TM 9-4120-408-14
SECTION I. REPAIR PARTS; SPECIAL TOOLS; TEST, MEASUREMENT, AND DIAGNOSTIC EQUIPMENT (TMDE);
AND SUPPORT EQUIPMENT
5-1. COMMON TOOLS AND EQUIPMENT.
For authorized common tools and equipment, refer to Modified Table of Organization and Equipment (MTOE), Common
Table of Allowances (CTA) CTA 50-970, or CTA 8-100, applicable to your unit.
5-2. SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT.
Special tools, TMDE, and support equipment are listed in TM 9-4120-408-24P, Repair Parts and Special Tools List
(RPSTL) for the Air Conditioner: Split Pack, 30,000 BTUH, 28VDC covering unit, direct support, and general support
maintenance, or the Maintenance Allocation Chart (MAC), Appendix B of the manual.
5-3. REPAIR PARTS.
Refer to Mandatory Replacement Parts, Appendix G, for parts that must be stocked for proper repair of the air
conditioner. Repair parts are listed and illustrated in TM 9-4120-408-24P covering unit, direct support, and general
support maintenance of this equipment.
SECTION II. DIRECT SUPPORT TROUBLESHOOTING
5-4. TROUBLESHOOTING.
The malfunction index lists malfunctions that may be observed by you the direct support maintainer. Use the malfunction
index to locate faults listed in Table 5-1. Table 5-1 lists common malfunctions that you may find with your equipment.
After locating the listed malfunction, perform the test/inspections and corrective actions in the order listed in Table 5-1.
The malfunction index and Table 5-1 cannot list all the malfunctions that may occur, all the tests and inspections needed
to find the fault, or all the corrective actions needed to correct the fault. If the equipment malfunction is not listed or
actions listed do not correct the fault, notify your supervisor.
DIRECT SUPPORT MALFUNCTION INDEX
Malfunction
Malfunction
High Pressure Warning Light on Control Module is Lit . ............................................................
1
Low Pressure Warning Light on Control Module is Lit ...............................................................
2
Condenser Vane Axial Fans Do Not Operate . ..........................................................................
3
Insufficient Cooling . .................................................................................................................
4
Air Filter Warning Light on Control Module is Lit .......................................................................
5
Condensate Drain Warning Light on Control Module is Lit ........................................................
6
Evaporator Fan Assembly Does Not Operate . .........................................................................
7
Condenser Vane Axial Fans Do Not Operate . ..........................................................................
8
Start .........................................................................................................................................
9
Excessively Noisy Operation . ..................................................................................................
10
5-2