Section VIII - Service Adjustments
108 Quincy Compressor-QSI
®
Drive Coupling Alignment
QSI 245-750
These QSI units are direct coupled between the airend
QSI 1000-1500
It is necessary to check and correct the coupling align-
is vital to the life of the motor and compressor bearings
and must be performed after the unit has been installed
ever moved from its original site, the alignment must be
-
properly aligned coupling:
-
4) Using one of the existing 3/8” bolt holes in the com-
pressor hub, attach a dial indicator mounting stud or
5) Attach a dial indicator to the mount with the neces-
sary hardware to allow the indicator plunger to
NOTICE!
Four viewpoints need to be checked. Angular
and parallel, as view from the top. Angular and
parallel, as viewed from the side.
Do not operate the unit without both coupling halves and
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