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TM5-4930-237-10
Table 3-1. Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
OVERWING NOZZLE
1. FLOW HANDLE FAILS TO OPERATE SMOOTHLY.
Inspect flow handle area for signs of dirt or other foreign matter.
Clean area around flow handle.
2. LEAKAGE FROM OUTLET END.
Step 1. Check flow handle and pivot area for sticking or binding (this can hold valve open).
Clean flow handle and pivot area. If still leaking, replace overwing nozzle.
Step 2. Operate flow handle to see if valve is operating smoothly.
If valve is sticking or binding replace overwing nozzle.
3. INADEQUATE FUEL FLOW.
Before performing the
NOTE
following steps be sure CCR Nozzle is operating properly and
strainer ‘is clean. Refer to TM5-4930-235-13&P for details.
Step 1. Operate flow handle to see if valve is operating smoothly.
If valve is sticking or binding replace overwing nozzle.
Step 2. Disconnect overwing nozzle from CCR nozzle. Press on inlet valve to be sure it operates
without sticking or binding.
If inlet valve is sticking or binding replace overwing nozzle.
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