!!hot!! - Hilti+sid+4+a22+parts+diagram

While typically a technical document for maintenance, a parts diagram for a tool like the Hilti SID 4-A22 Go to product viewer dialog for this item.

Final notes

Always confirm part numbers with official Hilti documentation or a certified Hilti service center before ordering. Using authentic parts preserves tool safety, warranty, and performance. hilti+sid+4+a22+parts+diagram

5. The LED Light Assembly

• Part Name: Light Guide / LED Board.
• Hilti tools are famous for their work lights. The diagram will show a small LED board and a plastic "Light Guide" (a clear plastic tube) that directs light to the work surface. These are fragile and easily broken if the tool is dropped on its nose.

Using the Parts Diagram for Troubleshooting: A Symptom-to-Part Table

| Symptom | Likely Failed Part (Check Diagram Reference) | | --- | --- | | Bit falls out of chuck | Retaining ring (208532) or detent spring (338042) | | No power, battery works on other tools | Control board (340112) or trigger (224570) | | Jerky rotation, loud grinding | Planet gear (342019) or ring gear | | Dust ingress inside housing | Front seal (#208534) or battery port gasket | | Mode selector feels rough | Spring detent balls (#209543) or dial ramp wear | | LED light flickers | Flex cable (#344101) – often pinched | While typically a technical document for maintenance, a

• Item numbers (e.g., 15, 16, 17) refer to a numbered list in the margin.
• Dashed lines indicate an assembly group (e.g., all parts inside the impact mechanism are circled).
• Cross-hatching identifies bearings or grease-retaining components.
• Arrows show the direction of disassembly (e.g., pull chuck forward to release).

Summary Checklist for Ordering Parts

If you are looking for a part for your Hilti SID 4-A22, follow this order: Part Name: Light Guide / LED Board

2. The Motor and Gearbox Assembly

This is the heart of the impact driver.

• Armature
• Field magnet
• Gear set (planetary gear)
• Bearings

Here is a detailed parts diagram of the Hilti SID 4 A22: