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TURBO PUMP REPAIR SERVICE

Turbo Pump Repair Blog

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TURBO PUMP REPAIR BLOG

September 21, 2023 siteadmin

Turbo pumps are a critical component of many industrial processes including
surface treatments, manufacturing television and monitor picture tubes and
semiconductor processing. They use a rotating turbine rotor to create vacuum by
hitting gas molecules and directing them toward the exhaust.

While there are a few ways that a turbo pump can fail, most are fairly simple to
fix and will require only some basic tools.


VACUUM PROCESSES

Vacuum processes are used in various fields of science and engineering. These
processes are designed to operate with extremely low atmospheric pressure, and
the vacuum pumps that are used to achieve this condition must be able to perform
as efficiently as possible for long periods of time. The process of achieving a
vacuum can involve a number of different components, including gauges, vapor jet
and pump systems, vacuum traps and valves and extensional piping. The system
must also be able to sustain a constant level of vacuum for the duration of its
operation.

The performance of vacuum pumps is dependent on a number of factors, including
the design of the pump, oil quality and the amount of moisture in the system. In
addition, it is important to maintain proper maintenance on the vacuum system in
order to ensure that it achieves its desired level of vacuum. Performing regular
visual inspections of the vacuum pump can help to identify any potential
problems with the system and determine when it is time to contact an experienced
professional for repair services.

One of the most common problems encountered with rotary vacuum pumps is
backstreaming. When this happens, the pump oil can contaminate the vacuum system
and hinder its ability to reach the ultimate vacuum. In most cases, this problem
can be prevented by using the correct pump oil and monitoring it for signs of
contamination.

Another important factor in ensuring that the vacuum pump system operates
properly is the proper sealing of all connections. Leaks in the sealing process
can result in loss of vacuum, and it is vital that all connections are tightened
and resealed on a regular basis to prevent this.

Performing these simple maintenance tasks can greatly extend the lifespan of the
vacuum pump, but it is important to recognize when a pump is exhibiting signs of
problems that may require more extensive repair services. The most obvious
warning sign is a noticeable change in the performance of the vacuum pump. For
example, a change in amp draw can indicate that the pump is working harder to
achieve a certain level of vacuum, which could lead to premature wear and tear
on the motor and other parts.


INDUSTRIAL APPLICATIONS

Many industrial applications require specialized equipment and processes that
are not found in other industries. For example, a pump used in manufacturing may
be designed to handle corrosive materials that are difficult to pump. Likewise,
industrial devices like computers or smartphones are designed for use by large
numbers of people and companies, so any failure could have far-reaching
implications. In contrast, commercial and consumer applications are typically
less risky and have a much smaller scope of operation.

A typical vacuum system is made up of a pump or multiple pumps plus connecting
tubes, valves and control systems. While most pump manufacturers offer a range
of standard pumps, many also provide custom models that are specifically
designed for industrial applications. These are often the best choice for
industrial applications because they can be tailored to specific processes and
have built-in features that address common problems seen in the field.

For example, if you are using your pump to pump corrosive gases, you need to
take special precautions to protect the motor / bearing area and rotor against
corrosion. The solution is to install a special fore-vacuum gas valve that
admits a defined inert gas into the motor / bearing area. This gas is then
pumped down with the corrosive gas through labyrinth seals and back to
atmospheric pressure when the pump stops running.

Another issue that can be easily addressed is excessive vibration or a noisy
pump. Vibration and noise are usually caused by gradual wear that causes the
shaft position to shift slightly until rubbing develops between the gears or
impeller. If this continues, general damage to the casing and gears is likely to
occur.

At PSI, we have experience with a wide variety of industrial pumps, including
air-operated double-diaphragm, bellow, rotary vacuum and cryogenic pumps. We
have repaired a number of different manufacturers’ pumps, including Beach-Russ,
Dayton, Gardner Denver and Mitsubishi. We are also experienced with repairing
and maintaining abrasion-resistant ceramic, stainless steel and Hastelloy vacuum
pumps. Our technicians are available 24 hours a day to service your industrial
pumps. Contact us today to learn more about our services and how we can help you
protect your investment in a high-quality vacuum pump for your industrial
application.


MAINTENANCE

A good vacuum pump needs proper maintenance to keep it working at its best.
Regular tune-ups can identify future service issues and prevent costly repairs
or unplanned downtime. Preventative maintenance also helps you extend the life
of the equipment by keeping it running to the specifications it began with.

For example, if you notice your vacuum pumps have to work harder to reach the
same pressure level, it may be a sign that their seals are wearing out.
Inspecting the seals regularly and replacing them when necessary will keep your
equipment running at its maximum performance and lifespan.

A leaking shaft seal is another major issue that must be repaired immediately.
Leaking shaft seals can damage the shaft and lead to expensive replacement
costs. In addition, a damaged shaft will also cause the pump to operate outside
of its tolerances and can potentially create dangerous vapors or debris.

Inspecting the seals and replacing them when needed will help extend the life of
your vacuum pumps. Inspecting the shaft seals and replacing them when necessary
will help extend the life of your vacuum pumps.

Other common problems include high horsepower or an inability to reach the
specified vacuum pressure. These are typically easy fixes that can be performed
in-house. For example, a high horsepower problem can be caused by an incorrect
V-belt tension or misalignment, a restriction in the suction piping, or
operating the equipment at a higher speed than recommended.

When a mechanical seal fails, it can cause severe damage to the pump’s rotor
assembly and reduce its lifetime. In many cases, it’s much less expensive to
replace the rotor assembly than it is to replace the entire pump.

If you suspect your mechanical seal has failed, the first step is to remove the
rotor from the pump and inspect it. Look for visible signs of wear, such as
scratches and dents on the surface of the rotor and its hub. It’s also a good
idea to perform an inlet vacuum test. This will allow you to determine whether
or not the rotor is leaking by measuring the vacuum difference at the inlet
ports.


REPLACEMENT PARTS

Designed to meet your maintenance needs, these kits are complete with the parts
and tools needed to repair the Edwards turbo molecular pump. These repair kits
contain all original replacement parts allowing your maintenance team to start
work with all of the materials needed for a successful repair reducing downtime
and saving you money in the long run.

These units employ five-axis (2x, 2y and z orientation) active magnetic bearings
(located on either end of the rotor shaft) with position sensors that provide
variable magnetic field control. Because they do not use mechanical bearings
these TMP’s require no lubrication and have very low transmission vibration.

These systems are designed to pump corrosive gases that would quickly destroy
lubricated mechanical bearings. They also do not have a mechanical seal and are
limited to a maximum pressure of 30 bar.


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