Olivetti 3D S2, Service Manual

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4-26 Service Manual Y118040-3
9.
To unmount the idle pulley, loosen the nut ( 1 ) and unscrew the slotted screw ( 2 ) on the pulley.
Figure 4-40
10. When assembling the pulley, adjust as follows: screw the pulley onto the metal support up to the height
indicated by the C-shaped template. The idle pulley assembly must be the same height as the internal
profile of the template. At this point tighten the nut (
1 ) to fix the pulley in the correct position.
Figure 4-41
11.
On completing reassembly of the idle pulley and belt , adjust the belt tension as illustrated in the
“Y axis belt
replacement
” video clip.
1
2
Height Setting