Hilti does not always publish diagrams openly on consumer sites, but you can obtain the via:
Hilti’s official diagrams (available on hilti.com under “Service & Repair” → “Spare Parts”) use this format:
: The trigger assembly that handles electronic speed control. Torque Selector Button & Display
The Hilti SID 4-A22 contains high-tension springs in the impact mechanism and high-current batteries. If you are unsure about a repair, Hilti offers a comprehensive repair service that is often covered under their 2-year "No Cost" warranty (excluding wear and tear).
