Chamberlain LA350 Installation Manual page 24

OPERATION AND MAINTENANCE
Maintenance
To reduce the risk of SEVERE INJURY or DEATH:
• Disconnect ALL power BEFORE performing ANY maintenance.
• ALL maintenance MUST be performed by a LiftMaster
• ALWAYS wear protective gloves and eye protection when changing the battery or
working around the battery compartment.
Maintenance Chart
DESCRIPTION
External
entrapment
protection
systems
Gate warning
signs
Manual release
Gate
Accessories
Electrical
Total unit
TASK
Check for proper
operation
Make sure they are
present
Check and operate
Inspect for wear or
damage
Check all for proper
operation
Inspect all wire
connections
Inspect for wear or
damage
® professional.
MONTH 3 MONTHS 6 MONTHS
•
•
•
24
CHECK AT LEAST ONCE EVERY
•
•
•
•
12 MONTHS