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Next we will examine procedures commonly used for service and installation. Many times new system installations and service of old systems are often completed with errors. "Piping in" a system can be an arduous task, at best, and almost impossible for the inexperienced. Making repairs to hydraulic systems that have been running for years without assistance can also be difficult for mechanics who have no experience making repairs on these systems.
Installation: Installation of new hydraulic components can include installing pump and motor combinations with bases, sumps, actuators, valves, conductors, accumulators, control components, and many other parts related to your own system.
The most tricky of these component installations are the conductor installations. The conductors are the "piping or tubing" that connects the pumps, valves, actuators, and all other aspects of the hydraulic systems. Choosing the proper conductor will likely already be done for you and indicated on the blue print or schematic you are using for reference. Proper installation techniques such as bend radiuses, flaring, and compression nut torques may not be on these drawings. There are many reference materials but one of the best out there is the "Berendsen Fluid Power Lightning Reference Handbook." This handbook will give you all the information needed to successfully complete installation of fluid conductors and various connection components and techniques.
Service: Service of hydraulic components is just as necessary as the service of your car. As necessary as it is, it is often over looked as "more important" work is accomplished. Various components of the modern hydraulic system need regular service in order to provide trouble free operation for years to come. These components can be but are not limited to: pumps, filters, strainers, accumulators, actuator seals, valve stem packing, valve seats, sumps, heat exchangers, and control components. The hydraulic fluid itself may need attention if it is of the Water Glycol or Phosphate Easter base, or if the system operating temperature exceeds normal hydrocarbon based operating temperature requirements. As you can see there are many components that need regular care and may not be getting the attention they need. A good preventative maintenance program is a must for most hydraulic systems. Systems can become completely inoperable if maintenance is not performed.
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