TM 9--2350--292--20--1
0187 00--121
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
EXTERIOR
35
Commanders
Cupola
a. Rotate commanders cupola (1) to
ensure that ring does not bind.
b. Operate cupola door latch (2) and lock
(3) in open and closed positions to ensure
ease of operation.
c. Check seals (4) and crash pads (5) for
tears and deterioration.
d. Check that vision blocks (6) are free of
fungus growth, chips, fractures and
separation that would interfere with vision.
Any missing,
loose,
damaged
seals, crash
pads or
mounting
hardware.
Cupola does
not rotate
smoothly.
LUBRICANTS/
COMPONENTS
REFILL
CAPACITY
EXPECTED TEMPERATURE*
+40°F to --10°F
(+4°C to --23°C)
Above +32°F
(Above 0°C)
0°F to --65°F
(--17°C to --54°C)
GREASE:
Automotive and
Artillery Grease,
(GAA),
MIL--G--10924
As
Required
*For Arctic Operation, refer to FM 9--207
ALL TEMPERATURES
e. Lubricate commanders cupola hatch
hold open latch (7) with GAA through
fitting (8) until grease is visible.
f. Wipe excess grease with rag
(item 7, WP 0716 00).
Any clogged,
missing or
damaged
grease
fittings.
1
2
3
4
5
6
HIDDEN
HIDDEN
7
8
1
6