Air Filter

The foam air filter helps trap dust, dirt and debris from entering the carburetor and the internal parts of your pressure washer’s gas-engine to help prolong the engine’s life.

If your gas-engine pressure washer is experiencing a lack of power then your pressure washer’s air filter might need to be cleaned or replaced.

The foam air filter must be soaked with clean engine oil every 3 months or 50 hours of use (10 hours under dusty conditions), whichever comes first. Otherwise, a dry or non-oiled air filter will only be able to trap large particles.

Follow this easy-to-follow instruction guide to learn how to replace the foam air filter on your Simoniz gas-engine pressure washer.

Specific model instructions and parts required for:

Simoniz 2700 PSI (Model: 039-8055-2/UG01)

Foam Air Filter (UG01-103-0002)

Simoniz 3200 PSI (Model: 039-8056-0/XG01)

Foam Air Filter (XG01-101-0000)

 

Tools/Materials Required:

  • Engine Oil (SAE 10W-30)

Repair Difficulty:

WARNING: BEFORE YOU START

Accidental starts can cause serious injury or death. Before performing repair, make sure machine is OFF and disable engine by disconnecting spark plug wire.

HOT PARTS CAN CAUSE SEVERE BURNS. DO NOT TOUCH ENGINE WHILE OPERATING, OR JUST AFTER STOPPING. Work on a LEVEL and FLAT surface.

Step 1: Removing Air Filter Cover

Locate the air filter cover on the pressure washer’s gas-engine.

Remove the air filter’s cover by either lifting a tab or unscrewing a butterfly nut depending on your pressure washer model.

Step 2: Removing the Foam Air Filter

Pull out the foam air filter carefully.

Step 3: Washing or Replacing the Air Filter

TO WASH THE AIR FILTER:
Wash the dirty air filter with high-flashpoint solvent such as mineral spirits or paint thinner. Squeeze gently to dry, avoid twisting or tearing the filter.

Lastly, soak the air filter in clean engine oil and then squeeze out the excess oil.

TO REPLACE THE AIR FILTER:
Wash the new air filter in clean water, then soak the air filter in clean engine oil.  Squeeze out any excess oil.

HELPFUL TIP: To prolong the life of your pressure washer’s air filter, clean it every 50 hours of use (every 10 hours, under dusty conditions).

Step 4: Reassemble the Air Filter

Lastly, put the cleaned, or new air filter back in place.

And reinstall the air filter’s cover.

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