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Maintenance Instructions
57
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MT, MTL, MTEFI, MTLEFI
Service Item
Daily
25
Hours
100
Hours
200
Hours Yearly
Every
2Years
Ref.
Page
Check Engine Crankcase Oil Level x 59
Check/Clean Engine Air Cooling System* x 68
Check Coolant Level, Radiator/Overflow Tank (MTL) x 72
Clean Radiator Screen and Cooling Fins* (MTL) x 69
Check Security of Air Filtration Components x 72
Check Air Filter Restriction Gauge x 67
Clean Grass Buildup Under Deck x 70
Clean GHS Exhaust Screen* x 51
Clean GHS Blower* x 71
Service Mower Blades x 74
Check Functions of Instrument Panel and
Warning Horn
x27
Lubricate Grease Fittings and Oil Points* x 63
Check PTO Gearbox Oil Level** x 62
Check Battery Electrolyte Level x 73
Check Hydrostatic Transmission Fluid
x63
Check Tire Pressure x 74
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x75
Check Gearbox Oil Seals x 75
Check Safety Switch System x 76
Check Turbine Precleaner* x 66
Check Blade Brake Action x 76
Check Air Filter Element*** x 67
Check Oil Level in Gear Axle x 62
Clean Hydrostatic Transmission Cooling Fins x 71
Clean Engine Cooling Fins (MT, MTEFI) x 69
Change Engine Crankcase Oil (MT, MTEFI)
x60
Check Wheel Bolt Torque (75 to 85 ft-lbs) x 74
Change Engine Oil Filter (MT, MTEFI)
x60
Change Engine Crankcase Oil (MTL)
x60
Change Engine Oil Filter (MTL)
x60
Check Radiator Hoses and Clamps (MTL) x 76
Check/Regap Spark Plugs x 75
Replace Air Filter Element, Safety Filter,
Vacuator™ Valve***
x67
Replace Fuel Filter x82
Flush Radiator and Change Coolant (MTL) x 70
Service Battery x73
Check FSC Friction Lock x76
Service Solenoid Shift Starter x
Check PTO U-Joints for Wear/Looseness x 76
Check Fuel Lines and Clamps x 75
Change Gear Axle Oil
x62
Change Hydrostatic Transmission Fluid
x
Replace Radiator Hoses and Clamps (MTL) x 76
Replace Fuel Lines and Clamps x75
Replace Ignition Wires x75
More often in extremely dusty or dirty conditions (refer to notes about air cleaner element in
IMPORTANT TIPS FOR CARE OF KOHLER ENGINE)
Change PTO gearbox oil after first 100 hours of operation (break-in period)
Air cleaner is remote mounted Donaldson Radialseal™ unit, replace filter every year
Change engine oil and filter after first 5 hours of operation of a new engine (break-in period)
Change every 2 years or 1000 hours
See your Walker dealer for this service or refer to the Walker Service Manual
Hydrostatic transmissions are sealed - DO NOT OPEN RESERVOIR CAPS - refer to Hydrostatic
Transmission Fluid
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.