How to Fix Power Washer Leaks

Written by troy pankey
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If you have borrowed a power washer and have discovered it leaks, don't get frustrated or surprised. Power washer leaks are common. A few specific areas on a power washer unit are more prone to water leaks. It is important to fix power washer leaks, too. Not fixing them results in loss of pressure in the system, additional costs for water and water runoff where it may be unwanted on the job.

Skill level:
Moderate

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Things you need

  • 2.0-mm (or smaller) flathead screwdriver
  • Ice pick, particularly one with a 45-degree bend just before its tip
  • Straight long nose needlenose pliers
  • Tabletop vice grip
  • O-rings

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Instructions

  1. 1

    Take apart the pressure washer trigger gun and its wand or lance. Place the pressure washer gun wand or lance into a tabletop vice grip, so that you have easy access to the quick-connect nozzle at the end of the wand.

  2. 2

    Use a 2.0-mm flathead screwdriver or ice pick to stick and remove the O-ring from the quick-connect nozzle at the end of a gun wand or lance. Use straight long nose needlenose pliers to pull the O-ring out of the quick-connect nozzle if you were not able to do so with only the flathead screwdriver or ice pick.

  3. 3

    Push a new O-ring into the centre of the pressure washer quick-connect nozzle with the flathead screwdriver, so as to get one part of it into the groove recess in which it functions. Push the rest of the O-ring into place by carefully using the flathead screwdriver to do so.

  4. 4

    Put the end of the pressure washer hose into the tabletop vice grip, so as to have easy access to the quick-connect female plug at its end. Stabilise the pressure washer hose if you don't have access to a tabletop vice grip.

  5. 5

    Use a 2.0-mm flathead screwdriver or ice pick to stick and remove the O-ring from the quick-connect female plug on the water pressure hose. Use straight long nose needlenose pliers to pull the O-ring out of the quick-connect female plug on the water pressure hose, if you were not able to do so with only the flathead screwdriver.

  6. 6

    Push a new O-ring into the centre of the quick-connect female plug on the power washer hose with the flathead screwdriver, so as to get one part of it into the recessed grooved in which it functions. Push the rest of the O-ring into place by carefully working it into place, one part of the O-ring at a time.

Tips and warnings

  • Bypass using the flathead screwdriver if the O-ring is partially deteriorated. Use the sharper ice pick to get the pieces of the O-ring out of its recess.
  • Be careful using both the screwdriver and the ice pick. It is easy to injure your hand trying to get out the O-ring.

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