Disconnect the M-terminal (A) on the magnet switch assembly (B).
After loosening the 2 screws (A), detach the magnet switch assembly (B).
Loosen the brush holder mounting screw (A) and through bolts (B).
Remove the rear bracket (A) and brush holder assembly (B).
Remove the yoke (A).
Remove the packing (A), lever plate (B), lever (C) and the armature (D).
Press the stopper (A) using a socket (B).
Remove the stop ring (A) using stop ring pliers (B).
Remove the stop ring (B), stopper (A), overrunning clutch (C) and armature (D).
Reassembly is the reverse of disassembly.
Using a suitable pulling tool (A), pull the overrunning clutch stopper (C) over the stop ring (B).