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 338 of 552

TM 9-2350-311-34-2

6-14 ASSISTANT GUNNER’S CONTROL ASSEMBLY - CONTINUED

a. Disassembly - Continued

4

Remove two cap screws (14), two lockwashers (15), three preformed packings (16) and shuttle valve as-

sembly (17) from manifold assembly (13). Discard preformed packings and lockwashers.

5

Remove check valve (18) and preformed packing (19) from manifold assembly (13). Discard preformed

packing.

6

Remove plug (20) preformed packing (21), and electrical cover (22). Discard preformed packing.

b. Assembly

1

2

3

4

5

6

Install electrical cover (22) new preformed packing (21) and plug (20).

Install new preformed packing (19) and check valve (18) in manifold assembly (13).

Install three new preformed packings (16) shuttle valve assembly (17), two new lockwashers (15) and two

cap screws (14) on manifold assembly (13).

Install three new preformed packings (12) manifold assembly (13), five new lockwashers (11), and five cap

screws (10) on hydraulic pumping unit (9).

Secure hydraulic pumping unit (9) to elevation bracket (6) with three new lockwashers (8) and three cap

screws (7).

Secure assistant gunner’s control grip assembly (5) to elevation bracket (6) using hex nut (4), three new

lockwashers (2), three flat washers (3), and three machine bolts (1).

6-74 Change 2