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Melted air filter how to clean it? #7187627
02/18/21 10:32 AM
02/18/21 10:32 AM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
trapper
Law Dog  Online Content OP
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Joined: Dec 2010
Posts: 34,757
Central, SD
My Honda 4 wheeler needed a tune up so I bought a plug, oil, oil filter and air filter for it last week, it warmed up yesterday so I tore into it. All went well the spark plug needed a very thin walled socket but I made one for that job. I went to change out the air filter and it was jello like and melted on the metal tube that runs through it?

I sprayed it with starting fluid but that did now eat it up I will try carb cleaner next then acetone unless any of you know what eats that foam material up.

Any clue?


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187631
02/18/21 10:35 AM
02/18/21 10:35 AM
Joined: Dec 2006
Posts: 17,770
N.W. Iowa
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Tactical.20 Offline
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Tactical.20  Offline
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Joined: Dec 2006
Posts: 17,770
N.W. Iowa
Brake cleaner?

Re: Melted air filter how to clean it? [Re: Law Dog] #7187636
02/18/21 10:35 AM
02/18/21 10:35 AM
Joined: Aug 2010
Posts: 10,787
Asheville, NC
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charles Offline
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charles  Offline
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Joined: Aug 2010
Posts: 10,787
Asheville, NC
Could a back fire have ignited it. Hard concept to believe.

I hat a rat nest in mine once.

Re: Melted air filter how to clean it? [Re: Law Dog] #7187639
02/18/21 10:37 AM
02/18/21 10:37 AM
Joined: Sep 2013
Posts: 18,377
Green County Wisconsin
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GREENCOUNTYPETE Offline
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Green County Wisconsin
is it in a plastic housing also ?

acetone and some cleaners are very hard on foam , but probably took time also

I assume your trying to get the old stuff out so you can put a new air filter in

remove the housing and scrape clean with a razor blade would be my next approach if possible


America only has one issue, we have a Responsibility crisis and everything else stems from it.
Re: Melted air filter how to clean it? [Re: Law Dog] #7187676
02/18/21 10:55 AM
02/18/21 10:55 AM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Law Dog  Online Content OP
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Central, SD
Metal perforated tube the filter goes around but it’s a plated metal, the stuff looks like it’s breaking down like picking up hot butter.


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187682
02/18/21 10:57 AM
02/18/21 10:57 AM
Joined: Dec 2006
Posts: 17,770
N.W. Iowa
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Tactical.20 Offline
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N.W. Iowa
That's crazy, I had one go bad

Re: Melted air filter how to clean it? [Re: Law Dog] #7187687
02/18/21 11:06 AM
02/18/21 11:06 AM
Joined: Feb 2007
Posts: 5,365
New York border
Cragar Offline
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Cragar  Offline
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New York border
Replace it.

No matter what you do unless you get it perfect , you will have restricted air flow. Plus the possibility of chunks/bits getting sucked into the engine.

You would not want a dirty air filter , same thing.


NRA benefactor member
Re: Melted air filter how to clean it? [Re: Law Dog] #7187704
02/18/21 11:12 AM
02/18/21 11:12 AM
Joined: Jan 2008
Posts: 4,583
The Panhandle of Alaska
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mad_mike Offline
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The Panhandle of Alaska
Penny wise/pound foolish

Replace it.


Advice? Wise men don't need it. Fools won't heed it.
Re: Melted air filter how to clean it? [Re: Law Dog] #7187750
02/18/21 11:43 AM
02/18/21 11:43 AM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Law Dog  Online Content OP
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Central, SD
Don’t know what could of got into the box it’s in a box with clips, it would not start so it did backfire a few times (bad plug) and I could smell gas. I’ll clean the tube and put the new filter on it one way or another I’ll get it clean. LOL


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187758
02/18/21 11:48 AM
02/18/21 11:48 AM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Law Dog  Online Content OP
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If you ever sprayed a foam cup with carb cleaner you would understand what I’m hoping to find here.


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187795
02/18/21 12:12 PM
02/18/21 12:12 PM
Joined: Sep 2007
Posts: 5,947
South metro, MN
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Calvin Offline
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South metro, MN
Foam filters will all of a sudden break down at a certain timeframe. At least you caught it before it got sucked into the engine. Rocky Mtn ATV will have the part.

Re: Melted air filter how to clean it? [Re: Law Dog] #7187814
02/18/21 12:30 PM
02/18/21 12:30 PM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Law Dog  Online Content OP
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Central, SD
Tough choice between a $40 carb or $80 tube if I replace that. I’ll try the carb cleaner the brake cleaner I have both on hand the parts cleaner or gasoline will be next. I’m in no hurry.

Will keep you posted on what works.


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Calvin] #7187817
02/18/21 12:31 PM
02/18/21 12:31 PM
Joined: Dec 2011
Posts: 10,308
MT
S
snowy Offline
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MT
Originally Posted by Calvin
Foam filters will all of a sudden break down at a certain timeframe. At least you caught it before it got sucked into the engine. Rocky Mtn ATV will have the part.

^ this.


Give me a fish, I will eat for a day. Teach me to fish, I will eat for a lifetime
Re: Melted air filter how to clean it? [Re: Law Dog] #7187845
02/18/21 12:45 PM
02/18/21 12:45 PM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Central, SD
Should put on a K&N paper replacement one but they are crazy priced. $80


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187864
02/18/21 12:57 PM
02/18/21 12:57 PM
Joined: Dec 2006
Posts: 21,536
Sandhills Nebraska
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Gary Benson Offline
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Sandhills Nebraska
I may be misunderstanding the concept but would steel wool shine up the tube?


Life ain't supposed to be easy.
Re: Melted air filter how to clean it? [Re: Gary Benson] #7187886
02/18/21 01:13 PM
02/18/21 01:13 PM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Central, SD
Originally Posted by Gary Benson
I may be misunderstanding the concept but would steel wool shine up the tube?



I will most likely wire bush it or steel wool in then blow it out with the air compressor to see if I can get where it needs to be to go back into the ATV. The main issue is this glue like melted foam that needs to come out. I will check the junkers at the farm, maybe I can find a clean one in a dead 4 wheeler!


Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187963
02/18/21 02:20 PM
02/18/21 02:20 PM
Joined: Dec 2010
Posts: 34,757
Central, SD
Law Dog Online content OP
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Central, SD
I got the loose jelly type stuff off now it is more caulk like it scrapes off then leaves a thin layer blocking the tiny holes but the carb cleaner seems to remove most of it I’ll keep at it I have cams to put out today I’ll let it soak until tomorrow then spray it again and air blow it out. It’s getting there.

[Linked Image]

Last edited by Law Dog; 02/18/21 02:21 PM.

Was born in a Big City Will die in the Country OK with that!

Jerry Herbst
Re: Melted air filter how to clean it? [Re: Law Dog] #7187983
02/18/21 02:35 PM
02/18/21 02:35 PM
Joined: Dec 2006
Posts: 11,895
Oakland, MS
Drifter Offline
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Oakland, MS
I am wondering if gas might not be what happened to it. Our Honda is leaking now and will put a new carb on it rather then fight the float or whatever problem.


Some individuals use statistics as a drunk man uses lamp-posts — for support rather than for illumination.

Andrew Lang (1844-1912) Scottish poet, novelist and literary critic









Life member NTA , and GA Trappers assoc .
Re: Melted air filter how to clean it? [Re: Law Dog] #7188551
02/18/21 09:11 PM
02/18/21 09:11 PM
Joined: Jul 2012
Posts: 31
iowa
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b line Offline
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Joined: Jul 2012
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iowa
sand blast it ?

Re: Melted air filter how to clean it? [Re: Law Dog] #7188579
02/18/21 09:29 PM
02/18/21 09:29 PM
Joined: Feb 2010
Posts: 19,689
pa
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hippie Offline
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pa
Torch might get the worst of it, then wire wheel.

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