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Table 9 common faults and handling
1 acceptance
1.1 multistage centrifugal pump 24h continuous operation, the technical indicators have reached the design requirements or to meet production needs.
1.2 to achieve good standards.
1.3 maintenance records complete, accurate, according to the provisions of the acceptance procedures.
2 Maintenance and Troubleshooting
2.1 routine maintenance
2.1.1 Strict implementation of lubrication management system.
2.1.2 to maintain the oil seal pressure pump seal chamber pressure 0.05-0.15 MPa.
2.1.3 regularly check the outlet pressure, vibration, seal leakage, bearing temperature, etc., found that the problem should be promptly addressed.
2.1.4 regularly check whether the pump subsidiary pipeline is smooth.
2.1.5 regularly check the pump bolts are loose.
2.1.6 hot oil pump every half an hour after turning the car until the pump temperature dropped to below 80 ℃ so far, the standby pump should be regularly turning.
2.2 failures and treatment (see Table 9)