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Old 07-12-2005, 07:07 PM   #1
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Default LC21B7 Carb

I bought a Thunder Tiger Eb4 S3, and it came with the LC21 B7, My question is, I have NO manual or docs on the Carb, (NO luck searching the internet for docs) what I thought was the LSN, might have been the Idle etc...All I know now is the HSN, and I have taken the needles out and cleaned them,can anyone tell me Which needle is What? LSN, Idle, and Midrange needle? and what Factory settings are. I do have Pics I can send up, I'm new to Nitro, but have running Electric Mod 1/10 Scale for yrs.THANKS, any help would be appreciated
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Old 07-12-2005, 09:54 PM   #2
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HSN is the long tube. 3 turns out

LSN is the one on the carb boot 4.5 turns out ~ make sure when closing the LSN all the way in you open the carb fully otherwise it will damage the needle

MSN is the one opposite to the carb boot - next to the HSN

MSN should be flush and take off the HSN, the hole should be facing outwards.

Idles screw is below the HSN (adjusts the "closed" position of the carb - should be set to about 1mm)


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Old 07-13-2005, 05:49 AM   #3
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Quote:
Originally Posted by BigBadJabba
HSN is the long tube. 3 turns out

LSN is the one on the carb boot 4.5 turns out ~ make sure when closing the LSN all the way in you open the carb fully otherwise it will damage the needle

MSN is the one opposite to the carb boot - next to the HSN

MSN should be flush and take off the HSN, the hole should be facing outwards.

Idles screw is below the HSN (adjusts the "closed" position of the carb - should be set to about 1mm)



Thank You for your help, it's greatly appreciated!
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Old 07-13-2005, 05:06 PM   #4
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MSN should be flush and take off the HSN, the hole should be facing outwards.
[/QUOTE]

You lost me on that one, what hole should be facing outwards?
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Old 07-13-2005, 06:27 PM   #5
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Quote:
Originally Posted by dakilo
You lost me on that one, what hole should be facing outwards?
take off the HSN, and look into the carb... now turn the MSN you will see the MSN adjust and turn it so the spray hole is facing towards you. the hole should face you at every 90deg increments,

what i do is mark the 90degree increments out on the outside of the MSN so i know when the MSN faces outwards, without haveing to look thru the HSN.

it like the sun and moon aligning for a solar eclipse


cheers
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Old 07-13-2005, 11:01 PM   #6
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Quote:
Originally Posted by BigBadJabba
take off the HSN, and look into the carb... now turn the MSN you will see the MSN adjust and turn it so the spray hole is facing towards you. the hole should face you at every 90deg increments,

what i do is mark the 90degree increments out on the outside of the MSN so i know when the MSN faces outwards, without haveing to look thru the HSN.

it like the sun and moon aligning for a solar eclipse


cheers
It does'nt show me nothing inside the HSN hole.here's a few pics.I did see the 4 holes in the MSN though.)

Last edited by dakilo; 07-16-2007 at 03:46 PM.
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Old 07-14-2005, 12:28 AM   #7
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did u use pliers to take off the whole HSN barrel?

what do u see when u turn the MSN?
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