Severe System Contamination Cleanup Procedure - Manitowoc UG080A Technician's Handbook

SEVERE SYSTEM CONTAMINATION CLEANUP
PROCEDURE
1. Remove the refrigerant charge.
2. Remove the compressor.
3. Wipe away any burnout deposits from suction and
discharge lines at compressor.
4. Sweep through the open system with dry nitrogen.
Refrigerant sweeps are not recommended, as they
release CFC's into the atmosphere.
5. Install a new compressor and new start
components.
6. Install suction line filter-drier in front of compressor.
7. Install a new liquid line drier.
Important
–77–