Vmac VR70 Installation Manual

Vmac VR70 Installation Manual

Underhood air compressor
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V R 7 0 U N D E R H O O D
A I R C O MP R E S S O R
I N S T A L L A T I O N MA N U A L
V 9 0 0 0 9 1
2 0 0 8 F o r d F - 2 5 0 - F - 5 5 0
6 . 8 L T r i t o n V 1 0 G a s
w w w . v ma c a i r . c o m

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Summary of Contents for Vmac VR70

  • Page 1 V R 7 0 U N D E R H O O D A I R C O MP R E S S O R I N S T A L L A T I O N MA N U A L V 9 0 0 0 9 1 2 0 0 8 F o r d F - 2 5 0 - F - 5 5 0 6 .
  • Page 3: Table Of Contents

    5.2 After Starting the Engine Checklist........26 5.3 Setup, Performance Testing and Adjustments....27 5.4 System Identification and Warnings........28 5.5 Auxiliary Air Receiver ............29 Accessory Products from VMAC ..........30 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 4 If you have difficulty with the installation, contact VMAC. The VMAC warranty form must be completed and mailed or faxed to VMAC at the time of installation for any subsequent warranty claim to be considered valid.
  • Page 5: General Information

    Measure the hose shortfall and order a Hose Extender Kit. The following table shows the color code used by VMAC to identify hose diameters. Hose Diameter Colour-Coded Label...
  • Page 6: Part 1: Preparing For Installation

    □ Remove the inner fender mud guard on the driver side. □ Cut to separate the air box from the coolant expansion bottle (Figure 1.1). Figure 1.1 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 7 Cut the hose close to the 90 degree molded elbow on the master cylinder end and reverse the hose so that the elbow will attach to the power steering reservoir. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 8 Carefully bend the brake lines to align the OEM mounting bolt with the hole on the new bracket and fasten the module in place. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 9: Part 2: Installing The Main Bracket, Compressor And Cooler

    Place the main bracket in position to locate the mounting points on the engine. Install and hand tighten the three M8 and one M10 bolts in the front plate (Figure 2.2). VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 10 Remove the multi-wire block from the bracket on the frame by pulling the nylon pin out of the bracket. Move it over and insert the pin into the slotted hole to provide clearance for the compressor. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 11: Installing Drive Belts And Pulleys

    Install the VR drive belt (Figure 2.3). Make sure that it is aligned correctly and clears all components, including the cam position sensor wire harness. Tensioner Compressor Back idler Back idler Back idler Crankshaft Figure 2.3 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 12: Installing Other Components

    Move this harness down and out of the way hole Bend this A/C line down to Install the threaded U-clip and attach provide clearance the end of the support bracket here Figure 2.4 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 13 Connect the hose from the reservoir to the plastic hose connector. Route the 3/4 inch hose from the power steering reservoir to the connector and cut to length as required. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 14 Fasten the hose to the wiring harness on the valve cover with nylon ties so it doesn’t contact any hot or moving parts. Coolant expansion bottle Engine Nylon hose conectors Cooler Cross-member lugs Figure 2.5 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 15: Installing The Cooler

    Connect the OEM oil cooler hoses and make sure that they clear the steering arms (Figure 2.7). VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 16 90 degree coolant hose and install it on the radiator (Figure 2.8). Engine Long 90 degree hose Connector tube Short 90 degree hose OEM quick-connect Radiator Figure 2.8 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 17 Make sure that the hoses will clear the power steering and air intake MAF sensor. Secure all connections with hose clamps. □ Fill the cooling system with the manufacturer recommended coolant. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 18: Part 3: Installing The Tank And Hoses

    □ Remove the two 1/4 inch clamp bolts from the C-clamps. Expand the clamps slightly and slide them over the front of the tank. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 19 □ Install a suitable 3/4 inch fitting (not supplied) in the back of the tank. □ Check tank alignment then tighten the C-clamp bolts and the mounting bolts. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 20: Installing The Hoses

    Insert the 1/4 and 3/16 tubes into the fittings on the back of the tank and cover them with high temperature loom and route them through the frame away from the exhaust system. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 21: Adding Oil To The System

    Tighten the filter an additional 3/4-1 turn after the gasket contacts the base. 3.3 Adding Oil to the System You must use the VMAC supplied and approved compressor oil in this system. Failure to use this special oil will result in damage to the compressor and will void your warranty.
  • Page 22 Install the fill plug in the inlet control valve and tighten it securely. Do not overfill the system. Overfilling the system with oil can flood the sight glass window and make the system appear empty. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 23: Part 4: Installing The Control Components

    Part 4: Installing the Control Components VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 24: Installing The Components

    (Figure 4.1). □ Connect the white wire from the throttle controller to the “clean tach out” circuit CE913 (blue wire) at the blunt-cut harness. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 25 Cut the long blue wire from the throttle controller to approximately 6 inches, strip the end and crimp it to the short blue wire at the throttle controller with the butt connector. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 26: Connecting The Underhood Wiring

    □ Check the control box to see if there is a number showing in the display. If there is no display, there is no power to the control box. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 27 If the vehicle fails the test, check the wiring to make sure that all the connections are correct and secure. If you require additional assistance, contact your local VMAC dealer. Call 1-800-738-8622 or 250-740-3200. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622...
  • Page 28: Part 5: Finishing The Installation

    PARK. □ For trucks with manual transmissions, the compressor should only operate in neutral with the park brake engaged. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 29: Setup, Performance Testing And Adjustments

    You can test the system operation using the tools that will be operated by the system or you can test operations using an orifice in the outlet to simulate tool use (Figure 5.1). Figure 5.1 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 30: System Identification And Warnings

    The System Identification Number Plate must be attached to the vehicle at the time of installation (Figure 5.2). This plate provides information which allows VMAC to assist in customer inquiries and the ordering of parts. Mark and drill two 7/64 inch holes, then secure the plate with self-tapping screws.
  • Page 31: Auxiliary Air Receiver

    The line from the VMAC tank to the auxiliary air receiver must have a one-way check valve installed (part #3600078) to prevent blow back from the auxiliary tank to stop moisture from entering the VMAC tank (Figure 5.4).
  • Page 32: Accessory Products From Vmac

    Accessory Products from VMAC The following accessory products for your VR compressor system are available from VMAC. For more information or to order these products, call 1-800-738-8622. Eliminator Aftercooler Removes up to 80% of moisture from compressed air. Quick installation,...
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  • Page 36 Ma n u f a c t u r e d b y P H 2 5 0 - 7 4 0 - 3 2 0 0 F X 2 5 0 - 7 4 0 - 3 2 0 1 T F 1 - 8 0 0 - 7 3 8 - 8 6 2 2 1 3 3 3 K i p p R o a d , N a n a i mo , B C , V 9 X 1 R 3 C a n a d a w w w .

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