Insulated Brush

To replace insulated brush (20), first cut off old brush lead where it is attached to field coil wire. Coil wire must then be prepared for soldering on new lead. Lead should be soldered to back side of coils so that excessive solder will not rub on armature. Thoroughly clean coil lead end by filing or grinding off old connection. Varnish should be removed only as far back as necessary to make new solder connection. Using rosin flux, solder brush lead to field coil lead, making certain brush is in the right position to reach brush holders (See Figure 5L-10).

Do not over-heat brush lead or solder will run on wire strands and lead will no longer be flexible.

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