Unclamping The Wheel - John Bean B 300 Betriebsanleitung

28
5-6
5-7
5-8
Operation
clamping means (clamping head, pressure ring, or
fl ange plate) on the chuck (Fig. 5-6).
• Press the clamping sleeve and clamping means
fi rmly against the wheel and lift the pedal (Fig. 5-7).
• Check for proper clamping prior to the measuring
run.
Notes
If the pedal is actuated once again during the clamping
process, clamping is interrupted and the clamping jaws
return to unclamped position.
With every wheel balancer "P" measurement can be
started only when the wheel is clamped and the wheel
guard closed.

5.2.1.2 Unclamping the wheel

Note:
While the jaws unclamp, hold the wheel so that it
will not tilt when unclamped.
• Lift the pedal (Fig. 5-7).
• Remove the clamping sleeve from the chuck.
• Remove the wheel.
5.3 Fitting the Power Clamp device
Figure 5-8
Note:
If the machine is retooled for the power clamping
device, reset the mode of operation C22 to status
On "Releasing the power clamping device is
disabled".
Move the clamping jaws to unclamped position.
Unscrew the taper nut and place aside.
Remove the special clamping means, if mounted, from
the cone of the main shaft.
Mount the basic body of the clamping device, screw
it onto the tie rod by turning it to the end of the thread
and then release it again by a quarter of a revolution.
Slide the basic body by hand onto the cone, inserting
the screw heads through the bayonet disc.
Turn the basic body until the screw thread is contacting
the bayonet disc.
Slide on the clamping sleeve with clamping head and
clamp.
Tighten the screws evenly with an open end wrench,
width across fl ats 13 mm.
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