Evoqua Water Technologies Filter V-250-4

Gasket and Lubrication Precautions

Ensure the floating gasket in the lower bulkhead is placed face up towards the reverser.

Confirm no lubrication is applied to the pawl and reverser.

Check that filter elements fit into the grooves in the differing bulkheads before securing the filter assembly.

Ensure screen filters are properly placed into the bulkhead grooves after mounting the rotor assembly.

Select the lubricant type for bulkhead seals

Verify bulkhead seals are lubricated before installing the filter assembly into the tank.

Hold the pawl in place with thumb pressure and align the teeth correctly.

Rotate the shaft until the pawl is seated properly in the reverser threads.

Ensure that o-ring is present in pawl retainer.

Rotate the shaft several times to ensure proper functioning of the pawl.

Hydraulic Drive Motor Installation

Install the hydraulic drive motor for COUNTER-CLOCKWISE rotation of the scanner shaft.

Verify rotation direction from the filter cover opening.

Ensure all required tools are available

Remove internals from tank as described in the manual

Remove rotational governor paddles by unscrewing Phillips screws and 5/16” nut and bolt

Remove rotational governor by unscrewing 3/16” Allen screw and sliding it off the shaft

Remove dirt collector’s nozzles by unscrewing two 9/64” Allen screws at the bases of the nozzles

Ensure all required tools are available

Relieve pressure inside of filter body

Remove 5/8” nuts, bolts and washers securing the lid

Remove lid and store convex side down