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Order Ford NAA Parts Online

NAA Hydraulics?

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Author 
TimNTX

03-11-2000 13:35:16




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Hi Folks - got the father in laws Jubilee in the
garage this morning, armed with a gasket/o-ring
set for the lift cover.

BTW, his main complaint was that on cold mornings,
the hydraulics worked good, but if trying to get
it to go on a warm day, it would take sometimes 5 minutes for the arms to come up.

Anyway, we got the lift cover done, new o-rings on
piston, & others. Put it back together, and NADA.

While we had the oil drained, I cleaned about 2
full cups of gunky grease from the bottom.

Pulled the lift cover back off, just to re-check,
and all seemed ok.. the piston wasn't stuck, etc.

Put an inverted cup over the pressure line,
started it up, and the oil just 'flowed'. It didn't seem to have any pressure to speak of. I
thought it should really shoot out. Also, there
was an o-ring ridge on the casting, but the I&T
manual doesn't show one, and there wasn't one
there.

Since the oil was flowing, does this mean the
prime was ok?

Rebuild of the hydraulic pump time? It is one
of the Piston style.

Thanks,

Tim

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Gary Hayes

03-15-2000 14:17:26




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 Re: NAA Hydraulics? in reply to TimNTX, 03-11-2000 13:35:16  
I also had trouble with the tubes under the tractor that run to the pump leaking with a loss of prime. The tube in the case (going up to the cover) can leak or be lose or damaged. The pump sounds like it might be the problem- but check the easy stuff first. follow the prime proceedure to be sure.

NAA hydraulics, a world apart from other tractors.



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