Maintenance; Maintenance Schedule - Chamberlain JDC Manual

Maintenance

Maintenance Schedule

For use with Maintenance Alert System. Check at the intervals listed in the following chart.
Item
Drive Chain
Sprockets
Fasteners
Manual Hoist (if
applicable)
Shafts
LiftMaster Monitored
Entrapment Protection

Use SAE 30 Oil (Never use grease or silicone spray)
• Do not lubricate motor. Motor bearings are rated for
continuous operation.
How to order repair parts: LiftMaster.com
Procedure
• Check for excessive slack.
• Check and adjust as required.
• Lubricate.
Check set screw tightness.
Check and tighten as required.
Check and operate.
Check for wear and lubricate.
Check alignment and
functionality.
To avoid SERIOUS personal INJURY or DEATH:
• Disconnect electric power BEFORE performing ANY
adjustments or maintenance.
• ALL maintenance MUST be performed by a trained
door systems technician.
Every 3 Months
Every Month
or 5,000 Cycles


Inspect and service whenever a malfunction is observed or
suspected.
62
WARNING
Every 6 Months
or 10,000 Cycles




