17 Parts Diagram - Hilti Te

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.

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

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. hilti te 17 parts diagram

Locking Sleeve: A spring-loaded collar that holds the bit in place.

Understanding the internal components is essential for troubleshooting issues like loss of impact power, oil leaks, or motor failure. This guide breaks down the major sections of the TE 17 assembly and provides a comprehensive look at the parts you will encounter during a teardown. The Gearbox and Impact Mechanism The heart of the Hilti TE 17 is the pneumatic impact system

The TE 17 features a classic universal motor. Because these tools are often decades old, the motor is usually the second area to check if the tool is underperforming.

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. The Motor Assembly One unique feature of the

Cooling Fan: A plastic or metal fan sits on the armature shaft to pull air through the housing. Ensure it is free of dust buildup to prevent overheating. The Chuck and Front End (TE-C System)