
VMAC –Vehicle Mounted Air Compressors
Toll Free: 1-888-241-2289
Fax: 1-250-740-3201
Installation Manual for VMAC
System V900113
2013-2011 GM 2500HD-3500HD
6.6L Duramax Diesel
General Information..................................................................... 3
Before You Start....................................................................... 3
Additional Requirements .......................................................... 3
Part 1: Warranty and System ID
................................................. 5
Part 2: Preparing for Installation................................................ 8
2.1 Preparing for Installation - Electrical................................... 8
2.2 Preparing for Installation - Mechanical............................... 11
Part 3: Installing the Control Components ............................... 16
3.1 Installing the Components.................................................. 17
3.2 Connecting the In-Cab Wiring............................................ 17
3.3 Connecting the Under-Hood Wiring................................... 18
Part 4: Installing the Tank and Hoses........................................ 20
4.1 Installing the Tank and Brackets........................................ 20
4.2 Installing the Tank Assembly.............................................. 22
Part 5: Installing the Main Bracket, Compressor, and Cooler 25
5.1 Installing the Main Bracket and Compressor ..................... 25
5.2 Installing the Oil Cooler ...................................................... 30
5.3 Connecting the Hoses........................................................ 33
5.4 Completing the Installation................................................. 34
5.5 Adding Oil to the System.................................................... 36
Part 6: Finishing the Installation................................................ 37
6.1 Connecting to Switched Power .......................................... 37
6.2 Securing the Wiring............................................................ 37
6.3 Safety Test ......................................................................... 38
6.4 Before Starting the Engine Checklist.................................. 38
6.5 After Starting the Engine Checklist .................................... 39
6.6 Setup, Performance Testing and Adjustments................... 40
6.7 Auxiliary Air Receiver ......................................................... 41
Accessory Products from VMAC ............................................... 42