Unit Disassembly Procedure

CAUTION: Wear safety glasses in order to avoid eye damage.

IMPORTANT: Use a colored pencil or marker that will show on all parts.

1. Make alignment marks completely down one side of the starter motor in order to ensure proper alignment of all components during reassembly.
2. Remove the nut of the motor lead to the solenoid assembly.
2.1. Disconnect the motor lead from the solenoid assembly.
2.2. Reinstall the nut.
3. Remove the two through bolts.
4. Remove the two brush plate screws.
5. Remove the commutator end frame and the 0-ring seal.

IMPORTANT: Do not lose the small dowel pin installed between the frame assembly and the gear reduction and drive group. If the dowel pin is lost, replace the dowel pin with a 2 mm x 10 mm (0.079 in x 0.394 in) long pin obtained or manufactured locally.

IMPORTANT: The armature assembly may come off with the frame, field, and brush holder group, or the armature assembly may be retained by the gear reduction and drive group.
6. Remove the frame, field, and brush holder group, dowel pin, and O-ring seal.

IMPORTANT: Do not remove the bearings from the armature assembly unless replacement is required. Refer to Starter Motor Inspection (SD Series) or Starter Motor Inspection (28-MT Series). Testing and Inspection

7. Remove the armature assembly with the bearings.
8. Remove the solenoid screws.
9. Pivot the inside end of the solenoid assembly out of the engagement shift lever drive group.
10. Remove the solenoid assembly.