Operation and maintenance, Maintenance, Warning – Controlled Products Systems Group LA400-S User Manual
Page 23: Save these instructions, Warning caution warning warning

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External entrapment
protection systems
Check for proper operation
Gate warning signs
Make sure they are present
Manual disconnect
Check and operate
Gate
Inspect for wear or damage
Accessories
Check all for proper operation
Electrical
Inspect all wire connections
Frame bolts
Check for tightness
Total unit
Inspect for wear or damage
6 MONTHS
3 MONTHS
12 MONTHS
TASK
CHECK AT LEAST ONCE EVERY
Complete Check Out
NOTES:
1. Disconnect power before servicing.
2. Severe or high cycle usage will require more frequent
maintenance checks.
3. Inspection and service should always be performed anytime a
malfunction is observed or suspected.
4. When servicing, please do some “house cleaning” of the
operator and the area around the operator. Pick up any debris
in the area. Clean the operator as needed.
5. It is suggested that while at the site voltage readings be taken
at the operator. Using a Digital Voltmeter, verify that the
incoming voltage to the operator it is within ten percent of the
operators rating.
DESCRIPTION
IMPORTANT SAFETY INSTRUCTIONS
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.
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. Disconnect ALL power BEFORE performing ANY
maintenance.
9. ALL maintenance MUST be performed by a LiftMaster
professional.
10.
SAVE THESE INSTRUCTIONS.
WARNING
WARNING
WARNING
MAINTENANCE
MONTH
To reduce the risk of FIRE or INJURY to persons, use ONLY
Chamberlain part #K74-30762 for replacement batteries.
WARNING
CAUTION
WARNING
WARNING
O P E R A T I O N A N D M A I N T E N A N C E