TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 532 of 1275

TM 9-2350-311-20-1

6 Turn jaw(12) clockwise to remove from bolt(11 ).

7 Slide jaw nuts(13 and 14) out of jaws (10 and 12).

8 Inspect mount base (9), two jaws (10 and 12), and jaw nuts (13 and 14) for cracks.

9 Inspect bolt (11) and jaw nuts(13 and 14) for damaged threads.

c. Assembly

1 Slide jaw nuts(13 and 14) into jaws (10 and 12).

2 Turn jaw(12) counterclockwise to install on bolt (11).

3 Turn jaw (10) clockwise to install on bolt (11).

4 Ensure jaws (10 and 12) have been evenly spaced on bolt (11).

5 Ensure hex head on bolt (11) is installed on high side of mount base (9).

6 Install jaw assembly (8) on mount base (9).

7 Install two jaw pins (7) and four new cotter pins (6).

8 Install universal joint (5) and mount handle (4) on mount base assembly (2) with two new cotter pins (3).

d. Installation

Install mount base assembly (2) and four screws (1) using socket wrench.

NOTE

FOLLOW-ON MAINTENANCE:

Install powerplant (para 4-5)

5-11