98 Part Number STH044 10/13
Severe System Contamination
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.
5. Install a new compressor and new start
components.
6. Install a suction line filter-drier with acid and
moisture removal capability. Place the filter drier
as close to the compressor as possible.
7. Install an access valve at the inlet of the suction
line drier.
8. Install a new liquid line drier.
Refrigerant sweeps are not recommended, as they
release refrigerant into the atmosphere.
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