May 2008
Page 60
CU1526, CU2026, CU3030
Service Manual
Compressor
1.
Remove left front grill.
2.
If the machine was in operation, push and release the Harvest button to shut it down. Wait until the
harvest cycle has ended so the evaporator has no ice on it.
3.
Go thru all steps to remove the bin.
4.
Open the replacement compressor box. Check the compressor nameplate, be SURE that the
replacement compressor is the correct one for the unit.
5.
Disconnect electrical power.
6.
Recover refrigerant.
7.
Remove compressor terminal cover and disconnect
electrical leads.
8.
Remove all the mounting bolts.
9.
Open both discharge and suction access valves
10. Connect nitrogen to discharge access valve.
11. Open nitrogen valve.
12. Unsweat the suction, discharge and process tubes.
13. Unsweat the drier from the liquid line. Remove it.
14. Shut the nitrogen valve.
15. Remove the compressor from the ice machine. Note: Some models may require the control box to
be moved slightly to allow compressor replacement.
16. Immediately place new compressor in ice machine.
17. Open nitrogen bottle and braze compressor suction, discharge and process joints together. Braze
new drier into system.
18. Shut off nitrogen, shut access valves.
19. Evacuate to at least 300 microns.
20. Replace PTCR and run capacitor.
21. Weigh in the nameplate charge. Check for leaks.
22. Reconnect electrical leads.
Refrigeration Removal and Replacement Procedures
Electrical Shock
Hazard
.
Disconnect electrical
power before
beginning removal
procedure.
