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Titan Airless Sprayer IMPACT 410 Piston Replacement

Introduction

Use this guide to replace the piston in your Titan Impact 410 Airless Sprayer.

Note: To access the piston, you must first remove the outlet valve. It's highly recommended that you service this valve with the parts included in the repacking kit (#704-586) before reassembling.

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  1. Titan Airless Sprayer IMPACT 410 Piston Replacement, Safety precautions: étape 1, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Safety precautions: étape 1, image 2 de 2

    • 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.

    • Turn off and unplug the sprayer.

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  2. Titan Airless Sprayer IMPACT 410 Piston Replacement, Unfasten the front cover: étape 2, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Unfasten the front cover: étape 2, image 2 de 2

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

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  3. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the front cover: étape 3, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the front cover: étape 3, image 2 de 2

    • Remove the front cover.

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  4. Titan Airless Sprayer IMPACT 410 Piston Replacement, Reposition the pump: étape 4, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Reposition the pump: étape 4, image 2 de 2

    • Plug in the power cord.

    • Pulse the on/off switch until the pump stops at the bottom of its stroke.

    • Turn the sprayer off and unplug its power cord before continuing.

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  5. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the return hose: étape 5, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the return hose: étape 5, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the return hose: étape 5, image 3 de 3

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

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  6. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 6, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 6, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 6, image 3 de 3

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

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  8. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 7, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 7, image 2 de 2

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

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  9. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 8, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 8, image 2 de 2

    • Remove the return hose.

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  10. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the foot valve housing: étape 9, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the foot valve housing: étape 9, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the foot valve housing: étape 9, image 3 de 3

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

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  11. Titan Airless Sprayer IMPACT 410 Piston Replacement, Loosen the inlet valve housing: étape 10, image 1 de 1

    • Lay the sprayer down horizontally on its black metal bars before continuing.

    • Use an adjustable wrench to loosen the inlet valve housing from the pump block.

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  12. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the inlet valve housing: étape 11, image 1 de 1

    • Remove the inlet valve housing.

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  13. Titan Airless Sprayer IMPACT 410 Piston Replacement, Inlet valve information: étape 12, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Inlet valve information: étape 12, image 2 de 2

    • If you're replacing the inlet valve, note the installation order from first to last (Teflon O-ring first and Piston Bushing last):

    • Teflon O-ring

    • Inlet valve seat

    • Inlet valve ball

    • Inlet valve washer

    • Nylon washer

    • Piston bushing

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  14. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the outlet valve retainer: étape 13, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the outlet valve retainer: étape 13, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the outlet valve retainer: étape 13, image 3 de 3

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

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  15. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 14, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 14, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 14, image 3 de 3

    • Use a pick tool to remove the outlet valve seat.

    • Remove the outlet valve ball.

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  16. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 15, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 15, image 2 de 2

    • Remove the O-ring.

    • Remove the outlet valve cage.

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  17. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the pump block: étape 16, image 1 de 2 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the pump block: étape 16, image 2 de 2

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

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  18. Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 17, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 17, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement: étape 17, image 3 de 3

    • Pull the pump block away from the sprayer to separate it from the pump housing.

    • Pull the pump block upward to slide the piston rod out of its slot in the pump housing.

    • Remove the pump housing.

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  19. Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the piston: étape 18, image 1 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the piston: étape 18, image 2 de 3 Titan Airless Sprayer IMPACT 410 Piston Replacement, Remove the piston: étape 18, image 3 de 3

    • Use your palm to push the piston through the pump block.

    • This may require a significant amount of force.

    • Remove the piston.

    • During reassembly, grease the piston before reinserting it into the pump block.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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