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DRIVE SHAFT HOUSING AND COARSE SCREEN<br />
Dismantling:<br />
1. Close the inlet and outlet valves of the filter<br />
and release pressure.<br />
2. Disconnect power supply from the control<br />
board.<br />
3. Remove the cover from the drive shaft<br />
housing (45) by unscrewing the wing nuts<br />
(53.5). Pull out the plug from the solenoid<br />
coil, remove the limit switch sling (50) from<br />
the drive shaft housing by unscrewing the<br />
bolts (51).<br />
4. Carefully put the limit switch sling near the<br />
filter to avoid any damage to the electrical<br />
wires.<br />
5. Disconnect the pilot tube (40.3) from the<br />
solenoid valve (41) and connector (40.2).<br />
6. Disconnect the drain pipe from the exhaust<br />
valve.<br />
7. Remove the drive unit (37) from the drive<br />
shaft housing (24) by unscrewing the nuts<br />
(26.4) from the bolts (26). By doing so the<br />
drive shaft key (36) will be pulled out.<br />
8. Pull out the connecting pin (33) by first<br />
removing the split pin (34).<br />
9. Turn the drive shaft (35) using a suitable<br />
spanner in order to release it from the<br />
scanner shaft (9.3).<br />
10. Partially release the tightening nut (32).<br />
11. Dismantle the drive shaft housing (24) from<br />
the filter housing (14) by unscrewing the<br />
bolts (25).<br />
12. Pull out the flushing chamber (19) and the<br />
coarse screen (18).<br />
Assembly:<br />
1. Insert the coarse screen (18) into its place in the filter housing.<br />
2. Apply some grease on the O-ring (22) and insert the flushing chamber into its place. Make sure the scanner pipe enters into its<br />
bearing (23).<br />
3. Install the drive shaft housing (24) into the filter housing (14) with the bolts (25) and tighten them.<br />
4. Connect the drive shaft (35) to the scanner shaft by using the connecting pin (33) and split pin (34).<br />
5. Make sure that the drive shaft key (36) is fitted properly in the gear box. Thread the drive shaft through the drive unit and note<br />
that the drive shaft groove is adjusted in accordance with the drive shaft key.<br />
6. Connect the drive unit (37) to the drive shaft housing (24) with the bolts (26) and tighten them.<br />
7. Connect the pilot tube between the solenoid valve (41) and the connector (40.2).<br />
8. Assemble the limit switch sling in its place and push in the plug of the solenoid coil.<br />
9. Connect the drain pipe to the exhaust valve (42).<br />
10. Operate the control board and make sure the filter is operating properly.<br />
11. Open the inlet and outlet valves and recheck filter operation.<br />
11<br />
amiad filtration systems
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