Garage Door won't stay closed or opens too far - Limit & Force Adjustment Liftmaster

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This is a common problem with garage door openers but luckily it is also really easy to fix if you know what to do. You want to be sure to take your time and turn the knobs in increments and test the door in-between adjustments. I am working on a Chamberlain Liftmaster ½ HP garage door opener.

In this video, I cover what to do if your garage door:
A. opens too far and hits the bolt,
B. does not open far enough,
C. hits the ground and bounces back open,
D. won't close all the way
E. closes about halfway and then re-opens.

Then I show you how to test the very important Safety Reversal System.

Best of luck with your repair!

More Videos:
My SENSOR adjusting video→    • Garage Door Repair - won't stay close...  
Tons of other garage door repair tips→    • Garage Door Opener Troubleshooting an...  
My garage door troubleshooting playlist→ https://goo.gl/dAg8nI


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Disclaimer:
This video is only for entertainment purposes. Any injury, damage, or loss that may result from improper use of tools, equipment, or from the information in this video is the sole responsibility of the viewer and is to be used at the discretion of the end-user/viewer and not AdamDIY and or Adam Hill. If you are uncertain about any step of the process or feel unsure about your skill level, seek a more authoritative source.