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 418 of 552

TM 9-2350-311-34-2

9-5

OIL PUMP AND LINES

This task covers:

a. Removal

b. Disassembly

c. Inspection

d. Assembly

e. Installation

INITIAL SETUP

Tools

Artillery and turret mechanic’s tool kit

(SC 5180-95-CL-A12)

Artillery field maintenance tool kit

(SC 4933-95-CL-A06)

Drain pan (item 12, Appx F)

Materials/Parts

Hydraulic oil pump parts kit (item 116, Appx E)

Lo&washers (4) (item 82, Appx E)

Lubricating oil (4 quarts) (item 25, Appx B)

Equipment Condition

Discharge hydraulic pressure (TM 9-2350-311-20-2)

Traversing mechanism cover plate removed

(TM 9-2350-311-20-2)

a. Removal

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

1

Remove plug (1).

2

Place drain pan of at least two-gallon capacity below drain plug (2) at bottom center of traversing mecha-

nism lower housing (3). Remove drain plug and drain lubricant. Install drain plug and tighten.

3

Disconnect outlet tube (4) by loosening compression hex nuts of adapter (5) and elbow (6).

4

Remove adapter (5) from traversing mechanism upper housing (7).

5

Remove elbow (6) from oil pump (8).

6

Disconnect inlet tube (9) and sleeve (10) by loosening two compression hex nuts (11) of elbow assembly

(12) and elbow (13).

7

Remove elbow (13) from oil pump (8).

8

Remove cap (14) and remove elbow assembly (12) from traversing mechanism lower housing (3).

9-24

Change 2