TM-5-5420-202-10

0023

TM 5-5420-202-10

WARNING

An explosion or discharge may occur when loading discharger. Ensure grenade power

switch is OFF (lamp not lit) before loading discharger. DO NOT place any part of body in

front of dischargers when loading grenades or when dischargers are loaded. Failure to

comply may result in personnel injury, death, or equipment destruction.

6. Push six grenades (Figure 3, Item 3), base f rst, into barrels of each discharger (Figure 3, Item 1). Spring clip

(Figure 3, Item 4) on grenade base must engage tip plug (Figure 3, Item 2) at bottom of each barrel.

7. Rotate each grenade (Figure 3, Item 3) 1/4 to 1/2 turn to ensure electrical contact.

Figure 3.

Loading Dischargers.

END OF TASK

Firing

WARNING

• A misfire or dud has the potential to explode. DO NOT touch a dud smoke grenade.

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

from vehicle for a minimum of 5 minutes after final attempt to fire.

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.

• Firing grenades while launching bridge could cause the grenade to strike the bridge and

launching mechanism, causing a f re. DO NOT f re smoke grenades while launching bridge.

Failure to comply may result in personnel injury or death, or equipment damage.

•I

f f red into gusty winds, particles of a detonated L8A1 grenade may blow back into the

vehicle and cause a f re. Crew must remain in vehicle with hatch closed. Failure to comply

may result in personnel injury or death, or equipment damage.

0023-4

OPERATE M239 SMOKE GRENADE LAUNCHER - CONTINUED

Loading - Continued

TM-5-5420-202-10 - Page 169 of 535