Bosch Starter, Disassemble and Assemble
Disassemble
If fitted: Remove support from starter.
Remove bearing cap from collector.
Remove armature retaining clip (3) and spacer washer(s) (2) from armature shaft, note rubber seal (1).
Remove collector bearing.
Remove stator mounting screws (4).
Remove brush holder plate from armature.
Using ad hoc remover hook (bent electrode wire), remove positive carbon brushes (arrows) from brush holder.
Remove field windings connection from solenoid switch.
Unscrew solenoid switch (1) from drive bearing, pull back and detach.
Remove stator. Unscrew nut (2). Remove axle for engaging lever - unscrew. Remove sealing plate (3).
Remove armature with engaging lever (1) from drive bearing.
Remove engaging lever.
Knock back retaining ring (2) on armature shaft.
Remove snap ring (1) - pliers.
Remove retaining ring (2) and washer (3).
Remove free wheel with pinion.
Assemble
Lightly coat sliding parts with grease (brown).
Install free wheel with pinion, washer and new snap ring.
Press retaining ring over snap ring with 2 wrenches.
Insert armature with engaging lever into drive bearing.
Sealing plate - install with metal side to drive bearing.
Install collector bearing - note alignment of bores in brush holder.
If present: attach brace to starter.