TM-5-5420-202-10

TM 5-5420-202-10

0023

5. When grenade power light (Figure 6, Item 1) comes on, press FIRE SMOKE LEFT pushbutton (Figure 6, Item 2),

FIRE SMOKE RIGHT pushbutton (Figure 6, Item 3), or both pushbuttons from dischargers.

Figure 6.

Fire Smoke Left/Right Pushbuttons.

END OF TASK

Hangf res, Misf res, and Duds

WARNING

isf re or dud has the potential to explode. DO NOT touch a dud smoke grenade. When

isf re or dud occurs, all personnel must remain a minimum of 219 yd (200 m) from

vehicle for a minimum of 5 minutes after f

al attempt to f re. Crew must remain in vehicle

with hatches closed. Notify Explosive Ordnance Disposal (EOD) personnel and give type,

quantity, and precise location of dud grenades. Failure to comply may result in personnel

injury or death.

1. A hang f re smoke grenade is a temporary failure or delay in action of propellant charge. When hangf re occurs,

wait 10 seconds and make two additional attempts to f re with 10-second intervals. If grenade still does not f re,

wait 5 minutes and treat it as a misf re.

2. A misf re is failure of smoke grenade discharger to f re grenades. When misf re occurs, wait 10 seconds and

make two additional attempts to f re with 10-second intervals. If grenade still does not f re, wait 5 minutes,

remove misf red grenade from discharger, and place it 219 yd (200 m) away from personnel and equipment.

Notify EOD personnel and give type, quantity, and precise location of misf red grenades.

3. A dud is a smoke grenade that has f red from a discharger but has failed to burst or burn. Wait 15 minutes with

hatches closed. Notify EOD personnel and give type and precise location of dud grenade.

END OF TASK

0023-7

OPERATE M239 SMOKE GRENADE LAUNCHER - CONTINUED

Firing - Continued

TM-5-5420-202-10 - Page 172 of 535