Hyundai HL955 Manual page 377

Item
Service brake pump flow Service brake pump flow
check check
※ Hydraulic oil must be at
operating temperature
for the check.
Engine OFF.
Service brake capacity Service brake capacity
check check
Engine running.
Description
Stop engine.
Operate brake pedal approximately
20 times.
Start engine and run at low idle.
R e c o r d n u m b e r o f s e c o n d s
required for low brake pressure
indicator lamp to go out.
LOOK LOOK : Indicator lamp must go out
in less than
engine starts.
NOTE : Indicator will not come on NOTE
approximately 1 second after
starting engine.
Select clutch cut-off mode to OFF.
OFF
Apply service brakes, release park
brake and put transmission in 2nd
forward.
Increase engine speed to high idle.
Release
LOOK : Machine may not move or LOOK
ON
move at a very slow speed.
Repeat check three times to ensure
accurate results.
4-34
OK OK
Check completed.
NOT OK NOT OK
Check for brake circuit
leakage.
Go to next page.
IF OK IF OK
I n s t a l l a c a p o n l i n e
seconds from time connected to inlet of brake
valve and repeat pump
flow check.
If time does not decrease,
check for wor n brake
pump.
OK OK
Check completed.
NOT OK NOT OK
Check brake pressure.
IF OK IF OK
Inspect brake disk.
Service action