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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
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 2-3
Check/Clean Engine Air Cooling System* x 3-24
Check Coolant Level, Radiator/Overflow Tank MTL x 3-11
Clean Radiator Screen and Cooling Fins* MTL x 3-25
Check Security of Air Filtration Components x 3-12
Check Air Filter Restriction Gauge x 3-22
Clean Grass Buildup Under Deck x 3-28
Clean GHS Exhaust Screen* x 3-30
Clean GHS Blower* x 3-29
Service Mower Blades x 3-13
Check Functions of Instrument Panel and
Warning Horn
x
Lubricate Grease Fittings and Oil Points* x 2-15
Check PTO Gearbox Oil Level** x 2-10
Check Battery Electrolyte Level x
Check Hydrostatic Transmission Fluid x 2-13
Check Tire Pressure x 3-12
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x3-14
Check Gearbox Oil Seals x 3-15
Check Turbine Precleaner* x 3-18
Check/Clean Air Filter Element*** x 3-22
Check Oil Level in Gear Axle x 2-13
Clean Hydrostatic Transmission Cooling Fins x 3-30
Clean Engine Cooling Fins MT, MTEFI x 3-24
Change Engine Crankcase Oil MT, MTEFI
Ī
x2-5
Check Wheel Bolt Torque (75 to 85 ft-lb) x 3-12
Change Engine Oil Filter MT, MTEFI
Ī
x2-5
Change Engine Crankcase Oil MTL
Ī
x2-5
Change Engine Oil Filter MTL
Ī
x2-5
Check Radiator Hoses and Clamps (MTL) x 3-15
Check Fuel Lines and Clamps x 3-15
Check/Regap Spark Plugs x
Replace Air Filter Element, safety filter,
Vacuator⢠Valve***
x3-22
Replace Fuel Filter x4-24
Flush Radiator and Change Coolant (MTL) x 3-26
Service Battery x3-12
Check PTO U-Joints for Wear/Looseness x 3-17
Change Gear Axle Oil
ĪĪ
x2-13
Replace Radiator Hoses and Clamps (MTL) x 3-15
Replace Fuel Lines and Clamps x 3-15
Replace Ignition Wires x
ā More often in extremely dusty or dirty conditions
āā Change PTO gearbox oil after first 100 hours of operation (break-in period)
āāā Air cleaner is remote mounted Donaldson Radialseal⢠unit, replace filter every year or after 6 cleanings
Ī Change engine oil and filter after first 5 hours of operation of a new engine (break-in period)
ĪĪ Change every 2 years or 1000 hours
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.