Carbon Motor Brushes (2-Pack) - Bernina Part #324.250.080 - Old Style Motor
Carbon Motor Brushes (2-Pack) - Bernina Part #324.250.080 - Old Style Motor is backordered and will ship as soon as it is back in stock.
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838 S. Tamiami Trail
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Carbon Motor Brushes (2-Pack) - Bernina Part #324.250.080 - Old Sty...
Description
Description
Replacement Carbon Motor Brushes for Bernina Old Style Motors (2-Pack)
Set of two replacement carbon motor brushes with springs for select Bernina sewing machines with old style motors. These essential components conduct electricity to the motor's rotating armature, ensuring optimal motor performance and longevity for your vintage Bernina machine.
Product Specifications
- Part Number: 324.250.080
- Quantity: 2 brushes with springs
- Size: 3.8mm x 4.3mm each
- Motor Type: Old style Bernina motors
- Compatibility: Select Bernina 700 and 800 series models (see list below)
Compatible Bernina Models (Old Style Motor)
730, 801, 801S, 802S, 803S, 808, 809, 810, 811, 817, 819, 830 Record, 831, 832, 840, 850
Key Features
- Complete Set: Includes 2 carbon brushes with springs - replace both at the same time for optimal performance
- Essential Maintenance: Carbon brushes are wear items that need periodic replacement to maintain motor function
- Old Style Motor: Specifically designed for vintage Bernina old style motors
- Optimal Performance: Fresh brushes ensure proper electrical contact and smooth motor operation
- Extended Motor Life: Regular brush replacement prevents motor damage and extends machine longevity
When to Replace Your Carbon Motor Brushes
- Motor runs intermittently or stops unexpectedly
- Motor sparks excessively or makes unusual noises
- Loss of motor power or reduced speed
- Brushes are worn down to 1/4 inch or less in length
- Motor won't start or runs erratically
- Visible wear, chipping, or damage to brush surface
- As preventive maintenance every few years of regular use
Why Carbon Motor Brushes Matter
Carbon motor brushes are critical wear components in your Bernina's motor. They conduct electricity to the rotating armature, allowing the motor to run. As the motor operates, the brushes gradually wear down from friction against the commutator. When brushes become too worn, the motor will lose power, run erratically, or stop working entirely. Regular replacement of carbon brushes is essential preventive maintenance for vintage Bernina machines.
Installation Tips
- Always replace both brushes at the same time, even if only one appears worn
- Check brush length - replace when worn to 1/4 inch or less
- Clean the commutator surface when installing new brushes
- Allow new brushes to seat properly during initial use
- Keep spare brushes on hand for future maintenance
About Old Style Bernina Motors
These carbon brushes are specifically designed for Bernina's old style motors found in vintage 700 and 800 series machines. These classic Bernina models were built with robust, serviceable motors designed to last generations with proper maintenance. Regular carbon brush replacement is one of the most important maintenance tasks to keep these vintage machines running smoothly.
Note
This is a quality replacement carbon brush set designed to meet original specifications. Verify your model number before ordering to ensure proper fit. This product is for old style Bernina motors only - newer models may use different brush sizes. Installation requires opening the motor housing - some mechanical knowledge is helpful.
Specifications
Specifications
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