What things should I look out for when buying a second appendage wash gadget?

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Manually spin the drum and see if you hear any perculiar sounds, also see if the drum is loose, it shouldnt be (does it rock backbone and forth?)

And if it is pulled out check the water tube connectors (this is not that important, you can pick them up for little cost).

Good luck.
Is ther any route to bring back out...
Make sure you witness the machine running thru a complete cycle from start to finish. Some used washers will fill up next to water and start agititating, but somewhere in the cycle they will lately stop dead in its tracks. if you witness a compete cycle (wash/spin/rince) at lowest possible you know the unit is cycling properly and that is usally where on earth the malfuntion is in used washers, faulty or broken cycle timer.

I own a laundromat. The solely washers I ever bought for my laundromat and home are MAYTAG washers and dryers. They are dependable, reliable, sturdy and run like a horse for 10 yrs without any repairs. Stay away from the ROPER brands of washer. They are incredibly cheaply constructed and it will not last for an extended period of time.
I really delight in doing the laundry; is...
Make sure it have a door on it!!

Very very important!

Use Hoover detergent lone?
It is best to experiment it out first. Make sure the drum spins and also see if you can hook it up and make sure every cycle works.
How do you remove dried fabric/hot paste past...
Check for all the atypical socks that must be in there, they gotta walk somewhere and thats the only explanation i can think of
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Answers:    Try and get hold of a second hand Miele - they are the Rolls Royce of wash machines and are designed to last for 20 years without need any repairs. I have a Miele washer, dish washer, tumble dryer and fridge. They cost more new but they are built to ultimate and are worth it.