TM-9-2350-311-34-2

CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL

SEPTEMBER 1994

TM-9-2350-311-34-2 - Page 237 of 552

TM 9-2350-311-34-2

6

Install four machine screws (34) in retaining plate (33) and plate spacer (32).

7

Install retaining plate group (31) on rear of actuating piston assembly (30) as actuating piston assembly is

pushed into position through cannon assembly.

NOTE

Compare mount model numbers with illustrations before performing steps 8 through 11.

8

Install sleeve spacer (29) and keyway washers (28) at threaded end of actuating piston assembly (30).

NOTE

Be sure single tab of key washer is alined in keyway of keyway washer.

9

Install new key washer (26).

NOTE

Install round nut with tapered side of the nut facing the mount.

10

Install round nut (27) using spanner wrench. To ensure recoil rod is pulled through breech ring adapter

band, loosen round nut. Retighten nut until it begins to press against key washer (26).

11

If tabs on key washer (28) do not line up with slots in round nut (29), tighten or loosen nut as required, but

no more than 15 degrees either way, to get tabs and slots to line up. Bend down two tabs on the key wash-

er, 90 degrees apart, into slots in the nut to lock nut in place.

Change 2 5-93