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Maintenance Instructions
45
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MC19
Service Item
Daily
25
Hours
100
Hours
200
Hours
400
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level x 47
Check/Clean Engine Air Cooling System* x 56
Check Security of Air Filtration Components x 59
Check Air Filter Restriction Gauge x 54
Clean Grass Buildup Under Deck x 57
Clean GHS Exhaust Screen* x 59
Clean GHS Blower* x 58
Service Mower Blades x 60
Check Function of Oil Pressure Warning Horn x 25
Lubricate Grease Fittings and Oil Points* x 51
Check PTO Gearbox Oil Level** x 50
Check Battery Electrolyte Level x 59
Check Hydrostatic Transmission Fluid
◊
x 50
Check Tire Pressure x 60
Check Drive Belts (Jackshaft, Engine PTO,
GHS Blower, Ground Drive)
x 61
Check Deck Gearbox Oil Seals x 62
Check Safety Switch System x 62
Check Turbine Precleaner* x 54
Check Air Filter Element *** x 55
Change Engine Crankcase Oil
Δ
x 47
Check Oil Level in Gear Axle x 50
Clean Hydrostatic Transmission Cooling Fins x 59
Clean Engine Cooling Fins x 57
Check Blade Brake Action x
62
Check Wheel Bolt Torque (75 to 85
lb·ft)
x 60
Check/Regap Spark Plugs x 62
Change Engine Oil Filter x 47
Replace Air Filter Element,
and Dust Ejection Valve ***
x 55
Check Fuel Lines and Clamps x 62
Replace Fuel Filter x 69
Service Battery x 59
Check FSC Friction Lock x 63
Service Solenoid Shift Starter x 62
Check Engine Valve Clearance x
ΔΔΔ
Change Gear Axle Oil
ΔΔ
x 50
Replace Fuel Lines and Clamps x 62
Change Hydrostatic Transmission Fluid
ΔΔ
x
ΔΔΔ
∗ More often in extremely dusty or dirty conditions
∗∗ Change PTO gearbox oil after rst 100 hours
of operation (break-in period)
∗∗∗ Air cleaner is remote mounted Enginaire™ unit,
replace lter(s) every 400 hours and dust ejection
valve every two years or when worn or damaged
Δ Change engine oil and lter after rst 5 hours of
operation of a new engine (break-in period)
ΔΔ Change every 2 years or 1000 hours
ΔΔΔ 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.
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). Empty grass catcher
before raising body.