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Ih 300U hyd ports

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Brian S

03-13-2003 13:00:26




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Ports on side of Hyd tank under seat.
The tractor has three ports behind the spool valves for the loader, 3 different size ports.
Can anybody I.D. what each port does ??




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dick

03-13-2003 16:02:37




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 Re: Ih 300U hyd ports in reply to Brian S, 03-13-2003 13:00:26  
Large port in middle@top: supply line
Large port in front, half-way down: return line

Small port in front@top: control line - when blocked, hydraulic pump is unloaded (assuming no other control valves are active); when open (allowing flow INTO the control valve) the hydraulic pump loads up and high pressure fluid is available (hopefully) at the supply port



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