Quantcast 24 VDC CIRCUITS DO NOT OPERATE (CONT) - TM-9-2320-366-20-10438

 

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VOLTAGE TEST - TM-9-2320-366-20-10437
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TM-9-2320-366-20-1 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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CONTINUITY TEST - TM-9-2320-366-20-10439
TM 9-2320-366-20-1
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
4.
Continuity Test or
Service drive lights OK.
STE/ICE-R Test #91
Circuit breaker CB70 OK.
Is continuity present from
REASON FOR QUESTION
Batteries OK.
relay K2 socket 30 on PDP
100 AMP reverse polarity relay
to terminal X1 on PDP?
If continuity is not present,
OK.
wire 1602 is faulty.
100 AMP reverse polarity relay
to power distribution panel
(PDP) 24 VDC cable OK.
Battery to 100 AMP reverse
NO
polarity relay 24 VDC cable
OK.
200 AMP reverse polarity relay
OK.
Repair wire 1602 from terminal X1on
200 AMP terminal block OK.
PDP to relay K2 socket 30 on PDP (para 2-45)
Battery to 200 AMP terminal
YES
or replace WTEC II dashboard cable assembly
block 24 VDC cable assembly
(para 7-10) or WTEC III dashboard cable
OK.
assembly (para 7-11).
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 relay K2.
Faulty master power switch.
Faulty dashboard cable
assembly.
2-274
Change 1

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