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TM 9-2320-364-20-2
2-1066
3. ENGINE DOES NOT START WHEN ETHER STARTING AID IS USED IN COLD
WEATHER (CONT).
Engine block temperature less
than 55F (13C).
Cab heater operates indicating
circuit breaker CB15 is OK.
Ether supply bottle not empty.
Ether hose and fittings OK.
Ether start solenoid OK.
Ether start solenoid is
grounded.
Wire 1487 OK.
Ether start switch OK.
Wire 1036 faulty.
Ether start thermostat
faulty.
Wire 1926 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 22 to 28 vdc are not
measured, wire 1036 is faulty
and ether start solenoid will not
operate.
YES
NO
Replace thermostat
(Para 4-20).
Verify repair, go to
Step 9, of this Fault.
7.
Are 22 to 28 vdc measured at
wire 1036 in harness
connector MC56?
Repair wire 1926 (see
schematic Fig 2-23)
or notify DS
Maintenance.
Verify repair, go to
Step 9 of this Fault.
8.
Is continuity measured
across ether start thermostat
TS1 when switch is cooled to
less than 55F (13C)?
Replace wire 1036
(see schematic
Fig 2-23) or notify
DS Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
NO
Engine block temperature less
than 55F (13C).
Cab heater operates indicating
circuit breaker CB15 is OK.
Ether supply bottle not empty.
Ether hose and fittings OK.
Ether start solenoid OK.
Ether start solenoid is
grounded.
Wire 1487 OK.
Ether start switch OK.
Wire 1036 OK.
Ether start thermostat
faulty.
Wire 1926 faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
Ether start solenoid will not
open if thermostat is faulty.
WARNING
Read WARNING
on Page 2-1067
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