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 278 of 552

TM 9-2350-311-34-2

6-2 COVER ASSEMBLY - CONTINUED

a. Disassembly - Continued

11

12

13

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16

Remove three cap screws (21), three lockwashers (22), and retaining plate (23). Discard Iockwashers.

Remove power pack sleeve group (24).

Remove four preformed packings (25) from power pack sleeve (26) and discard.

Remove retaining ring (27) while restraining power pack retainer (28). Discard retaining ring.

Remove power pack retainer (28) from power pack sleeve (26).

Remove preformed packing (29), helical compression spring (30), and snubber (31). Discard preformed

packing and helical compression spring.

b. Inspection

1

Inspect power pack sleeve assembly spool (20) and power pack sleeve (26). Replace power pack sleeve

assembly (32) if either piece is scratched or burred.

2

Inspect hydraulic sleeve assembly spool (4) and hydraulic sleeve (10). Replace hydraulic sleeve assembly

(33) if either piece is scratched or burred.

3

Inspect cover (3). Replace if cracked, distorted, or damaged.

c. Assembly

1

Install snubber (31), helical compression spring (30), new preformed packing (29), and power pack retainer

(28) on power pack sleeve (26).

2

Compress power pack retainer (28) and install new retaining ring (27).

3

Install four new preformed packings (25) on power pack sleeve (26).

4

Insert power pack sleeve group (24) into cover (3).

5

Install retaining plate (23), three new lockwashers (22), and three cap screws (21).

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