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
INLET FILTER BLOCKED INDICATOR ILLUMINATES.
9.
Check for obstruction or blockage on air intake louvered panel, and/or air
cleaner.
Remove obstruction or blockage.
ELECTRICAL
AC OR DC OVER CURRENT, AC UNDER VOLTAGE, OR DC VOLTAGE FAULT INDICATOR
10.
ILLUMINATES.
Check for proper setting on CURRENT LIMIT SELECTOR switch.
Set switch to proper range, if this does not correct problem,
notify maintenance supervisor.
PNEUMATIC
PNEUMATIC PRESSURE LOW.
11.
Step 1.
Check pneumatic hose for cuts, tears, or obstructions, and check hose
end coupler for proper operation of shutter.
Step 2.
Check aircraft pneumatic system obstruction.
Notify maintenance supervisor.
HYDRAULIC
NOTE
Steps 12 through 21 not applicable if hydraulic spacer
is installed.
500 PSIG HYDRAULIC PRESSURE NOT DEVELOPED AFTER ENGINE START.
12.
Step 1.
Shut down engine.
Step 2.
Check that hydraulic reservoir is 3/4 full of fluid.
Step 3.
RESERVOIR selector not set to AGPU.
Reposition selector valve.
3-16
