Optimum BF16 Vario Modification Instructions page 13

Assembly
3.3.4 Remove the two nuts of the shaft with a
sickle spanner.
3.3.5 Unscrew the screws from the lid and
remove the lid.
3.3.6 Remove the bearings from the lid.
3.3.7 In order to avoid soiling put the bearing
on a clean cloth and protect it from
dust.
3.3.8 Before inserting the axial deep groove
ball bearing, grease it again.
3 / 08 / 2006
sickle spanner
distance ring
Assembly Adapter kit BF20 Vario; BF20L Vario ; Version 1.4.7
OPTIMUM
M A S C H I N E N - G E R M A N Y
nut
Fig.3-16: Disassemble nut
screws
lid
Fig.3-17: Disassemble lid
bearing
Fig.3-18: Bearing
Page 13