4. Disassembly and Reassembly
4-1 Compressor Replacement Flow Chart
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| Locate cause of defect |
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| Release refrigerant |
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| Disconnect electrical wiring |
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| from compressor |
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| Cut refrigerant lines |
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| from compressor |
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| Plug disconnected lines |
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| Replace compressor |
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Inspect electrical | Solder discharge line | Solder suction line | Use nitrogen gas |
wiring for defects, |
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and terminals for |
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correct and secure |
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connections |
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| Perform soldering function |
Y |
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Problem? |
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| Fill system with |
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| nitrogen gas |
N |
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| Check for leakage |
Corrective action |
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| Y |
Check refrigerant oil level | Leakage? | ||
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| N |
Release nitrogen gas?
YN
Low oil level?
Evacuate system
Add oil as necessary
Recharge system
Pinch and braze filling tube
FRIEDRICH AIR CONDITIONING CO. |
