عيوب السلامة في ford b750 1972

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FORD CAMPAIGN NO H-7E.BUS CHASSIS.POSSIBILITY THAT THE DOUBLE VACUUM TANKSFOR BRAKE BOOSTER ASSEMBLIES MAY HAVE A VACUUM CHECK VALVE REVERSEDDURINGINSTALLATION.IF THIS CONDITION EXISTS AND IS LEFT UNCORRECTED IT COULD RESULTIN REDUCED BRAKING EFFECTIVENESS.(CORRECT BY INSPECTING AND REPLACE TANKSWHERE NECESSARY.)

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FORD CAMPAIGN NO H-8B.BUS CHASSIS.POSSIBILITY THAT THE SERVICE AND PARKINGBRAKE SYSTEM NYLON AIR BRAKE TUBES MAY HAVE BEEN IMPROPERLY ROUTED DURINGPRODUCTION.IF THIS CONDITION EXISTS, THE LINES ARE TOO CLOSE TO THE EXHAUSTINLET PIPE, IMMEDIATELY FORWARD OF THE NUMBER THREE CROSSMEMBER, AND COULDCAUSE THEM TO MELT UNDER NORMAL EXHAUST OPERATING TEMPERATURES.SHOULD THISOCCUR TO SERVICE BRAKE TUBES THE RESULT WOULD BE LOSS OF AIR PRESSURE ANDPARTIAL OR TOTAL LOSS OF SERVICE BRAKE PERFORMANCE.SIMILIARLY MELTING OF THEPARKING BRAKE TUBES WOULD RESULT IN A LOSS OF AIR PRESSURE CAUSING THE REARBRAKES TO BE APPLIED AUTOMATICALLY AND UNEXPECTEDLY.(CORRECT BY INSPECTINGAND RE-ROUTE TUBES AND REPLACE IF NECESSARY.)

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FORD CAMPAIGN NO H6E.BUS CHASSIS.POSSIBILITY THAT PARKING BRAKE SYSTEMPLASTIC AIR BRAKE TUBE MAY HAVE BEEN IMPROPERLY ROUTED IN AREA OF EXHAUST TAILPIPE AT REAR CROSSMEMBER OF FRAME.IF CONDITION EXISTS, COULD CAUSE TUBE TOMELT, RESULTING IN AUTOMATIC AND UNEXPECTED LOSS OF AIR PRESSURE AND REAR BRAKEAPPLICATION.(CORRECT BY INSPECTING AND REROUTING BRAKE TUBE).