Walker MC (20 HP) - Manual (Page 45)

Maintenance Instructions
41
CAUTION
Maintenance procedures requiring special training or
tools should be performed by a trained technician.
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MC
Service Item
Daily
25
Hours
100
Hours
200
Hours Yearly
Every
2Years
Ref.
Page
Check Engine Crankcase Oil Level x 43
Check/Clean Engine Air Cooling System* x 52
Check Security of Air Filtration Components x 55
Check Air Filter Restriction Gauge x 51
Clean Grass Buildup Under Deck x 53
Clean GHS Exhaust Screen* x 38
Clean GHS Blower* x 54
Service Mower Blades x 56
Check Function of Oil Pressure Warning Horn x 22
Lubricate Grease Fittings and Oil Points* x 47
Check PTO Gearbox Oil Level** x 46
Check Battery Electrolyte Level x 55
Check Hydrostatic Transmission Fluid x 46
Check Tire Pressure x 56
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x 57
Check Gearbox Oil Seals x 58
Check Turbine Precleaner* x 50
Check/Clean Air Filter Element
Δ
x 51
Change Engine Crankcase Oil
ΔΔ
x 43
Check Oil Level in Gear Axle x 46
Clean Hydrostatic Transmission Cooling Fins x 55
Clean Engine Cooling Fins x 53
Check/Regap Spark Plugs x 58
Change Engine Oil Filter x 43
Check Fuel Lines and Clamps x 58
Replace Air Filter Element
and Vacuator™ Valve
Δ x 51
Replace Fuel Filter x 64
Service Battery x 55
Change Gear Axle Oil
ΔΔΔ
x 46
Replace Fuel Lines and Clamps x 58
∗ More often in extremely dusty or dirty conditions
∗∗ Change PTO gearbox oil after first 100 hours
of operation (break-in period)
Δ Air cleaner is remote mounted Donaldson Radialseal™
unit, replace filter every year or after 6 cleanings
ΔΔ Change engine oil and filter after first 5 hours of
operation of a new engine (break-in period)
ΔΔΔ
Change every 2 years or 1000 hours
CAUTION
When performing maintenance with the
mower body raised, a safety prop should
be installed from back of body to chassis
frame (fail-safe protection in case of fail-
ure of body lift support). For GHS Model,
empty grass catcher before raising body.