Disconnect the M-terminal (A) on the magnet switch assembly.
After loosening the 2 screws (A), detach the magnet switch assembly (B).
Loosen the brush holder mounting screws (A) and the trough bolts (B).
Remove the rear bracket assembly (A) and brush holder assembly (B).
Remove the yoke assembly (A).
Remove the packing (A), lever plate (B), lever (C), armature assembly (D).
Beware the direction of lever (A).
Press the stopper (A) using a socket (B).
After removing the stop ring (A) using stopper pliers (B).
Remove the stop ring (B), stopper (A), overrunningclutch (C) and armature (D).
Using a suitable pulling tool (A), pull the overrunningclutch stopper (C) over the stop ring (B).