TM-9-2350-311-10

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; OPERATOR’S MANUAL

NOVEMBER 1994

TM-9-2350-311-10 - Page 338 of 775

TM 9-2350-311-10

2–15 MISFIRE PROCEDURES — CONTINUED

2-15.1 General — Continued

d. Cold Cannon Misfire/Checkfire Procedures - Charges 3 through 8

W1, W2, and W3 identify applicable warnings on flow chart. To prevent injury to personnel:

●

W1

●

W2

●

W3

●

W4

●

W5

Weapon will be kept trained on target.

Personnel clear of muzzle and recoil path.

Stay clear of recoiling parts. Don’t put hand behind primer chamber.

The primer can be expelled rearward should there be a sticker. If a sticker

is suspected, follow charge 2 misfire in a cold cannon tube procedures

(para 2–15.2).

When opening the breech to remove the powder charge and if smoke/sparks

are coming from the chamber area, do not attempt to remove the charge

or close the breech. Immediately evacuate the vehicle through the gunner’s

escape hatch, commander’s cupola, or cab side doors, but not the hull rear door.

Notify EOD.

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