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Parallel
(Shafts are parallel, sheaves are not in line)
1. To check, use straightedge or string near sheave centers.
2.
To correct, loosen sheave and relocate on shaft until all four points touch straightedge. Tighten sheave in
position.
IMPORTANT: Sheave should be mounted as close to bearing as possible to reduce overhung
load on bearing. Relocate equipment, if necessary.
NOTE:
Never “pry” the belts into the sheave grooves. This can damage the belt cords and lead to belt turnover,
short life or actual breakage.
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