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6.6. pURgE SYSTEM
1. remove purge screw (a) from system.
2. Install purge valve into system.
3. open vacuum, draw vacuum on system to a minimum of
0.06 Mpa. Close vacuum port.
4. open nitrogen valve. purge system to a minimum pressure of
0.06 Mpa (gauge).
5. Close/remove purge valve.
6. return purge screw to system.
6-12
A
FIGURe 6.5. PURGe SYSTeM
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