Hoshizaki F-450MAH-C service manual Removal and Replacement of Drier

Models: F-450MAH-C F-450MAH

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13)Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.

14)Evacuate the system, and charge it with refrigerant. See the nameplate for the required refrigerant charge and type.

15)Connect the terminals to the compressor, and replace the terminal cover in its correct position.

16)Replace the panels in their correct position.

17)Plug in the icemaker.

4.Removal and Replacement of Drier

IMPORTANT

Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made.

1)Unplug the icemaker.

2)Remove the panels.

3)Recover the refrigerant and store it in an approved container, if required by an applicable law.

4)Remove the drier using brazing equipment.

5)Install the new drier with the arrow on the drier in the direction of the refrigerant flow. Use nitrogen gas at the pressure of 3-4 PSIG when brazing the tubings.

6)Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.

7)Evacuate the system, and charge it with refrigerant. See the nameplate for the required refrigerant charge and type.

8)Replace the panels in their correct position.

9)Plug in the icemaker.

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Image 38
Hoshizaki F-450MAH-C service manual Removal and Replacement of Drier