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S2.1 Maintenance Schedule For RigMaster models 2007 and newer
The first oil change must be performed at 50 hours of service and at 1000 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
50
250
X
X
X
X
1
Please note that the Tier 4 compliant engines uses API oil specification CJ-4, however,
CJ-4 oil is backwards compatible and can be used in earlier Tier 2 engines.
2
The use of conditioner may extend the service life of belts; consult the belt
manufacturer for more information on belt maintenance.
Copyright RigMaster Power by Mobile Thermo Systems Inc.
RigMaster Service and Repair Manual
Document # S210909
NOTE
500
1000
X
X
X
X
X
X
X
X
X
X
X
MAINTENANCE ITEMS
Change engine lubricating oil and oil filter. (First
oil change only.)
Check coolant level
Check all fasteners for tightness
Check/Repair auxiliary power unit for any leaks or
damage
Change engine lubricating oil; fill slowly.
Change oil filter
Clean generator
Check HVAC unit filter, clean if necessary
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
Check fan belt, change if necessary
Check serpentine alignment (S3.4)
Check serpentine belt, change if necessary
Check coolant concentration, renew if necessary,
1
2
2
09-28-09
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Summary of Contents for Rigmaster 2007 RigMaster
- Page 1 RigMaster Service and Repair Manual Document # S210909 S2.1 Maintenance Schedule For RigMaster models 2007 and newer NOTE The first oil change must be performed at 50 hours of service and at 1000 hour intervals thereafter. Please read the following chart for detailed information.
-
Page 2: Maintenance Items
CJ-4 oil is backwards compatible and can be used in earlier Tier 2 and older engines. The use of conditioner may extend the service life of belts; consult the belt manufacturer for more information on belt maintenance. Copyright RigMaster Power by Mobile Thermos Systems Inc. 09-28-09... - Page 3 Document # S220909 S2.2A Oil Pans Depending on the engine in the RigMaster APU, you can have either a 2 L/2qt oil pan or a 3L/3qt oil pan. Below shows the differences between the two and how to identify which oil pan the RigMaster is equipped with.
- Page 4 Check the engine mounts for wear Check Electrical Connections Positive at negative post studs at the backing plate on the RigMaster for loose connections or corrosion. APU engine ground check for loose connections or corrosion Check wiring harness for damage/corrosion i.e.
- Page 5 Document # S240909 S2.4 Replacing the Serpentine Belt 2008 and newer models of RigMaster APUs incorporate a serpentine belt and auto tensioner system to drive the air conditioning compressor and the 120 Volt AC generator from the flywheel at the back of the engine. The fan belt drives the alternator and water pump from the crank pulley on the front side of the engine.
- Page 6 6. Replace and route drive belt as shown in figure 2-1. 7. Rotate the engine to ensure that the belt is properly seated on all pulleys before starting the engine. Serpentine Belt Figure 2-4 Figure 2-5 Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 7 Pulleys that are not properly aligned can cause wear and premature belt failures that are not covered under warranty. Please see Serpentine Drive Section 3.4 for proper alignment procedures. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 8 Check the compressor pivot block for wear or wallowing of the hole. This will allow the compressor to ship position and damage the adjuster arm or ears of the compressor. Tension, lb (kgf) 132 ± 5 (60 ± 2) Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 9 Install the new belt. Tighten the two (2) 1/4” hex nuts evenly until the belt is tight making sure the belt is straight. Install the generator cover & the bottom cover plate. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
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Page 10: Pivot Bolt
Inspect the fan for broken blades or worn tips; if the blade(s) are damaged check the engine mounts and bottom stiffeners for damage, loose bolts or worn engine mounts. Also see that a foreign object did not enter the engine compartment. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09... - Page 11 Inspect the fan for broken blades or worn tips; if the blade(s) are damaged check the engine mounts and bottom stiffeners for damage, loose bolts or worn engine mounts. Also see that a foreign object did not enter the engine compartment. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 12 9. Check the lubricating oil level on the dipstick and add oil as necessary. Oil Filler Cap on Tier 4a Engine Figure 2-8 NOTE Replace engine oil and filter every 1000 Hours Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 13 6. Open the fuel shut-off valve and loosen the right bleed screw on the filter head assembly. 7. Bleed the low pressure system. (see section S5A-2) Start the engine and check for leaks Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 14 Figure 2-1 Air Filter Assembly The RigMaster APU uses an air canister and high quality pleated filter to prevent debris from entering the engine. The air filter element is not washable and requires that it is examined regularly and replaced as required by the Maintenance Schedule found in section S2...
- Page 15 8. Tighten the hose clamps, and double check the lid is on properly. NOTE Before test running the engine inspect the filter hoses for cracks or brittle sections. Damaged or degraded hose should be replaced. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 16 5. If the generator windings are wet, ensure that the generator is completely dry before using the generator. Operating the generator with wet windings will result in damage to the insulation on the windings. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...
- Page 17 2. Wash the air filter using soapy water or blow clean with compressed air and allow filter to dry completely. 3. Reinsert the air filter and hand tighten the two thumb nuts. Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09...