Ryobi RLT26CDSE Original Instructions Manual page 20

OPERATION
REPLACING THE STRING HEAD
1. Turn off the product
2. Align the spanner along the flat side of arbor
flange washer.
3. Turn counterclockwise to remove the old
string head.
4. install the new string head, align the nut in the
string head to the connector shaft or lower
boom and turn the string head clockwise by
hand to tighten.
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