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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Best way to loosen stuck down carbie ?
10-19-2018 02:18 PM  11 months ago
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rrApprentice

downunder

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Best way to loosen stuck down carbie ?
Anyone know of a painless way to loosen up a stuck down carbie on my OS 37 which has been in storage a few years. I do not want to force on the plastic arm to avoid changing throttle settings and obviously do not want to take out the engine from the heli. ! I 'm sure heat gun is not an option in such a tight environment surrounded by plastic/rubber etc. Thanks!
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10-19-2018 02:59 PM  11 months ago
dialarotor

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Traverse City, Michigan

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a shot of PB Blaster or fuel should helpRapRexSynLogo Pilot
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10-19-2018 03:33 PM  11 months ago
Heli_Splatter

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USA

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Carb cleaner? For heat, think of using an electrical soldering iron sparingly. You might need to let it soak for a while in whatever solvent you use.
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10-19-2018 05:34 PM  11 months ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
/

The easy way and not disassemble is Reheat the carb body... Then lubricate...

Using a bunsen blowtorch...

/
Saludos cordiales,
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10-19-2018 06:15 PM  11 months ago
helitom

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Pine Grove, Calif, USA

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Heat the carb, while it is attached to the engine, with a hot air gun similar to that is used for Monokote; a hair dyer will also work. Once it is freed, and cooled off, run alcohol through to clean out then lube it up with after run oil.The older I get, the fewer things seem worth waiting in line for.
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10-19-2018 06:44 PM  11 months ago
ticedoff8

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Morgan Hill, CA. USA

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Anyone know of a painless way to loosen up a stuck down carbie on my OS 37 which has been in storage a few years. I do not want to force on the plastic arm to avoid changing throttle settings and obviously do not want to take out the engine from the heli. ! I 'm sure heat gun is not an option in such a tight environment surrounded by plastic/rubber etc. Thanks!
I highly recommend you do not take "shortcuts".
It has been in storage for "a few years".
Take the motor out and check everything else on the model
+ > ÷
Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!
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10-19-2018 09:59 PM  11 months ago
heli4fun

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TRUMP, USA

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Carb
I agree with ticedoff8,drop the motor.Like you mentioned,it's been sitting a few years so more than likely your rear bearings are rusted and need replacement.Lets' say you do get the carb situation repaired without removing the motor,that rear bearing will rattle after 5-10 flights at most due to sitting for so long (hell, it might even start to rattle on your first flight!).
Than,you're right back to your dilemma again of having to drop that motor anyway.It's a no brainer-
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