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TM5-4120-376-14
CHAPTER 5
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
INTRODUCTION. This chapter is for the use of Direct Support Maintenance personnel. It
contains a section on troubleshooting and maintenance procedures. In Appendix F is a
refrigerant flow diagram that is included to assist maintenance of refrigerant components.
SECTION I. REPAIR PARTS, SPECIAL TOOLS, TMDE AND SUPPORT EQUIPMENT
5-1. COMMON TOOLS AND EQUIPMENT. For authorized common tools and equipment refer
to the Modified Table of Organization and Equipment (MTOE) applicable to your unit.
5-2. SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT. No special tools, TM DE, or
support equipment are required for this air conditioner.
5-3. REPAIR PARTS. Repair parts are listed and illustrated in TM5-4120-376-24P.
SECTION II. TROUBLESHOOTING
5-4. TROUBLESHOOTING
a. Table 5-1 contains troubleshooting information for locating and correcting most of the
operating troubles which are the responsibility of Direct Support Maintenance. Each mal-
function for an individual component, unit, or system is followed by a list of tests or inspections
which will help you to determine probable causes and corrective actions to take. Perform the
tests/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and
corrective actions. If a malfunction is not listed or is not corrected by listed corrective
actions, notify your supervisor.
c. Only those functions within the scope of Direct Support Maintenance are listed. For
troubleshooting procedures within the scope of operator/crew maintenance, refer to Table 3-1
and Organization Maintenance refer to Table 4-1.
5-1
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