Dremel tool with a grinding wheel chain breaker tool maybe or hammer vise and appropriately sized punch and a master link.
Remove garage door chain.
Pull the chain toward the garage door and hold it in position.
Tighten or loosen the chain as needed by adjusting the nuts.
This is showing you how to remove a link from a chain.
After adjusting the chain lubricate it with the recommended lubricant or lithium grease that s used on bicycle chains.
If you do not have a chain tool you can purchase one from this link.
Remove the bolts only on the top half of each hinge leaving the bottom halves attached to the lower door panel.
Take the garage door opener down.
I will be happy to assist you.
The garage door opener chain is similar to a bicycle chain with a master link.
You can find a chain breaker by going to the link below.
You will need a chain breaker to cut the chain where you want it.
Refer to the opener s installation instructions or the manufacturer s website for the correct chain tension and.
Find the master link attached to each end of the trolley to shorten the chain for the desired length.
Use a step ladder to access the garage door opener s power cord and motor unit.
Pull the garage door opener s electrical plug from its electrical outlet.
Almost looks like someone took the chain off an opener for an 8ft door and installed it on a 7 ft.
You should have 1 2 inch of play in the chain.
Press down on the chain with your finger.
It is not normal that you have to remove two feet from a garage door opener chain.
Carefully tilt the panel back and lift it away from the tracks and the rest of the door.
Remove the chain and cable assembly.
Other than actually getting it off the opener a 10 min job.
How to lubricate a chain driven garage door opener step 1.
With a helper or two supporting the top of the top panel remove the roller bracket at each end of the panel.
This chain tool is so worth the small amount if money it costs and it saves you so much time and frus.
The best way to remove chain links it use a chain tool.
Thread the nut s facing the door clockwise until it meets the bracket then release the chain.
Pull the emergency release rope to release the trolley from the garage door.
Close the garage door completely and engage the door s safety lock using the garage door manufacturer s safety.
Remove the garage door opener s.
I am not a professional.
Documenting how i repaired the garage door.