Dosatron International Dosatron D14MZ2

Ensure the pressure drops to zero

Remove the bell and the motor piston

Disconnect the water inlet and outlet fittings

Remove the lower pump body from the mounting bracket

Empty any remaining water from the pump body

Allow the pressure to drop to zero

Unscrew and remove bell-housing by hand

Remove the motor piston by pulling it up

Ensure rod and plunger piston are removed with the motor piston

Change and reassemble in reverse order

Refit the bell-housing and tighten by hand

Check that the bell-housing seal is not damaged

Ensure no tools or metallic utensils are used

Wear protective eyewear and gloves

Operate the DOSATRON to inject clean water and rinse the injection system

Pinch the component and the seal, push to deform the seal

Increase deformation to grip and pull the seal out of its groove

Clean the seal seating without any tools

Ensure the pressure has dropped to zero

Remove the suction tube of product (Fig. 24)

Unscrew the retaining ring (Fig. 25)

Pull downwards to remove the injection assembly (Fig. 26)

Change the seals, the suction valve, and the barbed fitting

Re-assemble the components by hand in reverse order

Refer to the drawings of the different models at the end of the manual

Has the pressure dropped to zero?

Unscrew the blocking ring (Fig. 13)

Adjust the nut to align the eyelet peaks with the desired ratio on the scale (Fig. 14)

Tighten the blocking ring (Fig. 15)