TM-9-2320-272-24-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4

JUNE 1998

TM-9-2320-272-24-1 - Page 888 of 1015

TM 9-2320-272-24-1

3-191. WASHER CONTROL VALVE REPLACEMENT

THIS TASK COVERS

a. Removal

b. Installation

INITIAL SETUP:

APPLICABLE MODELS

All

TOOLS

Antiseize tape (Appendix C, Item 72)

General mechanic"s tool kit (Appendix

E,

Item 1)

MATERIALS/PARTS

REFERENCES (TM)

TM 9-2320-272-10

TM 9-2320-272-24P

EQUIPMENT CONDITION

Air reservoirs drained (TM 9-2320-272-10),

GENERAL SAFETY INSTRUCTIONS

Do not dirconnect air liner before draining

reservoirs.

air

Do not disconnect air lines before draining air reservoirs. Small

parts under pressure may shoot out with high velocity, causing

injury to personnel.

1.

Remove setscrew (6) and knob (7) from shaft (10).

2.

Remove retaining ring (8), nut (5), washer (4), and washer control valve (3) from instrument panel (9).

3.

Remove clamp (11) and washer bottle delivery line (12) from washer control valve (3).

4.

Remove manifold tee supply line (1) from elbow (2).

If new valve is being installed, use fittings from old valve.

Wrap all male pipe threads with antiseize tape before

installation.

1.

Install manifold tee supply line (1) on elbow (2).

2.

Install delivery line (12) on washer control valve (3) with clamp (11).

3. Install washer control valve (3) on instrument panel (9) with washer (4) and nut (5).

4. Install retaining ring (8) and knob (7) on shaft (10) with setscrew (6).

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