SERVICE
Service - 61
4500K Maintenance Checklist
4500K - Vanguard Model 54 Air-Cooled
Maintenance
Checklist
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Grease & Lubrication: See Lubrication Section
Front Hitch
21
Lift Cylinder
21
Center Pivot
11
Steering Cylinder
21
Drive-Shaft
21
3 Pt Cylinder @
21
3 Pt Pivot
@
21
Lower Connector Link
21
Seat Slide
2#
Check Hydraulic Oil Level
Replace Fuel Filter
Drain Water & Sediment from Fuel Tank
Hydraulic System
Service Engine: Remove Blower Housing
Bulkhead. Inspect and Clean
Service Engine: Remove Cylinder Head
Covers and Clean Cylinder Heads
Clean Engine Compartment, Engine, and
Engine Rotating Screen
Consult Engine Owner's Manual; Follow Service Intervals for Heavy Loads and High Temperatures*
Inspect Primary Air Filter
Replace Primary Air Filter
Replace Safety Air Filter
Check Engine Oil Level
Change Engine Oil & Filter
!
Clean/Replace Spark Plugs (Gasoline
Engines)
Grease & Lubrication: See Lubrication Section
Engine
!
Inspect Operator Interlock System
Inspect ROPS structure and seatbelt
Inspect Battery, Electrical Connections, and
Lights
# Silicon Based Spray Lubricant
Change Hydraulic Oil and
Rear Transaxle Oil
! Consult Engine Owner's Manual for engine oil information and complete servicing information
@ Optional Equipment
^ Grease Until Fresh Grease is visible
Check Front Hitch Pivot Bolts.
Torque to 150 ft-lbs
* If heavy load, high temperature, or dusty condition service intervals are not specified, Ventrac recommends servicing more frequently at 1/2 the standard service interval.
** Operation in severe conditions may require more frequent service intervals.
Check Wheel Lug Nuts. Torque to 55 ft-lbs
Check Steering Cylinder Bolts.
Torque to 150 ft-lbs
Check Front/Rear Connector Link Bolts.
Torque to 150 ft-lbs
Inspect for Loose, Missing, or Worn
Components
Inspect Belts, Fuel Lines, and Hydraulic
Lines
Check Tire Pressure.
Replace Light Bulbs
Clean Battery Terminals & Compartment
Inspection
Parking Brake
Parking Brake Inspection & Adjustment
Electrical
Check Hydraulic Oil Level
Check Rear Transaxle Oil Level
Change Hydraulic Filters
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