Emergency Disconnect System; Maintenance Schedule - Chamberlain GT Owner's Manual

EMERGENCY
DISCONNECT SYSTEM
Trolley
Header
Bracket Clevis
Pin
Emergency
Disconnect
Straight
Door Arm
Assembly
Door
1C3681
Bracket
12B0407
Curved
Door Arm
Door
178B0045
WARNING
IF CONTROL STATION CANNOT BE INSTALLED
WHERE DOOR IS VISIBLE, OR IF ANY DEVICE
OTHER THAN THE CONTROL STATION IS USED TO
ACTIVATE THE DOOR, A REVERSING EDGE MUST
BE INSTALLED ON THE BOTTOM OF THE DOOR.
FAILURE TO INSTALL A REVERSING EDGE UNDER
THESE CIRCUMSTANCES MAY RESULT IN
SERIOUS PERSONAL INJURY OR DEATH TO
PERSONS TRAPPED BENEATH THE DOOR.
ITEM
Drive Chain
Sprockets
Torque Limiter and Brake
Gear Reducer**
Fasteners
Manual Disconnect
Bearings & Shafts
Use SAE 30 Oil (Never use grease or silicone spray).
Repeat ALL procedures.
Do not lubricate motor. Motor bearings are rated for continuous operation.
Do not lubricate clutch or V-belt.
Inspect and service whenever a malfunction is observed or suspected.
CAUTION: BEFORE SERVICING, ALWAYS DISCONNECT OPERATOR FROM POWER SUPPLY.
Track
Chain
Emergency
Release Handle

MAINTENANCE SCHEDULE

Check at the intervals listed in the following chart.
PROCEDURE
Check for excessive slack.
Check & adjust as required.
Lubricate.*
Check set screw tightness
Check & adjust as required
Check for leaks and replace
seals as needed
Check & tighten as required
Check & operate
Check for wear & lubricate
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
Pull emergency release handle
Door Arm
Emergency
Disconnect
Lift free end of door arm to trolley.
Door Arm
Pull emergency handle to allow arm
to engage clevis pin. Release handle.
Emergency disconnect will close.
CONNECT REVERSING EDGE
DEVICE (OPTIONAL)
The operator has been pre-wired to accept
connection of a reversing edge device. Connect the
normally open contacts to terminals T4 and T8 on the
low voltage terminal block. A cut-off switch will
deactivate the safety device during the last few
inches of the door's downward travel.
EVERY
3 MONTHS 6 MONTHS
8
WARNING
TO DISCONNECT
DOOR FROM OPENER
straight down. Emergency
disconnect will open.
TO RECONNECT
DOOR ARM TO TROLLEY
EVERY EVERY
12 MONTHS