Ps-855b Maintenance Manual Jun 2026

The unit includes several automated systems designed to protect its internal components and the aircraft's electrical system:

TP 483 - PS 850 PS 855 - Rev.B - Comprehensive technical data for maintenance and error reporting. ps-855b maintenance manual

The is an aviation emergency power supply manufactured by L3Harris (formerly L-3 Communications/Jet Electronics and Technology). Maintenance for this unit is governed by specific technical documents that outline inspection intervals, battery servicing, and component repairs. Maintenance Overview The unit includes several automated systems designed to

Periodic discharge tests are required to ensure the battery meets the minimum duration specifications (often 30 or 60 minutes depending on the aircraft's certification). Recharging: ps-855b maintenance manual