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