SMOKE GRENADE LAUNCHER SYSTEM OVERVIEW AND DIAGRAMS.
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Smoke Grenade Launcher System Overview And Diagrams
The M239 screening smoke grenade launcher system consists of the ARM SMOKE ON/OFF arming switch; the
ARMED arming switch indicator light; the firing switch assembly with two push button switches; two dischargers,
each with six discharge tubes; and related electrical wiring.
When the MASTER switch is ON, system power (+24 -- 28 V dc) is supplied to the smoke grenade launcher sys-
tem through a 15--amp circuit breaker in the accessories panel to the arming switch assembly. The smoke grenade
launcher sequence is initiated when the ARM SMOKE switch is set to the ON position. The ARMED indicator will
light to indicate smoke grenades are armed. Once armed, the smoke grenades are launched when the firing
switches are pressed. Each firing switch launches three grenades on each side of the vehicle. If both switches are
pressed simultaneously, all twelve smoke grenades will be launched. A diagram is included to show the relation-
ship of the smoke grenade launching system components.
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