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__________________________________ 53
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 ________ 55
Grease Fitting and Oil Point Lubrication __ 55
DS52 Mower Deck Lubrication __________ 58
Mower Deck Spindle Lubrication ________ 58
Tractor PTO Gearbox Lubrication ________ 58
Checking Gearbox Oil Level ____________ 58
Changing Gearbox Oil ________________ 58
Gear Axle Lubrication _________________ 59
Hydrostatic Transmission Oil ___________ 59
Extending the Warranty _______________ 59
Checking Hydrostatic
Transmission Oil Level ________________ 59
Changing Hydrostatic
Transmission Oil and Filter _____________ 59
CLEANING ____________________________ 61
Engine Air Cleaner System _____________ 61
Turbine Precleaner ___________________ 61
Enginaire⢠VLR Air Cleaner ___________ 61
Engine Cooling System ________________ 63
Cooling Air Intake Screen ______________ 63
Cylinder Head Cooling Fins ____________ 64
Grass Buildup in Mower Deck Housing ___ 64
GHS Blower __________________________ 65
GHS Exhaust Screen __________________ 66
Hydrostatic Transmission Cooling Fins ___ 66
CHECKING/SERVICING __________________ 67
Security of Air Filtration Components ____ 67
Battery ______________________________ 67
Cleaning the Terminals ________________ 67
Charging the Battery __________________ 68
Tire Pressure _________________________ 68
Wheel Bolt Torque ____________________ 68
Sharpen Mower Blades ________________ 68
Drive Belts ___________________________ 69
Mower Deck Gearbox Oil Seals __________ 70
Spark Plugs __________________________ 70
Ignition Wires ________________________ 70
Fuel Lines and Clamps _________________ 70
Engine Starter ________________________ 70
Transmission Control Setting ___________ 70
Neutral-Park ________________________ 70
Straight Ground Tracking ______________ 70
Blade Brake Action ____________________ 70
PTO U-Joints ________________________ 71
Safety Switch System__________________ 71
Forward Speed Control Friction Lock _____ 71
REPLACING/REPAIRING _________________ 72
Drive Belts ___________________________ 72
Engine PTO Drive Belt ________________ 73
Jackshaft Drive Belt __________________ 74
GHS Blower Drive Belt ________________ 75
Hydrostatic Ground Drive Belt ___________ 76
Deck Drive Belt (Optional DS60-3 Deck) ___ 77
Fuel Filter ___________________________ 78
Blade Overload Shear Bolts_____________ 78
Mower Blades ________________________ 79
ADJUSTMENTS ________________________ 80
Transmission Control__________________ 80
Steering Lever Position Adjustment ______ 80
Set FSC Travel Limits (Stop) ____________ 80
Set Maximum Forward
Travel Speed (Stop) __________________ 81
Neutral Function Adjustment ____________ 81
Straight Ground Travel Adjustment _______ 82
Blade Clutch (PTO) ____________________ 83
Clutch Engagement/Belt Tension ________ 83
Clutch Disengagement/Brake Action _____ 84
Stop Block Eccentric Adjustment ________ 85
Clutch Idler Pulley Travel Adjustment _____ 85
Blade Brake Band Adjustment __________ 86
Forward Speed Control Friction Lock _____ 87
Steering Handles _____________________ 88
Tilt-Up Deck Adjustable Stop ____________ 88
GHS āFullā Signal Horn Adjustment ______ 89
MAINTENANCE AND SERVICE
RECORD SHEET _______________________ 90
Warranty _____________________ 91