RigMaster Service and Repair Manual
Document # S240909
Copyright RigMaster Power by Mobile Thermo Systems Inc. 09-28-09
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.
1 Belt Auto Tensioner RP8-106
2 Drive Pulley Adapter RP8-100
3 Drive pulley RP8-101
4 Compressor RP9-132
5 Idle Pulley RP8-103
6 Generator Pulley RP8-102
NOTE
The serpentine belt should be inspected every 1000 hours of operation.
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