While specific part numbers can change over production years, the functional grouping remains constant. Below is a typical breakdown based on the official Hilti TE 17 spare parts list.
| Problem | Likely Failed Part (Check Diagram) | Diagram Area | | :--- | :--- | :--- | | Tool runs but no hammering | Piston O-ring (worn or nicked) | Section 60-75 (Hammer Mechanism) | | Bits fall out of chuck | Locking balls or spring are broken | Section 80-90 (Chuck Assembly) | | Heavy sparking at rear | Carbon brushes worn out | Section 20-30 (Motor Assembly) | | Tool overheats after 2 minutes | Fan impeller broken or housing vents blocked | Section 20-30 | | Grinding noise when rotating | Needle bearing or intermediate gear wear | Section 40-55 (Drive Train) | | Trigger sticks or fails | Trigger switch mechanism | Section 100-110 (Electrical) | hilti te 17 parts diagram
Based on the parts lists and service manuals for the TE 17 and its successor, the TE 22, the core internal structure includes: While specific part numbers can change over production
Moving up the diagram, you encounter the electrical core. The TE 17 typically uses a TE-C chuck
The TE 17 typically uses a TE-C chuck system (or an older SDS variant depending on the specific generation).
Diagram Reference Numbers: 01, 02, 03