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 232 of 775

TM 9-2350-311-10

2–10 OPERATING PROCEDURES — CONTINUED

2-10.8 Traversing and Elevating — Continued

d. Power Elevating

1 Turn MASTER switch (12) to ON.

2 Turn CAB POWER switch (14) to ON.

NOTE

If gunner is going to elevate, perform step 3; if assistant gunner is going to elevate, perform step

4.

3 Turn ELEVATION CONTROL switch (23) to GUNNER position. Pull gunner’s control handle (21) to

elevate or push to depress.

4 Turn ELEVATION CONTROL switch (23) to NO. 1 MAN position. Pull assistant gunner’s control handle

(24) to elevate or push to depress.

e. Manual Elevating

Manual elevating is done by assistant gunner turning handpump crank (25).

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