DOSATRON D25F-11GPM Maintenance Kit
This kit contains:
| (1) J009 | Plunger Seal |
| (1) J024 | Injection Sleeve O-ring |
| (1) J051 | Check Valve Seal |
| (2) M238 | Actuator Springs |
| (1) P421 | Piston Shell |
| (1) MPDI122 | Check Valve Assembly |
MKD25F Instructions
Part 1 – Seal Kit
(Parts included in kit noted in blue)
- Remove the 4 screws at base of unit and pull dosing stem down to remove.
- Remove old Plunger Seal (J009) and replace.
- Unscrew check valve barb to remove Check Valve Assembly (MPDI122) and Check Valve Seal (J051).
- Replace injection sleeve o-ring (J024).
- Insert Check Valve Assembly (MPDI122) and Check Valve Seal (J051), and screw on the check valve barb.
- 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)
- Remove the top lid.
- Lift piston from unit.
- Remove screw from wishbone assembly (at the top of the piston) and slide actuator valve out from the wishbone.
- Remove the 4 screws from the middle of the shell. The mechanism will drop out.
- Remove the Actuator Springs (M238) and replace.
- Replace the mechanism into the new Piston Shell (P421).
Make sure to tighten the screws holding the mechanism properly
