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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
CHAPTER 5
DIRECT SUPPORT MAINTENANCE
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 are required for Direct Support
Maintenance of the air conditioner.
5-3. REPAIR PARTS. Repair parts are listed and illustrated in the Repair and Special Tools List (RPSTL), TM 9-4120-
381-24P, covering Unit, Direct Support, and General Support Maintenance for this equipment.
Section II. DIRECT SUPPORT TROUBLESHOOTING
5-4. GENERAL. This section contains direct support troubleshooting information for locating and correcting most of the
operating troubles which may develop in the air conditioner.
NOTE
Before you use the table, be sure you have performed all applicable PMCS (Table 4-1).
5-5. TROUBLESHOOTING. Each malfunction for the compressor is listed in Table 5-1. The malfunction is followed by
a list of tests or inspections which help to determine probable causes and corrective actions to take. All malfunctions that
may occur and all tests or inspections and corrective actions may not be listed. If a malfunction is not listed or is not
corrected by corrective action, notify your supervisor.
WARNING
· HIGH VOLTAGE
Is used in the operation of this equipment.
DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
· Never work on electrical equipment unless there is another person nearby who is familiar with the operation
and hazards of the equipment and who is competent in administering first aid. When the technician is aided
by operators, he must warn them about dangerous areas.
· Whenever possible, the Input power supply to equipment must be shut off before beginning work on the
equipment. Take particular care to ground every capacitor likely to hold a dangerous potential. When
working inside the equipment, after the power has been turned off, always ground every part before touching
it.
· Be careful not to contact high-voltage connections of 208 V ac input when installing or operating this
equipment.
· Whenever the nature of the operation permits, keep one hand away from the equipment to reduce the
hazard of current flowing through vital organs of the body.
5-1
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