Grifco Fire Shutter - Page 7

7
INSTALLATION
Mounng plate slots allow the chain tension to
be adjusted through vercal movement of the
opener (see Le)
Mounng the Unit (connued)
Room needed for safe chain operaon
Mounng Plate slots
Clear path for manual chain to hang downward
Mounng Plate
Drive Chain
The unit must be mounted accurately so that the
drive sprocket lines up with the shuer platewheel.
There is only a small allowance for adjustment of the
drive sprocket posion on the output sha. Fit the
correct length of drive chain around the drive
sprocket and platewheel.