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32 | TCE 4225 | Operating instructions
5.1.2
Demounting
Warning – hand injury danger!
During locking plate rotation there is a risk of
crush injuries.
€
Do not insert the fingers between the tire
and the rim.
1. Turn counterclockwise the locking knob to unlock
the sliding rod.
2. For external locking of the rim press the locking
jaws opening pedal to prepare the jaws in the open
position;
i
In case of internal locking the jaws must be prepared
in the closing position.
3. Place the wheel on the locking plate
4. Exerting with the hand a pressure on the rim, press
the locking jaws closing pedal in order to lock it.
5. Lubricate with mounting paste the side of the tire till
the edge of the rim.
6. Bring the mounting tool close to the rim until the
roller touches the edge of the rim.
i
Lift the locking lever of the vertical rod to carry
out vertical spacing of the mounting tool and arm
blocking
i
Use the locking knob of the horizontal arm to adjust
mounting tool spacing from the tab (the recommen-
ded spacing is 3 mm).
7. Insert the bead breaking lever between the mounting
tool and the bead of the rim. To make this operation
easier bring the bead in the part opposite to the
mounting tool inside the semi drop centre of the rim.
i
In case RFT or UPH tires the use of accessories like
clamps, wedge or of the TCE 200 bead breaker is
suggested.
8. With the provided bead breaking lever lift the edge
of the tire and lean it on the mounting tool tab (1).
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1 695 105 431
2010-02-16
9. Press the rotation pedal to rotate clockwise the lo-
cking plate, until complete ejection of the bead from
the rim.
i
In case of tires with tube, use the locking knob to
unlock the horizontal arm and move it to free the
working area and extract the tube.
10. Repeat the same operations to make the second
bead come out.
5.2
Tire mounting
Danger of car accidents caused by damaged
rims or tires!
In case of tire or rim damage during moun-
ting dangerous or even lethal situations may
occur during driving.
€
The operator has to be specifically trained.
€
Do not exert excessive forces on the tire or
the rim, adjust the slow rotation speed.
€
Use a sufficient quantity of mounting
paste.
€
In case of anomalies, e.g. suspicious noi-
ses, stop mounting immediately.
€
For mounting of critical rim/tire combina-
tions, read the Wdk publications available
in German and English!(www.wdk.de:
mounting/demounting instructions – crite-
ria catalogue).
1
Robert Bosch GmbH
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