Basic information
- Part name: Snowblower drive shaft retainer, left (Black Jack)
- Manufacturer: MTD
- Category: Snowblower drive and shaft components
- Primary function: Holds the left drive shaft in position to maintain proper alignment and rotation
Installation & compatibility
- Compatible models: Fits select MTD and Craftsman snowblowers; confirm compatibility using your models parts diagrams
- Installation difficulty: Medium; requires removing components as needed to access the shaft and install the retainer
- Tools required: Wrench set, socket set
Additional information
This snowblower drive shaft retainer, left (Black Jack), part number 790-00185-0691, secures the left drive shaft so it stays properly aligned and rotates smoothly within the frame assembly. The Black Jack finish helps resist corrosion and provides a finished appearance in the drive area.
If the drive shaft retainer bends, cracks, or becomes loose, the drive shaft can shift during operation, which may cause misalignment, vibration, or uneven engagement of the drive system. You might notice noise, resistance when driving, or irregular movement if the retainer does not hold the shaft securely.
Disconnect the spark plug wire before starting the repair to prevent accidental startup. Drive and shaft components can have sharp edges, so wearing work gloves can help protect your hands during installation. Make sure the retainer is seated correctly and all fasteners are tightened securely before using the snowblower.