Tighten Garage Door Belt

Loosen the adjuster three turns counterclockwise if the door raised without.

Tighten garage door belt.

In most cases all you have to do is adjust the opener belt of the belt drive tightening it to ensure smooth running. The manual does not indicate how to solve this problem. The specific procedure should be in the manual for your unit. But basically assuming the belt is attached with enough slack removed the tensioner bolt should be able to taske up the rest of the slack once tightened.

This is a very simple job to do yourself in fact all you need to do is follow this simple 6 step guide. Tighten the adjuster three full turns clockwise to add tension if the door closed and did not remain open halfway. 1 close the garage door. Brand new chamberlain garage door opener with excessive slack in belt drive.

All you need to get started is a step ladder a 7 16 inch wrench and a flat head screwdriver.