Viair Medium Duty OBA Manuel d'utilisateur télécharger pdf (Page 5)

325C AIR COMPRESSOR INSTALLATION (USE CONTENTS OF PARTS PACKAGE #2)

Your Medium Duty Onboard Air System comes complete with a 325C, 33% duty cycle compressor.

Please follow the installation instructions that follow to enjoy the best use of your onboard air system.

CAUTION - To reduce risk of electrical shock or electrocution:

- Do not disassemble the compressor. Do not attempt repairs or modications.

Refer to qualied service agencies for all service and repairs.

- Do not use this product in or area where it can fall or be pulled into water or liquids.

- Do not reach for this product if it has fallen into liquid.

- Use this compressor with 12-volt DC systems only.

- This product should never be left unattended during use.

Guidelines for Selecting Mounting Location:

The selection of proper mounting location for your air compressor will help ensure a long

and trouble free compressor service life. Please pay close attention to the following:

- Select a FLAT, UPRIGHT & SECURE LOCATION where the compressor can be mounted.

- To maximize air compressor performance, locate compressor as CLOSE TO THE BATTERY

as possible so that length of positive lead wire required is at a minimum.

- Choose mounting location that is as cool as possible and away from heat sources.

- This compressor is moisture & dust resistant, but NOT WATERPROOF or DUSTPROOF. Do not mount

compressor in locations where the unit is likely to come in contact with water or excessive dirt.

- For compressor with remote lter mounting, select compressor’s mounting location where air line can be

routed from compressor air inlet to remote inlet air lter. Make sure that the remote inlet air lter is located

in a dry location, away from water.

- You will also want to select a compressor mounting location where the leader hose bracket can be mounted

to secure the 2 ft. leader hose.

- If it is necessary to mount the air compressor further from the battery, such as inside your vehicle or in the

bed of your pickup, use a minimum 8 AWG positive lead wire for remote installation.

- Do not mount compressor near areas where ammable liquids are stored.

- Use thread sealant for proper tting installation. Teon tape is not recommended.

Properly sealed, recommended torque is 12 to 15 ft. lbs

325C Compressor Wiring: (See Figure 2)

1. Disconnect ground cable from vehicle’s battery.

2. Temporarily position the air compressor in the location where it will be mounted.

3. Route ground wire to the negative post of the battery or to an appropriate grounding point and cut ground

wire to length as needed.

4. Mount the 325C air compressor with the four sets of 13/64” (5 mm) bolts, nuts, washers, and locking

washers provided. Use of thread locker is recommended.

5. NOTE: For Remote Inlet Air Filter Installation, refer to Remote Inlet Air Filter Installation Instruction included

in the Remote Inlet Air Filter Pack for installation of Remote Inlet Air Filter.

6. This air compressor comes with a 2 ft. heavy duty heat resistant stainless steel braided leader hose with

1/4” ttings. This leader hose is designed to prolong the life of your air line. Do not remove this leader hose

from air compressor.

7. IMPORTANT: Please note; the leader hose that came with your compressor has a built-in inline check valve

pre installed. Do not remove inline check valve from leader hose.

8. Select a proper location to mount leader hose with hose bracket provided. Avoid locations where leader

hose may become tangled with wires and other hoses.

9. To mount hose bracket, drill holes with 3/16” drill bit and push self–anchoring hose bracket pin into hole.

Route leader hose through hose bracket and secure hose by pressing bracket clamp into locked position.

10. To remove hose from the hose bracket, simply press down on the hose clamp release tab to release

bracket clamp.

11. Connect compressor’s positive lead wire to the appropriate lead of your pressure switch with relay

12. Make sure that your compressor setup is properly fused. The 325C pulls approximately 20 amps of power.

13. Always locate fuse as close as possible to power source.

14. Before connecting to power source, check to make sure that all connections are made properly.

15. Connect and test compressor system by running the compressor for a short time to build up pressure in

your air tank.

16. Once air pressure reaches preset cut out pressure of your pressure switch, the compressor will shut off.

Inspect all air line connections for leaks with soap and water solution. If a leak is detected, the air line may

not be cut squarely or pushed all the way in. Tighten connections if needed.

USER MANUAL

MEDIUM DUTY ONBOARD AIR SYSTEM

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Viair Medium Duty OBA Manuel d'utilisateur Page 5

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