Sid 4 A22 Parts Diagram | Hilti

or your local region's portal can often unlock technical documents and spare part ordering. Instruction Manuals

A: “Not Serviced” or “No Stock.” Hilti expects you to replace a larger assembly. For example, the rotor (10) might be N.S. – you must buy the motor (10+11+12 as a module).

: Features a new design for precise speed control and is a frequent focus for cleaning or replacement if the tool hesitates. Housing & Ergonomics

Pull the metal nose cone forward and away from the motor assembly. The internal hammer, anvil, and spring can now be slid out of the gear housing for cleaning, inspection, and lubrication. Step 5: Clean and Rebuild

: Houses the 1/4" hex chuck and the four-LED light ring.

To help find the exact or ordering codes for your specific repair, please let me know:

Located at the base, this allows you to toggle between three power settings.

A parts diagram—also called an exploded view schematic—shows the tool with all its internal and external components separated but aligned in their correct positions. Each part is assigned a specific number that corresponds to a manufacturer part number.

For more in-depth repairs, you might need other components:

The Hilti SID 4-A22 cordless impact driver is a powerhouse tool built for high-torque fastening applications. Even the most durable tools experience wear and tear over time. When your impact driver needs maintenance, having a clear understanding of its internal anatomy is crucial.