Nice RB600 Instructions And Warnings For Installation And Use page 8

02. Secure the two anchor bolts to the foundation plate with
one nut above and one below the latter.
Tighten the lower nut in such a way that the upper
thread protrudes by roughly 25/35 mm.
03.
Cast the concrete to secure the foundation plate.
Before the concrete hardens, make sure the
foundation plate is perfectly level and parallel to the
gate leaf.
04. Wait for the concrete to harden.
05.
Secure the gearmotor:
a - remove the top nuts of the anchor bolts
b - place the gearmotor on the anchor bolts: make sure
that it lies parallel with the gate leaf
c - insert the washers and nuts provided and tighten them
slightly
6 – English
25 – 35 mm