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Table of Contents
Maintenance Instructions __________ 51
MAINTENANCE SCHEDULE CHART _______ 51
IMPORTANT TIPS FOR CARE
OF THE KOHLER ENGINE ________________ 52
Fuel System _________________________ 52
Starting/Stopping _____________________ 52
Cooling System ______________________ 52
Air Cleaner System ____________________ 52
Oil__________________________________ 52
LUBRICATION _________________________ 53
Engine Oil ___________________________ 53
Engine Break-In Oil ___________________ 53
Checking Engine Crankcase Oil Level ____ 53
Changing Engine Crankcase Oil/Oil Filter __ 54
Mower Deck Gearbox Lubrication ________ 54
DS52 or DS62 Mower Deck Lubrication ___ 55
Tractor PTO Gearbox Lubrication ________ 56
Checking Gearbox Oil Level ____________ 56
Changing Gearbox Oil ________________ 56
Gear Axle Lubrication _________________ 56
Hydrostatic Transmission Fluid _________ 57
Checking Hydrostatic
Transmission Fluid Level ______________ 57
Grease Fitting and Oil Point Lubrication __ 57
CLEANING ____________________________ 60
Engine Air Cleaner System _____________ 60
Turbine Precleaner ___________________ 60
Donaldson Radialseal™ Air Cleaner ______ 61
Engine Cooling System ________________ 63
Cooling Air Intake System ______________ 63
Cylinder Head Cooling Fins ____________ 63
Grass Buildup in Mower Deck Housing ___ 64
GHS Blower __________________________ 65
GHS Exhaust Screen __________________ 65
Hydrostatic Transmission Cooling Fins ___ 66
CHECKING/SERVICING __________________ 66
Security of Air Filtration Components ____ 66
Battery ______________________________ 67
Electrolyte Level _____________________ 67
Cleaning the Terminals ________________ 67
Charging the Battery __________________ 67
Tire Pressure _________________________ 68
Wheel Bolt Torque ____________________ 68
Sharpen Mower Blades ________________ 68
Drive Belts ___________________________ 69
Mower Deck Gearbox Oil Seals __________ 69
Spark Plugs __________________________ 69
Ignition Wires ________________________ 69
Fuel Lines and Clamps _________________ 69
Engine Starter ________________________ 69
Blade Brake Action ____________________ 70
PTO U-Joints ________________________ 70
Safety Switch System__________________ 70
Forward Speed Control Friction Lock _____ 70
REPLACING/REPAIRING _________________ 71
Drive Belts ___________________________ 71
Engine PTO Drive Belt ________________ 72
Jackshaft Drive Belt __________________ 73
GHS Blower Drive Belt ________________ 74
Hydrostatic Ground Drive Belt ___________ 75
Fuel Filter ___________________________ 76
Blade Overload Shear Bolts_____________ 77
PTO Shear Pin (If Equipped) ____________ 77
Mower Blades ________________________ 78
ADJUSTMENTS ________________________ 79
Steering Handles _____________________ 79
Tilt-Up Deck Adjustable Stop ____________ 79
GHS Signal Horn Adjustment
(When Horn Sounds at Wrong Time) ______ 80
Operator’s Notes _______________ 81
Warranty _____________________ 83