| 摘要 |
A system ( 10 ) that can be used to retrofit any machine ( 15 ) for indicating when to perform maintenance service tasks for the machine ( 15 ). It includes a service tracker ( 12 ) connected to the machine ( 15 ), and also a maintenance manager ( 14 ) typically hosted by a hand-held device and coupled to the service tracker ( 12 ) by a wireless link ( 12 a 14 a 16 ), so as to allow providing a service interval for each of typically several tasks. For each of the tasks, a timer ( 42 a), preferably resettable via the maintenance manager ( 14 ), is provided as part of the service tracker ( 12 ), allowing direct comparison of a service interval for a task with the reading of the corresponding resettable timer ( 42 a). Based on the direct comparison of service interval and resettable timer reading for a task, the service tracker ( 12 ) provides a service warning via a display ( 12 d) when it is time to perform the task again.
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