What should you check in the MPII when selecting the recommended brush size for hole cleaning?

When selecting the recommended brush size for hole cleaning as part of the adhesive anchor installation process, checking brush wear is crucial. The condition of the brush directly impacts its effectiveness in adequately cleaning the hole. A worn brush may not have the necessary stiffness or bristle density to effectively remove dust, debris, and any other contaminants from the hole, which is essential for ensuring optimal adhesive bond strength.

Using a properly worn brush ensures that the cleaning process removes all necessary materials to create a suitable surface for the adhesive to bond with the substrate. Inadequate cleaning due to brush wear can lead to decreased adhesive performance, which could compromise the integrity of the anchor installation.

In contrast, factors such as brush color, brand, or weight do not influence the functionality regarding the hole cleaning process. These aspects may be relevant in other contexts but do not directly affect the effectiveness of the brush when it comes to the cleanliness of the insertion hole. Focusing on the wear of the brush ensures that proper hole cleaning techniques are followed, contributing to the overall success of the anchor installation.