Installing Trimmer Head
Hexagonal
Wrench (3mm)
1. Align the hole in the boss adapter with the guide
slot in the bearing case.
2. Insert the hexagonal wrench (3mm) into the hole and
guide slot in the boss adapter and bearing case to lock
the attaching shaft.
3. Thread the trimmer head adapter onto the attaching
shaft, then tighten the trimmer head firmly by hand.
Bearing Case
Boss
Adapter
Attaching
Shaft
Trimmer Head
Adapter
Trimmer
Head
― US-11 ―