TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
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WARNING Read WARNING on following page. TEST OPTIONS REASON FOR QUESTION KNOWN INFO Is 24 VDC present at circuit breaker CB30 socket 1 on PDP? 13. YES Voltage Test or STE/ICE-R Test #89 Repair wire 1602 from terminal X1 on PDP to bus bar X4 on PDP (para 2-40) or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). TM 9-2320-365-20-1 2-274.8 Change 1 Service drive lights OK. Circuit breaker CB70 OK. Batteries OK. 100 AMP reverse polarity relay OK. 100 AMP reverse polarity relay to power distribution panel (PDP) 24 VDC cable OK. Battery to 100 AMP reverse polarity relay 24 VDC cable OK. 200 AMP reverse polarity relay OK. 200 AMP terminal block OK. Battery to 200 AMP terminal block 24 VDC cable assembly OK. 200 AMP terminal block to reverse polarity relay 24 VDC battery cable OK. 200 AMP terminal block to reverse polarity relay 24 VDC load cable OK. 200 AMP terminal block to power distribution panel (PDP) 24 VDC cable OK. POSSIBLE PROBLEMS Faulty dashboard cable assembly. Replace bus bar X4 on PDP or replace WTEC II dashboard cable assembly (para 7-10) or WTEC III dashboard cable assembly (para 7-11). If 24 VDC is not present, wire 1602 is faulty. If 24 VDC is present bus bar X4 is faulty. NO e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)