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Hilti is excellent about supporting their tools. While they prioritize professional repairs, they do offer public access to technical documentation. hilti sid 4 a22 parts diagram free
: This site lists specific part numbers for the SID 4-A22, such as the Electrical Unit (#2148040) and the Original Chuck (#2150017) . You can browse the list at XDrilled . If you want, I can: Hilti is excellent
Note: SID 4‑A22 is – no brush replacement. If you want
: This site hosts a digital conversion of the manual that often includes clearer diagrams of the assembly. Key Replacement Parts