TM 9--2350--292--20--1
0187 00--123
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
37
Smoke Grenade
Launcher
System M239
WARNING
Before performing checks on
smoke grenade launcher system,
visually confirm that no smoke
grenades are in launcher tubes.
Failure to comply may result in se-
vere injury or death to personnel.
a. Check tightness of all connectors (1).
b. Inspect condition of cables (2) for
fraying, broken wires and for tightness of
fit in connectors (1).
c. Check spring return action of
pushbutton firing switches (3 and 4)
switching action of power (arming) switch
assembly (5).
d
Check light bulb (6) in power (arming)
Any loose
connectors,
cracked or
fraying
cables; any
inoperative
switches;
burned out
lamp.
.
switch assembly (5).
1
2
3
4
5
6
