TM 9-4120-405-13&P
Table 2-1. Operator Preventive Maintenance Checks and Services (cont.)
B - BEFORE
D - DURING
A - AFTER
W - WEEKLY
M - MONTHLY
Procedures:
Interval
Check for and have
Equipment is
Item
Item to be
repaired, filled or adjusted
Not Ready/
No.
BDAWM
Inspected
as needed
Available If:
7
Control Module
Inspect for damage, secure
Control module dam-
mounting, and proper operation in
aged or operating
accordance with para. 2-8.
improperly.
8
Refrigerant Sight
After 15 minutes of operation in
Bubbles, milky flow, or
Glass
maximum cooling, check for bubbles
yellow color is observed.
or milky flow indicating low
refrigerant charge. Check for yellow
color which indicates presence of
moisture.
9
Flexible Ducts and
Check for obstruction, damage,
Flexible duct missing or
Adapters
proper adjustment, loose or missing
damaged beyond repair.
duct or hardware.
GENERATOR-SET
10
Generator-Set
a. Check on, around, and beneath
Any fuel leaks are
the generator-set for fuel or oil
detected.
leaks.
Class III oil or fuel leaks
detected.
b. Check that generator-set is
Not properly grounded.
properly grounded.
c. Check for secure connections
Loose or missing parts
frayed or damaged
ground wire.
CAUTION
Dangerous gases. Do not
smoke or use open flame
while servicing battery due to
possible presence of hydrogen,
a highly explosive gas.
d. Check battery electrolyte level.
Level should be about 3/8 in.
above top of plates. Add water if
level is low. Use clean water
(distilled water if available).
2-7
