TM 5-4310-384-13
c.
Remove the cover (3).
d.
Attach the conduit (7) with locknuts (6).
e.
Attach wires (4) to switch terminals as tagged and tighten screws (5).
f.
Replace cover (3) and tighten screw (2).
g.
Connect the main power and turn the ON/OFF switch ON.
h.
Compressor should start up if switch is properly connected.
ADJUSTMENT.
Pressure Switch Adjustment
WARNING
To prevent injury, be sure the compressor unit is free of objects or loose clothing, as it will be running
during part of the adjustment procedure.
a.
While watching pressure gage, allow pressure to build in air tank while watching pressure gage. Compressor
should kick off at approximately 190 psi (cut-out).
b.
Release air through drain cock while watching pressure gage. Compressor should kick-on at approximately 160
psi (cut-in). Close drain cock.
c.
If either cut-in or cut-out pressure is incorrect (± 5 psi), proceed to step d.
d.
Disconnect main power and turn OFF/ON switch OFF.
e.
Loosen screw (1) and remove pressure switch cover (2).
f.
Turn pressure adjusting screw (3) (cut-in) and differential adjusting screw (4) (cut-out) according to the following:
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