Title
Replacing the RS485 Communications Board on an L-880(L), L-881(L) Precision Approach Path Indicator Lights (PAPI)
URL Name
Replacing-the-RS485-Communications-Board-on-an-L-880-L-L-881-L-Precision-Approach-Path-Indicator-Lights-PAPI
Summary
This article provides the complete step-by-step procedure for safely removing and replacing the RS485 Communications Board (part number 88-00300) in the Light Head Assembly of the L-880(L) and L-881(L) LED Precision Approach Path Indicator system.

Content

Safety and Preparation

De-energize the system using the circuit breaker.

Removal Procedure

Remove the Top Cover.
Remove the Left Cover.
Detach the harnesses from the board.
If there is a resistor in J3, remove it and install it into the new RS485 Communications Board.
Remove the 4 screws.

Installation of New Board

Hold the new RS485 Communications Board in place.
Replace the 4 screws.
Reattach the harnesses.

Reassembly and Power-Up

Replace the Left Cover.
Replace the Top Cover.
Re-energize the system.

Airport Lighting Company | L-880(L), L-881(L) Precision Approach Path Indicator Lights (PAPI) 

Precision Approach Path Indicator Lights

Related Articles

Trending Articles