Optimum BF16 Vario Modification Instructions page 22

OPTIMUM
M A S C H I N E N - G E R M A N Y
4.2.5 Fasten the pulley wheel with the hexa-
gon socket screw item No. 16 (additio-
nally lock with a small quantity of loctite
601.)
4.2.6 Put the toothed belt item No. 13 on the
engine shaft and insert it into the hou-
sing from the right.
4.2.7 Correctly apply the toothed belt on both
pulley wheels and then fasten the
engine with the screws item No. 15.
4.2.8 Screw the covering plate item No. 9
with the screws item No. 14.
4.2.9 Do not fasten it too tight, as the lid is
made of plastic.
Page 22 Installation of step motors Adapter kit BF20 Vario; BF20L Vario ; Version 1.4.7
Installation of step motors
screw
pulley wheel
Fig.4-9: Assemble pulley wheel
housing
engine
Fig.4-10: Assembly toothed belt
cover
screw
Fig.4-11: cover
3 / 08 / 2006