Magnetic Switch Assembly Replacement

1. Disconnect the Lead Wire

(a) Move the dust protector aside, remove the nut and disconnect the lead wire from the magnetic switch terminal.





2. Remove the Field Frame with the End Cover and the Armature

(a) Remove the 2 through bolts and the field frame with the end cover and the armature.





(b) Hold the magnetic switch assembly as shown and pull the field frame down carefully.

NOTE:
Do not separate the armature from the field frame and brush holder in the end cover.

If the field frame is not pulled down carefully, the armature drive end bearing may stick in the gear reduction housing. Do not damage the 0-ring and the front bearing.





3. Remove the Magnetic Switch Assembly from the Gear Reduction Housing

(a) Hold the magnetic switch assembly in a bench vise and remove the 2 screws.

NOTE:
Use protective vise jaws or shop towels in the vise to avoid any damage to the housing.





(b) Use an impact screw driver with No. 3 Phillips bit to remove the 2 screws.





(c) To separate the magnetic switch assembly from the gear reduction housing, hold them as shown with the gear reduction housing down. If sticking, hit lightly with a plastic hammer.

NOTE:
Don't let the roller bearings, gears, or clutch assembly fall out. Leave the steel ball and spring in the starter clutch assembly.