylinder Head Cooling Fins ...

Page 53: ...st pipe muffler and moving parts when checking airflow Operate the engine at full speed when mowing This allows the engine to produce full horsepower and move more cooling air through the engine cool ing fins Air Cleaner System Use only EnginaireTM air cleaner elements After market elements may not seal in the air cleaner housing allowing dirt to enter the engine Also af termarket filters often sk...

Page 54: ...ion IMPORTANT The importance of checking and maintaining the proper crankcase oil level cannot be overemphasized Check the oil level BEFORE EACH USE 1 Park the mower on a level surface with the en gine stopped Also make sure the engine is cool and oil has had time to drain into the sump allow at least five 5 minutes after stopping the engine IMPORTANT NEVER check or add oil with the engine running...

Page 55: ...l or the engine owner s manual Use the recommended oil viscosity for the ex pected ambient temperature Oil with the cor rect vis cosity will aid starting in cold weather and assure proper lubrication in hot weather Fill up to but not above the F mark on the dipstick 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 b...

Page 56: ... damaged Reinstall gearbox cover plates torque screws to 24 lb in 3 N m DS52 or DS62 Mower Deck Lubrication There are several special lubrication requirements for the DS52 or DS62 mower deck in addition to the require ments detailed in the Chassis and Deck Lubrica tion Points illustration Lubricate the loca tions shown in the Gearbox Dol ly Wheel and U Joint Lubrication photo and check and maintai...

Page 57: ...80W 90 API GL 5 gear lube Re move plug in top of gearcase to vent air when refilling 3 Check that the oil level is at the FULL mark on the dipstick DO NOT overfill Gear Axle Lubrication The gear axle oil lubrication is SAE E P 80W 90 API GL 5 gear lube Check the axle oil level after every 100 hours of operation by removing the oil level plug If additional oil is needed remove the breather vent on ...

Page 58: ...ne Grease SlideArea 25 Belt Tightener Pivot Grease 1 Jackshaft Drive 26 PTO Clutch Lever Pivot Grease 1 27 ClutchActuator SpringAssembly Grease 2 28 Belt Tightener Pivot Grease 1 PTO Clutch 29 BrakeActuator Rod and Brake Oil 3 Band Pivot Pins Clevis 30 BrakeActuator Pivot Grease 1 31 Catcher Hinge Point Oil 2 32 Engine Oil Oil 1 33 Throttle Control Cable Ends Oil 2 34 Belt Tightener Pivot Grease 1...

Page 59: ...ce Instructions LUBRICATION 55 Chassis and Deck Lubrication Points DC42 Shown 21 23 20 25 32 33 35 36 37 33 38 37 21 13 27 26 27 28 29 30 19 17 16 31 34 31 14 14 15 20 22 24 2 2 1 1 12 5 4 4 11 12 7 4 4 5 13 18 ...

Page 60: ...e visible Reservoir Cap Cold Level Air Bleed Plug Transmission Reservoir and Air Bleed Plug Location 3 The reservoir has a fluid level COLD mark The reservoir oil level should ALWAYS be at or slightly above the COLD mark 4 If the fluid is below the COLD mark or the trans mission is not performing properly contact your local dealer Attempting to add fluid or service the transmission may VOID THE TR...

Page 61: ...ine light into end cap to verify movement of fan with engine running Enginaire Air Cleaner A remote mounted Enginaire air cleaner pro vides the air filtering function The paper filter element slides over an outlet tube inside the air cleaner canister with radial sealing action elimi nating the possibility of dust leaks due to improp er filter installation Intake design internal baf fling and a dus...

Page 62: ...nister There will be some initial resistance as the filter seal breaks loose and slides off of the outlet tube Gently move the end of the filter up and down and side to side or twist to loosen the seal Use gentle action to minimize the amount of dust dislodged as the filter is re moved 3 Discard the filter element if excessive air flow restriction has been indicated by the air filter restriction g...

Page 63: ... lubricants if re quired for filter installation Radial Sealing Surface Primary Filter Element Canister Outlet Tube Safety Filter Air Filter Element Replacement 10 Install the Enginaire air cleaner cover Latch the two 2 cover latches Cover Latch Cover Latch Proper Orientation of Air Cleaner Cover 11 Check the air intake hose for cuts nicks cracks etc and the hose clamps for tightness 12 Reset the ...

Page 64: ...ve the engine shroud in order to thoroughly clean the cooling fins Kohler Engine Shroud Engine Cooling Fin Access Panels Rotating Cooling Air Intake Screen Keep Rotating Cooling Air Intake Screen and Cooling Fins Clean IMPORTANT Yearly it is good maintenance prac tice to remove the engine cooling shroud and clean the cylinder head cooling fins thoroughly to prevent overheating and extend engine li...

Page 65: ... found use a high pressure washer or water spray to clean the inside of the housing as follows DANGER Before attempting to wash the blower stop the engine remove the ignition key anddisconnectthesparkplugwires Wear goggles or face shield 1 Remove the GHS blower drive belt tension by depressing the idler pulley on the tightener arm Roll the belt off the blower pulley The belt should be clear of the...

Page 66: ...nspect the cooling fans Replace the fan s if blades are missing or damaged Cooling Fan Cooling Fins Hydrostatic Transmission Cooling Fins CHECKING SERVICING DANGER To prevent accidental starting of the en gine when servicing or adjusting the ma chine remove the key from the ignition switch and disconnect the spark plug wires Security of Air Filtration Components NOTE The following inspection is on...

Page 67: ...battery from the mower Using a wire brush remove corro sion with a solution of 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 Check the battery charge by measuring the specific gravity of electrolyte if specific gravity is less than 1 225 the battery will need to b...

Page 68: ... of the blade to the same position and comparing If the dif ference in blade tip track is more than 1 8 in 3 mm the blade is bent and should be re placed WARNING DO NOT try to straighten a blade that is bent NEVER weld a broken or cracked blade ALWAYS replace with a new blade to assure safety 4 If the blade cutting edge is dull or nicked it should be sharpened Remove blades for sharpening by grasp...

Page 69: ...e mower blade must be removed for inspection of the seal so it is recom mended to inspect the gearbox seals when blades are removed for sharpening If an oil leak is not ed the seal should be replaced and the gearbox assembly relubricated Refer to LUBRICATION for Mower Deck Gearbox Lubrication in this section Spark Plugs Every 200 hours of operation remove the spark plugs inspect clean and reset th...

Page 70: ...act your Walker dealer for trou bleshooting and or replacement With or without an operator in the seat the engine starts with the Forward Speed Control FSC and or the PTO engaged With an operator in the seat the engine starts but dies soon after the Forward Speed Control FSC or PTO is engaged Without an operator in the seat the engine starts and continues to run with the Forward Speed Control FSC ...

Page 71: ...uine 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 four 4 individual belts on GHS models Engine PTO Drive Belt 3 Groove Power Band Jackshaft Drive Belt GHS Blower Drive Belt Hydrostatic Ground Drive Belt The belts may be removed and replaced using the procedures described on the following pages...

Page 72: ...ch lever engage position to lift the clutch idler away from the belt d Next remove the belt from the engine pulley and then the PTO drive pulley 2 Install the PTO drive belt by reversing the re moval procedure IMPORTANT Make sure the belt is installed inside the four 4 belt guide pins Check and make the following adjustments a Clutch engagement for proper belt tension b Clutch disengagement and br...

Page 73: ...pressing the spring loaded idler arm c Roll the belt off the jackshaft pulley and remove Jackshaft Drive Belt Disengaged 2 Reverse the removal procedure to replace the jackshaft drive belt Jackshaft Drive Belt Engaged Jackshaft Drive Belt Push Idler Pulley Down to Relax Belt Engine Pulley Idler Pulley Tension Spring Jackshaft Jackshaft Drive Belt Engine Pulley Idler Arm Tension Spring Jackshaft ...

Page 74: ...hould be clear of the blower pulley allowing free movement of the blower wheel GHS Blower Drive Belt Assembly Disengaged 2 Reverse the procedure to install the GHS blower drive belt GHS Blower Drive Belt Assembly Engaged Depress Idler Pulley Down to Relax Belt GHS Blower Drive Belt Blower Drive Pulley Blower Pulley Belt Tightener Idler Pulley Disengaged Idler Pulley Engaged ...

Page 75: ...x belt b Slide belt off pulleys then release the idler Hydrostatic Ground Drive Belt Assembly Disengaged 2 Reverse the procedure to install the hydrostatic ground drive belt Hydrostatic Ground Drive Belt Assembly Engaged Hydrostatic Ground Drive Belt Belt Tightener Arm Idler Pulley Spring Transmission Drive Pulley Hydrostatic Ground Drive Belt Jackshaft Spring Idler Pulley Belt Tightener Arm ...

Page 76: ...gned with the fuel flow through the filter 3 Verify that the fuel lines and clamps are secure ly attached and that no fuel leaks are present Blade Overload Shear Bolts NOTE Blade shear bolts are not used on belt driv en decks On gear driven decks each cutting blade is keyed to the blade hub by two 2 shear bolts 10 24 x 5 8 in stainless steel machine screws These bolts are designed to shear and pro...

Page 77: ...d and remounted as de scribed in Sharpen Mower Blades instructions re fer to CHECKING SERVICING in this section Dur ing the course of sharpening and inspecting mower blades if there are any of the following conditions of wear or damage blades should be replaced for reasons of safety and performance of the machine An excessive amount of the flat section of the blade has been ground away removed whe...

Page 78: ...lt Up Deck Adjustable Stop When the carrier frame hinge joint is properly ad justed the deck lock levers should move in and out of the engaged and disengaged positions freely All four 4 hitch pins used for height adjustment should sit flush on the washers above the deck pin bushing On a level surface if any pin is sticking up likely the front pins tighten the opposite side or loosen the same side ...

Page 79: ...should be between 4 and 4 1 2 inches 10 16 and 11 43 cm 4 to 4 1 2 in 10 16 to 11 43 cm Adjustment Nut Exhaust Screen Adjusting the Grass Pak Switch Side View of Catcher Box 3 If adjustment is required loosen front adjust ment nut then move aluminum shaft and vane to the recommended measurement Adjustments should be done in very small increments check ing the measurement each time until the recom ...

Page 80: ...76 Operator s Notes ...

Page 81: ...77 Operator s Notes ...

Page 82: ...78 Operator s Notes ...

Page 83: ...mproper maintenance improper use or abuse of the product alterations or failure to follow the instructions contained in the Operator s Manual for operation and maintenance B The customer shall pay any charges for making service calls and or for transporting the mower to and from the place where the inspection and or warranty work is performed 3 HOW TO OBTAIN SERVICE UNDER THIS WARRANTY Warranty se...

Page 84: ...WALKERMFG CO 5925E HARMONYROAD FORTCOLLINS CO80528 970 221 5614 FORM NO 090815 PRINTED IN USA www walkermowers com 2015 WALKER MFG CO ...

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