Recommended Practice
Solid-State Auxiliary Power Unit Periodic Inspection and Maintenance
Abstract
This Recommended Practice provides guidance for the periodic inspection and maintenance of solid-state auxiliary power units (APUs) mounted on rail transit vehicles. It provides a set of useful practices that can be selected and applied during the inspection and maintenance process as the particular design warrants.
Document History
| Document Number | Version | Publication Date | Publication | Related Information |
|---|---|---|---|---|
| APTA RT-VIM-RP-016-03 | Rev. 1 | 01/06/2015 | Published | Current |
Keywords
rail transit vehicles, periodic inspection and maintenance
Summary
The auxiliary power unit is a solid-state device that conditions primary vehicle power and supplies power to the auxiliary loads. This Recommended Practice provides guidance for the periodic inspection and maintenance of solid-state APUs mounted on rail transit vehicles. Individual rail transit systems should tailor these recommendations to accommodate their specific equipment and mode of operation.
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