TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 733 of 1337

TM 9-2320-260-20

I

9-20. POWER STEERING ASSIST CYLINDER HOSES REPLACEMENT

THIS TASK COVERS:

a. Removal

b. Installation

INITIAL SETUP

APPLICABLE MODELS

EQUIPMENT CONDITION

Parking brake set (TM 9-2320-260-10).

All

MATERIALS/PARTS

Cap and plug set (Appendix C, Item 9)

•

Antiseize tape (Appendix C, Item 30)

REFERENCES (TM]

LO 9-2320-260-12

TM 9-2320-260-10

TM 9-2320-260-20P

Power steering assist cylinder stone shield

removed (para. 11-26).

Hydraulic power steering reservoir drained

(LO 9-2320-260-12).

NOTE

Power steering assist cylinder pressure and return hoses are

replaced the same way. This procedure covers the pressure hose only.

CAUTION

Cap or plug all open hydraulic lines, fittings, and ports to prevent

dirt contamination from entering system. Failure to do so may

result in damage to internal components.

NOTE

•

Tag hydraulic lines and ports for installation.

• Have drainage container ready to catch hydraulic fluid.

●

Front wheels must be in straight-ahead position.

1. Disconnect hose (3) from elbow (4) on power steering assist cylinder (5).

2. Disconnect hose (3) from elbow (2) on truck frame (1).

b. Installation

1. Apply antiseize tape to male threads of elbows (2) and (4).

2. Connect hose (3) to elbow (2) on truck frame (1).

3. Connect hose (3) to elbow (4) of power steering assist cylinder (5). Tighten hose (3) 20-25 lb-ft

(27-34 N

•

m).

9-48