Makita EBH252U Original Instruction Manual page 23

(For Proulx)
First, stop the engine.
Hold the housing securely and turn the spool clockwise until the remaining nylon
cord retracts into the housing, and turn back and forth to relieve the cord stress.
Grasp the loop on top of the spool and pull it from the spool.
Prepare a nylon cord with the following specifications.
4.5 m (15 ft) length
2.4 mm (0.095") diameter round cord or 2.0 mm (0.08") diagonal square cord.
Align the arrow on the spool with the eyelets on the housing.
Insert one end of the nylon cord into eyelet on the side of the housing, feed
through hole on top of the spool and then re-insert into the second hole on top
of the spool. Push the nylon cord into holes until the cord feeds through eyelets
on side of the housing.
Push the nylon cord into holes feeding through eyelets on side of the housing
until equal length on both sides.
Hold the housing securely and turn the spool clockwise to wind the nylon cord
into the spool.
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