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 3RAKES OK iARD STEERING 3ERPENTlNE BELT, FLUID OK ‘UMP. PULLEY, BRACKET LOOK OK POSSIBLE PROBLEMS LEAKS HYDRAULIC SYSTEM POWER STEERING COOLER I KNOWN INFO HARD STEERING SERPENRINE BELT, PUMP, PULLEY. POWER STEERING HYDRAULICS HYDRO-BOOSTER STEERING GEAR FAN DRIVE POWER STEERING COOLER KNOWN INFO HARD OR ABNORMAL STEERING POSSIBLE PROBLEMS POWER STEERING PUMP POWER STEERING GEAR FAN DRIVE HYDRO-BOOSTER POWER STEERING COOLER ARE THE COMPONENTS LISTED AT THE RIGHT CLEAN, TIGHT, AND FREE OF EVIDENCE OF LEAKING FLUID? L DIAGNOSTIC FLOWCHART OPTfONS VISUAL REASONFORQUESTfON Leaking fluid from the hydraulic hoses could indicate a bad hose or a bad component. THE NEXTTHREE QUESTIONS DON7 HAVE A NO PATH. REMEMBER THE ANSWERS UNTIL THE END OF THE TEST CHAIN. OPTlONS 1. THIS TEST CHAIN. 2. POWER STEERING ANALYZER (SEE NOTE AT RIGHT REGARD- ING USE). REASON FOR TESTS You can? determine what is wrong in the hydraulics until you test everything. + YES B6 1 I DOES THE COOLING FAN DISENGAGE PROPERLY? OPTIONS SEE NOTE AT RIGHT. REASON FOR QUESllON If the power steering pump can 1 develop enough pressure to disengage the fan, the pump and gear are probably OK