TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/l
Table 3-3. Operator/Crew Troubleshooting (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE MOTORS ABOVE l0%, BUT NO LIGHT OFF.
3.
a. Check position of four-way valve control handle.
Ensure set to INTL or EXT as required.
Attempt restart. If not successful, notify maintenance
b.
supervisor.
ENGINE HANGS DURING START - LOWER THAN NORMAL EGT.
4.
Check for amber LOW FUEL or red LOW FUEL PRESS indicator.
If LOW FUEL PRESS indicator is red (longer than 10 seconds)
a.
indicates low fuel supply, or dirty filter/lines. Check fuel
supply.
Add fuel if required, and attempt restart. If not successful,
b.
notify maintenance supervisor.
ENGINE ACCELERATES TO 95%, THEN SHUTS DOWN IN 10 SECONDS.
5.
Check for red LOW OIL PRESS indicator.
Step 1.
Check engine/gearcase oil level.
Step 2.
Add oil if required (refer to L.O.), and attempt restart, If not
successful, notify maintenance supervisor.
ENGINE AT 100% WITH PNEUMATIC LOAD, LOW PNEUMATIC FLOW, HIGH EGT.
6.
Check pneumatic hoses for secure installation, cuts, or tears.
If hose is loose or damaged, notify maintenance supervisor.
LOW OIL PRESS LIGHT BLINKING DURING NORMAL OPERATION.
7.
Check engine/gearcase oil level.
Add oil if required (refer to L.O.). If symptom continues,
shutdown engine, notify maintenance supervisor.
AUTOMATIC ENGINE SHUTDOWN DURING NORMAL OPERATION.
8.
Check and record all illuminated indicators on control panel before setting
MASTER SWITCH to OFF.
Notify maintenance supervisor.
Change 2
