Process Lens PL Service Manual_EN - 第55页
3 Replacing spare parts Se rv ic e Ma nu al P ro ce ss L en s PL - 0 3/ 20 25 55 Fig.68: Tightening the screws ► Tighten the seven screws (1) . ► Check the space between the reader and the scale bar by using the 2.1 mm…
3 Replacing spare parts
54 Service Manual Process Lens PL - 03/2025
3.4 Scale bars
3.4.1 Replacing the Y scale bars
Parts
Fig.66: Y scale bar, 2 Scale
03139293-xx Y scale assembly
03139296-xx X scale assembly
Equipment and tools
●
Allen key size 2.5
●
Spacer 2.1mm
●
Piece of paper
Requirements
●
Machine is switched off.
Removal and installation
Fig.67: Removing the screws
► Unscrew and remove the seven screws(1)
off the scale bar using a T shaped Allen
key size 2.5.
► Carefully pull out the scale bar.
► Do not damage the encoder reader. The
sensitive reader may be protected by
using a piece of paper.
► Put in the new scale bar.
CAUTION!
The surface of the scale bars
Fingerprints or scratches damage the
scale bars which then need to be ex-
changed.
Do not touch or scratch the surface of the
scale bars.
Be careful when pulling out the reader
and when putting it back again.
.
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Service Manual Process Lens PL - 03/2025 55
Fig.68: Tightening the screws
► Tighten the seven screws(1).
► Check the space between the reader and
the scale bar by using the 2.1 mm spacer
provided.
► Check the lights of the encoder at the back
of the machine.
► Slowly move the gantry backwards and
forwards. See section 3.3.2 "Color code for
the encoder readers" [}51].
► Adjust the brackets when the lights indic-
ate to do so.
► The steps to change the other scale bar are identical.
► Check the alignment of the y scale bar. Go to section 3.3.3 "Checking the alignment of the en-
coder reader of the Y gantry" [}52] and section 3.3.3 "Checking the alignment of the encoder
reader of the Y gantry" [}52].
► Tighten the seven screws(1).
► Check the space between the reader and the scale bar by using the 2.1 mm spacer provided.
► Check the lights of the encoder at the back of the machine.
► Slowly move the gantry backwards and forwards. See section 3.3.2 "Color code for the encoder
readers" [}51].
► Adjust the brackets when the lights indicate to do so.
► The steps to change the other scale bar are identical.
► Check the alignment of the y scale bar. Go to section 3.3.3 "Checking the alignment of the en-
coder reader of the Y gantry" [}52] and section 3.3.3 "Checking the alignment of the encoder
reader of the Y gantry" [}52].
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56 Service Manual Process Lens PL - 03/2025
3.5 Replacing spare parts at the conveyor
DANGER
Observe User Manual
► Please observe the safety instructions in the user manual for all work!
CAUTION
Do not loosen or remove the wrong screws
The following applies to all work performed on the conveyor:
► Make sure that you do not loosen or remove any other screws except those ones explicitly men-
tioned. Loosening other screws could lead to irreparable misalignment or damage to the con-
veyor.
CAUTION
Moving the conveyor rails
► The fixed conveyor rail is fastened by screws, the moveable conveyor rail can be moved by
carefully pulling on the toothed belt of the width adjustment.
► After moving the conveyor rail manually, you may need to teach the conveyor rail position during
the conveyor reference run and recalibrate the light barriers.
3.5.1 Dual-lane conveyor
3.5.1.1 Conveyor - overview
Fig.69: Conveyor overview - part 1