These maintain the air pressure in the pneumatic system. Worn O-rings are the primary cause of lost hammer performance. 3. Gearbox and Transmission
Due to its age, many internal parts like seals and bearings are non-standard. The TE 17 specifically uses an oil-filled
Controls the power input; though the TE 17 is more mechanical than modern digital tools, the trigger assembly remains a key component. Visual Reference Hilti TE17 not hammering. | irate4x4 Forums irate4x4 Forums
The first line of defense when the motor stops turning or sparks excessively. hilti te 17 parts diagram
Since Hilti no longer provides these directly on their modern website, you can use these resources: Instruction Manuals: Sites like ManualsLib
Never pack the pneumatic cylinder with heavy automotive grease. Doing so will create hydraulic lock, preventing the flying piston from moving and completely destroying the tool's ability to hammer. Cleaning and Reassembly Hints
Using the diagram as a checklist, perform this 6-month service: These maintain the air pressure in the pneumatic system
Key components you’ll typically find in these diagrams include: The heart of the 450W motor.
To keep this vintage workhorse running at peak performance, understanding its internal mechanics is essential. A detailed parts diagram is your best roadmap for troubleshooting, ordering replacement components, and performing DIY maintenance. Why You Need a Hilti TE 17 Parts Diagram
This area is highly prone to concrete dust infiltration. The diagram shows how to strip the chuck to clean out grit and apply fresh grease. 2. The Electro-Pneumatic Piston Mechanism Gearbox and Transmission Due to its age, many
If the hammer is running but not impacting, focus on the piston and O-rings.
Keeps components aligned and houses the lubricant. Ball Bearings: Ensure smooth operation of rotating parts. 4. Chuck and Housing (Exterior)
The internal mechanism of the TE 17 is complex, consisting of an electrical motor section and a mechanical hammering assembly. Major parts found in standard diagrams include:
Contact Hilti Online Support with your tool’s serial number (found on the rating plate) – they will provide the exact revision diagram for your specific TE 17 version.
The Hilti TE 17 is a powerful and versatile rotary hammer drill that's widely used in the construction industry. Understanding its inner workings and components, as illustrated in the parts diagram, is essential for proper maintenance, repair, and optimal performance. By familiarizing yourself with the TE 17's components and functions, you'll be better equipped to troubleshoot issues, perform routine maintenance, and get the most out of your tool.