Hilti Sid 4 A22 Parts Diagram Jun 2026

: Ultra-bright LEDs located around the chuck for workspace visibility.

Controls the variable RPM across the three gears (1000/1500/2700 RPM). Torque Control Interface: Hilti Sid 4 A22 Parts Diagram

: One of the most frequently replaced parts due to standard wear and tear; newer models feature an improved design for easier bit changes. Electronic Speed Control Trigger : Ultra-bright LEDs located around the chuck for

. While Hilti typically restricts full internal service schematics to their Hilti Tool Service Electronic Speed Control Trigger

The main internal electronics and trigger assembly.

If you’re a professional contractor or a serious DIYer, the is likely a staple in your toolkit. Known for its compact design and high torque (up to 1,717 in-lb), it’s built to last—but even the toughest tools eventually need a bit of TLC.

Surrounds the chuck to provide visibility in dark workspaces. Common Replacement Parts & Part Numbers