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
actuator. To decrease door travel, spin limit nut
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.
Travel Nut
Retainer
Open Limit
Nut
Close Limit
Nut
Close Limit
Switch
Open Limit
Switch
CLS
CLOSEOPEN
OLS
ADLS
SLS
Actuator
Actuator
7
Press Travel Nut Retainer
Down Toward Frame
TO DISENGAGE.
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT ELECTRIC
POWER BEFORE MANUALLY MOVING LIMIT NUTS.
Header
Bracket
Straight
Door Arm
Assembly
1C3681
Emergency
Release
Handle
Door
Bracket
12B0407
Door
Chain
Clevis
Pin
Trolley
Emergency
Disconnect
Track
Curved
Door Arm
178B0045
NOTICE
TO DISCONNECT
DOOR FROM OPENER
Pull emergency
release handle
straight down.
Emergency
disconnect
will open.
Emergency
Disconnect
Door Arm
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.
Emergency
Disconnect
Door Arm
EMERGENCY DISCONNECT SYSTEM
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.
WARNING
WARNING
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