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
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.
The Ram: This component receives the blow from the striker and transfers it to the TE-C (SDS Plus) bit. hilti te 17 parts diagram
Oil Fill Plug: Located on the top or side of the gear housing.
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
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.
Armature and Field Coil: These are the core electrical components. Look for burnt windings or "dead spots" on the commutator. The Ram: This component receives the blow from
Dust Shield: A rubber cap that prevents concrete dust from entering the locking mechanism.
Use Proper Tools: Many Hilti screws are Torx or specialized hex heads. Using the wrong screwdriver will strip the vintage hardware.