These sit on opposite sides of the motor commutator. They wear down naturally over time. If they fall below a certain length, the tool will stop running to prevent motor damage.
The mechanism that holds the drill bit in place. 3. The Piston and Striking Mechanism
Intermittent running, sparking inside housing, or complete loss of power. Maintains air compression
The hammering mechanism is located here, often requiring specific Hilti oil (40 ml) for maintenance. 2. Motor & Internal Components hilti te 17 parts diagram
The TE 17's design is complex, utilizing oil lubrication rather than grease for many of its internal mechanical parts.
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.
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 These sit on opposite sides of the motor commutator
is a vintage model, official documentation can be scarce. However, community-driven platforms and specialty parts suppliers are excellent resources:
Websites specializing in tool breakdowns offer highly detailed, zoomable PDF copies of the original TE 17 exploded view.
Replacement chucks and rods are commonly available for these models. The mechanism that holds the drill bit in place
The Hilti TE 17 relies on a complex electro-pneumatic design. Unlike standard mechanical hammer drills that use ridges to create a vibration, the TE 17 uses a piston and ram assembly driven by an electric motor. This creates a cushion of compressed air that delivers massive impact energy directly to the drill bit.
Intermittent power or excessive sparking inside the casing usually means the carbon brushes are completely worn down and need replacement. Step-by-Step Guide to Reviewing the Schematic
Key components you’ll typically find in these diagrams include: The heart of the 450W motor.