Hyundai HDBT32 Original Instructions Manual page 9

INSTALLING NYLON LINE CUTTER HEAD (FOR GRASS TRIMMING)
Align hole of the upper plate with hole in shaft and put a locking tool (such as a wrench).
Remove the locking nut and the lower plate.
Install the line cutter head by turning it counter clockwise until it is tight.
Remove locking tool.
To remove the cutting head, put a locking tool in the hole of the shaft. Then unscrew the cutting
head. This will have to be done tool off and cooled.
INSTALLING THE METAL BLADE (FOR BRUSHCUTTING)
When installing and removing the blade, pay attention to its sharp edges. Wear protective
gloves.
Align hole of the upper plate with hole in shaft and put a locking tool (such as a wrench).
Remove the locking nut and the lower plate.
Install the blade on the upper plate
Install the lower plate. Then, screw the locking nut to secure the installation.
Do the inverse steps to remove the blade.
INSTALLING THE SHOULDER STRAP
Hang the harness in its dedicated location on the tube. Adjust
the size of the harness properly to have a correct working
position.
Please do not use both functions at the same time. Before using the tool, check that the
tubes, cutting accessories and the harness are properly installed.
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