FlexLink Spiral Elevator - Manual (Page 57)

Technical maintenance
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6.2.4 Align sprocket wheel
If the conveyor chain does not run smoothly or is noisy, one of the sprocket
wheels at the conveyor ends may not be aligned correctly. This may cause
extra wear of chain and sprocket wheel.
Tools
Procedure to align sprocket wheel at lower or upper end
• Move the conveyor plate with the coloured dot to the lower or
upper end. Remove several of the conveyor plates (slats), so that
when the link is removed from the chain the sprocket wheel is
released.
• The sprocket wheel has been locked to the shaft with an Allen
screw. By loosening this, the wheel can be moved to the left or to
the right.
• When the wheel has been aligned correctly, the chain can be
connected again by means of the locking link and subsequently
the conveyor plates can be replaced again. Make sure that a
conveyor plate with a coloured dot is put on to the correct position
of the locking link.
Figure 17 Lower end Figure 18 Upper end Figure 19 Allen screw