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Figure 15
Figure 16
19 July 2023/v1.7
7. Push the bow and place the centering roller against the
counterbore wall at the point where the centering
distance is the largest. Release the bow and move the
tumbler switch to the center position. Figure 15
8. To center the unit, hold the gear bushing with 2 fingers
and turn the crank handle clockwise.
The unit will now move off center with every revolution.
This off-center movement will decrease and finally
stop as the centering roller moves back and forth
against the center of the unit. Figure 16
Attention: Release the gear bushing when the
centering roller makes light contact with the entire
circumference of the counterbore wall.
If the centering roller loses contact with the
counterbore wall, the tool can be moved to the
opposite side by again holding the gear bushing and
turning the handle counter-clockwise until the unit is
again moving off center.
If in the meantime a residual magnetism has been lost,
it must be re-established (tumbler switch to position
"1", then back to the mid-position). The centering
procedure can now be repeated.
BB-86 | Serial-No. 865 / 0609 ©
23
(All rights reserved)
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