TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l STEERING SYSTEM KNOWN INFO WHEELS AND TIRES OK BRAKES OK ALIGNMENT OK POSSIBLE PROBLEMS STEERING COMPONENTS SUSPENSION COMPONENTS I KNOWN INFO I WHEELS AND TIRES OK BRAKES OK STEERING LINKAGES OK DIAGNOSTIC FLOWCHART CHECK THE TIE ROD ENDS, CENTER LINK PITMAN ARM AND IDLER ARM, AND ALL OF THE MOUNTING HARDWARE FOR THESE PARTS. ARE THEY ALL OK? TEST OPTlONS VISUAL INSPECTION - LOOK FOR BENT PARTS, LOOSE MOUNTINGS AND BAD BUSHINGS. REASON FOR QUESTION These are the parts that turn the front wheels in response to the steering wheel movements. CHECK POWER STEERING DRIVEBELT PULLEY FOR GROOVES AND SCORING, AND MAKE SURE BELT TENSIONER POSITION INDICATES SERPENTINE BELT IS OK. ARE THESE OK? POSSIBLE PROBLEMS SERPENTINE BELT & PULLEY CAPSCREWS SUSPENSION COMPONENTS DAMAGED/WORN BELT OR PULLEY. OPTIONS I REASON FOR QUESTlON A damaged pulley will ruin the serpentine belt. A damaged serpentine belt will slip, causing the power steering to loose power or fail. 4 KNOWN INFO WHEELS AND TIRES OK BRAKES OK SERPENTlNE BELT OK STEERING LINKAGES OK POSSIBLE PROBLEMS BALL JOINTS OTHER SUSPENSION COMPONENTS OTHER STEERING COMPONENTS VISUAL INSPECTION OF PULLEY AND BELT TENSIONER. 1 TEST OPTIONS SEE PROCEDURE AT RIGHT. ARE THE BALL JOINTS OK (NOT WORN)? REPLACE BALL