Table of Contents
Maintenance Instructions __________ 45
MAINTENANCE SCHEDULE CHART _______ 45
IMPORTANT TIPS FOR CARE
OF THE KOHLER ENGINE ________________ 46
Fuel System _________________________ 46
Starting/Stopping _____________________ 46
Cooling System ______________________ 46
Air Cleaner System ____________________ 46
Oil__________________________________ 46
LUBRICATION _________________________ 47
Engine Oil ___________________________ 47
Engine Break-In Oil ___________________ 47
Checking Engine Crankcase Oil Level ____ 47
Changing Engine Crankcase Oil/Oil Filter __ 47
Mower Deck Spindle Lubrication ________ 49
DR52, DS60 or DR64 Mower
Deck Lubrication _____________________ 49
Check Transaxle Fluid Level ____________ 49
Grease Fitting and Oil Point Lubrication __ 49
Transaxle Oil and Filter Change _________ 52
CLEANING ____________________________ 53
Engine Air Cleaner System _____________ 53
Turbine Precleaner ___________________ 53
Cummins/Fleetguard OptiAirâ„¢
Air Cleaner _________________________ 53
Engine Cooling System ________________ 55
Cooling Air Intake Screen ______________ 55
Cylinder Head Cooling Fins ____________ 56
Grass Buildup in Mower Deck Housing ___ 57
Transaxle Housing ____________________ 58
CHECKING/SERVICING __________________ 59
Security of Air Cleaner System __________ 59
Battery ______________________________ 59
Electrolyte Level _____________________ 59
Cleaning the Terminals ________________ 60
Charging the Battery __________________ 60
Tire Pressure _________________________ 60
Wheel Nut Torque _____________________ 60
Sharpen Mower Blades ________________ 60
Drive Belts ___________________________ 61
Spark Plugs __________________________ 61
Ignition Wires ________________________ 61
Fuel Lines and Clamps _________________ 61
Engine Starter ________________________ 61
Transmission Control Setting ___________ 62
Neutral-Park ________________________ 62
Straight Ground Tracking ______________ 62
Blade Brake Action ____________________ 62
PTO U-Joints ________________________ 62
Safety Switch System__________________ 62
Forward Speed Control Friction Lock _____ 63
REPLACING/REPAIRING _________________ 64
Drive Belts ___________________________ 64
Engine/PTO Belt _____________________ 65
Ground Drive Belt ____________________ 66
Deck Drive Belt ______________________ 67
Fuel Filter ___________________________ 68
Mower Blades ________________________ 69
ADJUSTMENTS ________________________ 70
Transmission Control__________________ 70
Steering Lever Position Adjustment ______ 70
Steering Handles Adjustment ___________ 70
Neutral Function Adjustment ____________ 71
Full Forward Speed Adjustment _________ 72
Straight Tracking Adjustment ___________ 72
FSC Neutral Switch Adjustment _________ 72
Forward Speed Control
Friction Adjustment ___________________ 73
Blade Clutch (PTO) ____________________ 74
Clutch Engagement/Belt Tension ________ 74
Clutch Disengagement/Brake Action _____ 75
Idler Pulley Maximum Travel Adjustment __ 75
Blade Brake Band Adjustment __________ 76
MAINTENANCE AND SERVICE
RECORD SHEET _______________________ 77
Warranty _____________________ 79