Hoshizaki FM-481AGE, Руководство по обслуживанию

Страница: 57 / 68

54 54
E2AH5820209 E2AH5820209
3. COMPRESSOR 3. COMPRESSOR
IMPORTANT IMPORTANT
Always install a new Drier every time the sealed refrigeration system is opened. 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
Do not replace the Drier until after all other repair or replacement has been
made.
made.
1) Disconnect the power source. 1) Disconnect the power source.
2) Remove the panels. 2) Remove the panels.
3) Remove the Terminal Cover on the Compressor, and disconnect the Compressor wiring. 3) Remove the Terminal Cover on the Compressor, and disconnect the Compressor wiring.
4) Recover the refrigerant and store it in a proper container, if required by an applicable law 4) Recover the refrigerant and store it in a proper container, if required by an applicable law
(See “1. [b] REFRIGERANT RECOVERY”). (See “1. [b] REFRIGERANT RECOVERY”).
5) Remove the Discharge, Suction and Access Pipes from the Compressor using brazing 5) Remove the Discharge, Suction and Access Pipes from the Compressor using brazing
equipment. equipment.
WARNING WARNING
When repairing a refrigerant system, be careful not to let the burner flame contact When repairing a refrigerant system, be careful not to let the burner flame contact
any electrical wires or insulation.
any electrical wires or insulation.
6) Remove the Bolts and Rubber Grommets. 6) Remove the Bolts and Rubber Grommets.
7) Slide and remove the Compressor. Unpack the new Compressor package. Install the 7) Slide and remove the Compressor. Unpack the new Compressor package. Install the
new Compressor. new Compressor.
8) Attach the Rubber Grommets of the previous Compressor. 8) Attach the Rubber Grommets of the previous Compressor.
9) Clean the Suction and Discharge Pipes with an abrasive cloth/paper. 9) Clean the Suction and Discharge Pipes with an abrasive cloth/paper.
10) Place the Compressor in position, and secure it using the Bolts and Washers. 10) Place the Compressor in position, and secure it using the Bolts and Washers.
11) Remove plugs from the Discharge, Suction and Access Pipes. 11) Remove plugs from the Discharge, Suction and Access Pipes.
12) Braze the Access, Suction and Discharge Pipes (Do not change this order) with nitrogen 12) Braze the Access, Suction and Discharge Pipes (Do not change this order) with nitrogen
gas flowing at the pressure of 0.2 - 0.3 bar. gas flowing at the pressure of 0.2 - 0.3 bar.
13) Install the new Drier (See "4. DRIER"). 13) Install the new Drier (See "4. DRIER").
14) Check for leaks using nitrogen gas (10 bar) and soap bubbles. 14) Check for leaks using nitrogen gas (10 bar) and soap bubbles.