Owner`s manual
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 40
Check/Clean Engine Air Cooling System*
x 47
Clean Grass Buildup Under Deck
x 51
Service Mower Blades
x 53
Check Security of Air Cleaner System
x 53
Check Air Filter Restriction Gauge
x 49
Lubricate Grease Fittings and Oil Points*
x 43
Check Transaxle Fluid
x 46
Check Tire Pressure
x 53
Check Drive Belts
(Engine/PTO, Ground Drive)
x 55
Check Deck Gearbox Oil Seals
x 55
Check Safety Switch System
x 56
Change Engine Crankcase Oil** (MBV)
x 40
Change Engine Oil Filter (MBV)
x 40
Check Security of Drive Tire
Mounting Nuts (75 to 85 ft-lbs.)
x 53
Clean Transaxle Cooling Fins
x 52
Check Blade Brake Action
x 55
Clean Engine Cooling Fins
x 48
Check Air Filter Element
Δ
x 49
Check/Regap Spark Plugs
x 55
Change Engine Crankcase Oil** (MBK)
x 42
Change Engine Oil Filter (MBK)
x 42
Change Transaxle Oil and Filter
x 46
Replace Fuel Filter
x 60
Check FSC Friction Lock
x 56
Check Fuel Lines and Clamps
x 55
Replace Air Filter Element,
and Dust Ejection Valve
Δ
x 50
Service Solenoid Shift Starter (MBK)
x 55
Check PTO U-Joints for Wear/Looseness
x 55
Service Battery
x 53
Replace Fuel Lines and Clamps
x 55
∗ More often in extremely dusty or dirty conditions
∗∗ Change engine oil and lter after rst 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 lter 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).