LiftMaster 87504-267 Instrucciones De Montaje página 35

Operation
To reduce the risk of SEVERE INJURY or DEATH:
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
garage control panel push buttons or remote controls.
3. ONLY activate garage door when it can be seen clearly, it is properly adjusted, and there are no
obstructions to door travel.
4. ALWAYS keep garage door in sight and away from people and objects 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 emergency release handle to disengage trolley ONLY when garage door is CLOSED. Use
caution when using this release with the door open. Weak or broken springs or unbalanced door could
result in an open door falling rapidly and/or unexpectedly and increasing the risk of SEVERE INJURY or
DEATH.
7. NEVER use emergency release handle unless garage doorway is clear of persons and obstructions.
8. NEVER use handle to pull garage door open or closed. If rope knot becomes untied, you could fall.
9. After ANY adjustments are made, the safety reversal system MUST be tested.
IMPORTANT SAFETY INSTRUCTIONS
10. Safety reversal system MUST be tested every month. Garage door MUST reverse on contact with 1-1/2"
(3.8 cm) high object (or a 2x4 laid flat) on the floor. Failure to adjust the garage door opener properly
increases the risk of SEVERE INJURY or DEATH.
11. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 4). An improperly balanced door may
NOT reverse when required and could result in SEVERE INJURY or DEATH.
12. 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.
13. To avoid interference with the proper operation of the garage door opener when using a welder in the
garage, unplug garage door opener before operating welder.
14.
15. This operator system is equipped with an unattended operation feature. The door could move
unexpectedly. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
16. DO NOT install on a one-piece door if using devices or features providing unattended close. Unattended
devices and features are to be used ONLY with sectional doors.
17.
SAVE THESE INSTRUCTIONS.
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