TM 9-4120-402-14
5-16. EVACUATING THE REFRIGERANT SYSTEM.
This task covers: Evacuate
INITIAL SETUP
Tools
Equipment Condition
Refrigeration Unit Service Tool Kit
Install service manifold (para 5-10).
Appendix B, item 1
Vacuum Pump
Discharge the refrigerant system (para 5-11).
Appendix B, item
Figure 5-8. Evacuation of Refrigerant System.
Evacuate.
(1)
Check that new refrigerant desiccant dehydrator was installed. If not, install one. (See paragraph 5-21.)
(2)
Check that service manifold charge valve is closed.
(3)
Check that unit DISCHARGE and SUCTION SERVICE VALVES are open.
(4)
Connect the vacuum hose to vacuum pump.
5-45
