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TM 10-4130-239-14
5-7.
REFRIGERATION SYSTEM SERVICE - EVACUATION (CONT)
17. After a vacuum of 28 in. Hg. is achieved, close all service
manifold valves.
NOTE
If the unit is to be charged at a later time, a
holding charge of vapor to a pressure of 0-2 PSIG
should be applied to prevent accidental
contamination of the system by careless handling.
Do not leave a system in a vacuum condition any
longer than is necessary.
18. If the unit is to be charged, proceed immediately with the
charging procedures (para 5-8).
19. Charge unit (para 5-8).
5-8.
REFRIGERATION SYSTEM SERVICE - CHARGING.
This task covers:
Charging
Equipment
Condition
Para
2-8
4-15
5-7
Condition Description
Engine stopped.
Housing removed.
Service manifold gauges
Tools
Tool Kit, Service
Refrigeration, item
5, Appendix B
attached and system
evacuated.
Materials/Parts:
Refrigerant R-12, item 24, Appendix E
5-16
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