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TM5-4930-237-10
Table 3-1. Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
RECIRCULATION NOZZLE
1. FLOW HANDLE FAILS TO OPERATE SMOOTHLY.
Step 1. Inspect FLOW handle area for signs of dirt or other foreign matter.
Clean area around FLOW handle.
Step 2. Connect nozzle to aircraft receptacle. Operate FLOW handle several times to check for
sticking or binding.
If FLOW handle is sticking or binding, replace recirculation nozzle.
2. LEAKAGE FROM OUTLET END.
Step 1. Remove dust cap and inspect inside for dust seal. Inspect dust seal for cuts, tears, or
distortion.
If dust seal is missing or damaged, replace recirculation nozzle.
Step 2. Inspect boot for cuts, tears, or distortion.
If boot is missing or damaged, replace recirculation nozzle.
3. INADEQUATE FUEL FLOW.
NOTE
Before performing the following step be sure CCR Nozzle is operating properly and
strainer is clean. Refer to TM5-4930-235-13&P for details.
Operate FLOW handle to see if valve is operating smoothly (use ground plug to release flow handle).
If valve is sticking or binding, replace recirculation nozzle.
4. RECIRCULATION NOZZLE WILL NOT DISPENSE FUEL.
Step 1. Put FLOW handle in flow position. Inspect for strainer housing. Remove strainer housing
and inspect for damage or distortion.
If strainer housing is missing or damaged, replace recirculation nozzle.
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