TM-9-2350-256-34

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 2005

TM-9-2350-256-34 - Page 351 of 584

TM 9-2350-256-34

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INTERMEDIATE MAINTENANCE

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

NSN 2350-00-122-6826, EIC AQA

MAIN HYDRAULIC PUMP UNLOADING VALVE REPLACEMENT

REMOVAL, INSTALLATION

INITIAL SETUP:

Tools and Special Tools

Tool kit, general mechanic’s (item 34, WP 0086 00)

Materials/Parts

Lockwashers (8) (item 162, WP 0087 00)

Packing (item 133, WP 0087 00)

Screws (4) (item 66, WP 0087 00)

Materials/Parts (cont.)

Screws (4) (item 68, WP 0087 00)

Equipment Condition

Subfloor plates 11, 12, and 14 removed (TM 9-2350-

256-20)

Removal

1.

Disconnect two hydraulic lines (1).

2.

Remove four screws (2), lockwashers (3), and hydraulic line (4). Discard lockwashers.

3.

Remove four screws (5), lockwashers (6), hydraulic line (7), and main hydraulic pump unloading valve (8) from main

hydraulic pump (9). Discard lockwashers.

4.

Remove and discard packing (hidden) (10) from main hydraulic pump unloading valve (8).

Installation

1.

Install packing (hidden) (10) to main hydraulic pump unloading valve (8).

2.

Install main hydraulic pump unloading valve (8), hydraulic line (7), four lockwashers (6), and screws (5) to main hydraulic

pump (9).

3.

Install hydraulic line (4), four lockwashers (3), and screws (2).

4.

Connect two hydraulic lines (1).

END OF WORK PACKAGE

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