Operation And Maintenance; Operator Maintenance; Sensitivity Adjustments; Control Devices - Chamberlain LiftMaster Professional SW425 Owner's Manual

Residential swing gate operator
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To reduce the risk of SEVERE INJURY or DEATH:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. NEVER let children operate or play with gate controls.
Keep the remote control away from children.
3. ALWAYS keep people and objects away from the gate.
NO ONE SHOULD CROSS THE PATH OF THE MOVING

GATE.

4. Test the gate operator monthly. The gate MUST reverse
on contact with a rigid object or stop when an object
activates the non-contact sensors. After adjusting the
force or the limit of travel, retest the gate operator.
Failure to adjust and retest the gate operator properly
can increase the risk of INJURY or DEATH.
5. Use the emergency release ONLY when the gate is not
moving.
MAINTENANCE
The SW425 is designed to be maintenance free. However, for
optimum performance and safety, the following maintenance
procedures should be taken.

SENSITIVITY ADJUSTMENTS

The most important thing to maintain on any gate is the safety
equipment. As the gate becomes older, the amount of force
necessary to move the gate will vary. When this happens, the
sensitivity adjustments may need to be readjusted. Check to see
whether the sensitivity may need adjustment at least once a
month. Actuate the gate a few times and observe the amount of
force that is needed to reverse the gate in both directions. The
gate should reverse relatively easy. If it does not reverse easily or
does not reverse at all, adjust the gate sensitivity (page 15).
O P E R A T I O N A N D M A I N T E N A N C E
IMPORTANT SAFETY INSTRUCTIONS
WARNING
WARNING
6. KEEP GATES PROPERLY MAINTAINED. Read the
owner's manual. Have a qualified service person make
repairs to gate hardware.
7. The entrance is for vehicles ONLY. Pedestrians MUST
use separate entrance.
8. Replace both batteries and connect red wires to red
(positive) terminals. Connect black wires to black
(negative) terminals.
9. Disconnect ALL power BEFORE performing ANY
maintenance.
10. ALL maintenance MUST be performed by a LiftMaster
professional.
SAVE THESE INSTRUCTIONS.
11.

CONTROL DEVICES

From time to time check to see whether all of the control devices
that are connected to the operator are functioning. This is
especially important of interrupt devices such as reverse loops,
reverse edges, photo beams or any other device which was
installed in regards to safety.
GATE
Having a well maintained gate will ensure that the operator runs
smoothly and safely. Occasionally inspect the gate to see that it
swings easily at a normal speed and is free of any obstructions.
See if the hinges show any sign of rusting and grease or oil if
necessary. Observe the speed of the gate and determine if the
gate operator appears to be working harder than usual.
19

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