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 253 of 775

TM 9--2350--311--10

2--155

2--12 PREPARATION FOR FIRING — CONTINUED

2--12.1

Pre-Firing Emplacement — Continued

a. Emplacing Howitzer — Continued

WARNING

Travel lock assembly is heavy. Close travel lock cap before lowering travel lock assembly and

be careful when lowering to avoid injury.

10

Driver disengages travel lock assembly (13) (para 2--10.8) and commands gunner to elevate.

11

On driver’s command, gunner turns CAB POWER switch (14) to ON and elevates cannon tube (15).

Driver lowers and secures travel lock assembly (13) (para 2--10.8), gunner depresses cannon tube and

turns ELEVATION CONTROL switch (16) to NO. 1 MAN position.

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14

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