TM 5-4310-385-13
Pressure Switch Adjustment
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.
Depress lever on inflator gage while watching pressure gage. Compressor should kick-on at approximately 160
psi (cut-in).
b.
Release lever and allow pressure to build in air tank while watching pressure gage. Compressor should kick off at
approximately 190 psi (cut-out).
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) and differential adjusting screw (4) according to the following:
Pressure Adjustment Procedure
g.
Recheck cut-in and cut-out pressures until adjustment is within limits.
h.
Install pressure switch cover (2) and tighten screw (1).
i.
Connect main power supply.
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