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pilot(at)ip6.com
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 Posted: Sun Mar 29, 2009 1:03 pm Post subject: Bing Carbs |
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I followed the advice of Roger and others and I rebuilt my carbs: what a
difference, the engine runs much smoother!
Ordered manual from Bing and Kit from CPS.
Followed the instructions plus a couple of advices from a mechanic:
- rebuild one at a time;
- make a diagram of the small side card for the choke.
If it is time, I recommend it
-- Silvano
Roger Lee wrote:
| Quote: |
Recommended rebuild is at 200 hrs. The kit is about $214. Parts wear whether you notice it or not. It is not hard, but you should talk to someone with experience first if you have never done it. There are a couple of things unique to the Bing. Doing it right the first time, not doing something wrong can save you a lot of heart ache and having to redo it again. They absolutely will need to have a mechanical and pneumatic balance when they are re-installed. The right way is cheaper, easier and takes less time in the long run. Trust me I have seen and rebuilt the "wrong way' ones enough.
The people who never do a rebuild don't do themselves any favors in the long run.
If you absolutely won't do it at 200 hrs. then at 300 or 400 hrs. The parts do wear!
If you just don't want to do it yourself then I'll do them for $50 plus the rebuild kit. One day turn around.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 25235#225235
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hgmckay
Joined: 23 May 2006
Posts: 397
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| Posted: Sun Mar 29, 2009 4:29 pm Post subject: Bing Carbs |
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Silvano:
What do you mean, "make a diagram of the small side card for the choke?
Hugh McKay
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pilot(at)ip6.com
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| Posted: Sun Mar 29, 2009 5:19 pm Post subject: Bing Carbs |
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If you take apart the choke carb for cleaning and replacing the O-ring
it is possible to reassemble the parts in two different ways and only
one is correct. The exploded part list is borderline to understand how
to reassemble the choke carb. Moreover the part list is only applicable
to one of the two carbs, since the choke carb is not assembled in the
same place for the left and right carb.
A little drawing of the handle and the holes simplify reassembling.
-- Silvano
Hugh wrote:
[quote]
Silvano:
What do you mean, "make a diagram of the small side card for the choke?
Hugh McKay
--
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Sun Mar 29, 2009 6:14 pm Post subject: Re: Bing Carbs |
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Hi Silvano,
Glad everything worked out ok for you. Was the carb balance any hassle for you?
I know what you mean about the chokes/enricher circuits. Some people have turned them around, but when you would go to start it and use the choke you would know something was up, you just might not know you had the enricher circuit turned around.
Bing, Rotax and several Mfg's recommend that carbs be rebuilt every 200 hrs. I agree in theory, but depending on the plane and pilot use some could go longer. Some guys go 800+ hrs and never rebuild. They just don't realize that these carbs are moving constantly inside and parts are rubbing together and "O" rings wear. The parts get out of tolerance and change the way things run, but they never really see it because it is a slow process. Some pilots think so long as it stays in the air everything is good. A plane is not the toy to be a high miler cheapskate like you hear about some auto drivers. If you can't turn lose of a few dollars for your own safety and that of your passenger you should probably own a go-cart and stay on the ground.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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pilot(at)ip6.com
Guest
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| Posted: Sun Mar 29, 2009 7:29 pm Post subject: Bing Carbs |
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Carb balance took a while, it required some patience, but at the end I
had a good balance in all the range
-- Silvano
Roger Lee wrote:
| Quote: |
Hi Silvano,
Glad everything worked out ok for you. Was the carb balance any hassle for you?
I know what you mean about the chokes/enricher circuits. Some people have turned them around, but when you would go to start it and use the choke you would know something was up, you just might not know you had the enricher circuit turned around.
Bing, Rotax and several Mfg's recommend that carbs be rebuilt every 200 hrs. I agree in theory, but depending on the plane and pilot use some could go longer. Some guys go 800+ hrs and never rebuild. They just don't realize that these carbs are moving constantly inside and parts are rubbing together and "O" rings wear. The parts get out of tolerance and change the way things run, but they never really see it because it is a slow process. Some pilots think so long as it stays in the air everything is good. A plane is not the toy to be a high miler cheapskate like you hear about some auto drivers. If you can't turn lose of a few dollars for your own safety and that of your passenger you should probably own a go-cart and stay on the ground.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 36770#236770
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http://www.matronics.com/Navigator?RotaxEngines-List |
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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