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.
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0 STEERING,
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