TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 479 of 1205
TM 9-2320-387-24-l BRAKE SYSTEM KNOWN INFO PARKlNG BRAKE OK MASTER CYLINDER OK BRAKE PADS OK ROTORS OK CALIPERS OK POSSIBLE PROBLEMS PROPORTIONING VALVE HYDRO-BOOSTER MECHANICAL COMPONENTS KNOWN INFO PARKING BRAKE OK MASTER CYLINDER OK BRAKE PADS OK ROTORS OK CALIPERS OK PROPORTIONING VALVE OK POSSIBLE PROBLEMS HYDRO-BOOSTER MECHANICAL COMPONENTS KNOWN INFO PARKING BRAKE OK MOST BRAKE SYSTEM COMPONENTS OK POSSIBLE PROBLEMS- DOES THE PROPORTIONING SEE TEST EXPLANATION AT RIGHT. VALVE WORK PROPERLY? REASON FOR QUESTION This valve regulates the flow of , hydraulic fluid. If it’s broken, the brakes may behave erratically. PROPORTfONlNG TEST OPTIONS IS THE HYDRO-BOOSTER WORKING PROPERLY? I SEE INSTRUCTlONS AT RIGHT. REASON FOR QUESTION The hydra-booster is an integral I A part of the braking system. TEST OPTIONS LOOK AT THE BRAKE PEDAL. VISUAL INSPECTtON - SPECIFICALLY CHECK PEDAL DOES IT MOVE THROUGH ITS RETURN SPRING AND FULL OPERATING RANGE? BUSHING. REASON FOR QUESTfON A brake pedal that doesn’t return to its normal position I could cause the brakes to drag. 2-428 GO TO 0 STEERING, Page 2433