TM
55-1730-229-12
AG
320a0-OMM-000
TO
35C2-3-473-1
TM
1730-12/1
Table 4-2.
Organizational Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
(continued)
39.
c. Perform operational check.
ENGINE DOES NOT SHUT DOWN WHEN EMERG STOP SWITCH IS PRESSED.
40.
Set ENGINE CONTROL switch to STOP.
Step 1.
a.
If engine now stops, replace EMERG STOP switch S2 (paragraph
If engine continues to run, do step 2.
b.
Step 2.
Set MASTER SWITCH to OFF.
a. If engine now stops, go to step 3.
b. If engine keeps running, pull GTE 10 AMP circuit breaker. If
engine now stops, multiple faults exist. Test ENGINE CONTROL
switch and MASTER switch (malfunction 79), and EMERG STOP
switch (malfunction 93).
c. If engine continues to run, fuel shutdown solenoid is de-
fective. Wait until engine stops and replace fuel shutdown
solenoid (paragraph 4-70).
Step 3.
Check starter latch relay 3K2 (malfunction 84).
a. Replace relay 3K2 if defective (paragraph 4-36).
b.
If relay tests good, replace ECU (paragraph 4-31).
c. Perform operational check.
ENGINE IS NOISY ON SHUTDOWN.
41.
Probable faults are fuel control unit, binding generator or engine, gear case,
or hydraulic pump. Notify maintenance supervisor.
DC POWER ON INDICATOR OFF (ENGINE UP TO SPEED AND DC POWER SWITCH ON).
42.
Check DC VOLTS meter.
Step 1.
a.
If DC VOLTS meter reads 0, go to step 3.
