Operating instructions
– LBA4/6/7 – 2017 Version
69
18.6 Reversing the direction of the barrier
18.6.1
LBA4
To reverse the direction of the LBA 4, follow the procedure below:
A-
Remove the boom, then the top cover
B-
Remove the position sensors and the nut at the end of the shaft using a 36 mm spanner
C- Reverse the detection cam
D- Replace the shaft nut using a 36 mm spanner and the 2 sensors after having reversed them
(Opening becomes Closing and vice versa)
E-
Reverse the two phases for the variable frequency drive
F-
Put the boom back in place
G-
Readjust the position sensors (see paragraph “9.3 Adjustment of stops and sensors”)
B
C
D
F