TM 9-4940-568-342-51Table 2-7. Crane Troubleshooting (CONT).MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONTest 3.Remove two screws, lockwashers, and swing drive orbit motor from swing drive gearreducer. Start FRS. Operate swing drive orbit motor using SWING control lever.If swing motor operates, go to Test 4.If swing motor does not operate, replace swing drive orbit motor. Refer toparagraph 3-12 or 6-4.SWINGCONTROLLEVERSWING DRIVEORBIT MOTOR
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