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BeetleUy
Samba Member
Joined: February 04, 2013
Posts: 156
Location: Uruguay
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 Posted: Thu May 15, 2014 6:22 pm Post subject: H30/31 inner lines |
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Is there any diagram that shows the inned lines of the H30/31 carb?
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VW beetle - 1986 - 1600 dp
H30/31 - SVDA
7.9:1 CR |
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cletus_zuber
Samba Member
Joined: January 08, 2010
Posts: 2475
Location: Gladstone, Ore
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| Posted: Thu May 15, 2014 6:53 pm Post subject: |
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Same principle here:
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1972 1302
HPMX 40's & 019 |
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glutamodo 
The Android
Joined: July 13, 2004
Posts: 26533
Location: Douglas, WY
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| Posted: Thu May 15, 2014 7:25 pm Post subject: |
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Hey, I recognize that above image! (I'm the one who created it with those translations, someone put my image into theSamba gallery, which I do not mind) https://www.thesamba.com/vw/archives/info/glutamod...German.jpg
So anyway, you mean the passenges? The auxiliary fuel jet leads mostly to the air bypass screw, the pilot jet leads to the idle circuit and transitional circuit.
The H30/31PICT is mostly based on the 31PICT-3 carburetor, (except it's set up for vacuum advance like the 1970 30PICT-3 was, which was the first carburetor of this general design) If you can follow German, there is a Solex manual in the Archives that shows the idle circuits in a schematic diagram. http://www.thesamba.com/vw/archives/manuals/solex_30_34_german.php
Some time back I went and used a couple of those illustrations and added translations and color to help illustrate the Auxiliary and Idle(Pilot) fuel systems. I never got around to putting them in the Gallery so I'll do it now - these are idealized schematic diagrams so reflect the overall fuel flow through those passenges but are not actualy blueprint style schematics that show the actual orientation of these jets on the carburetor body.
The enrichment circuits, or "power fuel system" for high speed enrichment, draw simply directly from the bowl to the dual outlets in the top half of the carburetor.
-Andy |
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BeetleUy
Samba Member
Joined: February 04, 2013
Posts: 156
Location: Uruguay
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| Posted: Fri May 16, 2014 4:59 am Post subject: |
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Thank you for the photos, i hope they help me to clean the carb..
_________________
VW beetle - 1986 - 1600 dp
H30/31 - SVDA
7.9:1 CR |
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