Hyundai HCOMBIBP50 Instructions Manual page 22

Carter of protection (brushcutter and grass trimmer)
- Remove the two screws from the guard.
-On the brushcutter / lawnmower tube, place the protective cover on its support.
- Screw the protective cover with the two screws.
Installation of the 3-tooth metal blade (for operation of the brushcutter)
Warning - sharp edges; wear gloves when manipulate the blade.
-Insert a metal locking tool in the hole on the side of the drive sprocket and on the drive.
-Remove the retaining nut, the cover bell and the plate.
-Install in the following order, on the shaft: the blade, the plate, the cover bell and the retaining
nut.
-Remove the metal locking tool.
Installing the nylon cutting head (for trimmer operation)
-Insert a metal locking tool in the hole on the side of the drive sprocket and on the drive shaft.
-Remove the retaining nut, the cover bell and the plate.
-Install and screw the nylon cutting head. Make sure it is properly installed.
-Remove the metal locking tool.