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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: adım 1, 1 resimden 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: adım 2, 1 resimden 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: adım 3, 1 resimden 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: adım 4, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 4, 2 resimden 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: adım 5, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 5, 2 resimden 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: adım 6, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 6, 2 resimden 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: adım 7, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 7, 2 resimden 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: adım 8, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 8, 2 resimden 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: adım 9, 2 resimden 1. WaterPik (Wp-100W) Pressure Pump O-ring Replacement: adım 9, 2 resimden 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: adım 10, 1 resimden 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.

    Helpful, but it would be even better if the o ring SIZE was included on each replacement in order to get correct size on each reinstall. Thanks

    Tim Ryan - Yanıt

    Very nice and helpful guide. It will be nice to know the different sizes of the O-Rings needed. That will make this guide AWESOME!

    vzamora - Yanıt

Sonuç

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

7 farklı kişi bu kılavuzu tamamladı.

11 Yorum

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

Elizabeth - Yanıt

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

Elizabeth - Yanıt

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 - Yanıt

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

Robert

Bob Neal - Yanıt

What is the size of the o ring? the link to amazon is not available

lhollinghurst - Yanıt

Hi! where can i buy the O Ring set? the link is not working.
Thanks.

uzapuca - Yanıt

Hi people!
Since the O Ring link in Amazon is not working i found another set. I am not sure it will work since i cannot be sure of the size needed but the cost of the whole set is still lower than buying a new one with a Water Floss that works right and just need an O Ring change. What do you think?

https://www.amazon.com/Neiko-407-Piece-R...

uzapuca - Yanıt

Great photos & instructions! I have the same waterpik and was ready to throw it in the trash, but with your photos I believe I can repair mine. Thank you so much!

shlomo - Yanıt

Just a note: In step 4, the bottom 4 black nipples that are in the bottom plate do not have to be pushed out in order to get the unit apart. If you do seperate the bottom plate from the inner assembly the little black nipples will have to be pushed back into the plate for reassembly. They do not go in very easily. I found it helps a little with a small dab of vaseline.

Neal - Yanıt

I replaced all the o-rings, but now it only pumps weakly at the lowest setting. It stops entirely at the higher setting. Wonder what I did wrong?

Shannon Murphy - Yanıt

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