TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996

TM-9-2320-280-34 - Page 538 of 1258

TM 9-2320-280-34

11-4.

POWER STEERING PUMP AND STEERING GEAR LEAK TEST

This task covers:

Leak Test

INITIAL SETUP:

Tools

Equipment Condition

General mechanic's tool kit:

Power steering pump and steering gear installed

automotive (Appendix G, Item 1)

properly on test stand.

Power steering analyzer

Power steering fluid at proper level

(Appendix, G, Item 129)

(TM 9-2320-280-20).

Power steering pump and gear test stand

(Appendix C, Fig.

C-19)

Maintenance Level

Direct support

Leak Test

NOTE

Mounting of components to stand is left to discretion of user.

1.

Connect power steering analyzer (2) between power steering pump high pressure (output) side (8)

and steering gear inlet (6).

2.

Connect a pressure hose (7) between power steering return port (1) and steering gear outlet (5).

3.

Plug unused power steering pump return port (9).

4.

Start electric motor (3) using on/off switch (4).

5.

Power steering pump should be operated at 455-1475 rpm.

6.

Adjust power steering analyzer pressure to 140-170 psi (965-1172 kPa).

7.

Check power steering pump and steering gear for leaks.

11-6