Titan Airless Sprayer IMPACT 410 Piston Replacement

ID: 153213

Description: Use this guide to replace the piston in your...

Steps:

1. Before you begin, make sure to follow the pressure relief procedure documented in the user manual before powering down the paint sprayer and disconnecting the pump.
2. Turn off and unplug the sprayer.

3. Use a Phillips driver to remove the four 15 mm-long screws securing the front cover.

4. Remove the front cover.

5. Plug in the power cord.
6. Pulse the on/off switch until the pump stops at the bottom of its stroke.
7. Turn the sprayer off and unplug its power cord before continuing.

8. Pinch the return hose clamp and slide it downward to expose the connector.

9. Use your fingers to remove the retaining clip from the foot valve housing.

10. Use a 7/16" wrench to unscrew the return hose.

11. Remove the return hose.

12. Use an adjustable wrench to loosen and remove the foot valve housing.

13. Lay the sprayer down horizontally on its black metal bars before continuing.
14. Use an adjustable wrench to loosen the inlet valve housing from the pump block.

15. Remove the inlet valve housing.

16. If you're replacing the inlet valve, note the installation order from first to last (Teflon O-ring first and Piston Bushing last):
17. Teflon O-ring
18. Inlet valve seat
19. Inlet valve ball
20. Inlet valve washer
21. Nylon washer
22. Piston bushing

23. Use a 5/16 inch hex key to loosen and remove the outlet valve retainer.

24. Use a pick tool to remove the outlet valve seat.
25. Remove the outlet valve ball.

26. Remove the O-ring.
27. Remove the outlet valve cage.

28. Use a 3/8 inch hex key to loosen and remove the two screws securing the pump block.

29. Pull the pump block away from the sprayer to separate it from the pump housing.
30. Pull the pump block upward to slide the piston rod out of its slot in the pump housing.
31. Remove the pump housing.

32. Use your palm to push the piston through the pump block.
33. This may require a significant amount of force.
34. Remove the piston.
35. During reassembly, grease the piston before reinserting it into the pump block.