Sullair LS-20 Operator's Manual And Parts List page 37

4. Lift the cover plate from the sump.
5. Remove the two (2) nested separator elements.
6. Scrape the old gasket material from the cover and
sump flange -- avoid dropping any scraps into the
sump.
7. Inspect the sump vessel for rust, dirt, etc.
8.
!
DO NOT remove grounding staples from the gas-
kets. DO NOT use any type of gasket eliminator. Do-
ing so will interfere with grounding circuit and may
cause severe shock.
Reinsert the separator element, with gasket at-
tached, into the sump, taking care not to dent the
former against the tank opening.
9. Replace the cover plate and re--fasten washer/
capscrew assemblies to 155 ft.--lbs. (211Nm).
10. Re--connect all pipework, making sure the return
lines extend within 1/4" (6.4mm) from the bottom
of each element. This will insure proper fluid re-
turn during operation.
11. Clean the return line strainers.
SHAFT COUPLING MAINTENANCE
Ref er t o F igur e 7 -- 4. T he c om pr es s or unit and m ot or
are rigidly connected via a rigid adaptor piece, thus
the shafts are maintained in proper alignment at as-
sembly. For reference only, the allowable angular
and parallel shaft misalignments are presented in
Figure 7-4 Drive Coupling
HUB
ELEMENT
RADIAL
(HALF)
BOLTS
WARNING
F igur e 7 -- 5. T he only c om ponent r equir ing r egular in-
spection or servicing is the coupling flexible element,
which may be accessed as follows:
Disconnect all power at source before attempting
maintenance or adjustments.
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
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.
RADIAL BOLTS (TORQUE
TO 360 IN-LBS. [40.67 NM])
ELEMENT (HALF)
HUB
Section 7
MAINTENANCE
DANGER
!
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