Nice RD400 Instructions And Warnings For Installation And Use page 6

Before installing the system, check the gearmotor's overall dimensions (Fig. 3) and installation measurements (Fig. 4):
3
4
0 – 10 mm
192 mm
01.
Dig the foundations and arrange the tubes for the electri-
cal cables
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.
4 – English
300 mm
330 mm 0 – 50 mm
195 mm
0 – 50 mm 330 mm
0 – 10 mm
192 mm
25 – 35 mm