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TM 9-4120-430-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, COMPACT, HORIZONTAL
REFRIGERANT SYSTEM SERVICE - (EVACUATION)
INITIAL SETUP:
Maintenance Level
Direct Support
Tools and Special Tools
Tool Kit, General Mechanics (Item 1, Table 2, WP 0067 00)
Tool Kit, Service, Refrigeration Unit (Item 2, WP 0067 00)
Mask, Air Filtering (Item 29, Table 1, WP 0069 00)
Test Equipment
Vacuum pump (Item 3, Table 2, WP 0067 00)
Materials/Parts
Nitrogen (Item 4, Table 1, WP 0069 00)
References
Personnel Required
One
Equipment Condition
Refrigerant system leak tested (WP 0047 00)
Refrigerant system discharged (WP 0044 00)
Main power source is disconnected
WARNING
Ensure power source is disconnected.
WARNING
Be sure that the manifold hoses are correctly connected.
BLUE Hose = Low Pressure, RED Hose = High Pressure.
CAUTION
Do not evacuate a leaking system. The vacuum created can cause air, moisture, and
dirt to enter system.
NOTE
Replace filter-dryer whenever refrigerant system is opened.
0048 00-1

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