7
INSTALLATION
Mounting plate slots allow the chain tension to
be adjusted through vertical movement of the
opener (see Left)
Mounting the Unit (continued)
Room needed for safe chain operation
Mounting Plate slots
Clear path for manual chain to hang downward
Mounting Plate
Drive Chain
The unit must be mounted accurately so that the
drive sprocket lines up with the shutter platewheel.
There is only a small allowance for adjustment of the
drive sprocket position on the output shaft. Fit the
correct length of drive chain around the drive
sprocket and platewheel.
Содержание Fire Shutter
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