Sid 4 A22 Parts Diagram - Hilti

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).

A: The serial number is not on the diagram. It’s on the tool’s rating plate. You must match the first four digits of the serial to the diagram revision (e.g., 4702xxxx uses diagram rev. C). Conclusion: Master Your Repair with the Diagram The Hilti Sid 4 A22 parts diagram is more than a technical drawing—it’s a roadmap to extending the life of a high-performance tool. By understanding the exploded view, from the hex chuck (01) to the control board (13), you can diagnose issues with precision, order exactly what you need, and avoid costly service fees. Hilti Sid 4 A22 Parts Diagram

If your Sid 4 A22 feels like a standard drill (no impacting), the hammer (03) or the cam spring is likely broken. The diagram shows how these interlock—replace as a set. Section B: Planetary Gearbox (Transmission) | Diagram Reference | Part Name | Function | Common Issue | |------------------|-----------|----------|---------------| | 06 | Ring Gear (Annulus) | Outer gear of planetary system | Stripped internal teeth | | 07 | Planet Carrier (Stage 1 & 2) | Holds planet gears | Cracked carrier arms | | 08 | Sun Gear (Input) | Connects motor shaft to first stage | Excessive wear (noise) | | 09 | Needle Bearing | Reduces friction on carrier | Seizure due to lack of grease | A: “Not Serviced” or “No Stock