Fein GRIT GX 75 Serie Manuel D'instructions page 11

GX75.book Seite 11 Freitag, 18. April 2008 11:14 11
GX 75
7.3 Adjusting the face- grinding rest
(Figure 7).
The gap size must always be
WARNING
adjusted to the correct size. Thin
workpieces could be pulled into the machine
and cause severe or fatal injury.
For face grinding applications, the face- grinding
rest must be aligned parallel to the grinding belt
and must touch it over the complete surface.
Loosen screw and fold the side cover down.
Loosen screws and align the face-grinding
rest. Tighten the screw again.
Shut the side cover and tighten screw again.
7.4 Adjusting the belt tracking (Figure 8).
Switch the machine on only
briefly and check the belt track-
ing.
If the grinding belt moves left or
right, adjust the belt tracking
with the star-knob bolt until centred.
If the belt tracking cannot be adjusted centred:
Clean the drive wheel and the contact
wheel with compressed air.
Check the drive wheel and the contact
wheel for wear, deformation and damage.
Have damaged components replaced with-
out delay!
8. Changing the grinding belt (Figures 1 + 2).
Before any work on the machine itself, pull the power plug from the socket outlet.
WARNING
Loosen star-knob bolt and open the top
protective cover.
Loosen screw and fold the side cover down.
Loosen star-knob bolt and remove the dust
collector.
Push belt tension lever down
to release the clamping device.
Remove the old grinding belt.
Before attaching the new grinding belt,
observe the information concerning the run-
ning direction on the inner side of the grind-
ing belt! It must correspond with the running
direction of the drive wheel.
Check the gap size at the stop
(max. 2 mm).
Face- grinding rest
WARNING
max 2 mm
Stop
Adjustment screw
for face- grinding rest
Adjustment
knob bolt for
belt tracking
Place the grinding belt both around the drive
wheel and around the contact wheel.
Push the belt tension lever up
again to tension the grinding
belt.
Shut the side cover and tighten screw again.
Close the top protective cover and tighten
star-knob bolt.
Remount the dust collector and check the
gap size at the grinding rest.
Switch the machine on and adjust the belt
run.
us
Fig. 7
Fig. 8
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