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 315 of 775

TM 9--2350--311--10

Change 6

2--217

2--12 PREPARATION FOR FIRING — CONTINUED

2--12.6

Laying For Direction and Quadrant During Indirect Fire Mission — Continued

a. Laying for Direction Using M1A1/M1A2 Collimator — Continued

6

After assistant gunner lays the cannon for quadrant and announces to “SET,” gunner verifies that

announced deflection appears on reset counter (3). M145/M145A1 telescope mount (7) pitch level (5)

and cross-level (6) bubbles are centered, and a proper sight picture is on M1A1/M1A2 collimator (10).

Gunner then announces “READY.”

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3

7

5

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