Hilti+sid+4+a22+parts+diagram Page

Note: The search term "Hilti SID 4-A22" appears to be a combination of two different Hilti tools. The SID 4-A22 does not exist as a single model number.

• Retaining ring (208532) – Often lost during bit changes.
• Spring for detent pin (338042) – Weakens over 2 years.

• Belt clip
• Bit holder / magnetic sleeve
• Rubber bumpers or protective covers

Forward/Reverse Selector: A switch with a safety lock position (middle) to prevent accidental activation during transport. hilti+sid+4+a22+parts+diagram

1. Housing & Mechanical Components (Parts 1-15)

• Main housing (left/right shells) – Includes the soft grip overlay.
• Forward/Reverse selector switch – Small cam and spring mechanism.
• Light ring (LED) – Around the chuck.
• Bit holder / chuck – ¼" hex; often a common failure point.

1. Locate Serial Number: Found on the rating plate (silver sticker).
2. Identify Symptom: (e.g., "Chuck won't hold bit" = Bit Holder; "Tool spins but no impact" = Impact Mechanism).
3. Consult Diagram: Match the part number to the schematic.
4. Verify Compatibility: Ensure the part number matches your serial number range.

• Motor and Gearing: