LAUNCH
Tyre Changer(TWC Series)
13
Trouble Shooting
Symptom
Cause
Solution
Turntable can turn only in
one direction.
u
Power switch is damaged.
u
Replace the power switch.
Turntable doesn
’
t turn.
u
Belt is damaged.
u
Power switch is damaged.
u
There is problem with
motor.
u
Belt is loose.
u
Replace the belt.
u
Replace the power switch.
u
Check power wire of motor. If the motor
is damaged, replace it.
u
Tension the belt.
Turntable can not lock the
rim tightly.
u
Jaws are worn.
u
Air leakage in clamping
cylinder.
u
Replace the jaws.
u
Replace the cylinder seal.
Horizontal
arm
and
hexagonal column can
’
t be
locked.
u
The locking square board
in wrong position.
u
The locking hexagonal
board in wrong position.
u
Adjust them to right position according to
this manual.
Horizontal arm doesn
’
t move
after pushing or pulling.
Vertical shaft can not move
upwards or downwards.
u
Square locking board is
not in correct position.
Hexagonal locking board
is not in correct position.
u
Refer to the chapter
“
Maintenance
”
.
Tilting post tilting is too fast
or too slow.
u
The pushing cylinder
expels too much or too
little air.
u
Pressure of compressed
air has not reached 8bar.
u
Open the side cover of the cabinet,
slightly adjust two air inflation regulators
by hand to smooth the movement, and
then tighten the cap.
The locking valve is clogged
after the lever is pressed.
u
O-ring of the valve is
damaged.
u
There is problem with
airflow regulating valve.
u
Replace the valve or O-ring.
u
Adjust or replace the pressure regulating
valve.
u
Replace the airflow regulating valve.
Pedal can not be restored to
its original position.
u
Return spring is damaged.
u
Replace the return spring.
There is abnormal noise at
the moving part.
u
The fixing screw is loose.
u
There is foreign matter
inside.
u
Tighten the fixing screw.
u
Get rid of the foreign matter.
The motor does not turn or
the output torque is not
enough.
u
The moving part is stuck.
u
The capacitor is failed.
u
The voltage is too low.
u
The circuit is open.
u
Get rid of the stuck point.
u
Replace the capacitor.
u
Pause and wait for the device to be
restored.
u
Repair.
Cylinder is weak in output.
u
There is air leakage.
u
Mechanical hindrance is
causing the problem.
u
The pressure of the
compressed air is not high
enough.
u
Strengthen the seal.
u
Fix the mechanical problem.
u
Change the air source.
Air leakage is found.
u
Air hose is damaged.
u
The outlet of the air valve
is damaged.
u
The gasket cement is
gone.
u
Replace the related part.
u
Add gasket cement.
u
Add gasket cement.
