Sullair LS-20S, Operator'S Manual And Parts List

Page: 41 / 102

Section 7
MAINTENANCE
35
* Replacement element P/N 250034--085
** Replacement element P/N 02250047-734
(secondary)
(primary)
Figure 7-3 Separator Element Replacement
COVER
LOCK WASHER
CAPSCREW
SECONDARY
ELEMENT **
PRIMARY
ELEMENT*
SUMP
TANK
Reinsert the separator element, with gasket at-
tached, into the sump, taking care not to dent the
former against the tank opening.
SULLICON ACTUATOR MAINTENANCE
Ref er t o F igur e 7 -- 4 . T he S ullic on ac t uat or was ad-
justed at the factory and should require only periodic
lubrication of its links and pivot points to keep operat-
ing properly. In general, if the pressure signal (P2) is
present and proper lubrication link lubrication is evi-
dent, sluggish valve operation or excessive leakage
indicates a damaged diaphragm. A replacement dia-
phragm is available in kit no. 250020--353, and may
be installed as follows:
WARNING
!
Relieve package pressure before making repairs.
1. Remove adjacent air signal tubework.
2. Loosen/remove cap screw fastening the valve arm
link to the Sullicon control lever and let link hang
aside.
3. Loosen/remove the two (2) capscrew/nut assem-
blies securing Sullicon to its mounting bracket and
pull Sullicon away.
4. Loosen/remove remaining capscrew/nut assem-
blies holding Sullicon body, diaphragm and cover
together. Note that control stop bracket also com-
es off; without disturbing the stop screw/nut as-
sembly, put it aside.
5. Loosen/remove screw/washer assembly fasten-
ing diaphragm to the yoke -- carefully make note of
order of parts as they are disassembled. Now the
diaphragm may be inspected or replaced.
6. Reassembe in reverse order.
SHAFT COUPLING MAINTENANCE
Ref er t o F igur e 7 -- 5 . 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
F igur e 7 -- 6 . 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:
DANGER
!
Disconnect all power at source before attempting
maintenance or adjustments. Follow lockout proce-
d u r es ( S ee S af et y S ect i o n ) .
* Repair Kit P/N 250020--353
Figure 7-4 Sullicon Control (P/N 011682--003)