Section 6
MAINTENANCE
35
taking care not to dent it against the tank open-
ing.
9. Clean the underside of the receiver/sump tank
and remove any rust.
10. Install the cover plate, washers and capscrews.
Torque to 47 ft.-lbs. (64 Nm).
11. Reconnect all piping, making sure return line
tubes extend to the bottom of the separator ele-
ment. This will help proper fluid return flow to the
vacuum unit.
12. Clean the return line strainer before restarting
the vacuum unit.
CONTROL SYSTEM ADJUSTMENT
Refer to Figure 6-4. Prior to adjusting the Control
System, it is necessary to determine the desired
operating vacuum range. The following explanation
applies to a typical installation with a desired oper-
ating vacuum of 20 in-Hg. (508mm). This informa-
tion will apply to a vacuum unit with any other oper-
Figure 6-3 Separator Element Replacement
KEY NO. DESCRIPTION QUANTITY
1 COVER 1
2 ELEMENT GASKET**** 1
3 GASKET*** 1
4 SECONDARY ELEMENT** 1
5 PRIMARY ELEMENT*** 1
6 SUMP 1
*Replacement Gasket P/N 250021-703
**Secondary Replacement Element P/N 02250109-321
***Primary Replacement Element P/N 02250049-889
****Element gasket comes with Secondary Replacement
Kit P/N 02250059-191
Figure 6-4 Sullicon Control
KEY
NO.
DESCRIPTION QTY
1 AIR INLET 1
2 VACUUM REGULATOR 1
3 SULLICON CONTROL VALVE* 2
4 CYLINDER 1
*Repair kit for Sullicon Control P/N 250020-
353 (qty 2). For replacement of heavy
spring, order spring no. 250024-507.
NOTE: For additional information on
Sullicon Control parts, consult Section 7.8,
Sullicon Control System. For more infor-
mation on Sullicon Control system, refer
to Section 7.5, Air Inlet and Control
Assembly - 150HP, or Section 7.6, Air Inlet
and Control Assembly - 200HP
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