Section Il. TROUBLESHOOTING - TM-9-6115-661-13-P0158

TM 9-6115-661-13&P

Section Il. TROUBLESHOOTING

5-4. GENERAL.

Refer to TM 9-6115-643-24 for generator set troubleshooting procedures, and to TM 9-2815-254-24 for

engine troubleshooting procedures. Refer to TM 9-2330-205-14&P for 2 1/2 ton trailer troubleshooting

procedures, TM 9-2330-202-14&P for 1 ton trailer troubleshooting procedures, and TM 9-2330-392-14&P

for high mobility trailer troubleshooting procedures. The symptom index for the power plant lists faults

associated with switch box assembly operation. Figures 5-1 through 5-9 provide a go-no-go flowchart of

each malfunction. Each malfunction listed includes a reference to the applicable figure that contains a

chart to help you determine probable causes end corrective actions to take. The symptom index cannot list

all faults that may occur, nor all the tests or inspections and corrective actions. If a malfunction is not

listed or cannot be corrected by listed corrective actions, notify next higher level of maintenance for

assistance.

SYMPTOM INDEX

Troubleshooting

Procedure

(Figure)

Symptom

Unit A ON lamp does not light with generator set AC CIRCUIT INTERRUPTER switch closed . . 5-1

Unit A has no input power to K1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..5-2

Unit A has no out put power from Kl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..5-3

Unit A has output power from K1 but no output at one or more load terminals . . . . . . . . . . . . . .5-4

Unit B ON lamp does not light with generator set AC CIRCUIT INTERRUPTER switch closed . . 5-5

Unit B has no input power to K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..5-6

Unit B has no output power from K2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..5-7

Unit B has output power from K2 but no output at one or more load terminals . . . . . . . . . . . . . .5-8

Power cable W19 and paralleling cables are good, but unit fails to parallel through switch box . . 5-9

5-3

Change 3