This document is a BA-550 tube replacement procedure, which introduces the tools and steps required to replace the BA-550 tube.
This document details the procedure for replacing the gauge tube assembly on a BA-550 unit. It lists the required tools, including a 3/32 Allen wrench and needle nose pliers, and outlines the disassembly of the case halves to access the internal components.
The guide covers the removal of the old tube and wires, installation of the new gauge tube assembly, and the re-assembly of the unit. It includes specific cautions regarding wire length restrictions during separation and proper alignment of pins during re-insertion.
| Required Tool: Allen Wrench Size | 3/32 |
|---|---|
| Required Tool: Pliers Type | Needle nose pliers |
You need a 3/32 Allen wrench and needle nose pliers.
The old tube and wires must be discarded.