TM 9-2320-289-343-36.FUEL INJECTOR NOZZLE TESTING.This task covers:a. Preparationc. Leakage Testb, Pressure Testd. Chatter TestINITIAL SETUP:Equipment ConditionMaterials/Partsl Fuel injector nozzle removed.• Calibration fluid (Item 13, Appendix B)(See paragraph 3-5)Tools/Test EquipmentGeneral Safety instructionsl Fuel injector nozzle testerl DO NOT place hand or arms near tipof fuel injector nozzles during testing.l Wear goggles while testing fuel injectornozzles.l Compressed air used for dryingpurposes should never exceed 30 psi(207 kPa),a. PREPARATIONIWARNINGl DO NOT place hand or arms near nozzle tip (4) of fuel injector nozzle(3) during testing, Nozzle tip must be enclosed in a receptacle,preferably transparent, to contain fuel spray. High-pressure atomizedfuel spray from nozzle tip can puncture skin and destroy tissue. Failureto follow this warning may also result in blood poisoning.l Wear goggles while testing fuel injector nozzles (3). Failure to followthis warning may result in serious eye injury.NOTEEnsure that each of the following tests is performed in order listed until amalfunction is found, A malfunction will only be what is identified inappropriate subparagraph as a malfunction. DO NOT attempt to identifymalfunctions that are not covered by test that you are performing, even ifthere is a symptom that seems to indicate a malfunction.1,Connect high-pressure inlet (2) to fuel injector nozzle tester, Connect clear plastic tubes tofuel return ports (1) to prevent fuel leakoff from being confused with an actual leak. Closepressure gage shutoff valve.2.Fill and purge fuel injector nozzle (3) with calibration fluid.3-116
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
