TM 9-2320-365-10
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
e. ELECTRICAL SYSTEM (CONT)
e17c.
SPEEDOMETER DOES NOT ILLUMINATE (CONT).
If VOLTS gage illuminates, notify Unit Maintenance.
If VOLTS gage does not illuminate, perform Electrical System Troubleshooting (e17d.
VOLTS Gage Does Not Illuminate).
e17d.
VOLTS GAGE DOES NOT ILLUMINATE.
Check to see if WATER TEMP gage illuminates.
(a)
Position main light switch main selector lever to SER DRIVE (para 2-21c).
(b)
Position main light switch auxiliary lever to PNL BRT (para 2-21c) and observe if WATER
TEMP gage illuminates.
(c)
Position main light switch auxiliary lever to OFF (para 2-21c).
(d)
Position main light switch main selector lever to OFF (para 2-21c).
If WATER TEMP gage illuminates, notify Unit Maintenance.
If WATER TEMP gage does not illuminate, perform Electrical System Troubleshooting
(e17e. WATER TEMP Gage Does Not Illuminate).
e17e.
WATER TEMP GAGE DOES NOT ILLUMINATE.
Check to see if OIL PRESS gage illuminates.
(a)
Position main light switch main selector lever to SER DRIVE (para 2-21c).
(b)
Position main light switch auxiliary lever to PNL BRT (para 2-21c) and observe if OIL
PRESS gage illuminates.
(c)
Position main light switch auxiliary lever to OFF (para 2-21c).
(d)
Position main light switch main selector lever to OFF (para 2-21c).
If OIL PRESS gage illuminates, notify Unit Maintenance.
If OIL PRESS gage does not illuminate, check circuit breaker (CB70) on PDP to see if it is tripped.
(a)
Remove PDP cover (para 3-13a).
(b)
If circuit breaker is tripped, push in to reset.
(c)
Install PDP cover (para 3-13b).
(d)
Position main light switch main selector lever to SER DRIVE (para 2-21c).
(e)
Position main light switch auxiliary lever to PNL BRT (para 2-21c) and observe if WATER
TEMP gage illuminates.
(f)
If WATER TEMP gage does not illuminate, notify Unit Maintenance.
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