Before you open the tool housing, understand that the TE 17 is a precision instrument. It uses an electro-pneumatic (EP) impact mechanism—a complex system of pistons, O-rings, and air cushions. Guessing which part is broken can turn a $50 repair into a $300 replacement.
Before the TE 17, Hilti was known for its powder-actuated fastening tools like the hilti te 17 parts diagram
Identify the Generation: There were minor revisions to the TE 17 over its production life. Ensure your diagram matches your specific serial number. Before you open the tool housing, understand that