YAMIT E.L.I. AF800N Series, Руководство по техническому обслуживанию

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6.5 - Coarse Screen Removal & Installation
1. Close the inlet and the outlet line valves.
2. Verify that the filter is drained prior to service.
3. Remove the nuts and washers connecting the cover to the filter housing.
4. Remove the cover seal from the cover groove.
5. Pull out the damaged coarse screen out from the fine screen assembly
using the gripping handle.
6. Slide the new coarse screen into the fine screen assembly using the
gripping handle.
7. Verify that the straight side of the cover seal fits into the groove located in
the cover.
8. Put the cover on its place on the filter's housing and Install the nuts and
washers connecting the cover to the filter housing.
9. Open the inlet and outlet line valves.
10. Check for leaks.
11. Perform a flushing cycle manually by pushing manual bottom (M on the
screen display). (See Figure 3)
12. Verify that the hydraulic flushing valve closes after 10 seconds.
WARNING
Take precautions while operating the filter as the filter may enter a flushing
mode automatically, without prior warning
.
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Figure 7: Piston Assembly Removal & Installation
AF800N