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 310 of 775

TM 9-2350-311-10

2-12 PREPARATION FOR FIRING — CONTINUED

2-12.5

Loading the 155MM Cannon — Continued

b. Power Ramming — Continued

13

Do not fire without follower assembly. This will result in injury to personnel and damage to

equipment.

Be sure firing group block is all the way left. If it isn’t, a misfire will result. Do not hook lanyard to

firing mechanism until cannon tube is elevated.

NOTE

Make sure flanged head of primer is firmly seated against cartridge extractor.

Cannoneer no. 1, with left hand, palm out, back of hand toward breech, slides firing group block (22) to

the left by pulling on follower assembly knob (23).

2-212