Hyundai HYBC5200 User Manual page 15

2.8. Cutter head assembly. (Machine is supplied with a 3 and 8 toothed blade).
2.8.1. You should wear safety gloves when handling the blades.
To fit the cutter blade you will need to remove the trimmer head.
Once the trimmer head is removed select either the 3 or 8 toothed blade.
Remove the plastic blade protective guard (retain for future use) and mount onto the shaft.
Fit drive spacer as below.
Fit blade. Make sure blade is correctly slotted onto shaft.
Page 15 Rev 3 - September 2016