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VXO4830AB
INSTALLATION GUIDE
PAGE 4 of 5
ELECTRICAL CONNECTION
The red wire of the compressor should be connected to (+) 12-volt power source.
IMPORTANT
: To prevent
the compressor from over running and possible damage due to an air leak,
connect the compressor’s red wire
to a power source in the vehicle that only gets power when the vehicle’s ignition is on. Recommended
connection points are: windshield wiper motor, blower motor or an accessory terminal on the fuse panel.
Make sure to use wire that is as heavy as the wire of the compressor.
Attach the black wire to any of the Pressure Switch’s connections located on the air tank.
The remaining Pressure Switch connection should be attached to ground. Secure the end under any metal
body or to the negative side of the vehicle’s battery. The ground connection should be rust and paint free.
Your compressor is now set for use and will turn on automatically when air pressure in the air tank falls. When
air pressure reaches maximum PSI, it will turn off. If the compressor fails to reach the maximum air pressure
of the tank, which is the Pressure Switch's cut OFF pressure, check all air connections for leaks. While the
compressor 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.
ON-BOARD SYSTEM/TRAIN HORN WIRING DIAGRAM (FOR REFERENCE ONLY)
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
.