00197042-04_SM_X-Serie-S_Customer_EN - 第228页
7 Conveyor 7.5 Width Adjustment, Clamps and Cylinder Unit 228 Service Manual SIPLACE X-Serie S 06/2019 Installation ► Follow the removal instructions in reverse order for installation. Also observe the following instruct…
7 Conveyor
7.5 Width Adjustment, Clamps and Cylinder Unit
Service Manual SIPLACE X-Serie S 06/2019 227
7.5.2 Replacing the toothed belt (width adjustment)
Parts, equipment and tools
●
Toothed belt BRECOFLEX 12 T5/3950 [03087325-xx]
●
Bearing for hexagonal shaft SXa (plastic bearing) – pack of 10 [03092024-xx]
Overview
Fig.290: Overview of width adjustment
1 Cylinder units 2 Width adjustment drive
3 Movable idler pulley 4 Toothed belt of width adjustment
5 Measurement point for belt tension 6 Idler pulley
Removal
► Use the software to move the conveyor sides into a position which allows you best access. As
an alternative, you can loosen the clamps for the relevant sides in dual conveyors.
7.2 "Loosening the Conveyor Side Clamps" [}207]
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
► Move the cylinder units as far as the end stop on one side of the conveyor. To do this, move
the toothed belt of the width adjustment.
► Dismantle the cover over the conveyor control.
► Loosen the movable idler pulleyfor the width adjustment toothed belt on the inside of the con-
veyor. (Open-ended wrench, size 10)
► Unthread the toothed belt.
7 Conveyor
7.5 Width Adjustment, Clamps and Cylinder Unit
228 Service Manual SIPLACE X-Serie S 06/2019
Installation
► Follow the removal instructions in reverse order for installation. Also observe the following
instructions:
– Carefully thread in the toothed belt. To do this, carefully lift the toothed belt a little ( e.g.
with the shorter end of an Allen key).
– Make sure that the cylinder units are parallel.
Setting the Parallelism of the Conveyor Sides
– Set the correct belt tension (see below).
7.5.2.1 Setting the belt tension (width adjustment)
► Use the software to move the conveyor sides into a position which allows you best access. As
an alternative, you can loosen the clamps for the relevant sides in dual conveyors.
7.2 "Loosening the Conveyor Side Clamps" [}207]
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
► Check the tension at the center between the two upper idler pulleys. The tension must be 25
to 27Hz.
► If the tension is not correct, loosen the screw fastening the movable idler pulley and correct
the tension. You may have to dismantle the cover over the conveyor control.
► Repeat the measurement 4 times.
7 Conveyor
7.5 Width Adjustment, Clamps and Cylinder Unit
Service Manual SIPLACE X-Serie S 06/2019 229
7.5.3 Replacing the movable idler pulley/idler pulley (width adjustment)
Parts, equipment and tools
●
Movable idler pulley assembly [03097090-xx]
This spare part is also used for replacing idler pulleys.
Overview
Fig.291: Overview of width adjustment
1 Cylinder units 2 Width adjustment drive
3 Movable idler pulley 4 Toothed belt of width adjustment
5 Measurement point for belt tension 6 Idler pulley
Removal
► Use the software to move the conveyor sides into a position which allows you best access. As
an alternative, you can loosen the clamps for the relevant sides in dual conveyors.
7.2 "Loosening the Conveyor Side Clamps" [}207]
► Switch off the machine, disconnect it from the power supply and secure it to prevent
unauthorized reactivation.
1.2 "Preparatory work..." [}16]
► Move the cylinder units as far as the end stop on one side of the conveyor. To do this, move
the toothed belt of the width adjustment.
► Dismantle the cover over the conveyor control.
► Loosen the movable idler pulleyfor the width adjustment toothed belt on the inside of the con-
veyor. (Open-ended wrench, size 10)
► Remove the fastening screws on the roller to be replaced and then remove the roller.