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Do I have to clean the exhaust duct on my dryer or is just cleaning the lint fliter good enough?

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You should clean the exhaust duct and filter of the dryer because it will make your dryer more effecient. I found that after cleaning the exhaust duct it took significantly less time to dry clothes.

Posted on Feb 12, 2014

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My bosh next 700 series I not heating to dry the clothes I checked the vent and it not clogged inside and outside. Help pls


Try to reset the thermal cutoff, but should be no reason why it should have tripped.
The actual operating procedure is
The air enters the body of the dryer through the large opening in front of the dryer
Then the air is sucked past the heating element and into the tumbler. (the tumbler is the large bin holding your clothes).
Then after the air has circulated around the clothes, it enters the door and is directed down through the lint screen. (this catches lint from the drying process... some clothes producte more lint (such as towels) than others (such as panties) because the weave is more coarse.
Then the air passes through a duct in the front of the dryer (after the lint filter) and into the fan.
The fan forces the air into the duct leading out the back of the dryer, at which point it exits your house.
It is extremely difficult to tell you the problem without being there to eliminate any one of several things that could be the problem. First, when you have the dryer turned on and have the heat setting set to cottons, is there ANY heat at all? If you feel the door, and there is SOME heat but there is not much heat on the clothes when you feel them, the intake opening in front of the dryer is probably in need of cleaning.

While you should always clean your lint filter after each use of your dryer, you should also periodically clean the intake at least once every six months. If you do not, the air intake is eventually restricted and the drying efficiency of the drye is affected. Consult your owner's manual for the exact location of the air intake.

IF THE INTAKE IS CLEAN and clear of obstruction, and there is still not enough heat to dry the clothes, but the door feels warm when dryer is operating. Then this would imply that the exhaust duct needs cleaned out. This is something that definitely needs done periodically to prevent fire. The exhaust duct collects additional lint that the lint filter misses. While this is a small amount of lint, over a period of time, this builds up on the inside of the exhaust duct and prevents the flow of the exhaust which reduces the heated air flow around the clothes in the tumbler. This results in the air not flowing and not becoming warm enough to dry the clothes efficiently.

IF THERE IS NO HEAT AT ALL: Then there is a likelihood that the heater itself needs replacement. This is a costly repair and you will be wise to invest in another dryer instead.

The working process of your clothes dryer is a relatively simple machine. It brings in air, heats the air, flows the air through the tumber where the clothes tumble loosely with the heated air circulating around them, then the air passes through the lint filter as it exits out your home. The lint filter is necessary because those tiny pieces of fabric (lint) can collect in your exhaust duct and catch fire. This is the major cause of dryer fires. This is why you should also periodically clean out your exhaust duct. Even though you have a lint filter, the lint filter does NOT catch all the lint and lint will eventually coat the interior walls of the exhaust duct.

Apr 20, 2012 | Bosch Dryers

Tip

When to Buy a New Dryer or Fix Old One?


If your old clothes dryer is not working well, how do you tell if it's time to replace it?Here are some things to check before you set it on the curb with a"FREE" sign.
If it still turns on, runs a proper cycle, doesn't make a lot of squeaks and groans, and your clothes are at least attempting to dry, then check the following before you decide to replace.

1. Check and empty your lint trap before each load. If airflow is restricted, your dryer will need longer to get the job done. A clean lint trapwill allow for maximum intake air to the dryer blower.
2. Check the exhaust duct work for lint buildup. If the 4" duct work that carries your warm, moist, lint-laden air to the exterior of your home is blocked with years of lint and moisture, chances are pretty good your dryer is taking longer than it should to get your clothes dry.

  • Disconnect the dryer power cord (and gas line if a gas unit), slide the dryer forward far enough to access the 4" duct work clamp at the back of the dryer. Disconnect the duct work at the dryer and separate to inspect both in the dryer exhaust duct and the duct work as well.
  • Remove all built up lint. You may need to access under the floor, or in the crawlspace, or basement to get at all the areas that lint may be built up. Remember that when there's an elbow chances are pretty good there's lint in there, so take the time to separate the duct work where needed to give it a thorough clean out.
  • Long straight sections of duct work can be easily cleaned by using a Webster-style pole brush.
  • Clean the exhaust duct of the dryer but be careful not to damage anything inside your dryer
  • Reconnect and turn the dryer on air fluff to blow the rest out.
3. Remove lint build up from inside the machine
  • Turn power off again
  • Remove the front cover of your dryer
  • Remove the front drum support/air duct from the front of the dryer
  • Carefully vacuum the lint out of the dryer with soft brush attachment on your vac. Be careful not to damage any igniter or electrical items.
  • Clean the inside of the lint trap duct of sediment/ buildup
4. While you've got it open replace the drive belt and check the pulleys.

If this improves your dryer, hang onto it for a while longer! Most times dryers just need a good cleaning and the exhaust duct cleaned. If you're not satisfied with the results, take it to the curb and recycle it to another family.

on Dec 07, 2009 | Dryers

Tip

New Clothes Dryer vs. Fix the OLD One


If your old clothes dryer isn't working well, how do you tell if it's time to replace it? Here are some things to check before you set it on the curb with a FREE sign.
If it still turns on, runs a proper cycle, doesn't make alot of squeaks and groans, and your clothes are at least attempting to dry, then check the following before you decide to replace.

1. Check and empty your lint trap before each load. If air flow is restricted, your dryer will need longer to get the job done. A clean lint trap will allow for maximum intake air to the dryer blower.
2. Check the exhaust ductwork for lint buildup. If the 4" ductwork that carries your warm, moist, lint-laden air to the exterior of your home is blocked with years of lint and moisture, chances are pretty good your dryer is taking longer than it should to get your clothes dry.
  • Disconnect the dryer power cord (and gas line if a gasunit), slide the dryer forward far enough to access the 4" ductworkclamp at the back of the dryer. Disconnect the ductwork at the dryerand separate to inspect both in the dryer exhaust duct and the ductworkas well.
  • Remove all built up lint. You may need to access underthe floor, or in the crawlspace, or basement to get at all the areasthat lint may be built up. Remember that when there's an elbow (turn)chances are pretty good there's lint in there, so take the time toseparate the ductwork where needed to give it a thorough cleanout.
  • Long straight sections of ductwork can be easily cleaned by purchasing a "webster" style pole brush.
  • Clean the exhaust duct of the dryer but be careful not to damage anything inside your dryer
  • Reconnect and turn the dryer on air fluff to blow the rest out.
3. Remove lint build up from inside the machine
  • Turn power off again
  • Remove the front cover of your dryer
  • Remove the front drum

  • support/air duct from the front of the dryer
  • Carefully vacuum the lint out of the dryer with soft brush attachment on your vac. Be careful not to damage any ignitor or electrical items.
  • Clean the inside of the lint trap duct of sediment/ buildup
4. While you've got it open replace the drive belt and check the pulleys.

If this improves your dryer, hang onto it for a while longer! Most times dryers just need a good cleaning and the exhaust duct cleaned. If you're not satisfied with the results, take it to the curb and recycle it to another family.


on Dec 07, 2009 | Dryers

1 Answer

My Bosch Nexxt Dryer shows and oE1 and does not run though the exhaust lines are clean and the lint has been removed. Is there somewher else to clean and how?


Hi Marjorie

First double check the exhaust and go through the troubleshooting prescribed in the manual.

Disconnect power and allow cool down for at least 3 minutes. Check filter and duct. Make sure that there is enough ventilation. Check length and setting of the duct. See page 14 in this manual.

Jan 18, 2012 | Dryers

1 Answer

My maytag dryer takes almost 2 hours to dry 1 load of laundry


I would try cleaning out the dryer lent from the exhaust duct from the dryer and also the duct to the outside of the house. Lint also collects inside the dryer. It may worth cleaning out behind the lint filer through to the exhaust duct.


Regards

yourlawschool.com

Jul 08, 2011 | Maytag PYE2300AY Electric Dryer

1 Answer

Chemical smell coming from dryef


Hi and welcome to FixYa, I am Kelly

Chemical smells are usually the result of poor air-flow through the dryer.
- Pull out the lint filter and wash it with vinegar and water then soap and water. Any fabric sheet use in the dryer will clog what appears to be a clean lint filter. The wash above will remove any obstructions
- LOOK in the lint fliter cavity for any signs of lint way down in the bottom. Use an un-wrapped and folded wire coat hanger and a vacuum crevice tool to reach deep into the hard to get to areas.
- Remove the duct work for the outside air vent. LOOK inside the dryer ducting for any lint build up. REMOVE any LINT found.
- LOOK in the exit ducting all the way to the outside wall for ANY l;int build up. Clean as necessary.
- Go outside and clean the vent flapper on BOTH sides of the flapper. (One of the most common clog areas)
- BEFORE reconnecting the ducting to the back of the dryer. Turn on the dryer and use the back of your hand over the dryer vent. There should be enough air-flow to push a relaxed hand and wrist away from the ducting exit. If you do not have this much air-low either you did not clean well enough or.... the blower wheel is damaged an is spinning on the motor shaft. (Broken hub on missing blades)
- IF you have proper air-flow reconnect the ducting and use the dryer normally.

Let me know if after your severe cleaning session you still have the chemical smell. There could be a problem with drum rollers or motor bearings. I will pass a manual and parts information if you still have the problem.

Thanks for choosing FixYa,
Kelly

Apr 24, 2011 | Whirlpool WED5300S Electric Dryer

1 Answer

Slow to dry


Hi!!

Have you cleaned the filter and the exhaust duct??

Lint plugs therm up, the heat sensor shuts off heating element thinking it is hot enough. Result: Clothes not getting dry.

Unplug duct and clean it, also clean the exahust passage of dryer. (where duct hooks to dryer)

Click below if this was helpful, Good luck.

Mar 28, 2010 | Dryers

2 Answers

My dryer won't heat


is it a condenser or vented tumble dryer

Jun 28, 2009 | Dryers

1 Answer

Whirlpool Model LE7010XSNO. No Heat After Lint Cleaned Out


Those are likely possibilities. Also check the wiring for disconnected or burned terminals especially in areas that get hot. The element comes out easily to visually check it for breaks. If that's OK I'd look at the safety thermostat.

Jan 06, 2008 | Whirlpool LER5636P Electric Dryer

1 Answer

Dryer takes more than one cycle to dry clothes


Did you clean the entire length of the vent ducting? Or, did you only clean the lint trap on the dryer and the exhaust vent outside? If you didn't clean the ducting as well, you may still have a clog somewhere causing your dryer to be "starved" for air. A dryer needs proper air flow to dry properly. One way to check is to turn the dryer on and go outside to the exhaust vent opening. Feel to see if you have sufficient air flow. If the air flow is weak, you have a clog. If not, you may have a high limit thermostat cutting off prematurely, not allowing the heating element to heat long enough. Check your ducting first and let me know if this helps.

Jul 28, 2007 | GE DBSR453EBWW Electric Dryer

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