Diagram | Hilti Te 17 Parts

The Hilti TE 17 is a legendary electro-pneumatic rotary hammer. While Hilti has since replaced it with newer models like the TE 2 and TE 4, thousands of TE 17 units remain in active service on job sites worldwide. Known for its robust 800-watt motor and reliable hammering mechanism, this tool is a favorite for drilling anchor holes in concrete up to 1 inch in diameter.

However, even Hilti tools wear out. When your TE 17 loses power, leaks oil, or stops hammering, you have two options: scrap a $500+ tool or repair it. To repair it, you need a Hilti TE 17 parts diagram. This article breaks down every major assembly, explains the function of key components, and tells you where to find authentic diagrams.

| Symptom | Part to Look For on Diagram | Approx. Diagram Zone | | :--- | :--- | :--- | | Drills but doesn’t hammer | Impact mechanism O-ring (often #42) | Middle section | | Smoke & speed loss | Carbon brushes (usually #111 & #112) | Rear electrical area | | Bit falls out | SDS locking balls (often #78) & spring (#79) | Front nose assembly | hilti te 17 parts diagram

Once you’ve identified the part number from your Hilti TE 17 parts diagram, you have three options:

Critical Part Numbers from the TE 17 Diagram: The Hilti TE 17 is a legendary electro-pneumatic

The TE 17’s gray housing isn’t just plastic. Look for the vibration-damped handle components (coil springs and rubber buffers). On the diagram, these are usually clustered near the rear handle. If your hands go numb after 10 minutes, these parts are shot.

The Hilti TE 17 is a corded SDS-plus rotary hammer/drill known for durability and serviceability. Below is a deep breakdown of its major assemblies, common wear parts, diagnostics, and maintenance tips for repairers and DIYers. Critical Part Numbers from the TE 17 Diagram:

Moving forward in the diagram, you encounter the mechanical transfer of power. The Gearing Group is where the high RPM of the motor is converted into the torque needed for drilling.

The schematic details the Grease Chamber, which houses the primary pinion and the main gear. For anyone attempting a repair, this section of the diagram is crucial for ordering the correct seals and gaskets. A common failure in older TE 17s is grease leakage; the parts diagram identifies the exact O-rings needed to reseal the housing, preventing the catastrophic lubrication loss that kills gears.

To get a genuine, high-resolution diagram: