Vmac VR70 Installation Manual
  1. Manuals
  2. Brands
  3. Vmac Manuals
  4. Air Compressor
  5. VR70
  6. Installation manual

Vmac VR70 Installation Manual

Underhood air compressor. 2015-2011gm2500hd-3500hd 6.6lduramaxdiesel
Hide thumbs Also See for VR70:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Owner's Manual, Installation Manual
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
2 0 1 5 - 2 0 1 1 G M 2 5 0 0 H D - 3 5 0 0 H D
6 . 6 L D u r a ma x D i e s e l
# V 9 0 0 1 1 3
w w w . v ma c a i r . c o m

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VR70 and is the answer not in the manual?

Questions and answers

Related Manuals for Vmac VR70

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 2 0 1 5 - 2 0 1 1 G M 2 5 0 0 H D - 3 5 0 0 H D 6 .

  • Page 3: Table Of Contents

    6.4 Before Starting the Engine Checklist........43 6.5 After Starting the Engine Checklist ........44 6.6 Setup, Performance Testing and Adjustments ....45 6.7 Auxiliary Air Receiver ............46 Accessory Products from VMAC ..........47 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 4 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. To order parts, contact your VMAC dealer. Your dealer will ask for the VMAC serial number, part number, description and quantity.

  • Page 5: General Information

    Newton meter (N•m) Additional Requirements Special Tools OEM crankshaft locking tool (GM #J-44643) or VMAC #5900010. 36mm 12-point socket for removing OEM crankshaft bolt. VMAC crankshaft pin extraction tool #5900076 Pneumatic fan wrench removal set (such as Lisle 43300) or a manual fan pulley holder (such as KD3900).
  • Page 6 Depending on other installed equipment, it might be necessary to move the air/oil separation tank from its intended location. The hoses used in VMAC compressor systems have a specific inner liner that is compatible with our compressor oil. Use of hoses other than those supplied or recommended by VMAC may cause compressor damage and may void your warranty.

  • Page 7: Part 1: Warranty And System Id

    Complete the warranty form. 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.
  • Page 8 Figure 1.1 VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 9 To alert any technicians that may service the vehicle, affix the servicing caution/contact label in the engine compartment near the hood latch in a visible location. Thoroughly clean the selected area before affixing the label (figure 1.2) Figure 1.2 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 10: Part 2: Preparing For Installation

    Remove electrical tape and peel back plastic loom from the harness. □ 2015: Locate the two white with grey stripe wires in the bundle □ 2014-2011: Locate the two orange with black stripe wires in the bundle. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 11 □ Locate the wiring harness below the engine intake which runs to the bottom of the passenger side of the engine bay. (Figure 2.2) VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 12 Turn the ignition switch off. Mark the wire for electrical connections later in the installation process. □ Locate the Air Conditioning pressure sensor located at the front driver’s side of the engine. (Figure 2.3) VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 13 Cut the OEM connector off and splice the supplied extension cable onto the harness ensuring the wire colors match. Use a heat gun to seal the heat shrink connectors. Re-wrap harness with protective loom. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 14: Preparing For Installation - Mechanical

    Remove the top radiator hose. Do not damage the radiator hose as it will be modified and reused later. □ Remove the automatic transmission control module (ATCM) mounted on the driver side of the fan shroud. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 15 (Figure 2.6) New supplied fan OEM belt line wire bracket pin OEM fan wire bracket pin location Figure 2.6 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 16 Install a crankshaft-locking tool, (see Additional Requirements above) and remove the crank pulley bolt and OEM crank pulley. If you are using the VMAC tool: Put the appropriate socket on the nut Put the single-pin end of the tool on the front of the pulley...
  • Page 17 2.8) High-strength crank pin Figure 2.8 □ Apply a light wipe of oil to the inside of the OEM crank pulley and install the pulley back onto the crankshaft. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 18 250 ft•lbs.(Figure 2.9) The VMAC crankshaft locking tool can be used again by fitting the two pins on the other end of the tool into the holes on the VMAC pulley. Position the roll pins here Figure 2.9 □...

  • Page 19: Part 3: Installing The Control Components

    Part 3: Installing the Control Components Figure 3.1 VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 20: Installing The Components

    3.2 Connecting the In-Cab Wiring □ Connect the interface wire harness connector to the matching connector from the VMAC control box. □ Disconnect the multi-pin connector from the accelerator pedal and plug it into to the matching connector at the throttle control box then plug the connector from the throttle control box into the accelerator pedal.

  • Page 21: Connecting The Under-Hood Wiring

    PTO cover (harness close to connector X300, wire marked earlier during the install). □ Solder and seal the long blue wire from the throttle to this wire as shown in Figure 3.3. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 22 Fit the loom back over the wires and replace the tape. □ Remove the cover from the fuse panel and route the red wire with the inline fuse to the panel. Refer to Part 6 for connection details. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 23: Part 4: Installing The Tank And Hoses

    Use of hoses other than those supplied or recommended by VMAC may cause compressor damage and may void your warranty. Please contact VMAC for information on replacement hoses and hose extension kits.
  • Page 24 A 90° fitting is required (but not supplied). Tighten it to about the seven o’clock position for testing, then reposition as required for final connections (Figure 4.2). Figure 4.2 VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 25 Upper 6” tank bolt FRONT on frame rail Figure 4.3 □ Select the appropriate lower holes that best match the frame of the truck and insert the 6” bolts. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 26 Where possible, use rubber coated P-clips. Follow the routing suggestions in this manual and cover all hoses with the supplied plastic loom. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 27 If the frame allows use of the upper holes the bottom of the tank brackets can be cut off to increase ground clearance. Touch up paint after cutting to help prevent rusting. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 28: 2014-2011My - Installing The Tank And Brackets

    C-clamp 23” away from the filter end of the tank. □ Reinstall the two 1/4” clamp bolts in the C-clamps so that the heads of the bolts face toward you and install the nuts loosely. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 29 Place the rear F-shaped tank mount 18” towards the rear and against the frame. Route the emergency brake cable between the raised mounts of the F-mount. Dislodge the wiring harness VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 30 Apply Loctite and install 5/16” x 1” bolts with flat washers and nuts into the two holes on each bracket, but do not tighten. □ Slide the tank rearward on the frame to provide clearance for attaching the hoses. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 31 If the frame allows use of the upper holes the bottom of the tank brackets can be cut off to increase ground clearance. Touch up paint after cutting to help prevent rusting. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 32: Part 5: Installing The Main Bracket, Compressor, And Cooler

    OEM Power Steering and AC bracket 3/8 Flat Washer (3x) M10 x 130mm M10 x 60mm M10 Fender Washer M10 Nut M10 x 60mm Supplied Remove OEM Bolt Spacer Figure 5.1 VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 33 Remove the two bolts holding the EGR elbow on the top of the engine. Discard these bolts as they will not be used again. Ensure the metal gasket stays in place. (Figure 5.3) VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 34 □ If there is interference between the compressor brace and AC line, gently bend the AC line upward to provide about 1/2in clearance. □ Install the VR belt.(Figure 5.6) VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 35 Two 55mm bolts go in the two holes closest to the air filter and 50mm bolts go in the holes furthest away from the air filter. (Figure 5.5) VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 36 Apply Loctite and install the two supplied M6 flange-head bolts and flange nuts into the holes as shown. Test fit ATCM, but, don't mount it to the shroud until it is installed on the truck. (Figure 5.7) VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 37: Installing The Oil Cooler

    Measure to the end of bend #2 on the lower radiator hose and cut. Leave all the straight section after bend #2.(Figure 5.8) Do not damage the 1” hoses coming off the plastic molded tees, as they will be used again. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 38 Connect the lower radiator hoses to the cooler with supplied hose clamps. Reinstall the modified OEM hose clamp and ensure the smaller diameter hose is positioned so it does not come in contact with the stabilizer bar.(Figure 5.10) VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 39 Attach 1/2” hose to fitting and tighten all fittings. □ Fasten both 1/2” hoses using tie straps so that they do not contact any hot or moving parts. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 40: Connecting The Hoses

    Connect the 3/16” and 1/4” hoses to the matching fittings on the inlet control valve. □ Install the oil fill tee and cap on the compressor discharge fitting. The oil fill cap should face upwards.(Figure 5.12) VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 41: Completing The Installation

    □ Install the air filter assembly and air intake tube. □ Measure and cut the upper radiator hose 14-1/2” from the engine side. Save the engine-side piece (Figure 5.14). VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...
  • Page 42 VMAC radiator hose and tube connector. When connecting the modified OEM upper radiator hose rotate the hose so the end that previously went to the engine before being modified will now connect to the supplied VMAC tube connector (Figure 5.15). To engine...

  • Page 43: Adding Oil To The System

    □ Reconnect the batteries. 5.5 Adding Oil to the System You must use the VMAC supplied and approved compressor oil in this system. Failure to use this approved oil will result in damage to the compressor and will void your warranty.

  • Page 44: Part 6: Finishing The Installation

    □ Pull all excess wire and harnesses into the cab of the truck so that there are no loose loops under the hood. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 45: Safety Test

    If the truck 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. 6.4 Before Starting the Engine Checklist Make sure that the following have been completed: □...

  • Page 46: After Starting The Engine Checklist

    □ Check all components once the engine is turned off and the system has cooled. □ Check the coolant after the engine reaches operating temperature. VMAC – Truck Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 47: Setup, Performance Testing And Adjustments

    (Figure 6.1). Figure 6.1 1. Install the test tool in the tank outlet fitting. VMAC – Vehicle Mounted Air Compressors Toll Free: 1-888-241-2289 Fax: 1-250-740-3201...

  • Page 48: 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 and to stop moisture from entering the VMAC tank (Figure 6.2).

  • Page 49: 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 toll free 1-888-241-2289 or local 250-740-3200. Eliminator Aftercooler Part Number A800070 Removes up to 80% of moisture from compressed air.
  • Page 50 This page intentionally left blank...
  • Page 51 VMAC Product Warranty Registration This form must be fully completed and returned to VMAC at the time of installation. Warranty will be void if this form is not received by VMAC within 30 days of installation. VMAC Dealer Information Company Name: ______________________________________...
  • Page 52 This page intentionally left blank...
  • Page 53 This page intentionally left blank...
  • Page 54 This page intentionally left blank...
  • Page 56 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 .

Table of Contents