Optimum BF16 Vario Modification Instructions page 27

Modification BF20 to a ball bearing spindle
6.0.2 Loosen nut and disassemble toothed
wheel.
6.0.3 Unscrew the two screws of the cover
plate of the table X-axis left and right
hand side.
03 / 08 / 2006 Ball bearing spindle assembly and maintenance instruction ; Version 1.4.7
OPTIMUM
M A S C H I N E N - G E R M A N Y
Nut
Illustr.6-4: Loosen nut
Toothed wheel
Illustr.6-5: Disassemble toothed wheel
Cover plate
Screws
Illustr.6-6: Cover plate right hand side
Page 28