Sullair LS-20S Operator's Manual And Parts List page 42

Section 7
MAINTENANCE
Figure 7-5 Drive Coupling
HUB
ELEMENT
(HALF)
INSPECTION/REMOVAL OF FLEXIBLE ELE-
MENT
1. Loosen fasteners securing wireform guard to the
distance piece and remove to allow access to the
coupling assembly.
2. Loosen and remove all capscrews securing each
flexible element half to the shaft hubs.
3. Inspect each element body for signs of tears or
separation away from the metal flanges -- if any
faults are found, elements must be replaced and
Sullair contacted for further assistance.
4. Reassemble in reverse order. Capscrews must be
Figure 7-6 Drive Coupling Alignment (I)
(I) Alignment data is shown for reference only. The C-face motor mounting arrangement does not require
adjustment for coupling alignment.
(II) Angular mis-alignment in inches equals maximum A minus minimum B. DO NOT exceed values in Table 1-
Installation Data.
36
RADIAL
BOLTS
RADIAL BOLTS (TORQUE TO
360 IN-LBS. [40.67 NM])
ELEMENT
(HALF)
HUB
re--torqued to 30 ft.--lbs. (40.7Nm) (dry). Please
note that capscrews have self--locking patches
good for two re--uses, but the application of a
thread--locking adhesive increases this number.
DO NOT lubricate capscrew threads.
Please note that replacement of either shaft hub re-
quires the removal of the motor, an operation best
handled by Sullair personnel.
Table 1- Installation Data
Tightening Gap .030

Torque
Inches
lb.--in.
360 1.50
NOTE
Max Operating Misalignment
Coupling Capscrew
Parallel Angular
Offset
Degrees
Inches (II)
Inches
T.I.R.
.005 .5 .005