# ST 224 Snowblower Maintenance Guide ## Verified Maintenance Specifications | Specification | Value | Source | |---------------|-------|--------| | Model/SKU | ST 224 (961 93 00-96) | NFM Operator Manual | | Status | Current production | Official Husqvarna support | | Oil Type | SAE 5W-30 | NFM Operator Manual (line 1784) | | Oil Capacity | 16 oz / 0.47 L | NFM Operator Manual (line 1785) | | Spark Plug Model | F6RTC or F7RTC | NFM Operator Manual (line 1787) | | Spark Plug Gap | 0.030 in / 0.762 mm | NFM Operator Manual (line 1788) | | Maintenance Interval | season or every 25 hours of use | NFM Operator Manual (line 1228) | ## Official Husqvarna Resources - [Operator Manual & Support](https://www.husqvarna.com/us/support/st224/) - [Parts & Accessories](https://www.husqvarna.com/us/support/st224/#spare-parts) ## Part Replacement Information The following parts are commonly replaced during maintenance. **Refer to your operator manual or official Husqvarna parts diagrams for exact part numbers.** | Component | Notes | |-----------|-------| | Shear Pin / Shear Bolt | Not verified in official sources - consult manual | | Shear Bolt | Not verified in official sources - consult manual | | Auger Belt | Not verified in official sources - consult manual | | Drive Belt | Not verified in official sources - consult manual | *Maintenance information verified from official Husqvarna sources. For parts replacement, always consult the Illustrated Parts List (IPL) for your specific model and serial number.*