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 293 of 552

TM 9-2350-311-34-2

b. Disassembly

1

2

3

4

5

6

7

8

9

10

Main accumulator assembly contains high pressure nitrogen. Do not disassemble until all pressure

is relieved to avoid injury from trapped high pressure.

Remove valve cap (23) from valve body (24). Depress valve core (25) to relieve precharged nitrogen pres-

sure.

Remove two externally threaded rings (26), one at each end of cylinder (27).

Remove bottom dust protective cap (28) from cylinder (27).

Remove preformed packing (29) and packing retainer (30) from bottom dust protective cap (28) and discard.

Remove top dust protective cap (31) from cylinder (27).

If necessary for replacement, remove four screws (31.1) and instructional plate (31.2) from protective cap

(31).

Remove preformed packing (32) and packing retainer (33) from top dust protective cap (31) and discard.

Remove valve core (25), valve body (24), and preformed packing (34) from top dust protective cap (31).

Discard preformed packing.

NOTE

Be careful not to scratch finished surface of piston.

Remove accumulator piston (35) from cylinder (27).

Remove two ring guides (36) and seal assembly (37) from accumulator piston (35) and discard.

Change 2 6-31