TM-9-2320-273-34

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

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 148 of 801

TM 9-2320-273-34

h. Transformer-Rectifier Test.

.

The transformer-rectifier is checked as follows:

(1)

infinity reading

replaced.

Use an ohmmeter (fig. 5-24) to check for continuity of the transformer windings.

is indicated between any two ac terminals, that winding is open and the unit must

If an

be

TA 074022

Figure 5-24. Transformer-Rectifier Open Test.

(2)

Use an ohmmeter (fig. 5-25) to check for grounds between the five terminals and the hous-

ing. Any reading other than infinity indicates an internal ground and the unit must be replaced.

TA 074023

Figure 5-25. Transformer-Rectifier Ground Test.

5-20