When do you need to change blade and carbon brush on ST-SP-LC Fabric End Cutting Machine
1.Blade: Blade must be replaced when it wears 3-4mm. Be sure the front faceof the knife when re-setting the knife. Words market face is the front face.

2.Carbon brush: When the motor runs not normally,should cut off the power and check the carbon brush. The carbon brush should be replaced when it wears to 5-6mm.

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