TM 9--2350--292--20--10148 00--1EXCESSIVE INTERFERENCE WITH MAIN ENGINE RUNNING AND VEHICLESTATIONARY.0148 00THIS WORK PACKAGE COVERS:Excessive Interference With Main Engine Running And Vehicle Stationary.INITIAL SETUP:Tools and Special ToolsGeneral mechanic’s tool kit (item 1, WP 0717 00)Equipment ConditionsVehicle MASTER switch OFF (TM 9--2350--292--10)Engine deck removed (WP 0417 00)Personnel RequiredTwoIs interference heard?1. Remove harness 3W143 ground cables fromhull.2. Thoroughly clean mounting screw, wireterminals and mounting surface. Reinstallcables.3. Start engine and turn radio ON(TM 9--2350--292--10). Listen for interference.4. Shut down engine and turn radio OFF(TM 9--2350--292--10).noyesnoyesABCONTINUED ON NEXT PAGE1. Open left side rear deck door(TM 9--2350--292--10).2. Remove ground wire from voltage regulatorand hull ground lug.3. Thoroughly clean ground wire, voltageregulator ground terminal and hull ground lug.4. Install ground wire to voltage regulator and hullground lug.5. Start engine and turn radio ON(TM 9--2350--292--10). Listen for interference.6. Shut engine down and turn radio OFF(TM 9--2350--292--10).Is interference heard?WARNINGRemove rings, bracelets, wristwatches,and neck chains before working on anyvehicle. Jewelry can catch on equip-ment and cause injury, or may shortacross an electrical circuit and causesevere burns or electrical shock.Fault corrected.Replace voltage regulator (WP 0239 00).Verify fault is corrected.
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