Posted by charles todd on December 30, 2009 at 18:26:15 from (205.242.95.137):
In Reply to: 504 hydraulics posted by Wardner on December 29, 2009 at 05:41:11:
Marty Posey said: (quoted from post at 08:41:11 12/29/09) New purchase. The hydraulic pump sounds like it it getting air in the system. Where do I check the level and what type of fluid do I need?
If it sounds like "air" in the system or cavitating, I'd suspect the filter first. If it has the stock twin pancake/dounut filters they plug easily and quickly. Especially if there is any moisture present. The best investmet I made towards my 504's hydraulics was a filter extension kit. See below.
As for the level, I have yet to find the mysterious plug to on the left side of the tractor. Also I have never used the fill plug on top of the transmission. I fill mine through the fill plug on top of the IPTO until it covers the clutches. I may be wrong in this but I have an IH operators manual, I&T manual, and Blue Ribbon manuals I can check to verify this.
I run a 17 GPM pump, power steering, and a Koyker loader. No problems with oil via my method.
For the steering issues, I have a suggestion but maybe not the cure. These use a torque generator. Basically it is a hydraulic assisted hand pump operated by the steering wheel. This multiplies the force and transmits it through shafts and 4 or 5 U-Joints to the steering box. Over time slack develops in the splines and U-Joints. These will bind up. Raising the lift may lessen the weight on the front tires or slightly move the tractor. I find if mine locks up, I can rock the clutch and the steering frees. Also possibly you may need to adjust the flow divider on the LH side of the tractor above the clutch pedal. It may require some penetrating oil to free the thumb screw. I can turn mine by hand now.
I am available for future 504 questions. Good Luck!
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