Hyundai HX140L, Manual

Page: 448 / 819

6-16
YES
YES
YES
YES
NO
NO
NO
NO
Is travel relief
valve pressure
within standard
level?
Is travel brake
pressure within
standard level?
Is travel motor's
drain rate within
standard level?
TRAVEL ACTION IS POWERLESS (travel only) 5)
MACHINE RUNS RECKLESSLY ON A SLOPE 6)
Disassemble
and repair or
replace.
刔
Travel motor is
faulty.
Travel brake valve
is defective.
Travel relief valve
is faulty.
Hydraulic circuit
that releases
travel parking
brake is clogged
with dirt.
Parking brake
piston in travel
motor is stuck.
Travel reduction
unit is defective.
Disassemble
and repair.
Disassemble
and repair or
replace.
Disassemble
and repair or
replace.
Disassemble
and clean.
Disassemble
and repair.
Disassemble
and repair.
刔
Remove parking
brake spring in
travel motor,
draw out piston
completely, refit
cover and check
if travel power
changes.
Increases
Does parking
brake piston
move lightly by
hand?
Travel brake valve
(counterbalance
valve) is faulty.
Remains
unchanged
Cause Remedy
Cause Remedy