420 carburator pre-settings

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pastordon
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420 carburator pre-settings

Post by pastordon » Wed Jul 29, 2020 1:56 pm

I have rebuilt the carburetor on a 420 crawler, serial # 87987. What would be the rough adjustment (if any) before trying to start the engine? I understand how to adjust it after you get it cranked. I hve the 420 series service manual and the 2013 model 40 series tractor manual and neither one give a pre-settings. Any help appreciated. Thanks Pastor Don

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Lavoy
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Re: 420 carburator pre-settings

Post by Lavoy » Wed Jul 29, 2020 1:59 pm

I usually go a turn and a half on both and they should start at that setting.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
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pastordon
MC crawler
MC crawler
Posts: 5
Joined: Sun Jun 28, 2020 12:37 pm

Re: 420 carburator pre-settings

Post by pastordon » Wed Jul 29, 2020 6:01 pm

Thank you so much. I a[ppreciate your quick response. pastordon

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Lavoy
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Re: 420 carburator pre-settings

Post by Lavoy » Thu Jul 30, 2020 7:40 am

No problem.
Lavoy
Parts and restoration for antique and late model John Deere crawlers.
Owner and moderator www.jdcrawlers.com

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