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VXO8325/4114 

INSTALLATION GUIDE

 
 

 

PAGE 4 of 6

 

 

AIR TANK 

MOUNTING 

  Find a convenient mounting location in your vehicle for the air tank. Ensure ports are reachable before drilling 

any holes. 

  Mark the location of holes using the mounting brackets of the air tank as a template, and then drill to size.  

  Using mounting hardware provided, secure the air tank. 

IMPORTANT

: Do not mount on a flexible material. 

 

The installation location of your tank’s accessories depends on your air system’s configuration. 

 
PORT LOCATIONS AND THREAD SIZE (NPT) 
 

 

 
PRESSURE SWITCH RATING 

  The included pressure switch has a rating of 170 PSI ON, 200 PSI OFF. When the air pressure in the air tank 

is below the preset ON pressure (170 PSI), the compressor will automatically turn on and will start pumping 
air into the tank. When the pressure reaches the cut OFF pressure (200 PSI), the compressor will be 
automatically shut off. 

 

AIR PRESSURE GAUGE 

 

In one of the Air Tank’s 1/4" NPT ports, using the thread sealant provided, install the air pressure gauge. 

  The side or top of the tank is the best location to use as to prevent condensation from entering into the gauge. 

 

Dropping or disturbing the product can affect the product’s accuracy. 

  For best results, the air gauge should be installed perpendicular to the ground, with the zero facing the 

bottom. 

  To tighten the pressure gauge into the air tank, place a wrench over the square wrench flats to tum the 

gauge. This is the proper way to avoid air leakage or damage.  

 

SAFETY VALVE 

  Your system comes with a safety valve designed specifically to release pressure from the air tank 

automatically if 250 PSI is exceeded. This will help prevent an accident in case of pressure switch failure. 

 

DRAIN VALVE 

  This valve helps you drain the water that can collect in the air tank after long periods of use. 

REMOVING CONDENSATION

  To remove any condensation which 

has accumulated inside the tank, bleed the tank’s pressure until it ranges 

from approximately 5 PSI to 20 PSI. 

 

Remove the drain valve found at the tank’s bottom to drain the water from the tank. After draining the 
accumulated condensation, reinstall the drain valve. 

 

IMPORTANT

: Draining the system regularly will extend the life of the air tank. 

 

THREAD SEALANT 

  Your system includes Premium Thread Sealant, make sure to use it on all thread connections to ensure 

proper air sealing. 

Summary of Contents for VXO8325

Page 1: ...nt Air Filter Horn Button Mounting Hardware SAFETY INSTRUCTIONS Do not attempt to disassemble repair or customize this product Avoid setting up any parts of this product where there is a risk of falling off or risk of coming in contact with water Avoid reaching out to touch or pick up any fallen or water submerged parts Never leave this product unattended during use Intended for use by adults only...

Page 2: ...t Confirm you have the proper length of airline and wire Power wire to compressor should be kept short To power up the air compressor make sure you use a 12 gauge wire or thicker HORN MOUNTING Identify a suitable area for mounting preferably an unobstructed sheet metal surface like the frame or body of the vehicle so as to provide a firm platform which will help protect the horn from damage due to...

Page 3: ...attery of your vehicle doesn t discharge keep the engine running while the compressor is being used BRAIDED HOSE INSTALLATION Connect the stainless steel braided hose of the compressor to the tank s inlet port IMPORTANT The tank s inlet port must be 1 4 N P T National Pipe Thread CHECK VALVE The check valve is an important part of the air compressor and has only one function to let air flow from o...

Page 4: ...e as to prevent condensation from entering into the gauge Dropping or disturbing the product can affect the product s accuracy For best results the air gauge should be installed perpendicular to the ground with the zero facing the bottom To tighten the pressure gauge into the air tank place a wrench over the square wrench flats to tum the gauge This is the proper way to avoid air leakage or damage...

Page 5: ...ssor is pumping use soapy water or any bubble solution to perform this check In case the leak remains after tightening re apply thread sealant CAUTION Never touch fittings braided hose or the air compressor with bare hands either during or shortly after use HORN SOLENOID USING NEW HORN BUTTON Connect one of the electric valve s wires to the positive terminal of the battery alternator etc This circ...

Page 6: ...ank is pressurized Solution 3 Check the fuse if blown disconnect compressor from power and replace the fuse Solution 4 Examine electrical connection for damage or corrosion secure electrical connections Issue Excessive moisture in horn or safety valve Solution 1 Depressurize and drain the tank Solution 2 Relocate the compressor to a drier location Issue Continual cutting off of Thermal overload pr...

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