RigMaster Service and Repair Manual
Document # S220909
Copyright RigMaster Power by Mobile Thermos Systems Inc. 09-28-09
S2.2 Maintenance Schedule for models 2006 and older
NOTE
The first oil change must be performed at
of service and at 500 hour intervals
thereafter. Please read the following chart for detailed information.
Maintenance schedules listed below are for NORMAL road conditions and the specific hour
intervals must be adhered to. For SEVERE conditions perform the scheduled maintenance(s)
earlier.
SCHEDULED INTERVALS IN HOURS MAINTENANCE ITEMS
50 250 500 1000
X
Change engine lubricating oil and oil filter. (First
oil change only.)
X X X X
Check coolant level
Check all fasteners for tightness
X X X X
Check/Repair auxiliary power unit for any leaks or
damage
X X
Change engine lubricating oil; fill slowly.
1
Change oil filter
X X
Clean generator
X
Check HVAC unit filter, clean if necessary
X X
Clean engine compartment, condenser, and
radiator. Use compressed air or liquid degreaser.
Check engine air filter, change if necessary
Check fuel filter, change if necessary
X
Check fan belt, change if necessary
2
X
Check AC compressor belt, change if necessary²
X
Check generator belt, change if necessary
2
Check coolant concentration, renew if necessary,
1
When filling the engine with oil from the cylinder head, fill the oil slowly so as not to
overflow into the intake and cause hydraulic lock of the cylinders.
CJ-4 oil is backwards compatible and can be used in earlier Tier 2 and older engines.
2
The use of conditioner may extend the service life of belts; consult the belt
manufacturer for more information on belt maintenance.
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