Walker MT, MTL, MTEFI, MTLEFI, Detailed Instructions, Page: 106 / 256

Page: 3-4
WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MD
Service Item
Daily
25
Hours
100
Hours
200
Hours Yearly
Every
2Years
Ref.
Page
Check Engine Crankcase Oil Level x 2-3
Check Coolant Level in Radiator
and Overflow Tank
x 3-11
Clean Radiator Screen and Cooling Fins* 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 and Engine Fan Belt)
x 3-14
Check Gearbox Oil Seals x 3-15
Check Turbine Precleaner* x 3-18
Check/Clean Air Filter Element*** x 3-22
Change Engine Crankcase Oil
Δ
x 2-5
Check Fan Belt Tension x 3-11
Check/Adjust Blade Clutch (PTO) / Brake Action x 3-17
Check Oil Level in Gear Axle x 2-13
Clean Hydrostatic Transmission Cooling Fins x 3-30
Change Engine Oil Filter x 2-5
Check Radiator Hoses and Clamps x 3-15
Check Fuel Lines and Clamps x 3-15
Replace Air Filter Element and
Vacuator™ Valve***
x 3-22
Replace Fuel Filters x 4-25
Flush Radiator and Change Coolant x 3-26
Service Battery x 3-12
Check Fuel Injection Nozzle Pressure x 3-15
Check/Adjust FSC Friction Lock x 4-59
Check Engine Valve Clearance
ΔΔ
x 3-15
Check/Adjust Vertical Position of
Grass-Pak
®
Switch
x 4-72
Change Gear Axle Oil
ΔΔΔ
x 2-13
Change Hydrostatic Transmission Fluid
ΔΔΔ
x 2-14
Replace Radiator Hoses and Clamps x 3-15
Replace Fuel Lines and Clamps x 3-15
∗
More often in extremely dusty or dirty conditions
∗∗
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 or after 6 cleanings
Δ
Change engine oil and filter after first 35 hours of operation of a new engine (break-in period)
ΔΔ
Change every year or 800 hours
ΔΔΔ
Change every 2 years or 1000 hours
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.