COATS CDH-9043 Electric-Hydraulic Tire Changer - Manual (Page 18)

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Take the mobile control unit to work position D.
10) Move the tool carrier arm to the inside face of the tire, turn the hook tool 180° and lower the arm to its work position. Insert it between
rim and bead and move it until the bead is by the from edge of the rim (best to do this with the wheel turning).
11) Move the rim about 1,5 - 2 inches (4-5 cm) from the tool making sure the hook does not detach from the rim.
Take the mobile control unit to work position B.
12) Move the hook tool so that its red reference dot is about 1,2 inches (3 cm) inside the rim.
13) Insert lever between rim and bead at the right of the tool (See Fig. Q).
14) Press down on the lever and lower the tire to bring the edge of the rim about 2 inches (5 cm) from the hooked tool.
Turn the tire counter clockwise pressing down on lever until the tire comes completely off the rim.
DANGER!
When the beads come off the rim, the wheel will fall. Check to make sure there are no by-standers in the
work area.
MOUNTING
1) If the rim has been removed from the spindle, put it back on the spindle as described in the section on “RIM CLAMPING”.
2) Lubricate both beads and the rim with tire manufacturer recommended lubricant.
3) Attach the g-clamp to the outside edge of the rim at the highest point (See Fig. R).
CAUTION!
Make sure the g-clamp is firmly attached to the rim.
4) Put the tire on the platform and lower the spindle (make sure the g-clamp is
at the high point) to hook the first bead on the g-clamp.
Take the mobile control unit to work position B.
Q
R
5) Lift the rim with the tire hooked to it and turn it counterclockwise about 6-8 inches (15-20 cm.) The tire will be positioned inclined across
the rim.
6) Move the tool carrier arm to its non-working position. Move it to the inside face of the tire and rehook it in this position.
7) Check to make sure the hook tool is positioned facing the tire bead. If not, press the lever (15, Fig D) and turn it 180°.
8) Move the tool forward until the red reference dot is lined up with the outside edge of the rim and about 2 inches (5 mm) from it (See
Fig. S).
Take the mobile control unit to work position D.
Take the mobile control unit to work position C.