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HomeIntroductionThe Simple TestThe Most Basic BasicsLet's Talk HydraulicsBack-Engineer This!BattlefieldKaboomLibraryNews ArchiveBla-BlaimerContactsGuestbook |
    Back-engineering or  reverse engineering is, quote, the process of analyzing an existing system to identify its components and their interrelationships and create representations of the system in another form or at a higher level of abstraction. Reverse engineering is usually undertaken in order to redesign the system for better maintainability or to produce a copy of a system without access to the design from which it was originally produced, end of quote.

    In human language, this means that when you have to deal with a pump you have never seen before, and can't get any information about its control operation, since the OEMs are profoundly scared of revealing this "secret" to anybody but their own (dumb ass on occasion) mechanics, you should take it apart, study it in detail, and then use the upper part of your body (the head mainly) to come up with the schematics and understand its operation. Why bother? Because you can not repair or adjust a pump's control properly unless you fully understand how it works!

    You can't get anywhere in this business without constant self-education, and hands on, without any doubt, is the best way to learn. We, mechanics, technicians, and other workshop-shy-not folks are given the unique chance to study components  in full detail through "direct contact". Catalogues are great, and it is always a time-saver to use technical literature WHEN you have one, but when you don't - backengineering is your only option.
  
    There are literally thousands of pump and motor manufacturers throughout the world, but there are only few basic designs. When you start recognizing them "on the spot",  you realize that all those weird looking adjustment screws, hidden orifices, spools and the rest of the crap you thought only an engineer would understand, actually make sense. In fact, the ability to recognize designs makes handling unfamiliar or "protected" components a "walk in the park"!

    When you strip a hydraulic component, PAY ATTENTION to details. Ask yourself questions, why is this orifice here? Where does it lead to? Why is there a spring? What if instead of this orifice you installed a plug? Be curious, MAKE the details to make sense!

    Whenever I disassemble a pump or a motor, even when it's a familiar model, I always follow closely all functional orifices, oil passages and valves to the smallest detail, thus not only reviewing the component's operation principle, but also detecting problems I would have omitted otherwise.

    Every day I see mechanics who don't give a damn about what they are stripping down, limiting themselves to being some kind of disassembling/assembling robots. These chums will never learn anything this way, but they'll spend the whole f*cking day wining that life is hard and what they receive in the end of the month is little. It's going to stay little forever if you don't wake up, people!..

   Don't limit yourself to that, take a look at the examples posted here and start LEARNING. Self-education is the key to success in hydraulics. Practical reverse engineering of components is a very interesting way to learn how hydrauic stuff works and exercise your wits.