Operator's Manual
Page 12
...Ryobi Expand-It attachments: RY15518 Edger RY15520 Pruner RY15523 Straight Shaft String Trimmer RY15525 Curved Shaft String Trimmer RY15550 Tiller RY15519 Blower NOTE: When using string trimmer attachments, use only .080 in accidental starting and possible serious personal injury. English INSTALLING AN ATTACHMENT TO THE POWER HEAD... be used with the guide recess on the attachment shaft. It is fully tightened before operating equipment; This electric power head may result in this product until the button locks into place. Tighten the knob securely. ATTACHING ...
...Ryobi Expand-It attachments: RY15518 Edger RY15520 Pruner RY15523 Straight Shaft String Trimmer RY15525 Curved Shaft String Trimmer RY15550 Tiller RY15519 Blower NOTE: When using string trimmer attachments, use only .080 in accidental starting and possible serious personal injury. English INSTALLING AN ATTACHMENT TO THE POWER HEAD... be used with the guide recess on the attachment shaft. It is fully tightened before operating equipment; This electric power head may result in this product until the button locks into place. Tighten the knob securely. ATTACHING ...