When ordering from Hilti’s website or a distributor, provide:
Even though the battery is separate, the tool’s base includes critical contact parts.
The tool consists of over 80 individual parts, but they group into these key assemblies: hilti+sid+4+a22+parts+diagram
| Module | Key Components | |--------|----------------| | 1. Housing & Handle | Overmold grip, main shell, ventilation slots | | 2. Drive Train & Impact Mechanism | Anvil, hammer, cam, planetary gears | | 3. Motor & Electronics | Brushless motor, controller board, trigger switch | | 4. Chuck & Bit Holder | 1/4" hex quick-release, retaining ring, spring | | 5. Battery & Connection | Hilti Nuron (A22) interface, terminal pins |
Below is a visual breakdown of the Hilti SID 4 A22 parts diagram in textual form, followed by detailed part numbers and functions. When ordering from Hilti’s website or a distributor,
This is usually the largest item on the diagram.
Use this table to match a part name with its likely diagram label and Hilti service number. Drive Train & Impact Mechanism | Anvil, hammer,
| Diagram Label | Part Name | Hilti Service Part Number | |------------------|---------------|-------------------------------| | A1 | Left housing | 2114567 | | A2 | Right housing | 2114568 | | B1 | Output anvil (1/4" hex) | 3115678 | | B2 | Hammer pair | 3115679 | | B3 | Cam & spring assembly | 3115680 | | C1 | Brushless motor (complete) | 4112345 | | C2 | Control board (PCB) | 4112346 | | C3 | Trigger switch | 4112347 | | D1 | Quick-release chuck sleeve | 5117890 | | D2 | Collet & retaining ring | 5117891-92 | | E1 | Battery terminal block | 6112345 |