.
4
4
Faults characters
Reason analysis
trouble shooting methods
Travel Off Tracking
T
rack
is
different
tension
of
the
crawler
on
left
and
right
Adjust
accordingly
Oil
pump
performance
decreasing
Check or replace
Oil
motor
performance
decreasing
Check or replace
Central swing joints sealing
damaged
Replace
Oil
pump,
oil
motor,
cylinder
or
other
valves
too
hot
Hydraulic pressure too high
Adjust the pressure valve pressure to
suitable
U
nloading
valve
pressure
too
high
Adjust to suitable pressure
Oil
dirty
or
lack
ing
oil
supplying
Clean or change the filter, check the oil
viscosity. Fill the section of the accumulator
to suitable site.
Oil cooling system accidents
Check and replace the parts
Oil efficiency is too low
Check and replace the parts
Oil pump suction
Replace the oil filter, clean the air-logged
inlet lines and the blow vent of the
accumulator, adjust the pump speed.
There is air mixed in the oil
Screw down the easy leaking joints; fill the
oil section of the accumulator suitable fully.
Drain the air from the system and change
the sealing elements of the pump oil.
Oil pump overworking
Adjust the working load; make the pump
accordance with the system.
Parts wearing or damaged
Check and update
Distribution Device
Leaking
Overwork frequently
Operate it comply with the explanations
Hydraulic oil temperature too
high
Reduce the temperature
Excessive
hydraulic
oil
impurity
Drain and warm oil, and filter
If
distributor
mechanism
rod
is unleveled
,
it
may
cause
limited
lid
distortion
Adjust and repair
Faults characters
Reason analysis
trouble shooting methods
Hydraulic cylinder
leaking
Hydraulic
cylinder
stop
s
regularly,
it
may
cause
the
sealing
element
to
wear
quicker
.
Control the travel route
Hydraulic oil moisture content is
too large
Change hydraulic oil
Sealing element normal wearing Change the sealing element