TM 5-4310-375-14
Table 2-1. Operator/Crew Preventive Maintenance Checks and Services
NOTE
If the equipment must be kept in continuous operation, check and service
only those items that can be checked and serviced without disturbing
operation. Make the complete checks and services when the equipment
can be shut down.
Perform weekly as well as before operations PMCS if:
(1) You are the assigned operator and have not operated the item since the last weekly.
(2) You are operating the item for the first time.
Monthly
M
-
A f t e r Operation
A
-
B e f o r e Operation
B
-
Weekly
W
-
D
-
D u r i n g Operation
EQUIPMENT IS NOT
INTERVAL
ITEM TO BE
ITEM
W
B
PROCEDURE
A
R E A D Y / A V A I L A B L E IF:
M
INSPECTED
D
NO.
1
Air compressor
Check level of oil. Level shall be
Oil level is below center
at center mark on sight gauge (7,
(13, figure 2-1)
mark on sight gauge.
use SAE 30 weight oil. Install filler
cap (8). Refer to paragraph 3-2 for
other lubrication instructions.
2
Visually inspect for oil leakage.
Class III leaks are
Air compressor
detected.
Refer to footnotes for leakage
(13, figure 2-1)
class.
3
Visually inspect for loose, frayed, or
Pressure switch and
Loose, frayed, or burned
burned wires at pressure switch (1,
wires are found.
motor control
(1, 2, figure 2-1)
Notify Organizational Maintenance
if any are found.
4
Visually inspect for broken, frayed,
Belts are loose, frayed, or
Drive belts (14,
or loose drive belts (14, figure 2-1)
figure 2-1) and
broken.
and loose or damaged belt guard.
belt guard
Notify Organizational Maintenance
(15, figure 2-1)
for adjustment or replacement.
5
Air pressure gauge
Gauge face is broken or
Visually check pressure gauge (5,
load and unload pressures
(5, figure 2-1)
are not as specified.
The motor should stop when
pressure gauge reads 200 psi (14.1
kgs/cm2) +0 - 10 psi (0.70 kgs/cm2)
and start again when gauge reads
175 psi (12.3 kgs/cm2) 10 psi
(0.70 kgs/cm2). If gauge is broken
or correct pressures are not indicated,
notify Organizational Maintenance
2-4
