14
Chain Adjustment
If necessary, use the following steps to adjust the chain.
a) Hold the turnbuckle with a at blade screwdriver, and loosen the two
lock-nuts with a 7/16” end wrench.
b) Twist the turnbuckle to adjust the chain tension. Adjust the chain until the
turnbuckle is sightly above the rail.
c) Hold the turnbuckle with a at blade screwdriver and tighten the two
lock-nuts with a 7/16” end wrench.
TO HEAD
LOCKNUTS
TIGHTEN
LOCKNUTS
LOOSEN
CHAIN
TIGHTEN
CHAIN
LOOSEN
b
c
a
Belt Adjustment
a) The tension spring in the traveler keeps the belt taut. The factory setting
for the tension spring length is .9” long. If the tension spring is longer
than 1”, adjust the belt.
b) Hold the traveler so the adjustment wheel is visible through the large slot.
c) Use a at blade screwdriver to turn the adjustment wheel to compress the
tension spring until its length is between .9” and 1” long.
Every Year
Check the door hardware for lubrication needs. Lubricate door hinges, rollers
and bearings according to door manufacturer’s recommended procedures.
TIGHTEN
LOOSEN
ADJUSTMENT WHEEL
TRAVELER
b
a
Disconnect the Operator
Every Month
a) With the door closed, pull the red release handle to
disconnect the
operator from the door.
b) From outside the garage, slowly open the door manually all the way, and
then close it all the way. Notice if there is any binding, sticking or rubbing.
The door should move smoothly in both directions.
c) Raise the garage door about halfway up. Carefully release the door and
see if the door balances. It should stay in place. Close the door.
NOTE: If the garage door is unbalanced or the door travel isn’t smooth,
have a qualied garage door professional adjust or repair the door.
WARNING
Garage door hardware (springs, cables, brackets, pulleys,
etc.) are under extreme pressure and tension. DO NOT
ATTEMPT TO LOOSEN, TIGHTEN OR ADJUST ANY DOOR
HARDWARE. CALL A QUALIFIED GARAGE DOOR INSTALLATION
PROFESSIONAL!
Field Reset
In installations where the door spring, door, or hardware is being replaced and the operator was already programmed for the old door, reset the
operator’s settings using the following steps.
a) Press and hold down the UP, DOWN, and LEARN buttons at the same time for ten seconds.
b) Release the buttons (after the ten seconds). The red and green LED’s ash twice, and unit will beep twice. The operator will erase all force
history and reset the force setting back to LOW and erase all set limits, but it will still retain all programmed transmitters in memory.
c) AFTER PERFORMING A FIELD RESET, THE OPEN AND CLOSE LIMITS MUST BE ADJUSTED BEFORE THE OPERATOR WILL FUNCTION.