How to Repair a Karcher Electric Pressure Washer

Repairing commonly repairable things on your Karcher electric pressure washer yourself is like putting money in the bank. A technician at a repair shop can cost you a premium hourly rate, to say nothing of the markup cost on parts. No matter, if it’s a simple rubber gasket on the pressure hose that needs to be replaced or a spring in a spray gun, save yourself money by buying the parts and doing the work yourself.

How to Repair a Karcher Electric Pressure Washer
How to Repair a Karcher Electric Pressure Washer (William Alan Photo/Demand Media)

Things You'll Need

  • Cross tip screwdriver
  • Flat tip screwdriver
  • Locking pliers

Pressure Hose Gasket

Step 1:

Visit pressureparts.com and locate the pressure hose gasket and any other Karcher electric pressure washer part(s) you need. Visit pressure-washer-parts.com, locate the part(s) you need, compare the final costs to you between the two pressure washer parts sites, and obtain your parts.

(William Alan Photo/Demand Media)
Step 2:

Pull out the locking slide on the trigger gun. Disconnect the pressure washer hose from the trigger gun.

(William Alan Photo/Demand Media)
Step 3:

Roll or pick from its recess the remaining deteriorated rubber gasket on the small end of the pressure washer hose.

(William Alan Photo/Demand Media)
Step 4:

Roll the new rubber gasket onto the small end of the pressure washer hose.

(William Alan Photo/Demand Media)

Trigger Gun Spring

Step 1:

Remove the screw in the side of the gun that holds the two plastic outer parts of the gun together. Split the two plastic gun handle parts apart.

(William Alan Photo/Demand Media)
Step 2:

Remove the closing screw from atop the trigger gun manifold. Remove the gasket beneath it, if it didn’t come up with the closing screw.

(William Alan Photo/Demand Media)
Step 3:

Pull the helical spring from the trigger gun manifold. Replace it with the new spring.

(William Alan Photo/Demand Media)
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