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

+28 V dc for each

If voltage missing at

5 Cont

With multimeter connected to

check.

connector pin J10-G,

ground stud , measure voltage at

replace

circuit

connector pins J10-G, J10-R,

breaker CB14, filter

and J10-L.

FL1, or relay K1.

If voltage missing at

connector pin J10-R,

replace

circuit

breaker CB12 filter

FL3, or relay K1.

If voltage missing at

connector pin J10-L,

replace

circuit

breaker CB13 filter

FL2, or relay K1.

f. Set circuit breakers CB12 through

+28 V dc slowly

Proceed with step

If voltage present at

CB14 to off (out) position and turn

bleeding down to 0

J10-L, J10-G or J10-

power supply off. Connect a 600

volts.

R, replace related

ohm, 2 W resistor between J10-L

circuit breaker.

and ground to bleed off the in-line

filter discharge. Monitor the dis-

charge with a multimeter. Repeat

the procedure for J10-G and J10-

R. (See figure 5-3.)

5-10