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TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download

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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). 2-134