Section 6
MAINTENANCE
49
9. Clean the underside of the receiver/sump tank
and remove any rust.
10. Replace the cover plate, washers and cap-
screws. Torque to 47 ft.-lbs. (64Nm).
11. Reconnect all piping making sure return line
tubes extend to the bottom of the separator ele-
ment(s). This will assure proper fluid return flow
to the vacuum unit.
12. Clean the return line strainer(s) before restarting
the machine.
SEPARATOR ELEMENTS REPLACEMENT -
50HP/30KW
Refer to Figure 6-3B. The separator elements must
be changed when "Separator Maintenance
Required" message is displayed, or once a year
whichever occurs first. Order separator elements,
number 250034-124 (primary), and number
250034-130 (secondary). Follow the procedure
explained below for separator element replace-
ment.
1. Relieve all pressure from the separator and all
compressor lines.
2. Disconnect all piping connected to the separator
cover (return lines, service lines, etc.) to allow
removal.
3. Loosen and remove the twelve (12) 3/4" x 3" hex
head capscrews from the cover plate.
4. Lift the cover plate from the separator.
5. Remove the primary and secondary separator
elements.
6. Scrape the old gasket material from the cover
and flange on the sump being careful not to let
the scraps fall into the sump.
7. Inspect the receiver/sump tank for rust, dirt, etc.
8. Reinsert the separator elements with gaskets
attached into the sump taking care not to dent it
against the tank opening. DO NOT remove
grounding staples.
9. Clean the underside of the separator tank cover
and remove any rust. DO NOT remove the sta-
ples from the gaskets.
10. Replace the cover plate, washers and cap-
Figure 6-3A Separator Maintenance -
30-40HP/ 22-30KW
*Replacemenet Element P/N 02250049-889
6-3B Separator Maintenance - 50HP/ 37KW
*Primary Replacement Element P/N 250034-124
**Secondary Replacement Element P/N 250034-130
DO NOT blow dirt out of housing with com-
pressed air.
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