Onboard Air Systems
L6127
3
1 AIR COMPRESSOR AND AIR TANK MOUNTING
Thread sealant or Teflon tape must be applied to all the fitting
threads installed throughout the installation to prevent air leaks.
Install the push-to-connect fittings into the check valve, then install
the assembly into the compressor head, (as shown in Figure 1).
The compressor makes an audible pumping noise when activated.
Consider this when choosing a mounting location. The location should
also be in a clean, dry area to maintain long compressor life.
Using the compressor as a template, mark and drill three 3/16”
diameter holes. Secure the compressor using the fasteners provided.
2
Choose a location to mount the air tank. Using the supplied hardware
mount the tank with the drain port facing down.
3 ELECTRICAL CONNECTIONS
Provided in the kit is a pre-wired relay receptacle to make this part of
the installation easy.
Find a convenient location to mount the relay receptacle within 12” of
the positive battery terminal. Using the self tapping screw provided,
secure the relay receptacle and install the relay.
CAUTION: Never extend the wire of the harness beyond the length
supplied.
4
Locate the black wire of the relay harness, route it to the air tank
location. Using the fittings provided, install the pressure switch into
one of the ports in the air tank.
DO NOT INSTALL IN THE BOTTOM PORT.
Using the fittings provided, install the pressure switch in a location
for it to sense air tank pressure. Connect the black wire of the relay
harness to one of the two wires of the pressure switch using the heat
shrink butt connector.
Using the loose piece of black wire and another heat shrink butt
connector, connect to the remaining wire of the pressure switch.
Heat the connectors to provide a water tight seal. Then, connect the
end with an eye terminal to a good chassis ground.
2
1
3
4
