Table of ContentsMaintenance Instructions __________ 42MAINTENANCE SCHEDULE CHART _______ 42IMPORTANT TIPS FOR CAREOF THE SUBARU ENGINE ________________ 43Fuel System _________________________ 43Starting _____________________________ 43Cooling System ______________________ 43Air Cleaner System ____________________ 43Oil__________________________________ 43LUBRICATION _________________________ 44Engine Oil ___________________________ 44Engine Break-In Oil ___________________ 44Checking Engine Crankcase Oil Level ____ 44Changing Engine Crankcase Oil _________ 45Grease Fitting and Oil Point Lubrication __ 45Mower Deck Gearbox Lubrication ________ 48Tractor PTO Gearbox Lubrication ________ 48Gear Axle Lubrication _________________ 49Hydrostatic Transmission Fluid _________ 49Checking HydrostaticTransmission Fluid Level ______________ 49CLEANING ____________________________ 50Engine Air Cleaner System _____________ 50Donaldson Radialseal™ Air Cleaner ______ 50Fuel Filter ___________________________ 52Engine Cooling System ________________ 53Cooling Air Intake System ______________ 53Cylinder Head Cooling Fins ____________ 53Grass Buildup in Mower Deck Housing ___ 54GHS Blower __________________________ 55GHS Exhaust Screen __________________ 55Hydrostatic Transmission Cooling Fins ___ 56CHECKING/SERVICING__________________ 56Security of Air Filtration Components ____ 56Battery ______________________________ 56Electrolyte Level _____________________ 56Cleaning the Terminals ________________ 57Charging the Battery __________________ 57Tire Pressure_________________________ 57Sharpen Mower Blades ________________ 57Drive Belts ___________________________ 59Mower Deck Gearbox Oil Seals __________ 59Spark Plug ___________________________ 59Breaker Points _______________________ 59Fuel Lines and Clamps _________________ 59Blade Brake Action ____________________ 59Safety Switch System__________________ 60Forward Speed Control Friction Lock _____ 60REPLACING/REPAIRING _________________ 61Drive Belts ___________________________ 61Engine Belt _________________________ 62PTO Drive Belt ______________________ 63Ground Drive Belt ____________________ 64Blade Overload Shear Bolts_____________ 65PTO Shear Pin (If Equipped) ____________ 65Mower Blades ________________________ 66ADJUSTMENTS ________________________ 67Steering Levers_______________________ 67Tilt-Up Deck Adjustable Stop ____________ 67GHS Signal Horn Adjustment(When Horn Sounds at Wrong Time) ______ 67Operator’s Notes _______________ 69Warranty _____________________ 71