Table 5-4. Power Distribution Box Troubleshooting Procedure (Cont)

TM 32-6110-003-24&P

Table 5-4. Power Distribution Box Troubleshooting Procedure - Continued

Step

Test Point

Test Equipment

Procedure

Normal Indication

If Indication is

Normal

Abnormal

J9-D, J10-G

Same as step 5.

a. Turn power supply on. Set circuit

breakers CB12 thru CB14 to on

(in) position. 28 V power supply

must be turned on. (See figure

5-3.)

0 V dc.

Replace relay K4 or

Measure- voltage between

filter FL6.

connector pins J9-E (-) and J10-

G (+).

Proceed with step

Replace relay K4 or

c. Set FANS circuit breaker CB6 to

+28 V dc. Slowly

filter FL6.

off (out) position and repeat step 6b.

bleeding down to 0

volts.

a. Turn power supply off.

b. Disconnect all test equipment.

Test Completed

5-11