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6.4 – Hydraulic Piston Assembly Removal & Installation
The hydraulic piston enables the linear movement of the dirt collector.
1. Set the main switch at the control panel to "0" position.
2. Close the inlet and the outlet line valves
3. Verify that the filter is drained prior to service.
4. Disconnect the control tube from the piston assembly's upper section.
5. Spin and screw the brass base out of the filter body and carefully remove the
piston assembly.
6. Remove the seal from the current piston assembly, forward section.
7. Position the forward seal in the new piston assembly.
8. Lubricate the forward seal with silicon grease.
9. Carefully slide the new piston assembly into the filter housing.
10. Spin and screw the brass base into the filter body and tie it gently.
11. Connect the control tube to the piston assembly's upper section.
12. Set the main switch at the control panel to "1" position.
13. Open the inlet and outlet line valves.
Take precautions while operating the filter as the filter may enter a flushing
14. Check for leaks.
15. Perform a flushing cycle by pressing the MANUAL FLUSH switch at the control
panel.
16. Push the piston indicator (on the rear side of the piston) inside.
17. Verify that the piston travels its complete path and that the indicator pops up.
18. Verify that the hydraulic flushing valve closes after 15 seconds.
16
WARNING
mode automatically, without prior warning
AF9800N
.
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