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VXO8815/4124B 

INSTALLATION GUIDE

 
 

 

PAGE 6 of 6

 

 

 

 

MAINTENANCE 

  Make sure that electrical and fitting connections are regularly inspected, cleaned and tightened when needed. 

  Make sure mounting screws are regularly tightened if needed. 

  Drain weekly, to avoid excessive buildup of condensation. 

  Compressor features a washable air filter which should be cleaned using any mild form of liquid soap every 

two months if it gets dusty. Just remove the front cover of the filter’s housing to reach it. Replacement time 
frames depend on the operating environment and how often it is used. 

  Clean dirt and dust from heat spreader and motor housing of the compressor. 

 

The motor of the air compressor has a maintenance-free lasting lubricant. 

DO NOT LUBRICATE

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SOLUTIONS TO COMMON ISSUES 

Issue: Compressor inoperable. 

Solution 1: Check all switches to make sure they are ON. 
Solution 2: Check the fuse; if blown, disconnect compressor from power and replace the fuse. 
Solution 3: Allow compressor to cool off for 30-60 minutes. 
Solution 4: Check pressure switch, replace if damaged or inoperable. 

 
Issue: Air horn is inaudible 

Solution 1: Check all switches to make sure they are ON. 
Solution 2: Assure air tank 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 protection. 

Solution 1: Relocate the compressor to a drier, cooler location. 
Solution 2: Replace the compressor. 

 
Issue: Excessive vibration or noise 

Solution 1: Tighten system components. 
Solution 2: Replace the compressor.  

 
Issue: Loss of pressure of tank when compressor is shut off. 

Solution 1: Tighten drain cock. 
Solution 2: Examine air and check valves and replace if damaged or leaking. 
Solution 3: Use soap and water solution on air connections, and tighten connections or repair leaks where needed. 
Solution 4: Replace safety valve, it may be defective. 

 
Issue: Compressor runs continuously and has low air flow. 

Solution 1: Decrease the frequency of use. 
Solution 2: Use soap and water solution on air connections, and tighten connections or repair leaks where needed. 
Solution 3: Clean or replace the air filter element if it is clogged.  
Solution 4: Replace compressor. 

 
Issue: Safety valve trips repeatedly due to overuse  

Solution 1: Replace pressure switch. 
Solution 2: Replace safety valve.

 

Summary of Contents for VXO8815/4124B

Page 1: ...nting 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 During and immediately after...

Page 2: ...oper 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 shaking Never attach the...

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: ...essor 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 cir...

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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