CHAPTER 4 FAULT ISOLATION PROCEDURE

TM 9-1290-335-34&P

CHAPTER 4

FAULT ISOLATION PROCEDURE

4-1. SCOPE

This chapter gives step-by-step procedures to troubleshoot the azimuth indicator for fault symptoms found during

checkout. After the fault has been corrected, do the checkout procedure in Chapter 2 again. This is to make sure that all

faults have been corrected.

4-2. LAMP(S) DO NOT LIGHT (SHEET 1 OF 4)

TOOLS: #2 cross tip screwdriver (Phillips type)

TEST EQUIPMENT: 0-36 VDC power supply

PERSONNEL: One

REFERENCES: JPG 41C for using power supply

EQUIPMENT CONDITION: Azimuth Indicator on work bench

Vol 1

Para 4-1

4-1