Monitoring and annunciation device for equipment maintenance

  • US 20040002798A1
  • Filed: 06/13/2003
  • Published: 01/01/2004
  • Est. Priority Date: 06/28/2002
  • Status: Active Grant
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First Claim
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1. A service tracking system (10) for use with a machine (15) having an engine or motor assembly (18), the service tracking system (10) for warning when a maintenance procedure for a service maintenance task is to be performed, comprising:

  • a maintenance manager (14), responsive to a service interval setting command, for providing a corresponding service interval setting signal indicating a service interval for the service maintenance task; and

    a service tracker (12), retrofittably attached to the machine (15), responsive to the service interval setting signal, and further responsive to a machine operating status signal provided by a coupling to the engine or motor assembly (18), for issuing a service warning urging that the service maintenance task be performed as soon as possible;

    wherein the service tracker (12) includes a resettable timer (42a) having a timer count value indicating a timer reading useable for determining when to issue the service warning, and the service tracker (12) is responsive to a timer reset signal for resetting the resettable timer so as to allow comparing the resettable timer reading with the service interval.

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