How to Clean a Concrete Mixer

How you clean a concrete mixer depends on if the concrete inside the mixer is old or fresh. Cleaning a concrete mixer that has fresh concrete inside of it will be much easier when compared to cleaning a concrete mixer with old concrete inside of it. Fortunately, cleaning a concrete mixer can be done by following a few basic steps.

1. 
   

   Determine how long the concrete has been in the mixture. If the concrete is old concrete that has set, then it will have to be loosened up before the mixer can be cleaned. You loosen up hard concrete with a chemical mixture.

   
   


2. 
   

   Spray the inside of the concrete mixer with a high-pressure water hose. If a high-pressure water hose is not available, then you may use a regular water hose to spray the inside of the mixer.

   
   


3. 
   

   Use a cleaning brush to remove concrete from the outside of the mixer.

   
   


4. 
   

   Use crushed rock to remove any concrete that is stuck onto the inside of the mixer. Place the crushed rock inside of the mixer and run the mixer while you spray it with the hose.

   
   


5. 
   

   Pour the water and crushed rock out of the concrete mixer and inspect the insides. If there is still some hard concrete stuck on the inside of the mixer, then pour in some of the chemical mixture from step 1 back into the mixer.

   
   


6. 
   

   Let the mixture soak into the remaining concrete and then spray it down with the water hose. This will remove the last remaining pieces of concrete. Sometimes, the concrete can be particularly hard to clean from the mixer and will require that you repeat all the steps until the mixer is clean.