Mercury Electric Outboards 222 Thruster Service Manual, Page 26Get this manual
"TM" MODEL Reassembly
REASSEMBLY
1Clean old Loctite from threads on vertical shaft and threads in motor housing2Place nylon ring (a) into shaft3Feed motor wires up thru vertical shaft4Apply Loctite 271 to threads on vertical shaft5Tighten motor assembly hand tight to contact nylon ringthen add an additional 90 to 180 turn to align one set of holes (c) in top of shaft with centerline of motor assembly