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Clevis
Pin
Emergency
Disconnect
Straight
Door Arm
Assembly
1C3681
Door
Bracket
12B0407
Curved
Door Arm
Door
178B0045
WARNING
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
Track
Chain
Emergency
Release
Handle
ADJUST LIMITS
Open Limit
Switch
OLS
ADLS
Travel Nut
Open Limit
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.
Emergency
Disconnect
Door Arm
Emergency
Disconnect
Door Arm
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
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
Pull emergency
release handle
straight down.
Emergency disconnect
will open.
TO RECONNECT
DOOR ARM TO TROLLEY
Lift free end of
door arm to trolley.
Pull emergency handle
to allow arm to engage
clevis pin. Release handle.
Emergency disconnect
will close.
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