TM 9--2350--292--10
0005 00--13
THEORY OF OPERATION -- CONTINUED
0005 00
SMOKE GRENADE LAUNCHER SYSTEM, M239
D
Pushbutton Switches (Left and Right) (1) -- fires either the left side or right side pattern of smoke gre-
nades by applying 28 V dc to the smoke grenade discharge tubes (4).
D
Indicator Light (2) -- lights when smoke grenade launcher system is activated.
D
Arming Switch (3) -- activates the smoke grenade launcher system by applying 28 V dc to the smoke
grenade launcher indicator light (2) and pushbutton switches (1).
D
Smoke Grenade Discharge Tubes (4) -- located on the left and right front corners of the vehicle. Smoke
grenades are loaded into each of the twelve barrels (six per side). When the pushbutton switch (1) is
pressed, 28 V dc is applied to the smoke grenades to fire the propellant charge.
2
4
4
1
3