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

Open circuit.

If shorted at any

3 Cont

Set circuit breakers CB1 thru

connector

pin,

CB8 to off (out) position and

replace

circuit

repeat step 3a. (See figure 5-3.)

breaker (see table 5-

5).

c. Set circuit breakers CB1 thru CB8

Proceed with step

to on (in) position.

J4, J5, J11, J9

Same as step 2.

a. Measure voltage between ground

+28 V dc for each

If voltage is missing

stud and each connector pin

check.

for

one

circuit

listed in table 5-6.

breaker,

replace

defective

circuit

breaker. If voltage is

missing for more than

one circuit breaker,

replace relay K3.

If voltage for one

circuit breaker at one

connector pin and not

at another, check

internal wiring (see

figure FO-1).

Set circuit breakers CB9 thru

CB11 and CB15 thru CB20 to

off (out) position. (See figure 5-

3.)

5-8