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 332 of 552

TM 9-2350-311-34-2

6-12 SAFETY RELIEF ELEVATION VALVE ASSEMBLY

This task covers:

a. Disassembly

b. Inspection

c. Assembly

INITIAL SETUP

Tools

Preformed packings (4) (item 51, Appx E)

Artillery and turret mechanic’s tool kit

Preformed packings (2) (item 163, Appx E)

(SC 5180-95-CL-A12)

Materials/Parts

Equipment Condition

Lockwashers (8) (item 84, Appx E)

Safety relief elevation valve assembly removed (para

Lockwashers (4) (item 108, Appx E)

6-11)

a. Disassembly

1

2

3

Wear safety glasses and steel-tipped shoes to avoid possible injury while handling equipment.

NOTE

There are three different valve assemblies identifiable by number stamped in body. Valve assem-

blies with part numbers 8744652 and 1178342 are not repaired, but instead are replaced by valve

assembly 11784023.

Remove four cap screws (1) and four Iockwashers (2) from safety relief elevation valve assembly (3). Sepa-

rate valve assembly (4), manifold assembly (5), and bracket assembly (6). Discard Iockwashers.

Remove two preformed packings (7) from face of bracket assembly (6) and discard.

Remove two preformed packings (8) from face of manifold assembly (5) and discard.

6-68