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5. Place ends of line in the two notches (B) molded in the spool with
12.5 to 15.2 cm (5 to 6 in.) protruding.
6. Place spool in housing against spring; thread line ends through
housing eyelets (C)
7. Align cover arrow with housing tab; push down on cover and twist
clockwise until cover locks in place.
8. Pull both lines out and trim to cut-off knife length.
Before installing, test head. Push center button while pulling on
both lines. Trimmer line should advance approximately 1 (one) inch.