YAMIT AF-9800N Series, Service Maintenance Manual, Page: 18 / 40

6.5 - Coarse Screen 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 and the motor’s dirt collector axis
housing.
6. Remove the body seal from the cover groove.
7. Pull the old coarse screen out of the fine screen assembly
8. Slide the new coarse screen into the fine screen assembly.
9. Verify that the straight side of the body seal fits into the groove located in the
cover.
10. 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).
11. Install the nuts and washers attaching the cover to the filter housing.
12. Set the main switch at the control panel to "1" position.
13. Open the inlet and outlet line valves.
14. Perform a flushing cycle by pressing the MANUAL FLUSH switch at the control
panel.
15. Check for leaks.
WARNING
Take precautions while operating the filter as the filter may enter a flushing
mode automatically, without prior warning
.
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AF9800N