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Thumping is normally can by two reasons
1. Worn rear bearing which normally has a nylon sleeve that wears causing vertical movement
2. Worn or collapsed drum slides or rollers at the front of the drum.
There is not normally foam, the sealer is felt and needs lightly oiling.
No model number given, Google Roper parts diagram
https://www.google.com/search?q=Roper+dryer+replace+rear+bearing+and+drum+slides
..
Probably the thermal control is no longer working, make sure you have power on the element when heating up.
If there isn't, work backwards towards the mains input side to fault find.
Hello HeatherGood to see you again. The outlet on the back of the dryer is 4" and the wall duct has a 4" tail. The ducting flexible hose made to fit on the outside of both. You fix with large hose clamps. It sound like you are trying to put the dryer into the wall duct? That is not the right way. You have to have hose even if it is 10" worth, that has 4" inside diameter for both the dryer and the wall duct. The new magnetic connector make thing very easy.The parts and the videos are in the linkhttps://www.google.com/search?q=DRYER+WALL+DUCT..
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Aug 13, 2023 - 1. Unplug the unit from its power source. 2. Alternatively, switch off the electrical breaker associated with the unit. 3. Allow a duration of ...
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This can only be caused by a few things
Belt slipping.
Idler wheel tight and causing the belt to screech.
A very outside change it is the rear drum bearing or motor bearings.
Take the top off, put a length of plastic tub in you hand and follow the sound.
There are several possible causes of a squealing dryer, including unlevel installation, damaged drum bearings, a faulty drive belt, a worn out idler pulley, a damaged roller shaft or a malfunctioning motor. Discovering the cause of your squeaky dryer can help you determine how to resolve the issue.
You may be able to obtain a service manual for the Creda T620CW dryer by contacting the manufacturer or a local appliance repair service. They may be able to provide you with a copy of the manual or direct you to a reliable source. Alternatively, you can search for the manual online through websites that specialize in appliance manuals or user forums where others may have shared the manual.