Part Number 80-1479-3 7/10 181
Severe System Contamination
1. Remove the refrigerant charge.
2. Remove the compressor.
3. Disassemble the harvest solenoid valve. If
burnout deposits are found inside the valve, install
a new harvest valve, replace the manifold
strainer, TXV and harvest pressure regulating
valve.
4. Wipe away any burnout deposits from suction and
discharge lines at compressor.
5. Sweep through the open system with dry
nitrogen.
6. Install a new compressor and new start
components.
7. Install a suction line filter-drier with acid and
moisture removal capability. Place the filter drier
as close to the compressor as possible.
8. Install an access valve at the inlet of the suction
line drier.
9. Install a new liquid line drier.
Refrigerant sweeps a re no t recommended, as they
release CFCs into the atmosphere.
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