TM9-4120-400-14
Section I REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT
GENERAL.
a. For authorized common tools and equipment refer to the Modified Table of Organization and Equipment
(MTOE) applicable to your unit.
b. Test, measurement, and diagnostic equipment (TMDE) and support equipment include electrical test
equipment, standard pressure and vacuum gauges, vacuum pumps, and charging manifolds found as standard
equipment in any direct support refrigeration shop.
c. Repair parts are listed and illustrated in TM9-4120-400-24P. No special tools are required for direct support
maintenance of the air conditioner. Test, maintenance and diagnostic equipment (TMDE), and support
equipment include standard electrical test equipment, and standard pressure and vacuum gages, vacuum pumps,
and servicing manifolds found in any direct support maintenance refrigeration shop.
Section II TROUBLESHOOTING
USE OF TROUBLESHOOTING TABLE.
a. The troubleshooting table (Table 5-1) lists the most common malfunctions which you may find during the
operation or maintenance of the air conditioner. You should perform the tests/inspections and corrective actions
in the order listed.
b. For a specific malfunction, perform the troubleshooting procedures listed in Table 4-2 before performing
the procedures listed in Table 5-1.
c. This manual cannot list all malfunctions which may occur. However, all tests or inspections and corrective
actions are listed for most common malfunctions.
d. If a malfunction is not listed or is not corrected by listed
corrective actions, notify your supervisor.
