Item
Interval
No.
W
M
Q
Item To Be Inspected. Procedures
TM 5-4310-385-13
Table 3-2. Unit Preventive Maintenance Checks and Services (Continued).
W - Weekly
M - Monthly
Q - Quarterly
2
PRESSURE SWITCH
a.
Inspect pressure switch fitting (1) at tank for air leaks.
b.
Turn power off and ON/OFF switch off. Check wire
connections at screw terminals (2) for secure attachment.
c.
With power on and ON/OFF switch on, check operation
of pressure switch (3) by observing pressure gauge while depressing
inflator gauge lever. Pressure switch should engage
starter at 160 psi and stop starter at 190 psi.
3
COMPRESSOR DRIVE
a.
Inspect belt guard mounting screws (1). Remove screws and
belt guard (2).
b.
Inspect belt guard mounting bolts (3) to tank saddle.
c.
Inspect V-belts (4) for cracks or signs of wear.
d.
Inspect drive pulley (5) for secure attachment to motor shaft. Check
key and bushing capscrews (6) for tightness.
3-6
