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 244 of 552

TM 9-2350-311-34-2

5-13

BUFFER ASSEMBLY - CONTINUED

b. Disassembly

1

Place buffer assembly (7) in vise and secure.

2

Push in bumper assembly (23) against helical compression spring (24) to gain access to round nut (25).

Helical compression spring is under compression. Use care in disassembly to avoid possible injury

to personnel.

3

Drive out spring pin (26) and remove round nut (25). Allow bumper assembly (23) and piston buffer rod (27)

to extend fully out of buffer cylinder (28). Discard spring pin.

4

Disengage key washer (29) locking teeth from threaded bushing (30) at bumper assembly (23) end.

5

Restrain bumper assembly (23) against further extension. Have an assistant unscrew threaded bushing

(30). Allow bumper assembly and piston buffer rod (27) to extend slowly.

5-100 Change 2