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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
S y s t e m V 9 0 0 0 8 2
2 0 0 5 - 2 0 0 7 F o r d F - 2 5 0 - F - 5 5 0
T r i t o n 5 . 4 L 3 V a l v e V 8 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 S y s t e m V 9 0 0 0 8 2 2 0 0 5 - 2 0 0 7 F o r d F - 2 5 0 - F - 5 5 0 T r i t o n 5 .

  • Page 3: Table Of Contents

    5.2 After Starting the Engine Checklist........23 5.3 Setup, Performance Testing and Adjustments ....24 5.4 System Identification and Warnings ........25 5.5 Auxiliary Air Receiver ............26 Accessory Products from VMAC ..........27 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

    (optional). □ Remove the rubber protective flaps attached to the cross- member under the radiator. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 7 □ Clean the front of the engine on the driver’s side. □ Clean the center of the OEM crank pulley. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 8: Part 2: 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 9 Support the tank and L-bracket assembly in place on the outside of the frame between the cab mounts, with the short part of the L-bracket over the top of the frame. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 10 Do not over-tighten. □ Install a second 5/16 inch nut and tighten it securely against the first to act as a locknut. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 11: Part 3: Installing The Cooler, Bracket And Compressor

    Loosen the clamp on the other cooler hose, connect it to the engine, adjust for best fit and secure it with clamps. □ Connect the 1/2 inch hose from the VR tank to the passenger side fitting on the cooler. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 12 M10 x 90 mm bolts Cooler mount bracket with washers Mount brackets Cross-member Figure 3.1 Cross-member 1/2” hose to compressor 1/2” hose from tank Figure 3.2 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 13: Installing The Main Bracket And Compressor

    Push the bracket against the engine, check to make sure it fits properly and install the M10 x 35mm fastener with washer in the lower mounting point lightly snug down all the fasteners. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 14: Installing Drive Belts And Components

    Attach the OEM ground connection under the alternator bracket so that it touches bare metal. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 15: Installing The Hoses

    □ Tighten all hose connections at the tank, cooler and compressor. Prevent the hoses from twisting during tightening. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 16 □ Install all other OEM components. □ 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 17: Adding Oil To The System

    3.5 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. □ Remove the fill plug from the air inlet control valve and pour oil into the oil fill hole on the inlet control valve using a funnel.

  • Page 18: 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 19: Installing The Components

    □ Tie-wrap the throttle control to the dash support bracket to the right of the steering column, behind the diagnostic connector (Figure 4.2) with the adjusting screws facing out. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 20: Connecting The In-Cab Wiring

    Connect the white wire from the throttle controller to the “clean tach out” circuit 76 (green with white stripe wire) at the blunt-cut harness under the dash near the park brake (Figure 4.4). VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 21 White wire with a light blue stripe OEM ground OEM diagnostic connector Figure 4.3 Wire bundle HOOD Figure 4.4 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...
  • Page 22 6 inches, strip the end and crimp it to the short blue wire at the throttle controller with the butt connector. Green wire with a red stripe Figure 4.5 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 23: 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 24 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 25: Part 5: Finishing The Installation

    Push the “OFF” button. □ Repeat this test in all gear selector positions to make sure that the engine does not idle up unless the selector is in PARK. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 26: Setup, Performance Testing And Adjustments

    1. Install the test tool in the tank outlet fitting. 2. Make sure that the ball valve is closed. 3. Place the manual transmission in NEUTRAL or the automatic transmission in PARK and fully apply the park brake. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-800-738-8622 Fax: 1-250-740-3201...

  • Page 27: 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 28: 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 29: 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 31 Warranty Registration This form must be fully completed and returned to VMAC at the time of installation. Warranty may be void if this form is not received by VMAC within 30 days of installation. VMAC’s Warranty policy and registration can be viewed online at: www.vmacair.com/warranty...
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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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