How to fix a garage door chain drive sprocket 1.
How to fix garage door chain.
If the chain on your garage door is rusty you need to apply lubricant into it to loosen the corrosion.
Check the breaker controlling the door opener and.
Move the ladder to the outer end of the chain arm near the garage door.
If in doubt replace the chain completely.
Loosen the bolts on the chain pulley that s.
To do this put some lubricant on a piece of rag this use the rag to wipe the chain.
After close examination we found the chain was off track.
Make sure that the garage door is closed and that you have another way of getting out of the garage.
A new front sprocket costs.
Another common cause for a loose chain could be the front sprocket breaking.
Once you are clear that the only problem is a slightly loose chain then you can begin fixing the problem.
Sprocket is at the end of the opener rail closest to the garage door opening.
Around this sprocket as well as the gear and sprocket at the motor.
Make basic checks first.
The reason the chain went off track was because the chain.
Step 2 turning off the power.
Garage door didn t open in the morning.