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Header
Bracket
Clevis
Pin
Emergency
Disconnect
Straight
Door Arm
Assembly
1C3681
Door
Bracket
12B0407
Curved
Door Arm
Door
178B0045
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER BEFORE MANUALLY MOVING LIMIT NUTS.
Close Limit
Switch
Actuator
CLS
SLS
Close Limit
Nut
EMERGENCY DISCONNECT SYSTEM
Trolley
Track
Emergency
Release
Handle
WARNING
Open Limit
OLS
ADLS
Open Limit
Travel Nut
Retainer
Nut
Press Travel Nut Retainer
Down Toward Frame
TO DISENGAGE.
DOOR ARM IS RELEASED FROM TROLLEY WHEN
EMERGENCY DISCONNECT OPENS.
TO AVOID BEING STRUCK BY DOOR ARM, DO NOT
STAND UNDER THE ROPE OR DOOR ARM WHEN
PULLING THE EMERGENCY RELEASE.
Chain
Door Arm
Emergency
Disconnect
Door Arm
ADJUST LIMITS
MAKE SURE THE LIMIT NUTS ARE POSITIONED
BETWEEN THE LIMIT SWITCH ACTUATORS
BEFORE PROCEEDING WITH ADJUSTMENTS.
1. Depress open limit switch. The operator should
stop.
2. To increase door travel, spin nut away from
Switch
actuator. To decrease door travel, spin limit nut
Actuator
toward actuator.
3. Adjust open limit nut so that door will stop in open
position with the bottom of the door even with top
of door opening.
4. Repeat Steps 1 and 2 for close cycle. Be sure
close limit actuator is engaged as door fully seats
at the floor.
If other problems persist, call our toll-free number for
assistance - 1-800-528-6563.
7
WARNING
TO DISCONNECT
DOOR FROM OPENER
Emergency
Disconnect
Pull emergency
release handle
straight down.
DOOR ARM TO TROLLEY
door arm to trolley.
Pull emergency handle
to allow arm to engage
clevis pin. Release
handle. Emergency
disconnect will close.
Emergency
disconnect
will open.
TO RECONNECT
Lift free end of
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