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4. INSTALLATION
All medium duty OPERA jackshaft operators are tested and adjusted at the factory. When installing your
unit, please note that the cams are resting in the center of the cam-shaft.
The OPERA operator has a dual output shaft and may be mounted on either the left or right hand side of
a sectional door (see Figure 2 and Figure 3). Place sprocket on either the right or the left end of the
output shaft according to the desired handing.
The Opera-MH comes with a chain hoist located on the right of the operator. If handing requires the
chain hoist to be on the left (rolling doors, left operator hood mounting for ex.), it must be requested at the
time of ordering. Do not attempt to change handing of the chain yourself.
Figure 2 Left side Figure 3 Right side
4.1 IMPORTANT INSTALLATION INSTRUCTIONS
WARNING
TO REDUCE THE RISK OF SEVERE INJURY OR DEATH, READ AND FOLLOW ALL INSTALLATION
INSTRUCTIONS.
1. Installation of this door operator must be done by a qualified installer.
2. Insure that the door is properly installed and works freely in both directions. Do not install the
operator until all door problems have been corrected. If necessary, oil all moving parts (chains,
rollers, guides, etc.).
3. Remove all old accessories (locks, bolts, etc.) before installing door operator.
4. Do not connect the operator to a source of power until instructed to do so.
5. Locate control push-button station within sight of the door, at a minimum height of 5 ft. (1.5 m) so
small children cannot reach it, and away from all moving parts of the door.
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