Walker MC (16 HP) Manuel du propriétaire

OWNER’S MANUALSafety, Assembly, Operating, and Maintenance InstructionsModel MC (16 HP)(For Tractors with Kohler OHC-16 V-Twin Engine)Please Read and

Specifications6MODEL MCGHS SYSTEM (Optional)Blower 4 x 10 x 1/4 in. (10 x 25 x 1 cm) Three-Blade Paddle Wheel(Driven by Mower Engine)Blower Brake Band

Component Identification 7Front View and Right Side ViewNOTE: Control Identificationshown in OperatingInstructions section.Catcher DoorSafety LatchTur

Component Identification8OilFilterOil DrainPlugTailpipeMufflerLeft HandDrive WheelDeck Lift RodCatcher Lift /Dump HandleCatcher DoorGas SpringRemovabl

Component Identification 9LH TransmissionLockout LeverBatteryNegative (-)Battery CableLH HydrostaticTransmissionRH HydrostaticTransmissionGHS BlowerOi

Safety Instructions10Pay particular attention to any information labeledDANGER, WARNING, CAUTION, IMPORTANT,and NOTE in this manual.When you see th

Safety Instructions116. Do not wear loose fitting clothing that could getcaught in moving parts. Do not operate thismachine while wearing shorts; al

Safety Instructions1210. Disengage the blade drive when transportingthe machine across drives, sidewalks, etc. Ne-ver raise the mower deck while blad

Safety Instructions134. Perform only maintenance instructions de-scribed in this manual. Unauthorized main-tenance operations or machine modificatio

Safety Instructions14Adjacent to Blower Discharge Chutethrough Body (5804)SD Deck Discharge Shield (5848)Front Body Adjacent toRH Steering Lever (6807

Safety Instructions 15Fender, RH Side (7802)Catcher Door Hinge Bar, LH and RH Sides (5868)Deck Carrier Frame (8653)Deck Gearbox Cover (5807-1)On

ForewordThank you. . .for purchasing a Walker mower. Every effort has been made to provide you with themost reliable mower on the market, and we are

Assembly Instructions16SETUP INSTRUCTIONSWalker Mowers are shipped partially assembled.After uncrating the tractor and mower deck, initialsetup is req

Assembly Instructions173. After the battery is filled with electrolyte, replacethe filler caps and charge the battery. Refer toBattery Charging.Batte

Assembly Instructions18Deck Caster Wheel InstallationNOTE: If semi-pneumatic wheels are installed,make sure the spacer washers fit over the spacertube

Assembly Instructions19NOTE: When installing the DSD52 Mowerdeck, make sure to retract the dolly wheel aftermounting the deck on the tractor.3. If the

Assembly Instructions20Deck Counterweight Spring InstallationDeck Leveling1. Position mower on a smooth, level surface. Setthe cutting height to the

Assembly Instructions21PREOPERATING CHECKLISTBefore operating the mower for the first time, and asa routine before daily operations, it is important t

Assembly Instructions22 CHECK GEAR AXLE OIL LEVEL Refer to Gear Axle Lubrication in Maintenance In-structions. INSPECT FOUR (4) DRIVE BELTS Engine P

Assembly Instructions23 CHECK MOWER BLADE CONDITION, SHARP-NESS, AND SECURITY OF MOUNTINGThe blade mounting nut should be tightened to60 ft-lb (81.3

Operating Instructions24CONTROL IDENTIFICATION, LOCATION, AND FUNCTION Ignition SwitchThe ignition switch is located on the right front of thebody and

Operating Instructions25Ignition SwitchEngine ChokeThe choke control lever (black knob) is located onthe left side of the seat. To start a cold engin

Table of ContentsGeneral Information ________________ 1 HIGHLIGHTED INFORMATION _____________ 1 GLOSSARY ____________________________ 1 IDENTIFYING NU

Operating Instructions26Parking BrakeThe parking brake functions by locking a pin into thehydrostatic transmission pinion gear teeth. Movingthe lever

Operating Instructions27CHOKETHROTTLEBLADE CLUTCH(PTO)Pull Up to EngagePARKINGBRAKEForward Position(No Control Change)Neutral-ParkPositionReverse Driv

Operating Instructions28STARTING THE ENGINE1. Before attempting to start the engine, makesure the operator is in the seat, the ForwardSpeed Control is

Operating Instructions291. Move the FSC out of NEUTRAL-PARK positionto the desired forward speed. DO NOT hold for-ward on steering levers. It is not

Operating Instructions30ENGAGING THE MOWER1. Set the engine throttle at about 1/3 speed. Donot attempt to engage the blade clutch athigh engine speed

Operating Instructions31IMPORTANT: DO NOT disengage the bladeclutch with high engine speed (above 1/2 throt-tle) since the brake action on the blade d

Operating Instructions323. The mower will “freewheel” with the levers in theLOCKOUT position. The levers must be in thehighest position to completely

Operating Instructions33• When using a side discharge mower deck, theside discharge shield must not be removed andmust be kept in the lowest possible

Operating Instructions34GRASS HANDLING SYSTEM (GHS)GHS Model OnlyGHS Flow and ComponentsPTO and BladeGear DrivePTOClutchCatcher DoorSafety LatchExhaus

Operating Instructions35General InformationThe Grass Handling System (GHS) consists of arear discharge mower deck connected to a 10 in.(25 cm) blower

Table of ContentsMaintenance Instructions__________ 40 MAINTENANCE SCHEDULE CHART _______ 40IMPORTANT TIPS FOR CAREOF THE KOHLER ENGINE ______________

Operating Instructions36Clogging ChecklistIn case of clogging, there will be a distinct changein the sound of the blower, i.e., the blower soundwill s

Operating Instructions37Remember, anything that restricts airflow or materialflow along the entire path from the mower deck tothe grass catcher can ca

Operating Instructions38Dumping the CatcherFor dumping, the catcher either tailgate dumps intoa disposal area or dumps into the optional dumpbag. The

Operating Instructions393. Hook the bottom of the bag over the rearbumper while lifting on the handle strap.4. Tilt the catcher back to dump into the

Maintenance Instructions40CAUTIONMaintenance procedures requiring special training ortools should be performed by a trained technician.MAINTENANCE SCH

Maintenance Instructions KOHLER TIPS41IMPORTANT TIPS FOR CARE OF THE KOHLERENGINEFuel System• Fuel must be clean - free from water, dirt, and or-ganic

Maintenance Instructions LUBRICATION42LUBRICATIONProper lubrication is an important maintenance pro-cedure. It reduces wear and makes the machine qui

Maintenance Instructions LUBRICATION431. Park the mower on a level surface with the en-gine stopped. The engine oil should be warmbefore draining. I

Maintenance Instructions LUBRICATION44Ident Lubrication No.No. Location Type PlacesIdent Lubrication No.No. Location Type Places1 Deck Caster Wheel F

Maintenance Instructions LUBRICATION45Chassis and Deck Lubrication Points

General Information1HIGHLIGHTED INFORMATIONWalker Manufacturing recommends that any servicerequiring special training or tools be performed byan autho

Maintenance Instructions LUBRICATION46Mower Deck Gearbox LubricationNOTE: These instructions apply to all mowerdecks with gear-driven blades. Refer t

Maintenance Instructions LUBRICATION472. Check the oil level in the belt drive gearbox ev-ery 100 hours (or sooner if a visible oil leak hasdeveloped

Maintenance Instructions LUBRICATION48Hydrostatic Transmission FluidChecking Hydrostatic Transmission Fluid LevelHydrostatic transmission fluid level

Maintenance Instructions LUBRICATION/CLEANING493. Reinstall the lower drain plug, making sure therubber O-ring on the plug is in place and ingood cond

Maintenance Instructions CLEANING50Turbine PrecleanerThe turbine precleaner is mounted on a remote airintake tube connected to the Donaldson air clean

Maintenance Instructions CLEANING512. Remove the filter element by pulling it out of thecanister. There will be some initial resistance asthe filter

Maintenance Instructions CLEANING52Engine Cooling SystemAir Intake SystemTo prevent engine overheating and possible enginedamage, clean grass clipping

Maintenance Instructions CLEANING53Deck Secured in UP Position (Non-Tilting)2. Clean grass buildup underneath the deck usinga pressure washer (and scr

54Maintenance InstructionsCLEANINGGHS BlowerNormally, the GHS blower operates with no mainte-nance or cleaning. However, when mowing grassthat is dirt

55Maintenance InstructionsCLEANING/CHECKING/SERVICINGHydrostatic Transmission Cooling FinsCHECKING/SERVICINGSecurity of Air Filtration ComponentsNOTE:

General Information2Tractor Serial Number LocationMower Deck Serial Number LocationENGINE SERIAL NUMBER LOCATIONRefer to the engine manual that accomp

56Maintenance InstructionsCHECKING/SERVICINGTire PressureInflate tires to pressures shown below: Deck Caster Wheel = 20 PSI (137 kPa)Drive = 15 PSI (

Maintenance Instructions CHECKING/SERVICING57Mower Blade Profile For Sharpening6. Check blade balance by positioning the bladehorizontally on a blade

58Maintenance InstructionsCHECKING/SERVICING/REPLACING/REPAIRINGEngine StarterYearly or every 500 hours, clean and lubricate thesplines on the starter

Maintenance Instructions REPLACING/REPAIRING59Engine PTOBeltJackshaftDrive BeltHydrostatic GroundDrive BeltGHS Blower Belt(GHS Model Only)Belt Locatio

Maintenance Instructions REPLACING/REPAIRING60Engine PTO Drive Belt (3 Groove Power Band)1. To remove the engine PTO drive belt:a. Remove the jackshaf

Maintenance Instructions REPLACING/REPAIRING61Jackshaft Drive Belt1. To remove the jackshaft drive belt:a. Remove the engine PTO drive belt, asdescrib

Maintenance Instructions REPLACING/REPAIRING62GHS Blower Drive Belt1. Remove the GHS blower drive belt by unhook-ing the belt tension spring from the

Maintenance Instructions REPLACING/REPAIRING63Hydrostatic Ground Drive Belt1. To remove the hydrostatic ground drive belt:a. Raise the spring-loaded b

Maintenance Instructions REPLACING/REPAIRING64Fuel FilterModel MC is equipped with an in-line fuel filter. Vi-sually inspect the filter periodically,

Maintenance Instructions REPLACING/REPAIRING65After reinstalling the blade, check blade timing bymoving blades through one (1) complete revolu-tion. M

Specifications3MODEL MCENGINEManufacturer/Model Kohler TH16, 2 Cyl., Gasoline (Air-Cooled)Displacement 31.7 cu. in. (520 cc)HP (@ 3600 RPM) 16.0Max. R

Maintenance Instructions REPLACING/REPAIRING66Reinstall the blades following procedure from Sharp-en Mower Blades instructions. If blades are re-plac

Maintenance Instructions REPLACING/REPAIRING67Mower Deck Gearboxes(Shown with Gearbox Cover Removed for Clarity)GHS Blower Assembly (and/or Blower Whe

68Maintenance InstructionsREPLACING/REPAIRING/ADJUSTMENTSPressing Blower Wheel Out of HousingBlower Wheel Installation1. To install the blower wheel,

69Maintenance InstructionsADJUSTMENTSSteering LeversAn adjustment range of approximately 3 inches isavailable on the steering levers - the levers can

Maintenance Instructions ADJUSTMENTS70Blade Clutch (PTO)Clutch Engagement/Belt TensionThe clutch engagement and PTO belt tension are ad-justed using t

Maintenance Instructions ADJUSTMENTS71Clutch Disengagement/Brake Action The declutched or disengaged position of theblade clutch idler pulley is adju

Maintenance Instructions ADJUSTMENTS72Use the following procedures to check and adjustclutch disengagement and brake action:Stop Block Eccentric Adjus

Maintenance Instructions ADJUSTMENTS73 Blade Brake Band AdjustmentNOTE: The length of the actuator rod is adjustedby disconnecting the bottom clevis a

Maintenance Instructions ADJUSTMENTS74Forward Speed Control Stop and Steering Lever AdjustmentSteering Lever End Play Adjustment - Step 21. Position t

Maintenance Instructions ADJUSTMENTS75Straight Ground Travel Adjustment - Step 41. Sit in the seat, start the engine (operate at nor-mal speed), and w

Specifications4MODEL MCTRANSMISSION (continued)Transmission FluidFactory Service Mobil 1 Synthetic Motor Oil (15W-30)Transmission Fluid Capacity 1 qt

Maintenance Instructions ADJUSTMENTS76Tilt-Up Deck Adjustable StopWhen the carrier frame hinge joint is properly adjust-ed, the deck lock levers shoul

Maintenance Instructions ADJUSTMENTS77Carburetor Adjustment2. Place the throttle control into the idle or slowposition. Turn the low idle speed adjus

78Maintenance InstructionsADJUSTMENTS/ELECTRICAL SYSTEMAdjustment (When Horn Sounds at the Wrong Time)Very little, if any, adjustment to the Grass-Pak

79Maintenance Instructions ELECTRICAL SYSTEMWiring Diagram - Model MC

80Operator’s Notes

81Operator’s Notes

82Operator’s Notes

83LIMITED WARRANTYFORWALKERCOMMERCIAL RIDER MOWER1. WHAT THIS WARRANTY COVERS, AND FOR HOW LONG:Walker Manufacturing company will, at its option, repa

WALKER MFG. CO. • 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 • (970) 221-5614FORM NO. 033199 PRINTED IN USA ©1999 WALKER MFG. COSound - Model MCS

Specifications5MODEL MCDIMENSIONS (continued)HeightSD Model 37-1/2 in. (95 cm)GHS Model 44-1/2 in. (112 cm)Wheel Base (Tractor) 42-1/4 in. (107 cm)Tre