Even though modern hydraulic
systems are more reliable than ever before, they still stop working correctly
occasionally. A hydraulic system can fail for a variety of reasons that range
from a failing pump or a severe leak. When it stops working, it can cause a
slowdown in production or might bring it to a complete halt depending upon your
setup. Locating the source of the problem requires knowledge, common sense and
experience. For this reason, we provide you with the following list of things
to check when your system stops operating.
Hydraulic Fluid Levels and Type
Always verify whether the hydraulic fluid levels are where they should be when
there is a problem with your system. If the levels are low, there may be other
issues causing it or you may just need to add new fluid to bring up the level.
In addition, if the type of fluid is inappropriate for your system’s
temperature, it can work more slowly than recommended.
Hydraulic Filters
Filters that are clogged or dirty will severely impact the performance of your
hydraulic system. Replace the filters regularly to avoid this issue.
Hydraulic Lines
When these lines cannot deliver hydraulic fluids at the appropriate rate, the
entire system is affected. Reasons for issues with these lines include them becoming
clogged or collapsing.
Pump
Problems with the pump also can cause a malfunction in your system. If the pump
is dirty, out of alignment or due for replacement it can dramatically lower the
performance of your system. Also, a pump contains couplings, belts or suction
lines that may require attention to prevent issues.
Air Trapped in the System
Another thing to check for is there is air trapped in your system. This can
cause it to operate erratically.
Oil Level
At times, a hydraulic system becomes excessively noisy or develops undesirable
vibrations. Either can be caused by an insufficient oil level or the oil
containing air. Check not only the oil level but also the suction line and
inlet screen to ensure they are not plugged or clogged. Remember to be certain
that the oil is the right viscosity on top of all this.
Heat Levels
Excessive heat in a hydraulic system also is a reason for
the system malfunctioning. One purpose of the hydraulic fluid is to control the
generated heat, but when the system overheats it can cause the fluid to heat up
as well. The fluid overheating can be due to the levels being too low or
contaminated. Oil may be seeping through the relief valve too, and the control
valve may need adjusting. Worn components also can make the system develop
excessively high temperatures.
The above are just some examples of the things to check when your hydraulic
system malfunctions. Be certain to include every part of it in your inspection
to locate the issues.
Factory 89, 38-40 Popes Road
Keysborough, Victoria, 3173
Phone: (03) 9798-6511
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