| Screw compressor overhaul |
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Working Procedure |
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1. Dismantle the oil strainer cover and to release the existing oil. |
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2. Check motor and suction strainer after dismantle the motor cover. |
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3. Dismantle the locker washer, the rotor and the oil separator. |
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4. Dismantle the end cover and the lock nut. |
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5. Dismantle the roller bearing and the ball bearing. |
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6. Check and clear the screw rotor after dismantling the screw rotor. |
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7. Heat up the new acts of bearing bewteen 100℃ and 120℃ according to the specification. |
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8. Cool the bearing support by dipping into the dry ice or liquid refrigerant. |
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9. Install the bearing and complete the reassembling process. |
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10. Final quality control to re-examine if all stages of the reassembling process has been completed and signed-off. |
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11. Testing and Commissioning. |
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