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Allis Chalmers Discussion Forum

WD Zenith Carb Settings -Idle Jet Size

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04-05-2008 10:40:49

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Can someone give me the beginning settings
for the idle needle and power needle. I also
would like to know what the correct idle
jet size should be. Thanks

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Jerry Coulter

04-05-2008 11:51:35

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 Re: WD Zenith Carb Settings -Idle Jet Size in reply to dave_ritt, 04-05-2008 10:40:49  
There are 3 models of Zenith carbs used on WC. The idle jet for 61AX7 is size 16, for 161AX is size 12, and if the 124-1/2 top, size 11. It is standard practice to open adjustable jets 1.5 turns for an initial setting.

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Jerry Coulter

04-05-2008 13:27:39

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 Re: WD Zenith Carb Settings -Idle Jet Size in reply to Jerry Coulter, 04-05-2008 11:51:35  
OK, WC and WD used the same carbs. The jets would be the same on a per model basis.

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