Cornell SGH Series - MAINTENANCE INSTRUCTIONS

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SGH Series
REVISION # 0002
DATE: 10/09/2012
OPERATING INSTRUCTIONS
1. If a 3-button control station is used to operate the door, push the “OPEN” button to open the door,
push the “CLOSE” button to close the door, push the “STOP” button to stop movement of the door
while opening or closing. Removing pressure from the “CLOSE” button will cause the door to
stop.
2. If a key switch control station is used to operate the door, turn the key to the “OPEN” position to
open the door, turn the key to the “CLOSE” position to close the door, push the “STOP” button to
stop movement of the door while opening or closing. Removing pressure from the “CLOSE” key
position will cause the door to stop.
3. Door may also be operated by remote devices.
EMERGENCY MANUAL OPERATION
This operator has provisions for manually operating the door in case of emergency or power failure.
This operator is equipped with an auxiliary hoist.
To operate the hoist:
1. Remove the hand chain from the chain bag.
2. Pull the hand chain to operate the door in the desired direction. (No clutch to engage)
Put the hand chain back into the chain bag, before operating the door again electrically.
 Turn off power to the operator before manually operating the door.
Hand chain must be kept inside chain bag when operating electrically.
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WARNING
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WARNING