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14
Adjusting the parallelism.
Loosen star-knob bolt (12) and adjust the brake wheel
(17) with handle (13) in such a manner that it runs parallel
to the contact disc when viewed from above. This helps
to achieve a uniform feed pressure and a uniform grinding
pattern. The optimal setting must be determined by prac-
tical testing.
Adjusting the incline.
Release the clamping lever (18) and adjust the brake
wheel (17) with the star-knob bolt (19) in such a manner
that is lightly inclined to the left with reference to the
workpiece.
The more the brake wheel is inclined, the higher
the feed speed. The optimal setting must be deter-
mined by practical testing.
Setting the clearance between brake wheel, work-
piece and contact roller.
Loosen star-knob bolt (20).
Tilt the drive unit back with lever (16).
Place in the workpiece to be ground.
Tilt the drive unit toward the front again so that the brake
wheel faces against the workpiece.
Adjust the gap clearance (23) to 1 mm.
Tighten star-knob bolt (20) again.
Adjusting the feed pressure.
Adjust the feed pressure of the brake wheel against the
workpiece with crank (22):
– Turning in clockwise direction: High feed pressure.
– Turning in anticlockwise direction: Low feed pressure.
Excessive feed pressure can lead to increased wear of
the brake wheel and the grinding belt!
Operating instructions.
Switching on and off.
Do not switch the machine on until all required set-
tings have been made. Make sure that no work-
piece is inserted in the machine.
Plug the plug of the cylindrical grinding device into the
socket outlet on the belt grinder.
Switching the belt grinder/cylindrical grinding
device on/off.
GX75*
Switching on:
Disengage and fold up the safety pushbutton (15*). Press
pushbutton "I" (17*).
The cylindrical grinding device is switched on auto-
matically.
Check the rotation direction of the brake wheel.
The rotation direction of the motor may only be
reversed by a qualified electrician.
Switching off:
Fold up safety pushbutton (15*). Press pushbutton "0"
(17*).
The cylindrical grinding device is switched off automati-
cally.
After switching off, the machine runs on for
approx. 50 seconds.
(* see operating instructions of the machine)
Safety pushbutton.
In situations of danger, press the safety pushbutton to
switch the machine off.
Switching the coolant pump on/off.
Set the switch to position "1". The coolant pump must
always be switched on for high removal rates.
Wear safety glasses/goggles.
Before starting work, make sure that all settings
described above have been correctly made and
checked.
Grinding pipes (figures 5+6).
Tilt the brake wheel back with lever (16).
Insert the workpiece at least 30 mm deep into the pipe
guide.
Open the coolant valve (28). Regulate the coolant rate
with shut-off valve (28).
Tilt the brake wheel forward again with lever (16) so that
the workpiece rotates and runs through the machine.
Pull lever (16) back again when the workpiece is still
approx. 30 mm in the pipe guide.
Take the workpiece out of the machine.
If the feed speed is too high or too low, the incli-
nation of the brake wheel must be changed.
Noise emission values.
A-weighted emission
pressure power level
measured at the work-
place L
(re 20 μPa), in
pA
decibels
Measuring uncertainty
K
, in decibels
pA
Measured A-weighted
sound power level L
wA
(re 1 pW), in decibels
Measuring uncertainty
K
, in decibels
wA
Operating conditions
Speed (rpm)
Material
Dimension
Grinding belt
REMARK: The sum of the measured emission value and
respective measuring inaccuracy represents the upper
limit of the values that can occur during measuring.
Wear hearing protection!
Measured values determined in accordance with the cor-
responding product standard (see last page in this Instruc-
tion Manual).
Idle
Sanding
83.5
94
4
4
93.5
100.5
2.5
2.5
3000
3000
– Stainless steel
Pipe, diametrer
–
42.4 mm
GRIT by Fein
–
120R
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