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Tools required: 1. Screw driver 2. Brush
Take the upper housing off and put it aside
Disconnect the terminals of the coil
Loosen the u-nut at the center of the diaphragm then remove the used diaphragm
Replace a new diaphragm and mount it on the activating arm with a u-nut and washer into their position.
Replace another new diaphragm and press the rim of the diaphragm into the ring ofthe coil frame perfectly
Put the diaphragm housing back on its position and mount it with the 4 screws tightened firmly
Constrict the tubes each with a clamp at the end
Clean the coil cover with a brush
Put the aluminum upper housing back and mount it with the four screws tightened firmly
Loosen the screw on the top of the filter cover
Clean the top of the upper housing.
Loosen the screws at the four corners of the aluminum upper housing.
Loosen the screws on the diaphragms housing and remove the housings.
Remove the other diaphragm from the coil housing and loosen the u-nut at the center of the diaphragm, and then release it from the activating arm.
Put the activating arm together with the new diaphragm into the center spacing between the two coils at its proper position
Put the diaphragm housing back on its position and mount it with the 4 screws tightened firmly
Check and make sure the activating arm located in the middle of the spacing between the two coils.
Connect the safety switch with the terminals.
Put the aluminum upper housing back and mount it with the four screws tightened firmly
Loosen the screw on the top of the filter cover, and then put the cover aside.
Remove the old filter.
Take the upper housing off
Loosen the u-nuts at the center of diaphragms
Replace a new diaphragm with u-nut and washer into their position
Press the rim of the diaphragms into the rings of the coil frame perfectly
Screw the u-nuts on diaphragms firmly.
Turn the L-tubes back to their position and assemble them on the outlets of the diaphragm housings
Turn the pump upside down and mount the upper housing with the four screws tightened firmly.
Clean the cover.