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TM 9-4110-257-14
WARNING
Never introduce high discharge pressure into a refrigerant cylinder. This
can cause the cylinder to rupture and injure personnel.
(13)
Check that pressure gauge valve is closed.
(14)
Open refrigerant tank, compound gauge, and charge valves.
(15)
Charge until sight glass remains clear and bubble free for 15 minutes.
(16)
When system is fully charged, immediately close refrigerant tank, compound gauge, and charge valves.
(17)
Shut off refrigeration unit (para. 2-7).
NOTE
FOLLOW-ON MAINTENANCE:
Remove service manifold (para. 5-6).
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