Graco Dispense Valve 25A289

1. Relieve the pressure as described in your PD2K operation manual.

2. Remove the valve from the manifold as described in your color change kit manual. Inspect the 111450 or 106152 manifold o-ring.

3. Hold the seat body (2) steady with a box wrench. Use a wrench on the flats of the piston body (5) to unscrew it from the seat body.

5. Remove the two outer o-rings (16) and the inner o-ring (20) from the piston body (5).

6. Using the 24U236 tool (111, supplied with the valve manifold kit) or tool kit 25D980, unscrew the valve seat (1) from the seat body (2).

7. Unscrew the ball (3) from the shaft (4), using a wrench on the flats of the ball.

8. Slide the piston and shaft assembly (4) out of the seat housing (2). Remove the piston o-ring (18).