Hydraulics

If swallowed, large volumes of Hydraulic fluid can cause generalized depression, headache,drowsiness, nausea, vomiting and diarrhea. Smaller doses can cause a laxative effect. If aspirated into the lungs, liquid can cause lung damage.


Hydraulic fluid does not contain any components at concentrations above 0.1% which are considered carcinogenic by OSHA, IARC or NTP.

To check go to back of tractor just above and to the right of pto should be a red or off red dip stick that's your level indicator for your hyd. Oil

if you found one, please send it to me tomfitzy@yahoo.com thanks

Filter needs cleaning filter needs changing and also hydraulic oil. on my 1975 830 their is also a strainer that needs to be cleaned with diesel fuel. it is under the tractor and has a allen head that you take loose to remove it.

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Oil leaks in trucks or any vehicle can result in loss of lubrication for the engine, and results quickly in damage to the engine. Similarly, transmission or brake fluid leaks are also very damaging to the operation of the vehicle. So, if a leak starts, you need to get it fixed.

if you are referring to the sight glass when the tractor is running the fluid will not be seen in the glass because it will be in all the hydraulic lines and pumps

9 CC/rev or .549 cu. in/rev which at 2100 rpm PTO speed equates to 5 gallon/min. At 2500 max rpm it would be 5.94 GPM at 100 % efficiency. Actual output should be around 88 to 90 %.

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Permeability is a measure of how well a porous media transmits a fluid. It has nothing to do with the fluid itself. It is measure in (length)2.

The Hydraulic Conductivity is a measure of how easily water moves through the porous media. It depends on the permeability of the matrix, but also is a function of the fluid. It is a measure of (length)/(time)

I found the following info that answers this question at

http://www.hyjacks.com/H7.HTM

River hydraulics involves flowing water and its impact on the landscape. This includes the hydraulic characteristics of streams and rivers ranging from dam break analysis to sediment movement analysis.

Hydraulic is used in terms to define liquid. Hydraulic mining in the ole days was used by high pressure water. Hydraulic lines contain oil for cranes, booms, etc.

Heavy! Just had to lift one with 2 other guys at work today and wanted to know the weight...thanks

Most plumbing or pipefitting suppliers have charts that show what size pipes you need to provide the proper flow rates at various pressures.

You have a leak somewhere. Good chance it is a leaking check valve, located either at the pump, and at the end of the pipe down the well.

Force=Area*PSI

Area=Pi*R^2

Hope this helps

For a double-acting cylinder:

pi/4(d1^2-d2^2)y

where: d1 = diameter of bore

d2 = diameter of rod

y = psi of system

The Roman scientist and inventor, Archimedes, was one of the first to invent the lift in 236 BC. His machine was for lifting heavy stones used for building. The modern lift was invented by Elisha Otis in the mid 1800's. Others had tried to design a lift, but failed because of the lack of brakes. Elisha Otis designed a safe braking system for the lift.

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You do an easy task, E.g pushing down on a pad and the way it works is in the pad there will be a small cannister containing fluid, and on the other end will be a slightly larger cannister, which will be empty. As you push down on the small one the liquid will travel across a pipe and push the bigger one up, which in turn will move something up using the tiniest of forces.

Any kind of hydraulic fluid, it is all fundamentally the same.

No, NPT threads are not compatible with NPSM threads. A pipe with NPT threads tapers slightly, while an NPSM-threaded pipe does not taper.

You can't switch it out for anything else that I'm aware of, and I wouldn't suggest you try this. Too many systems are affected by the hydraulic oil.

I buy my hydraulic oil (HSMO)at http://www.motorcarsltd.com. They have the best price I have found online and they ship pretty quick. You'll find it in their online catalog under materials & supplies.

The manifold block directs the hydraulic fluid into or out of the cylinder.

Thanks for the info. My top doesn't always go down, but of course today when I took it to the dealership it worked. Where do I find the conv. motor? (I've only had the car a couple of months.) 98' Mustang

Not sure if your motor is the same as mine ('71 Cutlass), but mine says the same thing: fill with Type A transmission fluid. Mine has a rubber plug on one end of the motor. All I have to do is pull that out (carefully so as not to tear it) and funnel in the fluid. After you fill it (until it runs out the hole) I would recommend running the top up and down a few times, then refill it. This should bleed out any air in the hydraulic lines. It's that easy for me...hopefully yours is the same. Oh, and I believe that Type A transmission fluid is equivalent to today's Dexron III or MERCON. Good luck!

Filling the reservoir until fluid runs out is a disaster waiting to happen. The reservoir should be filled with the convertible top in the lowered position and the final level should be approximately 1/4 inch below the bottom of the fill hole. Here's why: The reservoir is a buffer. There is always fluid in the upper and lower portions of the lift cylinders. When the cylinder rod is fully retracted, the reservoir is at it's highest level. This is due to the cylinder rod displacing some of the fluid in the cylinder. When the rod is extended (top raised) the entire bottom of the cylinder fills and reservoir level wiil be at it's lowest point. Imagine what happens if you fill the reservoir while in this position, and especially if you fill it until fluid leaks out. Hmmm, lower the top, level rises until there is no more room in the reservoir (or air volume is compressed until pressure blows the oring seals out). At this point, pressure in the reservoir will be greater than 300psi. (these pumps dead head at about 300-350psi) This means the main oring seal will blow out and the fluid in the reservoir will now be in your trunk. No one wants that.