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Figure 6-5 Pressure Regulator Adjustments
Figure 6-6 Drive Coupling Alignment
the service line desired pressure.
DRIVE COUPLING INSTALLATION AND ALIGN-
MENT
Applies to base-mounted compressors and drives
only. Units mounted through common housing
are self-aligning. If alignment is suspect, use the
following procedure.
Refer to Figures 6-6,
installation and alignment, the tools required will be
one set of standard allen wrenches and a dial indi-
cator. If a dial indicator is not available, an alternate
method of checking the alignment may be used as
a secondary or less desirable technique. This
6-7
and 6-8. For coupling
Table 6-1 Installation Data
Parallel
Coupling
Offset
Gap
inches/mm
+.03 in./ .762mm
.008/ .02
1.38/ 35.0mm
(I) Angular misalignment in inches equals maximum A minus mini-
mum B as shown in Figure 6-6. DO NOT exceed values in Table
6-1 above.
method of checking is done by careful use of a
square or metal straight edge feeler gauge and a
set of inside calipers (see Figure 6-8). Those spec-
ifications in
Table 6-1 Installation Data
designated in inches are provided for this method.
Figure 6-7 Drive Coupling
Section 6
MAINTENANCE
Max. Operating Misalignment
Angular
Degrees
inches/ mm (I)
.025
.005/ 127mm
which are
39
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