Maintenance Instructions
37
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MBV AND MODEL MBK
Service Item
Daily
25
Hours
50
Hours
100
Hours
200
Hours
400
Hours
Yearly
Every
2 Years
Ref.
Page
Check Engine Crankcase Oil Level
x
Check/Clean Engine Air Cooling System*
x
Clean Grass Buildup Under Deck
x
Service Mower Blades
x
Check Security of Air Cleaner System
x
Check Air Filter Restriction Gauge
x
Lubricate Grease Fittings and Oil Points*
x
Check Transaxle Fluid
x
Check Tire Pressure
x
Check Drive Belts
(Engine/PTO, Ground Drive)
x
Check Deck Gearbox Oil Seals
x
Check Safety Switch System
x
Change Engine Crankcase Oil** (MBV)
x
Change Engine Oil Filter (MBV)
x
Check Security of Drive Tire
Mounting Nuts (75 to 85 ft-lbs.)
x
Clean Transaxle Cooling Fins
x
Check Blade Brake Action
x
Clean Engine Cooling Fins
x
Check Air Filter Element
Δ
x
Check/Regap Spark Plugs
x
Change Engine Crankcase Oil** (MBK)
x
Change Engine Oil Filter (MBK)
x
Change Transaxle Oil and Filter
x
Replace Fuel Filter
x
Check FSC Friction Lock
x
Check Fuel Lines and Clamps
x
Replace Air Filter Element,
and Dust Ejection Valve
Δ
x
Service Solenoid Shift Starter (MBK)
x
Check PTO U-Joints for Wear/Looseness
x
Service Battery
x
Replace Fuel Lines and Clamps
x
∗
More often in extremely dusty or dirty conditions
∗∗
Change engine oil and filter after first 5-8 hours
of operation of a new engine (break-in period)
∗∗∗
See your Walker dealer for this service or refer to the
Walker Service Manual
Δ
Air cleaner is remote mounted Cummins/Fleetguard
OptiAir™ unit, replace filter every year
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).