Posted based on a query on Pacific Automotive Network.
1. Remove all external wiring and mark each wire end.
2. Remove the pulley or coupling and note the distance between the coupling and the bushing block.
3. Remove the collector side end cover and bearing cover screws, then open the end cover.
4. Open the collector side end cover vent window, remove the brush from the brush holder, remove the connection to the brush rod and mark it.
5. Before disassembling the collector side end cover, mark the joint between the end cover and the machine base, place a wooden board on it, and tap the edge of the end cover evenly with a hammer to stop. the end cover separated from the machine base and the outer ring of the bearing.
6. Remove the end cover screws from the extens sideion of the shaft and remove the armature and stator core end cover.
7. Remove the bearing screws from the shaft extension side and remove the outer bearing cover, end cover and bearing.