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 812 of 1500

TM9-2320-273-20

TRANSMISSION.

Put in place.

Screw on and tighten.

a. Place on valve (10).

b. Attach with pin (14).

Screw onto fittings.

a. Attach with four screws (4).

b. Tighten screws (4).

Screw in and tighten.

6-12. RATlO SELECTOR AND AIR CHARGING VALVE MAINTENANCE (Continued).

LOCATION/lTEM

ACTION

REMARKS

D. INSTALLATION.

11. Valve (10).

12. Nut (13).

13. Knob (15).

14. Air lines (11) and (12).

15. Housing (3).

16. Knob (1) and indicator (2).

E. OPERATIONAL CHECK.

17. Engine.

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

18. Air charging valve knob (15).

a. Push knob in with air pressure

below 65 psi (448 kPa). It

should pop out when released.

b. Push knob in with air pressure

above 65 psi (448 kPa). It

should stay in and the sound

of the transmission engaging

should be evident.

c. Test drive vehicle. Shifts

should be smooth with no

evidence of sticking.

6-30