Engine : Expired / Refrigeration AC - 25/252
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| When purging a refrigeration gage manifold using system pressure as the source of refrigerant for purging, which of the fittings listed is normally tightened LAST? |
| A) the high pressure hose fitting at the gage manifold high pressure connection |
| B) the low pressure hose fitting at the suction service valve service port |
| C) the low pressure hose fitting at the gage manifold low pressure connection |
| D) the high pressure hose fitting at the discharge service valve service port |
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