TM 1-1520-238-MTF
3-1
CHAPTER 3. TROUBLESHOOTING
PROCEDURES
3-1. GENERAL.
This chapter contains troubleshooting information cited in
Chapter 2 checklists. This chapter lists possible abnormal
conditions and indications and probable causes. The in-
formation is to be used only as a quick reference and may
not be all encompassing.
The troubleshooting procedures manual and those main-
tenance manuals listed in this section have data for trou-
bleshooting the helicopter systems. Operational checkout
procedures and logic-type troubleshooting charts give de-
tailed step-by-step instructions to identify malfunctioning
components/ parts/systems. Component location dia-
grams and schematics are also included in these manu-
als. Specific troubleshooting procedures for various mal-
functions are referenced throughout the Chapter 2
checklist. This information is to be used only as a quick
reference and may not be all encompassing.
