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IF LIMITS ARE NOT ADJUSTED
PROPERLY, THE EMERGENCY
RELEASE MECHANISM MAY
NOT WORK PROPERLY AND
DOOR OPERATION COULD
RESULT IN DOOR DAMAGE,
SERIOUS PERSONAL INJURY
OR DEATH!
WARNING
TO REDUCE THE RISK OF SEVERE INJURY OR
DEATH, READ AND FOLLOW ALL INSTRUCTIONS!
WARNING
IMPORTANT SAFETY INSTRUCTIONS
• NEVER let children operate or play with door controls. Keep the Remote Control away from
children.
• ALWAYS keep a moving door in sight and keep people and objects away from the door area
until the door is completely closed. NO ONE SHOULD CROSS THE PATH OF A MOVING
DOOR.
• TEST THE DOOR OPENER MONTHLY. The door MUST reverse upon contact with a 1-1/2”
high object (or a 2 X 4 board laid flat) on the floor. After adjusting the sensitivity or the limit
of travel, ALWAYS RETEST the Opener. Failure to ADJUST THE OPENER PROPERLY may
result in SERIOUS INJURY OR DEATH.
• If possible, USE THE EMERGENCY RELEASE only when the door is closed. Use caution
when using the Release with the door open. WEAK OR BROKEN SPRINGS MAY ALLOW
THE DOOR TO CLOSE RAPIDLY, CAUSING SEVERE INJURY OR DEATH.
• KEEP THE GARAGE DOOR PROPERLY BALANCED. See the door owner's manual. An
improperly balanced door MAY CAUSE SEVERE INJURY OR DEATH. Have a QUALIFIED
SERVICE PERSON MAKE REPAIRS TO CABLES, SPRING ASSEMBLIES AND OTHER
HARDWARE.
• SAVE THIS INSTRUCTION MANUAL.
NOTE: It is now necessary to turn on the power in order to run the Opener to check limit settings. Before doing
so, ensure that all mounting hardware is installed and has been properly tightened, that all electrical
connections are per local code requirements, and that proper wiring practices have been followed. Also,
double-check that all ropes have been removed from the door and that the doorway is clear.
108407
STEP 1:
Testing the Limit Settings: To check the Limit Settings, start the Opener
by pushing the standard wall Push Button (Mounted in Step 11). Be prepared to
activate the Push Button again quickly - per the Operating Parameters outlined on
Page 16 - if you see that the door is going to over travel. As illustrated above, move
the Cams toward the Power Unit to DECREASE door travel and toward the Front
Idler to INCREASE door travel. Adjust the Up Limit Cam so that the door comes to
rest where it normally would without an electric Opener. Adjust the Down Limit
Cam so that the door closes firmly without putting undue stress on the Door Arm.
For Model J6500, adjust the "Restraining Device To Restrict Forced Door Opening"
to the positions as shown when door is fully closed. When properly adjusted, this
bracket will inhibit a forced door opening from the center of the door.
F:
OPERATION AND ADJUSTMENT INSTRUCTIONS