Sparks and smoking from an air compressor after installing new brushes could indicate a problem with the brush fit or alignment, or with the armature.
Here are some possible causes and solutions to try:
- Brush fit: The brushes may be too long or not fit properly, causing them to stick and spark. Try removing the brushes and inspecting them for proper length and fit. If necessary, trim them down or replace them with the correct size.
- Brush alignment: The brushes may not be making proper contact with the armature, causing them to spark. Try adjusting the brush holder or armature to ensure proper alignment.
- Armature issues: If the brushes and holder are properly aligned, the problem may be with the armature itself. It could be worn or damaged, causing it to spark and smoke. In this case, the armature may need to be repaired or replaced.
- Spring pressure: If the brush springs are too strong, they could be putting too much pressure on the brushes, causing them to spark. Try replacing the springs with lighter ones to see if this resolves the issue.
Note: It's important to use the correct type and size of brushes for your specific air compressor model. Using generic or incorrect brushes could cause damage or safety hazards.
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