TM 5-3740-218-13&PCHAPTER 3OPERATOR MAINTENANCE INSTRUCTIONSParaPageLubrication .....................................................................................................3-13-1Troubleshooting Procedures ..........................................................................3-23-1Section I. LUBRICATION3-1.LUBRICATIONThere are no components on the Pesticide Dispersal Unit, Multicapability, Helicopter Slung (PDU) that require lubrication.Check engine oil and hydraulic fluid in accordance with Table 2-4, Operator Level PMCS. Refer to Appendix E forappropriate fluids.Section II. TROUBLESHOOTING3-2.TROUBLESHOOTING PROCEDURESThe troubleshooting procedures listed in table 3-1 are those that may be done by operator level personnel. Problemsthat may arise during operation or maintenance of the PDU or its components are listed under Malfunction. Tests orInspections to conduct and Corrective Actions to take to repair the malfunction follow. Perform the tests/inspections andcorrective actions in the order listed.This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If amalfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.SYMPTOM INDEXSymptomPage1.ENGINE FAILS TO START/IS HARD TO START ....................................................................3-22.ENGINE STARTS, BUT FAILS TO KEEP RUNNING...............................................................3-23.ENGINE EXHAUST SMOKEY .................................................................................................3-34.ENGINE SURGES OR OVERSPEEDS....................................................................................3-35.ENGINE MISSES OR RUNS ERRATICALLY...........................................................................3-36.ENGINE VIBRATES ................................................................................................................3-37.SPRAY SYSTEM CONTROL VALVE DOES NOT OPENWHEN DISPENSER BUTTON IS PRESSED...........................................................................3-38.LOW VOLUME BOOM SYSTEM DOES NOT SPRAY .............................................................3-43-1
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