[AT] Fw: Ih 504 2nd try??

[Kevin]

No front end loader, just the 3point hitch lift.  Thank you. I think its 
going to be OK
Again thank yall

----- Original Message ----- 
From: "Ralph Goff" <alfg at sasktel.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, January 24, 2007 7:59 PM
Subject: Re: [AT] Fw: Ih 504 2nd try??


> Mike Sloane wrote:
>> I would say that you are pretty much the limits of a 1700 or 2000 series 
>> IH loader, but you might be having some problems due to a worn pump. You 
>> probably need to follow the service manual procedures for checking the 
>> hydraulic pressure on the system. If you are getting full pressure out of 
>> the pump, then you need to look to worn valves that are letting fluid 
>> bypass from the pressure line to the return (does it "hiss" when you try 
>> to lift?). You could also have a weak pressure relief valve, but you need 
>> to be careful when messing around with that - it is there for a reason!
>>
> Different front end loaders will affect hydraulic performance too. Some 
> have more "leverage" than others but the biggest difference is the size of 
> the lift cylinders. A small bore cylinder will lift faster but won't have 
> as much lifting power. Big bore cylinders take more oil, lift slower, but 
> should lift a heavier load. My old Massey Super 90 seems to have pretty 
> good lifting power on the loader with its big lift cylinders but its slow. 
> Haven't found much that it won't lift though.
>
> Ralph in Sask.
>
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