6
Mounting the Unit (continued)
Side room to imposing structures (see l
e�
)
Note: The operator limit housing requires adequate clearance to allow
s
etti
ng of limit cams during install
ati
on. 150mm is the minimum recom-
mended clearance between wall and lid.
Room needed for safe chain
opera�
on
3
Ensure the mou
n�
ng po
s�i
on allows the hand chain to
hang free of obstru
c�
ons (see right)
Ensure hand chain is not twisted when making the
join!
150mm Minimum
4
The drive sprocket must be aligned with the door sprocket,
and locked using 2 x M8 hi-tensile grub scr
ews �
ghtened to
min 20Nm. Grub screws must be set between 90
0
and 120
0
apart, with one grub screw lying over the drive key.
Chain tension should be set between 10-20kgs, ensuring
both sides of the linkage are taught. Where
prac�
cable, use
the weight of the operator as a preload, the
n �
ghten
moun�
ng bolts. ½’ x 1 ¼’ fasteners should be between to
80-90Nm min.
5
Breather plug must be
removed
a�
er installa-
�on
INSTALLATION
