O-Rings and Seals: If your drill has lost its "hit," the O-rings on the piston (Part #72 or similar in most diagrams) are likely worn out. This causes air to bypass the piston, resulting in weak impact.
The Hilti TE 17 is a legendary rotary hammer drill known for its durability and "pumping" pneumatic action. Even though it is a vintage tool, many professionals and DIY enthusiasts continue to maintain these machines because of their robust build quality. Finding a clear Hilti TE 17 parts diagram is the first step in successful maintenance or repair.
Identify the Generation: There were minor revisions to the TE 17 over its production life. Ensure your diagram matches your specific serial number. hilti te 17 parts diagram
The Ram: This component receives the blow from the striker and transfers it to the TE-C (SDS Plus) bit.
Dust Shield: A rubber cap that prevents concrete dust from entering the locking mechanism. O-Rings and Seals: If your drill has lost
Gear Set: The helical gears convert the motor’s high-speed rotation into the slower, high-torque rotation required for masonry drilling. The Motor Assembly
The Piston and Striker: These are the most common wear items. The piston moves back and forth, creating a cushion of air that flings the striker forward. Even though it is a vintage tool, many
The heart of the Hilti TE 17 is the pneumatic impact system. Unlike modern electric drills that use a mechanical clutch, the TE 17 uses air pressure to drive a striker into the drill bit.
Gaskets: When opening the gearbox to consult the diagram, always replace the paper or rubber gaskets to prevent messy leaks. Tips for Using a Parts Diagram
When you find a Hilti TE 17 parts diagram, keep these tips in mind:
