21
The track rollers inserted in the bottom
bracket should always have a long
shank, as indicated in the diagram.
When placing the rollers in the
PRN-
120
model in turn will introduce two
caps
Pos (1)
along with the two
Position (2)
as shown in figure.
8.3 Bottom section assembly
This shall be performed as indicated in
the following figure.
Insert the wheel in the right vertical track, slightly tilting the bottom section and then
subsequently moving it in the direction indicated by the arrow.
MT10051002-GB /10-09-27
GB
RESIDENTIAL SECTIONAL GARAGE DOORS
INSTALLATION, USE & MAINTENANCE MANUAL
DOORS AND AUTOMATION SYSTEMS
PRN-120 model only
1
2
NO
Yes
