TM 5-3810-306-20SYMPTOM INDEXMalfunctionTroubleshootingProceduresPageCOOLING SYSTEMCoolant temperature above normal .............................................................................................................................3-19Coolant loss .................................................................................................................................................................3-20Coolant temperature below normal..............................................................................................................................3-21Contaminated coolant..................................................................................................................................................3-21ELECTRICAL SYSTEMAlternator not charging or insufficient charging ...........................................................................................................3-22TRANSMISSION/TORQUE CONVERTERCrane will not move or moves erratically-transmission failure...................................................................................................................................................3-23Brakes are poor or do not apply...................................................................................................................................3-24Uneven braking or lining wear .....................................................................................................................................3-25STEERING SYSTEMHard to steer left or right ..............................................................................................................................................3-25Hard to steer either left or right ....................................................................................................................................3-26Rear steering inoperative.............................................................................................................................................3-26Noisy emergency steer pump ......................................................................................................................................3-27Emergency steer pump does not operate....................................................................................................................3-27HYDRAULIC SYSTEMFoaming hydraulic oil...................................................................................................................................................3-27Slow or erratic operation of outrigger extension ..........................................................................................................3-28cylindersOutrigger vertical jack cylinder slow or erratic .............................................................................................................3-30Outrigger jack cylinder retracts under load ..................................................................................................................3-31Jack cylinder extends without being activated.............................................................................................................3-31Outriggers will not operate...........................................................................................................................................3-31Outriggers operate, but selected outrigger will notretract or extend .......................................................................................................................................................3-32Two outriggers activate from single control switch ......................................................................................................3-33Boom raises erratically.................................................................................................................................................3-33Boom lowers erratically................................................................................................................................................3-34Boom raises slowly ......................................................................................................................................................3-34Boom lowers slowly......................................................................................................................................................3-35Boom will not raise.......................................................................................................................................................3-36Boom will not lower ......................................................................................................................................................3-373-2
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
