Troubleshooting | Start Line TCE 420 | 47
en
1 695 108 074
2016-07-27
|
Robert Bosch GmbH
10. Troubleshooting
Faults affecting operation of the machine may occur in the course of normal working TCE 420. The following table
lists possible faults not requiring expert attention.
i
To take action as quickly as possible it is important to quote the details on the rating plate (label on back of
TCE 420) and the nature of the problem when calling.
!
Work on the electrical, hydraulic and pneumatic system must be performed only by appropriately qualified
personnel.
i
Consult customer service if the problem persists.
Problem
Cause
Solution
Turntable cannot rotate
Short circuit
R
Check cable of motor,
R
Change the motor,
R
Check the plug,
R
Check the reversing switch/change reversing switch,
R
Check the moving parts of the reversing switch,
R
Adjust the belt/ change the belt.
The pedal can not back to its original
position
The spring is damaged
Change the spring
Bead blade can not separate the tire
edge
The cylinder sealing kits is worn
R
Change the sealing kits;
R
Change the new cylinder.
Air leakage at the center of the
cylinder
The cylinder sealing kits is worn
R
Change the sealing kits;
R
Change the cylinder.
Worm case can not work or the noise
is too much
The worm case assembly is
damaged
Change the worm case.
The turntable can not fix the rim
The turntable cylinder is
damaged
R
Change the turntable cylinder;
R
Change the turntable cylinder sealing kit.
The torque is not enough when
demount/ mount the tire
The tensile force of the belt is
not enough and the bead can
not be led into the groove of
the rim.
R
Adjust the belt;
R
Change the motor capacitor;
R
Change the motor,
R
Use the tire pressing help to lead the tire into the
groove of the rim while keep full lubrication on the
bead.
When lock the mounting head, the
distance between the mounting head
and the rim should not be too far or
too near
Lock plate releases for the bad
adjustment
R
Adjust the lock plate bolt at the back end of the
hexangular shaft;
R
Adjust the lock plate bolt at the back end of the
horizontal arm.
The vertical movement of the hexagon
shaft is not smooth
The lock plate does not work
R
Change the lock plate,
R
The screw in the lock plate is loose,
R
Adjust the lock plate for the hexagonal shaft.
The mounting head can not lock for
the mounting head move too much in
the process of demount/mount tire
and the rim is easy to be damaged
Lock cylinder is damaged, there
is wear at the sliding position
of horizontal/ vertical arm and
without air to flow in
R
Change the lock cylinder sealing part;
R
Change the lock cylinder;
R
Adjust the bolt at the lower part of the horizontal arm,
making the clearance between the horizontal arm
bushing and hexangular shaft narrower;
R
Adjust the bolt at the front end of the vertical arm,
making the clearance between the horizontal arm
bushing and quartet shaft narrower;
R
Adjust the lock plate.
The vertical arm can not swing out or
too slow
Vertical arm control air route
with problem
R
Change vertical arm cylinder sealing kits;
R
Change vertical arm cylinder;
R
Check whether there is a kink in the air hose;
R
Check whether there is air leakage at the vertical arm
tilt back control pedal valve;
R
Change the pedal valve;
R
Adjust the air flow at the nozzle on the adjusting valve.
Mounting head cylinder air leakage/
hook has no force
The cylinder piston is damaged/
sealing kits is broken
R
Change the cylinder piston;
R
Change the sealing kits of the cylinder;
R
Change the cylinder.
