Hilti Te 17 Parts Diagram May 2026

Oil Type: Historically, Hilti used a specific mineral oil. Modern equivalents like SAE 20 or non-detergent oils are often used by restorers, though original Hilti oil is always preferred.

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.

The Hilti TE 17 was one of the first tools to utilize the TE-C system, which is compatible with modern SDS Plus bits. hilti te 17 parts diagram

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. Oil Type: Historically, Hilti used a specific mineral oil

Identify the Generation: There were minor revisions to the TE 17 over its production life. Ensure your diagram matches your specific serial number.

Oil Fill Plug: Located on the top or side of the gear housing. Even though it is a vintage tool, many

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

Dust Shield: A rubber cap that prevents concrete dust from entering the locking mechanism.

One unique feature of the TE 17 is its oil-filled gearbox. While newer Hilti models use specialized grease, the TE 17 requires a specific grade of oil to function.