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Discussion Forum

CA valve adjustment

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A. Butler

04-16-2002 08:41:47

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I have an Allis CA with bent push rods. I suspect they have been bending a little at a time due to lack of adjusting the valves.The tractor was rescued out of a pasture where it had been sitting for about ten years,looks like it had seen little maintainence.It has started skipping,an exhaust valve isn't opening.My question is,what is the sequence for adjusting the valves? Or should I just adjust them one at a time as I staighten the push rods?I have 4 or5 which are bent.

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04-16-2002 17:25:35

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 Re: CA valve adjustment in reply to A. Butler, 04-16-2002 08:41:47  
take out the plugs and bring th episton up to top dead center on the compression stroke, then adjust those two vavles. most common reason for bent rods, is the vavles are tight in the valve guide. lube them with PB blaster, WD40, etc and tap each hammer on the top to see that they "snap" and do not drag, prior to installing the push rods.

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04-17-2002 07:20:15

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 Re: Re: CA valve adjustment in reply to steve, 04-16-2002 17:25:35  
Thanks for your help Steve,I'll look all that over as I re-adjust.

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