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 135 of 775

TM 9-2350-311-10

Item

No.

28

Interval

Before

Table 2-1. PREVENTIVE MAINTENANCE CHECKS AND SERVICES

FOR M109 SELF-PROPELLED HOWITZER — CONTINUED

Location

Item to Check/

Service

M15

ASSISTANT GUNNER

Elevation

Quadrant

Crewmember

Procedure

a.

b.

Before firing, check all knobs and handwheels

(1) for damage and verify freedom of move-

ment. Ensure level vials (2) are legible and free

of cracks or breaks.

Check counters (3) to make sure viewing win-

dows are not broken and numbers are legible,

move freely, and do not skip.

Not Fully Mission

Capable If:

2-47