VMAC V900074 Underhood Air Compressor Installation Guide

June 15, 2024
VMAC

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VMAC V900074 Underhood Air Compressor

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Product Information

Specifications

  • Product Name: VMAC System V900074
  • Vehicle Model: Toyota Landcruiser 78
  • Year Range: 2002-2005
  • Engine Type: 4.2L Naturally Aspirated Diesel
  • Transmission: Manual
  • Air Conditioning: Yes

Introduction
The VMAC System V900074 is an Underhood Air Compressor designed for installation in a Toyota Landcruiser 78 model with a 4.2L Naturally Aspirated Diesel engine, manual transmission, and air conditioning. These installation instructions should be followed carefully to ensure proper installation and usage of the product.

Symbols
The following symbols are used throughout the manual:

  • ! – Indicates a possibility of personal injury or damage to the equipment if the indicated warning is not followed.
  • Additional Information Symbol – Indicates additional information or special emphasis on a specific procedure.

Installation Notes
Please note the following installation notes:

  • These installation instructions serve as a general guide.
  • In some instances, due to variations in vehicle manufacture or prior modifications, additional operations such as grinding, bending, or rearranging may be necessary for proper fit.
  • All additional operations must follow sound, standard shop practices.

Product Usage Instructions

Part 1: Preparing for Installation

  1. Removing OEM Parts
    Follow the instructions provided by the vehicle manufacturer to properly remove any OEM parts that may interfere with the installation process. This may include removing specific components or disconnecting electrical connections.

  2. Moving the Battery Tray
    Remove the battery tray from its current position to create space for the installation of the VMAC System. Follow the instructions provided in the manual for the proper steps to move the battery tray.

Part 2: Installing the Tank, Cooler, and Hoses

  1. Installing the Brackets
    Install the provided brackets in the designated locations as instructed in the manual. Ensure they are securely fastened to the vehicle’s structure.

  2. Installing the Tank and Hoses
    Attach the tank to the installed brackets using the provided hardware. Connect the hoses according to the specified routing instructions in the manual.

  3. Installing the Cooler
    Mount the cooler in the designated location as specified in the manual. Secure it using the provided hardware and connect it to the hoses following the recommended configuration.

Part 3: Installing the Main Bracket and Compressor

  1. Installing the Pulley
    Install the pulley on the vehicle’s engine according to the instructions provided in the manual. Ensure it is properly aligned and secured.

  2. Installing the Compressor Brackets
    Attach the compressor brackets to their designated positions on the engine as specified in the manual. Use the provided hardware to secure them tightly.

  3. Connecting the Hoses
    Connect the hoses from the tank to the compressor following the recommended routing instructions provided in the manual. Ensure all connections are tight and leak-free.

  4. Completing the Installation
    Follow the remaining steps in the manual to complete the installation process. This may include securing additional components, adjusting belt tension, and verifying proper alignment.

  5. Adding Oil to the System
    Add the recommended oil to the compressor system as instructed in the manual. Refer to the specified oil type and quantity for optimal performance.

Part 4: Installing the Control Components

  1. Installing the Throttle Controller
    Install the throttle controller in the designated location according to the instructions provided in the manual. Secure it using the provided hardware.

  2. Installing the Control Panel
    Mount the control panel in a convenient and accessible location inside the vehicle’s cabin. Ensure it is securely fastened and easily reachable for operation.

  3. Connecting the Wiring
    Connect the wiring harness of the VMAC System to the appropriate electrical connections in the vehicle. Follow the wiring diagram provided in the manual for correct installation.

  4. Testing the Safety Circuit
    Before using the VMAC System, thoroughly test the safety circuit as described in the manual. Verify that all safety features are functioning correctly to ensure safe operation of the compressor.

FAQ (Frequently Asked Questions)

  • Q: Can this VMAC System be installed in other vehicle models?
    A: The VMAC System V900074 is specifically designed for installation in the Toyota Landcruiser 78 model with a 4.2L Naturally Aspirated Diesel engine, manual transmission, and air conditioning. It may not be compatible with other vehicle models.

  • Q: What are the recommended maintenance procedures for the VMAC System?
    A: Please refer to the maintenance section of the user manual for detailed instructions on maintaining the VMAC System. This includes regular inspection, cleaning, and lubrication of components.

  • Q: Can I use the VMAC System while the vehicle is in motion?
    A: The VMAC System is designed to be used when the vehicle is stationary. It is not recommended to operate the compressor while the vehicle is in motion to ensure safety.

VR70 UNDERHOOD AIR COMPRESSOR
INSTALLATION MANUAL System V900074 2002-2005 Toyota Lancruiser 78 4.2L
Naturally Aspirated Diesel www.vmacair.com

Installation Manual for VMAC System V900074

  • Toyota Landcruiser 78 2002-2005
  • 4.2L Naturally Aspirated Diesel
  • Manual Transmission and Air Conditioning

Installation Manual – Document #1930056
Installation Manual for VMAC System V900074
Toyota Landcruiser 78 2002-2005 4.2L Naturally Aspirated Diesel with Manual Transmission and Air Conditioning

Changes and Revisions

Version| Revision Details| Revised| Approved| Implemented
---|---|---|---|---
00| Original manual| IB January 10/04| January 29/04| January 29/04
a| Revisions as submitted| IB March 28/04| SM 27 Apr 2005| 29 Apr 2005
b| Revisions as submitted| IB 26 Dec 2005| SM 28 Dec 2005| 01 Jan 2006

Registered Trademarks
All trademarks used in this manual are the property of the respective copyright holder.

  • Copyright 2005
  • The contents of this manual may not be reproduced in any form without the express written permission of VMAC
  • Printed in Canada
  • 1333 Kipp Road, Nanaimo, BC V9X 1R3
  • 1-800-738-8622
  • VMAC – Vehicle Mounted Air Compressors Telephone: 011-1-250-740-3200
  • Fax: 011-1-250-748-3201

General Information

Introduction
These are installation instructions for the Underhood Air Compressor. This manual should be read completely before attempting installation. It is important to note variations that are identified for different model years.

Symbols

  • This symbol indicates that there is a possibility of personal injury or damage to the equipment if the indicated warning is not followed.

  • This symbol indicates that there is additional information or special emphasis on a specific procedure.

Installation Notes

  • The information in this manual is intended for certified VMAC dealers and their technicians, who have the training, knowledge, tools, and equipment to properly and safely perform the installation.
  • This manual provides information on special conditions that may occur and provides information to assist in proper system installation. Do not attempt this installation if you do not have the necessary training, knowledge and experience. Do not assume that all conditions described will affect your vehicle. It is important that you complete all the installation steps before operating the system.
  • These installation instructions are intended as a general guide. In some instances, due to variations in vehicle manufacture or if prior modifications have been made to the vehicle, it may be necessary to carry out grinding, bending or rearranging operations for correct fit. These operations MUST follow sound, standard shop practices.
  • Follow all safety precautions for underhood mechanical work.
  • Use Loctite 242 or equivalent on all engine-mounted fasteners.
  • All hoses, tubes and wires which are rerouted or moved during installation must be secured so that they do not contact excessively hot areas or sharp edges. Where possible, follow the routing suggestions in this manual.
  • Left and right definitions in this manual are determined when sitting in the driver’s seat, facing forward.
  • All fasteners must be of the correct size and torqued according to the specifications shown below. Always use manufacturers torque values for OEM fasteners. Torque values are applicable when Loctite is applied, unless otherwise specified.

STANDARD GRADE 8 NATIONAL COARSE THREAD

Size| 1/4| 5/16| 3/8| 7/16| 1/2| 9/16| 5/8| 3/4
Foot-pounds (ft-lb)| 9| 18| 35| 55| 80| 110| 170| 280
Newton meter (N•m)| 12| 24| 47| 74| 108| 149| 230| 379
STANDARD GRADE 8 NATIONAL FINE THREAD

Size| 3/8| 7/16| 1/2| 5/8| 3/4
Foot-pounds (ft-lb)| 40| 60| 90| 180| 320
Newton meter (N•m)| 54| 81| 122| 244| 434
METRIC CLASS 10.9

Size| M8| M10| M12| M14| M16
Foot-pounds (ft-lb)| 19| 41| 69| 104| 174
Newton meter (N•m)| 25| 55| 93| 141| 236

Hose Coding
Different frame designations will affect the tank mounting position. You may have to move the tank rearward from the standard position on your application. If you must move the tank, the lines may be too short. If this is the case, measure the hose shortfall and order a Hose Extender Kit.

The following table shows the color code used by VMAC to define the different hose diameters.

Hose Diameter Colour-Coded Label
1/4 inch Yellow
5/16 inch Orange
1/2 inch Blue
5/8 inch Blue
3/4 inch Green
1 inch Green

Ordering Parts
To order parts, contact your VMAC dealer. Your dealer will ask for the VMAC serial number, part number, description and quantity. To locate your nearest dealer, call 011-1-250-740-3200.

Warranty

The VMAC warranty form is located at the back of this manual. This 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.

Special In stallation Notes
This system is only applicable for manual transmission vehicles and must not be installed on an automatic transmission vehicle. For additional information, contact VMAC.

  • Setup and Adjustments
    For setup instructions, see the appropriate section in the owner’s manual.

  • System Identification Number Plate
    The enclosed System Identification Number Plate must be attached to the vehicle at the time of installation. 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 two #6 pan head self-tapping screws.

  • Safety Decal
    As part of the installation process, ensure that the safety and operational instruction decal is affixed in an obvious location so that it can be seen by vehicle operators.

Auxiliary Air Receiver
If you intend to use an auxiliary air receiver with this system you must observe the following installation procedure as shown. Failure to observe this procedure will result in damage to the system.

The line from the VR tank to the auxiliary air receiver must have a one-way check valve (Part #3600078) installed to prevent blow back from the auxiliary tank to stop moisture from entering the VR tank. The line to the auxiliary tank must not be installed in the bottom of the tank, but must be installed as high as possible to prevent water from entering the line.

Important Information for Initial Operation
Once the installation is complete, observer the following:

  1. Before starting the engine:
  2. check the compressor oil level
  3. check all installed parts to make sure that fasteners and fittings have been securely tightened
  4. make sure no parts contact hot or moving components on the vehicle
  5. check alignment of the belt with all pulleys and idlers
  6. make sure the bracket is seated correctly
  7. Read the Owner’s Manual for setup procedures
  8. After starting the engine:
  9. operate the system with an air tool for at least 1/2 hour (1 hour preferred)
  10. road test the vehicle for approximately 14 miles (20 km)
  11. check all components once the engine is turned off and the system has cooled

Part 1: Preparing for Installation

Removing OEM Parts

  1. Disconnect the battery terminals.
  2. Remove the battery hold-down strap and remove the battery from the vehicle.
  3. Remove the battery ground cable from the engine.
  4. Remove the clamps and hoses from the power steering pump and drain the fluid from the reservoir into a suitable container.
  5. Remove the bolts holding the power steering reservoir in position on the side of the cylinder head and remove it.
  6. Drain the coolant into a suitable container.
  7. Remove the upper and lower radiator hoses.
  8. Remove the bolts holding the air conditioning compressor and move the compressor out of the way.
  9. Remove the fan shroud and the fan.
  10. Remove the A/C belt tensioner and A/C mount from the front of the engine.
  11. Remove the windshield washer and coolant overflow bottle and support.
  12. Remove the fuel pump support bracket from the left side of the engine.

Moving the Battery Tray

  1. Remove the retaining bolts from the battery hold-down tray and remove it from the original position on the vehicle (Figure 1.1).VMAC-V900074-Underhood-Air-Compressor-01 \(5\)
  2. Drill a 9/32 hole in the center of the mount bracket base (Figure 1.2).
  3. Attach the support bracket to the bottom of the tray (Figure 1.3) using the supplied M8 x 25 mm bolts.
  4. Position the battery tray (with the support bracket attached) approximately 1 inch from the firewall (Figure 1.4).
  5. Mark the position of the hole on the fender and drill a 9/32 hole through the fender.
  6. Bolt the assembly in place using the 1/4 x 3/4 inch bolts with washers and Nylok nuts.
  7. Modify the battery hold-down bracket (Figure 1.5). Measure 0.5 inches (13 mm) from the bolt hole, cut the end off and round the corners to remove sharp edges.
  8. Measure 0.8 inches (20 mm) from the edge of the battery hold-down and slot the existing 20mm hole to fit.
  9. Bend the bracket up 90 degrees at the edge of the battery hold-down.VMAC-V900074-Underhood-Air-Compressor-01 \(9\)
  10. Attach the end of the battery ground cable that was removed from the block location to a suitable empty threaded hole on the intake manifold.
  11. Place the battery on the battery tray in the reverse of the OEM position, with the negative post closest to the firewall.
  12. Install the modified hold-down bracket and secure the battery in position.

Do not connect the battery cables until the installation is complete.

Part 2: Installing the Tank, Cooler and Hoses

Installing the Brackets

  1. Locate the fuel tank support brackets at the rear of the cab (Figure 2.1).
  2. Remove one of the tank strap bolts and the support bracket.
  3. Place the VR tank bracket behind the support bracket (Figure 2.2) and install the 10 x 25 mm bolts.
  4. Install and tighten the fuel tank support strap.
  5. Repeat this procedure for the other bracket.VMAC-V900074-Underhood-Air-Compressor-01 \(10\) VMAC-V900074-Underhood-Air-Compressor-01 \(11\)
  6. Remove the wire harness from the OEM frame mount bracket on the right side of the vehicle.
  7. Remove the OEM bolt holding the bracket to the frame and rotate the bracket 90 degrees, then install and tighten the OEM bolt (Figure 2.3).VMAC-V900074-Underhood-Air-Compressor-01 \(12\)
  8. Unclip the multi-connector from the back of the cab to allow the harness to drop, then clip the harness back onto the end of the bracket.
  9. Insert the harness into the nylon clip on the end of the stand-off bracket.

Installing the Tank and Hoses

  1. Remove the pinch bolts from the C-clamps and spread them slightly to fit over the tank (Figure 2.4). Install the pinch bolts and nuts and tighten enough to hold the tank but still allow movement.
  2. Remove the fitting protectors and thread the 1/4 and 5/16 inch steel tube fittings into the matching fittings on the back of the tank but do not tighten them.VMAC-V900074-Underhood-Air-Compressor-01 \(13\)
  3. Place the tank in position, with the filter end facing to the left side of the vehicle and position the C-clamps to line them up with the support brackets.
  4. Bolt the tank into position under the support brackets using two 5/16 x 1 inch bolts with flat washers and Nyloc nuts in the holes closest to the fuel tank. Do not tighten the clamps.
  5. Install the two stainless line clamps over the two steel tubes from the back of the tank. Align them with the holes on the C-clamps and tank mounting brackets that are toward the rear of the vehicle. Install two 5/16 x 1 inch bolts with washers.
  6. Route the 3/4 inch and the longest 1/2 inch hoses under the body of the vehicle and along the left side frame to the tank so that the 90 degree ends are at the tank.
  7. Remove the protective covers from the fittings on the front of the tank and thread the hose fittings onto the tank fittings, but do not tighten yet.
  8. Move the tank in the C-clamps so that it is centered appropriately and provides sufficient clearance at each end of the tank (Figure 2.5).VMAC-V900074-Underhood-Air-Compressor-01 \(14\)
  9. Check the positioning of the tank and rotate it as necessary so that the directional arrow on the front of the tank points upward and is parallel with the back of the cab.
  10. Tighten the C-clamp pinch bolts and the bolts holding the C-clamps to the mounting brackets.
  11. Tighten the 1/4 and 5/16 inch steel tube fittings. Orient the 3/4 and 1/2 inch 90 degree hose fittings so that they point forward and will clear the filter, then tighten the fittings.
  12. Apply a thin film of compressor oil to the gasket on the filter and thread the filter onto the tank. When the gasket makes contact with the base, tighten one extra turn.
  13. Route all of the hoses along the frame and under the cab to the engine compartment (Figure 2.6).VMAC-V900074-Underhood-Air-Compressor-01 \(15\)
  14. Make sure that the hoses clear the clutch linkage and engine mount and are fastened away from moving or hot engine parts.
  15. Fasten the hoses together and to the frame using stainless ties. Protect the hoses from sharp objects or hot areas with plastic loom.
  16. Check the right side of the vehicle to make sure that the OEM electrical harness runs under the VR70 tank and is protected.

Installing the Cooler

  1. Install the 90 degree elbow fitting on the cooler; position it so that it is parallel with the top of the cooler and points inward (Figure 2.7). Tighten the fitting.VMAC-V900074-Underhood-Air-Compressor-01 \(16\)

  2. Fit the cooler into position on the right side of the vehicle, with the pressure hose fittings facing forward, the two tabs on the bottom over the vehicle sway-bar and the tab on the opposite end against the frame (Figure 2.8).

  3. While the cooler is loose install the hose from the cooler to the water pump, complete with hose clamps.
    This hose cannot be installed if the cooler is bolted in position. VMAC-V900074-Underhood-Air-Compressor-01 \(17\)

  4. Install a 3/8 x 2-1/4 inch NC bolt through the two tabs (under the sway-bar), place a washer on the bolt and thread on a Nylok nut, but do not tighten (Figure 2.9).

  5. Install a 10 x 25 mm bolt with washer into the OEM hole in the frame, but do not tighten.

  6. Check all areas around the cooler to make sure that it clears the engine and the crankshaft vibration damper.

  7. Align it as required to provide the required clearance and tighten the frame bolt first, then the sway-bar clamp bolt. Check the clearance again and adjust as necessary.

  8. Place hose clamps over the cooler-to-radiator hose, install it between the cooler and the radiator and tighten the clamps.

  9. Route the 1/2 inch hose from the tank along the frame and across the body to the cooler. Thread it onto the 90 degree fitting farthest from the crankshaft pulley.

  10. Secure the line using stainless ties and protect it from heat or abrasion as required.

Part 3: Installing the Main Bracket and Compressor

Apply Loctite to all fasteners before installing them.

Installing the Pulley

  1. Clean the inside of the OEM crankshaft pulley and remove the six OEM fasteners.
  2.  Place the VR70 pulley on top of the OEM pulley, line up the holes and insert the M8 x 85 mm bolts (Figure 3.1). Torque them to specifications.
  3. Place the VR drive belt on the pulley and leave it loose.VMAC-V900074-Underhood-Air-Compressor-01 \(19\)

Installing the Compressor Brackets

  1. Clean the front and left hand side of the engine block so that the bracket will fit to a clean surface.
  2. Remove all idlers and the tensioner from the front bracket (Figure 3.2).
  3. Place the compressor bracket in place on the left hand side of the block.
  4. Fasten the bracket to the block (Figure 3.3) using three M12 x 30 mm socket head bolts and one M12 x 30 mm hex head bolt, but do not tighten them.
  5. Place the front bracket on the front of the engine (Figure 3.4).
  6. Insert two 10 x 20 mm socket head bolts into the front of the cylinder head, but do not tighten.
  7. Insert two 10 x 20 mm hex head bolts into the side of the cylinder head but do not tighten.
  8. Insert the three 5/16 x 1 inch bolts (with lock washers) to fasten the front bracket to the compressor bracket.
  9. Use the OEM bolt to attach the fuel pump to the compressor bracket.
  10. Check the positioning of the brackets to make sure that they fit properly and that nothing interferes with the installation.
  11. Tighten all bolts in the following sequence:
  12. front head bolts
  13. fuel pump bolts
  14. block bolts
  15. side head bolts
  16. front bracket to compressor bracket
  17. Tightening the block bolts can be done by using a long extension under the fender liner in the passenger side front wheel well.
  18. Modify the upper radiator hose by cutting off the straight part of the hose where it attaches to the engine. This will allow it to clear the compressor once it is installed (Figure 3.5).
  19. Place clamps on the upper radiator hose and install it. Tighten the clamps securely.
  20. Replace the OEM power steering hose with the supplied hose.
  21. Carefully bend the inlet fitting on the power steering reservoir as shown to clear the bracket and compressor (Figure 3.6). Both tubes may require bending.
  22. Install the OEM power steering reservoir, then connect the lines, making sure that all clamps are installed. Discard OEM bolts and install 2 M6 x 16mm flange head bolts.
  23. Install the fan spacer, then install the fan and shroud together. Tighten all fasteners.
  24. Place the compressor in position on the compressor bracket (Figure 3.7).
  25. Install three 8 mm nuts with washers and tighten them.
  26. Install the replacement windshield washer hose and install the windshield washer bottle.
  27. Remove the electrical power box and install it in the same position as the windshield washer bottle.

Connecting the Hoses

  1. Route the hoses from the tank up to the compressor.
  2. Connect the 3/4 inch hose to the fitting on the compressor.
  3. Connect the short 1/2 inch hose to the fitting on the compressor.
  4. Route the hose down along the fender liner, across under the front of the vehicle and connect the end to the 90 degree fitting on the cooler closest to the engine. Loop the hose so that it is under the front of the vehicle on its route to the compressor.
  5. Make sure the hose are properly routed and secured and tighten the connections.

Completing the Installation

  1. Install the replacement support bracket for the coolant expansion bottle and install the bottle (Figure 3.8).
  2. Install the OEM belt and the VR belt (Figure 3.9).
  3. Replace all components removed in preparation for installation.
  4. Refill the cooling system with the manufacturer recommended coolant to the correct level. Make sure to eliminate all air from the cooling system to prevent overheating.
  5. Check all cooling system connections for leaks. Check the coolant level again after the vehicle reaches operating temperature to make sure that it is correct.
  6. Check all tubes and hoses to make sure that they are secured and protected as necessary.
  7. Check all fasteners and fittings to make sure they are tightened securely.

Adding Oil to the System

  1. 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.
    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.

  2. Turn the compressor clutch clockwise with a ratchet and a 1/2 inch socket using the hex head bolt at the centre of the compressor clutch during the fill process.

  3. Allow 5 minutes for the oil to drain into the tank, then check the level at the sight glass at the front of the tank. Continue adding oil until the level is correct.
    Do not overfill the system. Overfilling the system with oil can flood the sight glass window and make the system appear empty.

  4. Install the fill plug in the inlet control valve and tighten it securely.

Part 4: Installing the Control Components

VMAC-V900074-Underhood-Air-Compressor-01 \(28\)

Installing the Throttle Controller

  1. Remove and discard the two left hand side socket-head bolts from the air inlet valve on the compressor.

  2. Place the controller support bracket (with the controller attached) across the inlet valve and engine intake manifold (Figure 4.1).VMAC-V900074-Underhood-Air-Compressor-01 \(29\)

  3. Line up the holes and install the supplied M8 x 60 mm socket-head bolts in the inlet valve. The remaining holes in the bracket will line up with the intake manifold.

  4. Install a bolt in the OEM threaded hole on the top of the intake manifold.

  5. Install the two M8 x 20 mm hex bolts through the lower tab of the throttle mounting bracket and into the matching holes on the side of the inlet manifold. Tighten all the fasteners.

  6. Connect the black poly tube from the controller to the fitting on the top rear of the compressor inlet valve (Figure 4.2) and the red poly tube to the engine side of the compressor inlet valve.
    Push the tubes firmly into the fittings, ensuring that they seat properly.

  7. Drill a 7/32 inch hole in the throttle linkage and insert the swivel from the controller cable, securing it with the supplied E-clip (Figure 4.3).

  8. Adjust the cable so that there is approximately 1/4 inch between the swivel and the cable lock and tighten the lock.

Installing the Control Panel

  1. Remove the door trim and lift the mat on the driver’s side of the vehicle to gain access to the wiring tray.
  2. Place the control panel box on the floor beside the driver’s seat (Figure 4.4). Mark the 4 mounting holes and drill with a 7/64 inch bit. Mount the control panel with the supplied screws.VMAC-V900074-Underhood-Air-Compressor-01 \(32\)
  3. Cut a small slit in the floor mat. Pass the control panel wiring harnesses through the slit, forward along the cable tray and up underneath the dash beside the accelerator pedal.
  4. Coil up and tape off the yellow wire. This is not used in this system.

Connecting the Wiring
Consult the wiring diagram at the beginning of this section for connection details.

  1. Connect the white 4 pin connector from the control panel to the matching connector on the interface cable.

  2. Route the black “Park Brake” wire from the interface cable back to the OEM wire bundle in the cable tray by the control panel.

  3. Connect this wire to the red with white stripe wire in the bundle. Solder and seal the connection with heat shrink. If soldering is not possible, a T-tap quick connect has been provided.

  4. Locate a suitable hole in the firewall above the accelerator pedal (Figure 4.5).

  5. Route the green, white and both red interface cable wires and the grey temperature probe cable from the control panel through the firewall to the compressor.
    Route all wires away from hot or moving parts. Cover them with plastic loom as required and fasten them into place with nylon ties. VMAC-V900074-Underhood-
Air-Compressor-01 \(33\)

  6. Connect the green “Ground” wire to the ground (earth) location in the small power distribution box (Figure 4.6) mounted on the left side fender just behind the headlamp.

  7. Connect the red “Ignition Switched 12 Volts” wire to the middle post of the power distribution box beside the compressor.

  8. Connect the white “Clutch” wire to the mating connector from the clutch.

  9. Connect the grey cables with the green connectors together.

  10. Connect the red “Throttle Control” wire to the spade connection on the top of the throttle control.

Testing the Safety Circuit
This system cannot be used on vehicles equipped with an automatic transmission.

  1. Connect the battery ground cables.
  2. Block the wheels, apply the park brake and place the transmission in neutral.
  3. Turn the ignition key “ON” but do not start the engine.
  4. Turn on the control box; the green lamp should turn “ON”.
  5. Release the park brake; the green lamp should turn “OFF”.
  6. Apply the park brake; the green lamp should turn back “ON”.
  7. Turn “OFF” the control box and turn “OFF” the key.

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.
To locate your nearest dealer call 1-800-738-8622 or 250-740-3200.

Accessory Products from VMAC

The following accessory products for your VR compressor system are available from VMAC.

  • Eliminator Aftercooler
    Removes up to 80% of moisture from compressed air. Quick installation, automatic drain and compact design

  • Filter Regulator Lubricator
    Removes lubricants, water and dirt from the air stream. Adds atomized tool oil to lubricate tools. Reduces pressure for longer tool life.

  • Auxiliary Tank Valve
    Equalizes pressure between storage tanks and the VR tank. Built-in check valve. No electrical connections or adjustments required.

  • Hose Reel
    Secure, compact, retractable hose storage in a sturdy reel.

  • Air Receiver Tank
    Thirty-five gallon capacity in a compact tank, complete with fittings and a gauge.

  • De-icer Kit
    Insulated rope heater prevents freezing of lines and regulator.

  • System Testing Tool
    Simulates tool use to provide for accurate system adjustments. Orifice fittings included for both VR70 and VR140 systems.

  • VR Service Kits
    Using OEM service products will extend the life of your system. Includes oil, filters, seals and O-rings. 200 hour and 400 hour service interval kits are available

PH 250-7 40-3200
FX 250-7 40-3201
TF 1-800-738-8622
1333 Kipp Road, Nanaimo, BC, V9X 1R3 Canada www.vmacair.com
VMAC – Vehicle Mounted Air Compressors
Telephone: 011-1-250-740-3200
Fax: 011-1-250-748-3201

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