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6.6 - Fine Screen Assembly Removal & Installation
1. Close the inlet and the outlet line valves.
2. Set the main switch at the control panel to "0" position.
3. Verify that filter is drained prior to service.
4. Remove the nuts and washers attaching the cover to the filter housing.
5. Remove the cover with the motor assembly.
6. Remove the body seal from the cover groove.
7. Pull the coarse screen out of the fine screen assembly
8. Unscrew the leading screw from the end of the dirt collector axis.
9. Pull the fine screen assembly out of the filter housing assembly with the dirt collector.
10. Remove the spring ring that holds the flushing chamber plate and pull the plate out
of the screen assembly.
11. Carefully pull the dirt collector out of the fine screen assembly.
Note: Be sure that the suction nozzles are in the right position to pass the ring in the
screen assembly.
12. Remove both upper and lower seals from the current fine screen assembly.
13. Remove the screen bearing (installed on the screen handle) from the current screen
assembly.
14. Remove the flushing chamber (unscrew it) from the old fine screen.
15. Position both upper and lower seals into the new fine screen assembly.
16. Lubricate upper and lower seals with silicon grease.
17. Install the screen bearing in the new fine screen assembly upper section.
18. Slide the dirt collector into the new fine screen – make sure that the suction nozzles
are in the right position to pass the ring in the fine screen assembly and the dirt
collector axis is inside the screen bearing.
19. Install the flushing chamber plate on the back side of the dirt collector and tie it to its
place with the spring ring.
20. Slide the new fine screen assembly into the filter housing assembly.
21. Slide the coarse screen into the fine screen assembly.
22. Verify that the straight side of the body seal fits into the groove located in the cover.
23. Install the leading screw on the end of the dirt collector axis.
24. Put the cover into it's place on the filter. (Take care that the motor's dirt collector axis
housing is slide on the dirt collector axis)
25. Install the nuts and washers attaching the cover to the filter housing.
26. Set the main switch at the control panel to "1" position.
27. Open the inlet and outlet line valves.
28. Perform a flushing cycle by pressing the MANUAL FLUSH switch at the control panel.
29. Check for leaks
Take precautions while operating the filter as the filter may enter a flushing
20
WARNING
mode automatically, without prior warning
AF9800N
.
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