24.1. Hardware maintenance basics

Hardware maintenance was traditionally covered by an expensive annual maintenance contract. Although such contracts are still readily available, today it is more common and cost effective to use the “fly by the seat of your pants” approach.

If you keep a log book, a quick glance at the records for the last six to twelve months will give you an idea of your failure rates. It’s a good idea to keep a careful record of failures and replacements so that you can accurately evaluate the different maintenance options available to you. Some parts fail more often than anticipated by the manufacturer, so contracts are sometimes not only convenient but ...

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