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 688 of 1258

TM 9-2320-280-34

14-16.

PRESSURE SWITCH REPLACEMENT

This task covers:

a.

Removal

b.

Installation

INITIAL SETUP:

Applicable Models

Equipment Condition

M997, M997A1

Evaporator blower housing opened

(TM 9-2320-280-20).

Tools

General mechanic's tool kit:

Maintenance Level

automotive (Appendix G, Item 1)

Direct support

Manual References

TM 9-2320-280-20

TM 9-2320-280-24P

a.

Removal

NOTE

•

Lower pressure switch and high pressure switch are replaced

basically the same.

•

Prior to removal, tag leads for installation.

1.

Disconnect leads (4) and (3) from pressure switch leads (2).

2.

Remove pressure switch (5) from valve (1).

b.

Installation

1.

Install pressure switch (5) to valve (1).

2.

Connect leads (4) and (3) to pressure switch leads (2).

FOLLOW-ON TASK:

Close evaporator blower housing (TM 9-2320-280-20).

14-88