Quantcast M1088/M1089 TRANSMISSION AUXILIARY OIL COOLER FAN DOES NOT OPERATE (CONT) - TM-9-2320-366-20-20724

 

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CONTINUITY TEST - TM-9-2320-366-20-20723
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TM-9-2320-366-20-2 M1083 Series 5-Ton 6 x 6 Medium Tactical Vehicles (MTV) Manual
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VOLTAGE TEST - TM-9-2320-366-20-20725
TM 9-2320-366-20-2
TM
e147. M1088/M1089 TRANSMISSION AUXILIARY OIL COOLER FAN DOES NOT OPERATE (CONT)
e147.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING
4.
on following page.
Engine starts.
Voltage Test or
Circuit breaker OK.
STE/ICE-R #89
Is 24 vdc present at
REASON FOR QUESTION
Transmission auxiliary oil
relay K15 socket 30?
cooler fan OK.
If 24 vdc is not present,
POSSIBLE PROBLEMS
wire 1808 is faulty.
Faulty dashboard cable
assembly.
Faulty relay K15.
NO
Faulty auxiliary panel cable
assembly.
Faulty PTO cable
YES
assembly.
Repair wire 1808 (para 2-45)
Faulty oil cooler fan cable
or replace WTEC II dashboard cable
assembly.
assembly (para 7-10) or WTEC III
dashboard cable assembly (para 7-11).
KNOWN INFO
TEST OPTIONS
5.
Engine starts.
Continuity Test or
Circuit breaker OK.
STE/ICE-R #91
Is continuity present
REASON FOR QUESTION
Transmission auxiliary oil
across relay K15 from
cooler fan OK.
pin 30 to 87A?
If continuity is not present,
POSSIBLE PROBLEMS
relay K15 is faulty.
Faulty relay K15.
Faulty dashboard cable
NO
assembly.
Faulty auxiliary panel cable
assembly.
Faulty PTO cable
YES
assembly.
Replace relay K15
Faulty oil cooler fan cable
(para 7-9).
assembly.
2-1532

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