The top surface of my 12 year old dryer is getting
The top surface of my 12 year old electric dryer is getting very hot. I vacuumed accumulated lint from the inside of the unit. I also disconnected the unit from the outside exhaust vent and ran for about 20 minutes and the surface did not get hot. Could the problem be that the exterior vent pipe needs to be replaced or is it likely that the overheating is a sign of some problem within the dryer.
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Re: the top surface of my 12 year old dryer is getting
If it cooled down when you removed the exhaust line that tells me your line could be plugged or crimped. The end where it goes outside may be plugged. Vacuuming may not do the trick. I really don't like to use a cheap plastic line as they have a habit of buckling and then they plug up. If the dryer is running hot you could have a fire so I would change the hose if that's the problem.
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Caution: never enter an appliance internals with power applied!!!
You can die if you ignore this!!! You are dealing with 220 Volts!!!
My first check would be to open the unit & check for accumulated lint. The motor may be starved for cooling air (happened to me with my son's dryer). If so, get the vacuum & clean it thoroughly. Then find out why lint accumulated inside so it will not happen again.
My next check would be the dryer exhaust pipe. You can chase out accumulated lint with a simple brush tool from the corner hardware store and an electric drill. (You should do this yearly anyway).
If everything looks well inside, you need to decide if it is the heater element or the motor that is tripping the breaker. With power unplugged, disconnect the heating coil & tape the hot lead(s) with electrical tape.
Reconnect power & turn the unit on. If it trips the breaker, the motor is your problem. If it runs, the heating coil is your problem.
If it is the motor, order a replacement online.
If it is the heating coil, inspect it to insure it has not decided to short out on warming up (and tripping the breaker.) You could easily enough replace the coil online if needed, but simple mechanical actions may suffice.
Things You'll Need:
<span>Electric leaf blower</span>
Remove the lint trap from the dryer and peel off the accumulated fuzz.<br />
the top of the dryer, the floor nearby and underneath for lint at least
once a week. When you remove the lint trap, tiny particles fly into the
air and settle nearby. Behind and underneath the dryer are favorite
hiding places for dryer lint.<br />
the vent tube from the rear of the dryer and inspect it every month.
Dryer lint accumulates more easily in flexible plastic tubes than rigid
aluminum ones, because curves halt the lint's path.<br />
the vent tube leading to the wall annually. As for the tube leading to
the exterior, a trick that sometimes works is aiming an electric leaf
blower down the tube. The leaf blower can expel the lint through the
exhaust on the exterior. Before using the leaf blower, check that all
duct work is fastened securely.<br />
and remove the back panel on the dryer, if you're mechanically
inclined. Particles that escaped the lint trap can accumulate inside
the dryer cabinet, so vacuum this area.<br />
unplug dryer,take bottom panel off and take out the lint filter,remove the blower wheel duct and clean out the lint,while you have the cover off read out the thermal fuse located on top of the blower wheel housing,remove one of the wires when you read it out, if the air isn't moving outside it will pop the fuse.vac out the inside of dryer and if you have a shop vac switch it on blow and blow off all the lint off of the motor,you should do this once a year so you don't have a fire.if the fuse is good,read out the ignitor,sensor and gas coils.when you get it running go outside and make sure the air is blowing out strong,if it isn't you could have a blocked vent line,if it's a long run use a leaf blower to blow out the vent line.
your dryer is likely clogged up with lint .. that would be after the lint filter .. the pipe that carries the hot air out is usually completely clogged after that long .. it and the dryer itself (down inside) has to be cleaned about once a year to keep it tip top .. hopefully you can find someone that can take it apart and clean everythiing .. that should get you back to like new performance .. or you could call a few handymen to see what they would charge to clean the lint from your dryer and stack .. or if you are handy there is a special big brush with a string attached .. you pull that thru the stack to clean it .. use a vacuum cleaner to get inside the dryer vent (you can see in the vent when you take the hose off .. excessive lint buildup not only greatly reduces your dryers efficiency but is a fire hazzard as well ..
Sounds like you have a clogged vent hose or clogged duct work leading to the outside of the home. Make sure you have no obstructions in the exhaust system including a functioning flap on the outside wall cap.
Raise top by prying lose clips on front, remove 2 screws holding front in place (inside cabinet) and disconnect wirings, removed front (panel with door) panel, removed 4 screws holding inside front panel in and lifted it out, released tensioner from belt, lifted out drum out of unit, vacuumed accumulated lint from machine, motor, wiring, checked and greased drum rollers and tension pulley, cleaned drum edge from accumulated roller debris using automotive brake rotor cleaner, reintsalled drum, applied automotive belt dressing to belt and reassembled. Working for now. If reoccurs I will replace drum rollers and tension pulley.
it is..remove bottom panel ..after unplugging from wall..remove lint screen next remove 3 screws holding the lint screen/blower housing in place ..clean out housing clean blower wheel with long brush or a long arm clean lint from base and on element housing on right side especially on top of the housing..that is the most important location if lint gets too thick on element housing ..fire hazard....ckd vent behind dryer and to outside if you find a large amount of lint .that is good indication of a restricted vent