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 “Full” Signal Horn Adjustment ______ 89
MAINTENANCE AND SERVICE
RECORD SHEET_______________________ 90
Warranty _____________________ 91
