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 219 of 775

TM 9-2350-311-10

2-10 OPERATING PROCEDURES -CONTINUED

2-10.6

Operating Hull and Cab Doors and Hatches - Continued

f.

Commander’s Cupola Cover - Continued

2

Commander’s cupola without outside latch handle is operated as follows.

(a)

To rotate commander’s cupola cover (28), pull out latch (34). Rotate commander’s cupola cover and

secure by releasing latch into one of the notches (35).

(b)

To open commander’s cupola cover (28), pull down on latch (30) and turn door handle assembly

(31) to left to release. Secure commander’s cupola cover in open position with manual control lever

(32).

NOTE

Step (c) pertains to hook latch assembly and step (d) pertains to knob latch assembly.

(c)

To close commander’s cupola cover (28), release manual control lever (32). Close commander’s

cupola cover and secure by turning door handle assembly (31) to right.

(d)

To close commander’s cupola cover (28), pull knob (35.1) on latch assembly (35.2). Close

commander’s cupola cover and secure by turning door handle assembly (31) to right.

Change 2

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