Whether you are repairing a failed unit or refurbishing a classic for your bench, the maintenance manual is your roadmap. Respect the process, follow the procedures, and your PS-855B will deliver clean, regulated power for another 20 years.
Enter 855B in their support/documentation search. ps-855b maintenance manual
The is an emergency power supply unit commonly used in aircraft to provide backup power for essential flight instruments, such as gyro horizons. Maintenance for this unit is typically governed by the L3Harris (formerly J.E.T. or B.F. Goodrich) Component Maintenance Manual (CMM) TP-483 . Whether you are repairing a failed unit or
(and previously JET or BFGoodrich) that provides backup power to attitude gyros and essential flight instruments. Proper maintenance is governed by the Component Maintenance Manual (CMM) TP-483 and technical service letters. Southeast Aerospace Inc. Maintenance Intervals and Requirements The is an emergency power supply unit commonly
: A required annual test to ensure the battery can hold a charge.
: Mandatory inspection of battery condition every 3 to 6 months .