LiftMaster HCTDCU HCTDCU Installation Manual - Page 26

Manual Disconnect, Step 1

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MANUAL DISCONNECT OPERATION To reduce the risk of SERIOUS INJURY or DEATH from a falling gate/door: • If possible, use manual release to disengage trolley ONLY when gate/door is CLOSED. Weak or broken springs or unbalanced gate/door could result in an open gate/door falling rapidly and/or unexpectedly. • NEVER use emergency release unless gate/door is clear of persons and obstructions. STEP 1 Insert key and turn to unlock position. STEP 2 Pull down the release ring. STEP 3 Lift the gate/door up until fully open. The trolley will automatically re-engage when power is restored and run command is given. When the cylinder lock is in the locked position, the release ring will not disengage. If the cylinder lock is in the unlocked position, the release ring will always be accessible to disengage. 26

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26
MANUAL DISCONNECT
Insert key and turn to unlock position.
The trolley will automatically re-engage when power is restored and run command is given. When the cylinder lock is in the locked position, the release
ring will not disengage. If the cylinder lock is in the unlocked position, the release ring will always be accessible to disengage.
Lift the gate/door up until fully open.
Pull down the release ring.
STEP 1
STEP 2
STEP 3
OPERATION
To reduce the risk of SERIOUS INJURY or DEATH from a falling gate/door:
•
If possible, use manual release to disengage trolley ONLY when gate/door is CLOSED. Weak or broken springs or unbalanced gate/door could
result in an open gate/door falling rapidly and/or unexpectedly.
•
NEVER use emergency release unless gate/door is clear of persons and obstructions.