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How to Replace a Pressure Washer Suction Cover - Karcher

Pressure WashersIncludes video

Make and Model of Pressure Washer Used in This Video

Karcher K3 (1.601-813.0)

Part Used in This Video

Karcher Pressure Washer Suction Cover With Sv5

1. Remove wheels and casings

Then, remove the wheels.

Remove wheels and casings

Remove plastic outer casing

You need to remove all the screws holding the plastic outer housing shell in place. These might be tightly secured, so take your time.

Remove wheels and casings

Remove detergent tank holder

Then, remove the four screws holding the detergent tank holder in place at the bottom. You can then remove the pipe hose and the tank away from the pressure washer.

Remove wheels and casings

There will be two more screws that need to be removed. One on either side of the yellow housing.

Remove wheels and casings

2. Remove motor and old suction cover

Remove the detergent suction pipe hose and lift the motor up and out.

Remove motor and old suction cover

Remove suction cover

To remove the suction cover, twist it up and then away from the motor unit.

Remove motor and old suction cover

Remove the fine filter with a pair of lone nose pliers.

Remove motor and old suction cover

3. Install new suction cover

If needed, lubricate the seal with the provided silicone grease and replace the O-ring if faulty.

Then, push in your new fine filter until you hear it click.

Install new suction cover

You can then install the new suction cover as shown here.

Install new suction cover

4. Re-assemble casing

You can place the motor back in the casing and reattach the detergent suction pipe hose. Then, pop the plastic housing back on. For this to attach securely and easily, you may need to unscrew the four screws with a Phillips screwdriver on the black casing at the bottom of the handle.

Re-assemble casing

Then, go ahead and re-screw all the screws back into the plastic outer housing. And if you unscrewed the four screws on the bottom of the handle, also re-screw these in.

Re-assemble casing

Re-attach detergent tank holder

You can then re-attach the detergent tank holder and re-screw the four screws in.

Re-assemble casing

Re-attach detergent suction pipe hose

Then, attach the detergent suction pipe hose back to the detergent tank. 

Re-assemble casing

Re-attach wheels

Re-attach the wheels.

Re-assemble casing

And that’s it, your new suction cover is all set to go! 

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