DOSATRON D25F-11GPM Maintenance Kit Instructions

DOSATRON D25F-11GPM Maintenance Kit

This kit contains:

MKD25F Instructions

Part 1 – Seal Kit

(Parts included in kit noted in blue)

1. Remove the 4 screws at base of unit and pull dosing stem down to remove.
2. Remove old Plunger Seal (J009) and replace.
3. Unscrew check valve barb to remove Check Valve Assembly (MPDI122) and Check Valve Seal (J051).
4. Replace injection sleeve o-ring (J024).
5. Insert Check Valve Assembly (MPDI122) and Check Valve Seal (J051), and screw on the check valve barb.
6. Replace the injection stem into lower housing and attach the 4 screws to the base of the lower housing.
   

D25F Injection Stem Legend

For Technical Support call 1-800-523-8499 or 1-727-443-5404

Part 2 – Piston Kit

(Parts included in kit noted in blue)

1. Remove the top lid.
2. Lift piston from unit.
3. Remove screw from wishbone assembly (at the top of the piston) and slide actuator valve out from the wishbone.
4. Remove the 4 screws from the middle of the shell. The mechanism will drop out.
5. Remove the Actuator Springs (M238) and replace.
6. Replace the mechanism into the new Piston Shell (P421).
   Make sure to tighten the screws holding the mechanism properly
   

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