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WaterPik (Wp-100W) Pressure Pump O-ring Replacement

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  1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement, Pressure Pump O-rings: passo 1, immagine 1 di 1
    • Make sure the Waterpik is unplugged and away from any electrical outlet.

    • To prevent electrical shock never begin repairs on device while it is plugged in.

    • Remove top tool tray and water tank.

    • Laying the unit over on its back remove the four #1 Phillips 6mm screws.

  2. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 2, immagine 1 di 1
    • Remove the two #1 Phillips 4mm screws from the pressure hose housing.

    • Using a flattip screwdriver gently pry the pressure hose housing from the base of the unit.

    • Use gentle pressure when removing pressure hose housing. Excessive force could damage unit.

  3. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 3, immagine 1 di 1
    • Using an o-ring removal tool or a small flattip screwdriver carefully remove o-ring from pressure pump housing by gently prying the o-ring over the lip of the housing.

  4. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 4, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 4, immagine 2 di 2
    • Insert a small flattip screwdriver into the seam at the base of the unit and gently pry the lower housing from the main body.

    • Using a small punch or head of the Phillips screwdriver push through rubber nipple on lower housing.

    • May require some force to push rubber nipple through.

    • Separate lower housing from main body.

  5. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 5, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 5, immagine 2 di 2
    • Using a flattip screwdriver or flat pick inserted between the plastic bezel and pressure knob gently pry the knob from main body.

    • Work in a circular motion around the knob carefully applying pressure until the gauge comes off by hand.

    • Excessive force can result in damage to the knob or the main body.

    • The on/off rocker switch does not need to be removed as it does not interfere with the removal of the internal unit.

    • Place unit upright and remove main body from internal unit.

  6. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 6, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 6, immagine 2 di 2
    • Remove the three #1 Phillips 4mm screws from the Pump inlet housing.

    • Remove the pump inlet housing from the inlet tube.

  7. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 7, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 7, immagine 2 di 2
    • Using an o-ring removal tool or small flattip screwdriver, gently pry the o-ring from the pump inlet housing.

    • Once you get the tool under the o-ring use a circular motion as you pry and the o-ring will slide off easily.

    • Using your hands roll the o-ring down the body of the inlet housing and remove.

  8. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 8, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 8, immagine 2 di 2
    • Remove the two #1 Phillips 3mm screws from the on/off switch.

    • Remove the switch from its housing.

  9. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 9, immagine 1 di 2 WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 9, immagine 2 di 2
    • Locate the o-ring at the base on the inlet tube.

    • Using an o-ring removal tool or a small flattip screwdriver gently remove the o-ring from the pump inlet housing.

    • Placing the removal tool under the o-ring and against the inlet tube wall you can pull the o-ring out easily.

  10. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: passo 10, immagine 1 di 1
    • Using your fingers set the new O-ring over the pump inlet housing.

    • Use the removal tool to set the new o-ring at the base of the inlet tube.

    • It is not critical that the new o-ring is placed exactly at the base of the inlet tube. As long as the o-ring is flat when the inlet housing is reinstalled it will index the lower o-ring to its proper location.

Conclusione

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

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11 Commenti

How would I know that my waterflosser needs Pressure Pump O-ring Replacement?

Elizabeth - Replica

can we replace the handle of waterflosser? I tried to remove it but failed. some tips for this would be aprreciated.

Elizabeth - Replica

The handle/hose assembly comes off as per step 2. Replacements are available

Steven Holbourne -

quel est le code couleur de la résistance, merci.

panka - Replica

Do you know if there is a replacement kit with the O-rings.

Robert

Bob Neal - Replica

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