Official technical manuals and replacement parts are available through authorized distributors like Duncan Aviation and the original equipment manufacturer Extant Aerospace. Technical Specifications Overview
Utilize approved safety glasses, gloves, and protective clothing.
Rated at 5.0 Amp/Hour (compared to 2.5 Amp/Hour for other models in the series). Key Maintenance Procedures
Essential for monitoring voltage across specific pins (J1-11 and J1-7) during testing. ps-855b maintenance manual
Table_title: Your RFQ is empty Table_content: header: | Dimensions: | 7.820"H x 14.085"L x 2.400"W | Weight: | 9.1 lbs. max (A, C, Southeast Aerospace Inc. 501-1712-02 L3Harris PS-855B | SEAEROSPACE.COM
Reconnect all internal wire harnesses, ensuring positive clicks on locking tabs.
Do not remove the switch from the pressurized line without isolating the system and relieving pressure. Sudden release of pressurized fluid can cause serious injury. 501-1712-02 L3Harris PS-855B | SEAEROSPACE
Ensure power is disconnected before servicing electrical components.
Connect your digital multimeter to the test points designated TP1 and TP2 on the main board.
Emergency Power Supply (EPS) unit manufactured by (formerly J.E.T. / BFGoodrich) and now supported by Extant Aerospace L3Harris PS-855B | SEAEROSPACE.COM
The PS-855B relies on internal sealed lead-acid or nickel-cadmium batteries. Unlike your car battery, these require specific periodic attention to prevent "memory" issues or capacity loss.
For formal maintenance or repair, you should consult an authorized repair station like Duncan Aviation or Southeast Aerospace , as they maintain current service literature and TSO compliance. L3Harris PS-855B | SEAEROSPACE.COM