Service Manual_AVA1_ENG-20220922_I 241
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Kindly note some machines (early SN) only have 2 screws (no center screw).
Same applies, adjust eight one side after the other by untightening only one screw from the side you need
to adjust.
Kindly note that if machine received a big shock (impact), 1mm eight wouldn’t be adequate value
anymore but 1.1mm, 1.2mm, etc.