TM 5-4310-373-14
4-22. PRESSURE SWITCH ADJUSTMENT
This task covers:
Adjustment of pressure switch.
INITIAL SETUP
Equipment Condition:
Tools:
As noted in procedure
Materials/Parts:
None
Approximate Time Required (minutes):
Personnel Required:
15
1 Mechanic
REMARKS
ACTION
LOCATION/ITEM
WARNING
To prevent injury, be sure the
compressor unit is free of ob-
jects or loose clothing, as it
will be running during part of
the adjustment procedure.
a. Open while watching pres-
1.
Drain cock (1)
sure gage (2).
b. Close while watching pres-
sure gage (2).
NOTE
Figure 4-34. Compressor unit, pressure adjustment
If cut-in pressure isn't 160 psi,
Compressor should cut in when pressure drops below 160
or if cut-out pressure isn't
psi.
180 psi, proceed to step 2.
Compressor should cut out when pressure goes above 180
Disconnect.
2. Main power
psi.
Remove.
3. Pressure switch (3)
cover
Figure 4-35. Pressure switch, cover
4-30