TM 9--2350--292--20--1
0187 00--148
0187 00
PREVENTIVE MAINTENANCE CHECKS AND SERVICES INCLUDING
LUBRICATION INSTRUCTIONS -- CONTINUED
TABLE 3 PREVENTIVE MAINTENANCE CHECKS AND SERVICES
INCLUDING LUBRICATION INSTRUCTIONS, SEMIANNUALLY -- CONTINUED
ITEM
NO.
NOT FULLY
MISSION
CAPABLE
IF:
PROCEDURE
LOCATION
ITEM TO
CHECK/
SERVICE
INTERVAL
SEMIANNUALLY
BATTERY AND
ENGINE
COMPARTMENT
57
Batteries
WARNING
a. Remove batteries (WP 0288 00).
b. Thoroughly clean batteries (1), trays
(2), supports (3) and retainers (4).
c. If supports (3), trays (2) and/or
retainers (4) are corroded, paint with
acid--resistant paint (item 62,
WP 0716 00).
d. Repair or replace bent or broken trays
(2), supports (3) and retainers (4).
e. Replace batteries (1) that have
cracked cases (WP 0288 00).
f. Remove battery caps (5) and clean
vents.
g. Check that electrolyte level of each
battery (1) is up to split ring.
h. Test specific gravity of battery
electrolyte. Specific gravity shall be a
minimum of 1.225 under normal operating
conditions and 1.180 under tropical
conditions (TM 9--6140--200--14). If
specific gravity is unsatisfactory, charge or
replace batteries (1) (WP 0288 00).
Any
damaged
batteries or
batteries
with low
specific
gravity
readings.
1
2
3
4
5
