Nice RB600 Instructions And Warnings For Installation And Use page 9

d - adjust the gearmotor's height by tightening the adjust-
er grub screws: position the pinion at the right height by
leaving a gap of 1–2 mm from the rack (this so as to pre-
vent the gate leaf weight from bearing on the gearmotor)
g
e / f / g - release the gearmotor
h - manually open the gate leaf fully
h
h
1÷2 mm
i - place the first section of the rack on the gearmotor's
pinion: make sure that it corresponds to the start of the
gate leaf and that there is a gap of 1–2 mm between the
rack and the pinion (this so as to prevent the gate leaf h
g
weight from bearing on the gearmotor)
l - secure the rack section
1÷2 mm
English – 7