LiftMaster J door operator - Manual (Page 23)

23
ADJUSTMENT
ADJUSTMENT
LIMIT ADJUSTMENT
Adjustment - Limits Adjustment
To avoid SERIOUS personal INJURY or DEATH from
electrocution:
• Disconnect electric power BEFORE performing ANY
adjustments or maintenance.
ATTENTION
AVERTISSEMENT AVERTISSEMENT
AVERTISSEMENT
WARNING
CAUTION
WARNING
WARNING WARNING
PRECAUCIÓN ADVERTENCIA
ADVERTENCIA ADVERTENCIA
TO REDUCE THE RISK OF SEVERE INJURY OR DEATH:
IMPORTANT SAFETY INSTRUCTIONS
1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS.
2. ALWAYS keep remote controls out of reach of children.
NEVER permit children to operate or play with door control
push buttons or remote controls.
3. ONLY activate door when it can be seen clearly, it is properly
adjusted and there are no obstructions to door travel.
4. Personnel should keep away from a door in motion and
ALWAYS keep door in sight until completely closed. NO ONE
SHOULD CROSS THE PATH OF THE MOVING DOOR.
5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY
OPENED DOOR.
6. If possible, use manual release handle to disengage door
ONLY when door is CLOSED. Weak or broken springs or
unbalanced door could result in an open door falling rapidly
and/or unexpectedly causing SEVERE INJURY or DEATH.
7. NEVER use manual release handle unless doorway is clear of
persons and obstructions.
8. After ANY adjustments are made, the entrapment protection
device MUST be tested. Failure to adjust the operator
properly may cause SEVERE INJURY and DEATH.
9. Entrapment Protection device MUST be tested every month.
Failure to adjust the operator properly may cause SEVERE
INJURY and DEATH.
10. ALWAYS KEEP DOOR PROPERLY BALANCED. An
improperly balanced door may NOT reverse when required
and could result in SEVERE INJURY or DEATH. See door
manufacturer’s owners manual.
11. ALL repairs to cables, spring assemblies and other
hardware, ALL of which are under EXTREME tension, MUST
be made by a trained door systems technician.
12. ALWAYS disconnect electric power to door operator
BEFORE making ANY repairs or removing covers.
13.
SAVE THESE INSTRUCTIONS.
WARNING
WARNING
WARNING WARNING
1
2
3
1
Begin with the door in the fully closed position to set the
CLOSE limit.
2
Depress the retaining plate (1) and move the limit nut to the
CLOSE limits (2).
NOTE: The Close Limit Switch (CLS) and Safety Limit Switch
(SLS) LEDs on the logic board will illuminate when the switches
are activated and the power is on.
3
When the retaining plate is released, verify that the retaining
plate is fully seated with the notches of the limit nuts.
4
Open the door to the fully open position and set the OPEN
limit (3).
NOTE: The Open Limit Switch (OLS) LED on the logic board will
illuminate when the switches are activated and the power is on.
5
When the retaining plate is released, verify that the retaining
plate is fully seated with the notches of the limit nuts.