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 298 of 552

TM 9-2350-311-34-2

6-8

ACCUMULATOR ASSEMBLY (PRIMARY) - CONTINUED

a. Disassembly - Continued

4

5

6

7

8

9

10

11

12

13

Push accumulator cap (6) into cylinder (8) about 1 inch (2.54 cm) and remove three segments of accumula-

tor ring (9).

Remove accumulator cap (6) from cylinder (8).

Remove packing retainer (10) and preformed packing (11) from accumulator cap (6) and discard.

If necessary for replacement, remove drive screw (11 .1) and instruction plate (11.2) from accumulator cap

(6).

Remove two cap screws (12) and two flat washers (13) from chassis base (14).

Push chassis base (14) into cylinder (8) about 1 inch (2.54 cm) and remove three segments of accumulator

ring (15).

Remove chassis base (14).

Remove packing retainer (16) and preformed packing (17) from chassis base (14) and discard.

NOTE

Use care to protect machined surfaces of the hydraulic piston and inside diameter of cylinder from

scratches when removing hydraulic piston.

Remove hydraulic piston (18) from cylinder (8).

Remove four packing retainers (19) and two preformed packings (20) from hydraulic piston (18) and discard.

b. Inspection

1

Inspect air relay valve (5). Replace if damaged.

2

Inspect accumulator cap (6). Replace if threads are damaged or burred.

3

Inspect hydraulic piston (18). Replace if cracked, damaged, or burred.

4

Inspect chassis base (14). Replace if cracked, damaged, or burred.

5

Inspect interior of cylinder (8). Replace if scratched, scored, or pitted.

6-36 Change 2