TM-9-2320-273-20

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE

NOVEMBER 1980

TM-9-2320-273-20 - Page 976 of 1500

TM 9-2320-273-20

BRAKE SYSTEM.

9-17. TRAILER SUPPLY BRAKE VALVE (Continued).

LOCATION/lTEM

ACTION

REMARKS

A. REMOVAL (Continued).

Do not remove any air lines until pres-

sure is fully exhausted from all reservoirs.

6. Air line (6).

a. Label using masking tape

and marker pencil.

b. Unscrew and remove from valve (7).

7. Air line (8).

a. Label using masking tape

and marker pencil.

b. Unscrew and remove from valve (7).

8. Valve (7).

Remove from dash panel.

B.

INSPECTION OF LINES AND FITTINGS.

9. Air lines (6) and (8).

Inspect for:

Replace, if necessary.

a. Cracks.

b. Leaks.

c. Kinks.

d. Damaged threads.

C.

INSTALLATION.

10. Valve (7).

11. Two air lines (6) and (8).

12. Locknut (5).

13. Control knob (4).

14. Roll pin (3).

15. Hinged panel (2).

16. Two quarter-turn

screws (1).

D. OPERATIONAL CHECK.

17. Engine.

Start up (see TM 9-2320-273-10).

Allow pressure to reach 105-120

psi (724-827 kPa).

Install behind dash panel.

a. Coat threads on valve (7)

with liquid teflon.

b. Screw into valve (7) and

tighten.

Screw into valve (7) and

tighten.

Install by alining hole in knob

with hole in valve handle.

Push in.

Raise into position.

Tighten.

9-56