Can you see if there is something wrong with the generator connection line? If not, it is recommended to contact after-sales service for repair!
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The method is as follows:
1. When wrapping with polyester insulation tape, make sure to press down half of the first circle and wrap 8-12 layers. Then wrap them again. The two layers are then wrapped with tape for strength.
2. Take out the copper core of the vacuum pump cable from a place about 30-35 mm long, wipe the copper wire clean with emery cloth, and take out the copper wire of the three-core cable from a place about 30-35 mm long. , wipe clean with emery cloth, and plug the three-core cable and the copper part of the external cable together. Then, glue it tightly with thin copper, cut off the remaining part, and flatten it with scissors to prevent knots.
3. Weld the three wire ends of the vacuum pump firmly with solder. The surface of the welding head is required to be smooth, without burrs or false welding. If it is not soldered firmly or is not smooth, the vacuum pump should be re-soldered until the requirements are met. .
4. Wrap the three wires together with plastic tape. Layer 1 is larger than 50 mm at the end of the insulation layer. The second layer extends 50 mm beyond the end of the first layer.
5. After packaging, use a pot of cold water to safely soak the packaging line in the water. After 12 hours, the insulation layer shall not be less than 50MW500 gauge pressure. Otherwise, it should be repackaged if necessary.
6. The grounding wire of the vacuum pump should also be packaged in accordance with the technical requirements of submarine cable lines.
7. When connecting the vacuum pump, constantly observe the changes in insulation resistance to prevent damage to the cable insulation.
8. After the vacuum pump is connected, while going down the well, continuously measure the insulation resistance to observe its changes to prevent the cable insulation from being hung on the well wall. If the insulation level is found to drop rapidly below 0.5 megohm, Lift the unit up to detect the cause.