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Summary of Contents for HE&M Femi 782XL
- Page 1 ARMATURE CLEANING FOR FEMI 782XL,782XLH & ABS-105 UTILITY SAWS...
- Page 2 Femi Utility Saw 782, 782XLH, and ABS105 Armature Cleaning If the motor will not start, or runs sluggish, or only starts when the arm is up, or possibly sparks are visible through the vents in the motor cover (and the electric power supply has been checked), a possible issue could be that there is a “glaze”...
- Page 3 Using two small flat blade screw drivers, pull up on the fan that is pressed onto the motor Remove the fan. Now lift of the thin ‘Dust Cover’ that sits beneath the fan and set it aside...
- Page 4 The “Commutator” is essentially a set of copper ‘plates’ that spin with the motor shaft along with the armature and that contact the carbon motor brushes As the carbon brushes wear, the carbon collects on the commutator. This “glaze” will prevent good contact with the brushes and can lead to poor motor performance or even failure.
- Page 5 Gently pry the motor brush out of the motor housing using a small flat blade screw driver on the brass motor brush holder-receptacle. Once the motor brush is loose, pull it the rest of the way out with your fingers. The two photos below point out the carbon surface that rides against the copper plates on the commutator in the photo lower left.
- Page 6 Repeat the motor brush removal process by gently prying out the second motor brush receptacle on the opposite side of the motor housing. The next part of the process involves spinning the armature shaft which can be accomplished by hand, but is more efficient if performed with a slow speed electric drill. Care must be taken not to get fingers into the slot that allows access to the commutator.
- Page 7 Fold a piece of fine grit abrasive cloth to make it rigid enough and small enough to fit into the slot on the motor housing. Spin the motor/armature shaft while holding the abrasive cloth against the copper plates on the commutator.
- Page 8 After both of the motor brushes have been reinstalled and seated, reinstall the thin dust cover on top of the motor housing. After the dust cover is set on top of the motor housing, reinstall the fan with the fan fins on the bottom, facing the motor.
- Page 9 Once the fan is pressed onto the motor shaft, spin the fan by hand and verify that there is not any contact between the fan and dust cover under it. Reinstall the motor cover being careful not to pinch any of the wires. When the motor housing is properly aligned on the motor housing, reinstall the two fastener screws the...
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