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6
1a. Wall Mounting
The operator should generally be installed below the
door shaft, and as close to the door as possible. The
optimum distance between the door shaft and
operator drive shaft is between 12” - 15”. Refer to
Figure 3.
OPERATOR MOUNTING
IMPORTANT: The shelf or bracket must provide
adequate support, prevent play between operator and
door shaft, and permit operator to be fastened securely
and with the drive shaft parallel to the door shaft.
1b. Bracket or Shelf Mounting
The operator may be mounted either above or below
the door shaft. The optimum distance between the
door shaft and operator drive shaft is between 12” -
15”. Refer to Figure 4.
Typical Right Hand
Wall Mounted Operator
OPTIONAL (LGJ)
Mounting Bracket
P/N 1090951
Be sure door sprocket is
properly aligned with drive
before securing to
the shaft.
Chain Keeper
OPTIONAL (MGJ)
Mounting Bracket
P/N 1A4324
FIGURE 4
FIGURE 3
Before your operator is installed, be sure the door has been properly aligned and is working smoothly. The operator may
be wall mounted or mounted on a bracket or shelf. If necessary, refer to the operator preparations on page 3. Refer to
the illustration and instructions below that suits your application.
FIGURE 5
1c. Place door sprocket on the door shaft. Do not insert
the key at this time.
2. Wrap drive chain around door sprocket and join
roller chain ends together with master link.
3. Raise operator to approximate mounting position and
position chain over operator sprocket.
4. Raise or lower operator until the chain is slightly taut
(not tight). Make sure the operator output shaft is
parallel to door shaft and sprockets are aligned.
When in position, secure the operator to wall or
mounting bracket.
5. Align sprockets and secure, (see Figure 5).
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