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Home✈️Aircraft🛩️Fixed-WingFixed-Wing Main Discussion › ZENOAH G380PU AND WALBORO WT-338 CARB
07-15-2020 10:54 AM  9 months ago
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MattJen

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UK

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ZENOAH G380PU AND WALBORO WT-338 CARB
HI Folks,
I recently bought second hand a Christen Eagle 2 28% from one of my club members, it has sat his shed for over 5 yrs, it has been stripped and cleaned and repaired on covering,
I am having trouble starting the engine, it is not sucking any fuel, the engine doesn't seemed to have been used as inside there is no signs of any fuel marks.
I thought at first it was the carb, so as the gaskets and diaphragm were brittle due to lack of use I replaced them all including needle valves.

It came with this spacer between Carb and Exhaust manifold, is this needed ? as it seems to fit at a funny angle, the only benefit I can see is a shorter throttle arm, I wanted to know if this part is needed ? and if there is a decent image of the Walboro WT-338 carb, as all the manuals I can find are general not number specific, as mine doesn't have a primer.

All The Best
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07-15-2020 11:29 AM  9 months ago
Notar

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Taxachussetts

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I think that is more insulator block than spacer. Check to be sure the ring is not stuck in the piston and can rotate.
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07-15-2020 12:56 PM  9 months ago
dgoss999

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UK - Lancashire

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Is the plug getting wet? Did you blow any cleaning solvent through the jets so see if the are clear?https://www.facebook.com/scale.skids.52
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07-15-2020 01:21 PM  9 months ago
MattJen

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UK

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Hi All
Thanks for suggestions, yeah i took the carb apart, used brake cleaner in every hole, really blasted it and then with anew carb kit replaced all gaskets.
Will try and re start later today.

The plug was bone dry, hence why i took the carb apart.
All The Best
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07-16-2020 02:18 AM  9 months ago
MattJen

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UK

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Hi again,
i took off the butterfly valve but forgot to take a pic before hand GRRRR,
i noticed the butterfly has a tiny section cut out, what is the orientation when it goes back in ? does anyone know ?

All The Best
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