TM 5-4310-373-14
4-21. PRESSURE SWITCH, INSPECTION/CLEANING/REPAIR
This task covers:
Inspection, cleaning and repair of pressure switch.
INITIAL SETUP
I quipment Condition:
E
Tools:
Compressor unit OFF
Materials/Parts:
Compressed air
Brush
Approximate Time Required (minutes):
Personnel Required:
10
1 Mechanic
REMARKS
ACTION
LOCATION/lTEM
WARNING
Be sure main power is discon-
nected before doing any work
on electrical systems. Voltages
present in this equipment can
cause serious injury or death.
Use soap solution to check for air leaks at connections
1. Pressure switch
a. Inspect for air leaks.
to tank only.
b. Inspect for damaged pipe
threads.
Replace pressure switch if contacts are bad.
Inspect for bad contacts.
2. Switch contacts
WARNING
Eye protective equipment
must be worn when cleaning
with compressed air.
Remove loose dirt from inside
1. Pressure switch
of switch with soft brush and
compressed air.
NOTE
The diaphragm is the only
part of the pressure switch
that is not repairable.
4-28
