TM 55-1730-229-1
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/1
Organizational Troubleshooting (continued)
Table 4-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PSIG PNEUMATIC METER READS LOW (PNEUMATIC POWER SWITCH ON, ENGINE UP TO SPEED,
63.
AND EGT MORE THAN 1200F).
Shut down unit. Inspect pneumatic system for any damage or loose connections
that could cause leakage.
a. Correct any condition that could cause leakage.
b. If no leakage is found, engine hot section fault is
indicated. Notify maintenance supervisor.
PSIG PNEUMATIC METER READS HIGH.
64.
Test pressure transducer (malfunction 100).
a.
If pressure transducer tests good, replace zener diode
b.
ENGINE SPEED DROOPS WHEN PNEUMATIC POWER IS TURNED ON.
65.
Check GTE LOW FUEL PRESS indicator.
Step 1.
a.
If indicator is illuminated (with engine running), go to step
2 of malfunction 22.
If indicator is extinguished (with engine running), continue
b.
with next step below.
Step 2.
a.
perform operational check.
b.
indicated. Notify maintenance supervisor.