5
P R E P A R A T I O N
It is imperative that the wall or mounting surface provide
adequate support for the operator.
This surface must:
a. Be rigid to prevent play between operator and door shaft.
b. Provide a level base.
c. Permit the operator to be fastened securely and with the
drive shaft parallel to the door shaft.
The safety and wear of the operator will be adversely affected if
any of the above requirements are not met. For metal buildings,
fasten 2" x 2" x 3/16" (or larger) angle iron frames to the building
purlins. Retain 5-1/2" (13.97 cm) between frames.
Both J and H series operators have dual output shafts and may
be mounted on either the right (standard) or left side of door, and
in either a vertical (standard) or horizontal mounting position. If
you need to move the drive sprocket, loosen BOTH set screws,
remove the sprocket and key, and place on the opposite side of
the drive shaft. Be sure to tighten BOTH set screws securely.
HAND CHAIN HANDING
For models H and HJ with manual hoist hand chain systems, the
handing of the operator must be determined at the time of order.
The handing is indicated by last letter of the model name
(R or L). The hand chain wheel can not be switched on site. If
your installation causes the hand chain to hang in the door
opening, hook the chain off to the side near the top of the door
jamb.
To prevent possible SERIOUS INJURY or DEATH:
• DO NOT connect electric power until instructed to do so.
• If the door lock needs to remain functional, install an
interlock switch.
• ALWAYS call a trained professional door serviceman if door
binds, sticks or is out of balance. An unbalanced door may
not reverse when required.
• NEVER try to loosen, move or adjust doors, door springs,
cables, pulleys, brackets or their hardware, ALL of which are
under EXTREME tension and can cause SERIOUS PERSONAL
INJURY.
• Disable ALL locks and remove ALL ropes connected to door
BEFORE installing and operating door operator to avoid
entanglement.
ATTENTION
AVERTISSEMENT
AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNING
WARNING
PRECAUCIÓN
ADVERTENCIA
ADVERTENCIA
ADVERTENCIA
Door Sprocket
Shaft Support Bracket with
Bearing (Not Provided)
5 1/2" (13.97 cm)
(2) Set
Screws
Drive
Sprocket
Output Shaft
Key
Summary of Contents for H
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