Engine : Expired / Refrigeration AC - 207/252
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| If it is necessary to increase the operating head pressure of the refrigeration system using the device shown in the illustration, what should be done? GS-RA-14 |
| A) "4" should be rotated to relax the enclosed bellows |
| B) "4" should be rotated to compress the enclosed bellows |
| C) "2" should be turned to further compress the spring |
| D) "2" should be turned to relax the compression of the spring |
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