49
Loosen the Z-Axis motor mounting
bolts, do not remove. (Seen when
looking under the spindle assembly)
Loosen the Z-Axis adjustment bolt,
this bolt will apply pressure to the
bottom of the motor mounting plate
and seat the pinion into the pinion rack.
We want to remove the existing
pressure being applied to the pinion
and rack.
Be sure not to move the pinion gear
while removing the spindle, this will
throw off the final calibrations after the new spindle is installed. It is important that the
very top pinion gear tooth gets re-installed into the corresponding rack location. This is
the reason to mark the positions of the linear way bearings and assist the rack alignment
with the pinion gear.
Содержание BC 1007 HS
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