LiftMaster SL585UL Installation Manual - Page 13

Step 2 Attach the Chain, NOTE ABOUT SOME TYPES OF CANTILEVER GATES

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INSTALLATION Step 2 Attach the Chain DO NOT run the operator until instructed. 1. Mount gate brackets to the vertical front and rear posts of the gate. 2. Remove the operator cover. 3. Locate and engage the manual release handle and lock it in place. 4. Connect the chain to the rear bracket with the provided hardware. 5. Ensure that the drive and idler sprockets are in line with each other. Thread the chain through the plastic chain guide, around drive and idler sprockets, and then through the second plastic chain guide toward front gate bracket. 6. Adjust the chain to proper length and connect the chain to the front bracket with the provided hardware. Adjust nuts on chain take-up bolts to remove chain slack. A general rule of thumb is to leave a maximum of 1" (2.5 cm) of chain slack for every 10' (3.1 m) of chain length. Do not overtighten chain. NOTE: The operator can be moved forward or back along the rails to ensure the chain is aligned correctly with the operator. 7. Remove the pin from the vent plug on the gear box. NOTE ABOUT SOME TYPES OF CANTILEVER GATES: With some cantilever gates over 20' (6.1 m) long, you may need to add a brace along the length of the gate to prevent the gate from bowing when chain is tightened. This may also be required on some styles of gates that are constructed out of aluminum. If positioned properly, this brace can also be used as a chain support. 13

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13
Step 2 Attach the Chain
DO NOT run the operator until instructed.
1.
Mount gate brackets to the vertical front and rear posts of the gate.
2.
Remove the operator cover.
3.
Locate and engage the manual release handle and lock it in place.
4.
Connect the chain to the rear bracket with the provided hardware.
5.
Ensure that the drive and idler sprockets are in line with each other. Thread the chain through the plastic chain guide, around drive and idler sprockets,
and then through the second plastic chain guide toward front gate bracket.
6.
Adjust the chain to proper length and connect the chain to the front bracket with the provided hardware. Adjust nuts on chain take-up bolts to remove
chain slack. A general rule of thumb is to leave a maximum of 1" (2.5 cm) of chain slack for every 10' (3.1 m) of chain length.
Do not overtighten
chain. NOTE:
The operator can be moved forward or back along the rails to ensure the chain is aligned correctly with the operator.
7.
Remove the pin from the vent plug on the gear box.
NOTE ABOUT SOME TYPES OF CANTILEVER GATES:
With some cantilever gates over 20' (6.1 m) long, you may need to add a brace along the length of the gate to prevent the gate from bowing when chain is
tightened. This may also be required on some styles of gates that are constructed out of aluminum. If positioned properly, this brace can also be used as a
chain support.
INSTALLATION