Hilti Sid 4 A22 Parts Diagram -

| 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 |

: Includes the torque selector button, torque display, and the 22V battery connection point. Sourcing Parts & Documentation Hilti Sid 4 A22 Parts Diagram