Disconnect the M-terminal (A) on the magnet switch assembly (B).

After loosening the 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) and armature (B).

Remove the lever packing (A).

Disconnect the planet gear (A).

Disconnect the planet gear shaft assembly (A) and lever (B).

Press the stopper (A) using a socket (B).

After removing the stop ring (A) using stop ring pliers (B).

Disconnect the stopper (A), overrunning clutch (B), internal gear (C) and planet shaft (D).

Reassembly is the reverse of disassembly.