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Hydraulics

Due to its immense power, hydraulics are used for operating various machinery, vehicles, aircraft, ships and equipment. The data and engineering revolving around hydraulics is so vast, its hard to comprehend.

1,856 Questions

What is the difference between hydraulic motors and pumps?

A hydraulic pump uses an external mechanical force to pressurize the hydraulic fluid. A hydraulic motor uses the pressurized hydraulic fluid to apply a mechanical force an external machine.

See the difference between a pump and a motor.

What is the advantage of a hydraulic shaper?

1) The cutting speed is constant almost throughout the stroke

2) The ram stroke reverses quickly with out any shock as the oil on either side of the piston provides a cushioning effect hence , vibrations are minimum

3) a number cutting speeds can be obtained and control is simpler

4) more strokes per minute can be obtained at a given cutting spee3d

Advantages of hydraulic jacks?

Hydraulic jacks have the advantage of working quickly to raise or lower items like autos. A hydraulic jack is filled with fluid and can lift heavier loads while using less force.

Does and air bag in an automobile use hydraulics and pneumatics?

Niether. Although it is possible to inflate an airbag with pneumatics, most car airbags are actually inflated by an explosive charge called sodium azide, which is even faster than pneumatics. Airbags only have a fraction of a second to inflate, which is why a sodium azide explosive charge is used.

Inflating an airbag hydraulically would be very bad - hydraulic fluid is incompressible, and thus can't absorb any crash energy. It would probably just burst even if you could inflate it quickly enough!

What hydraulic filters cross with speeco 390601A0?

What hydraulic filter cross references for new holland 340500951

Similarities between hydraulics and pneumatics?

easy: Both use pressure now hydrolics used liquids (liquids cannot be compressed) to exhert pressure pneumatics uses gasses which are compressed to exhurt pressure thtas the basics anyway

How do you check and add hydraulic fluid in a case 930 tractor?

Remove the breather cap at rear of tractor, on the left side of the PTO it pulls straight out. It has a dipstick on it. You should be able to add fluid there as well.

How much hydraulic oil for 773 Bobcat?

Hydraulic Reservoir 4.8 gal

Hydraulic System 8.5 gal

Chaincase Reservoir 9 gal

What is the first step when changing a hydraulic filter?

Read this blog post to learn the proper filter element change out ... We have compiled a step-by-step guide to minimize contamination .

Where is the hydraulic oil fill on a cat 416 backhoe?

Left side front hood, unden a lift panel in front of the radiator...

How do you add hydraulic fluid to a hydraulic cylinder jack?

How to add hydraulic jack oil to an hydraulic jack (floor jack or bottle jack).First, don't open the Check Valves!The most common mistake with a floor jack is to open one of the check valves (or their covers) instead of actually finding the fluid reservoir plug. Be sure you have found the filler hole (which can be very tricky to find on an oily old jack -- it's probably a small rubber plug that might even be painted the same color as the rest of your jack, hiding on the housing of the main hydraulic ram, NOT on the base. The screw/bolt heads on the base are the check valves. If you open a check valve, the springs and check balls might come out under pressure, and your jack won't ever work again unless you can find them and put them back in the right places

If your jack needs oil, even after a couple of years, it probably also needs new seals. Adding oil might let you use it a while longer, but you should probably replace the seals (or if it's a cheap Chinese/Taiwanese jack, just get a new jack). American- or Japanese-made jacks are probably worth resealing. Please always use jack stands so when the seals really blow out you don't end up crushed.

You're probably going to just put jack oil in anyway (or maybe you did replace the seals and now you need to put jack oil in), so here's how to do it:

  1. Use Hydraulic Jack Oil (available at auto parts stores). Do not use brake fluid, which will turn the seals into useless cheese.
  2. Be sure you have found the oil reservoir hole, not one of the check valves. Do all the following work with the jack rightside up (and don't store the jack upside down or on its side).
  3. Clean the plug and jack body around the hole. Any debris in the oil can easily cause damage later.
  4. Release the valve/lower the jack (turn the jack handle counterclockwise).
  5. Unscrew or pry out the plug as appropriate. Fill the reservoir. A tiny funnel will probably make this a LOT easier).
    1. Close the valve and raise the jack slowly enough to not blast oil back out the hole. The reservoir level will go down, which is normal, and you shouldn't add oil now.
    2. Slowly lower the jack (again, just don't blast a bunch of oil back out the hole). Air bubbles may come out, causing a few drips of oil to come out too, in which case you should add oil until the reservoir is full, then go back to the previous step until you can lower the jack slowly without a bunch of bubbling.
  6. Bleed the air out of the system:
  7. Re-plug the filler hole, test out the jack, and you're done, although you should still replace the leaking seals if you didn't already.

Remember to always work on hard, level ground, use jack stands, chock the wheels, and set the parking brake.

What type of hydraulic oil is used in Massey Ferguson 65?

You may use two different hydraulic oil 1st is a 80-90 hydraulic oil available at the same store, also the recommended orginally was a mineral oil 90w . I have found both of these at your local tractor supply stores. The mineral oil is the least expensive running about $16.99 for two gallon container. The mineral oil will say on it for Ford 1952 through the 1960 years. It is the same again as the orginal mineral oil specified in the service manual.

Both of these oils fill the transmission combination rear axle and hydraulic. There is one fill hole as you set on the drivers seat and look down at the left side of shift handle about 5 inches over you will see the hex headed plug for filling. The dip stick is on the right side below the hydraulic handles and at about heal level above the running board again as you set on the seat. There is a hole passage way that connects the transmission differetial hydraulic together about 32 quarts of oil is needed to fill don't forget to check and don't over fill. Check this level occasionally especially if you are leaking some around the pto shaft output.

What is an output in hydraulic called?

The output of the hydraulic system for hydraulic fluid with a "T" is displayed.

What hydraulic fluid for bobcat 721?

All Bobcats use Bobcat Premium Hydraulic/Hydrostatic Fluid.

What is iso vg 46 hydraulic oil?

vg stands for viscosity grade. Hydrualic oil comes in many grades.

How do adjust hydraulic pressure on a 1085 Massey tractor?

If your pressure relief valve is adjustable, you increase the pressure relief setting.