YHCB arc gear pump after a period of time to regular maintenance and repair, in order to protect the YHCB arc gear pump better operation. YHCB arc gear pump operation and maintenance methods are: 1, the first start should be injected into the pump liquid. 2, check all pipeline flanges before starting, the tightness of joints. 3, the first start should be injected into the pump liquid. Disc drive coupling, frictionless and collision sound. 4, before starting the full suction and discharge valves in the pipeline, closed valve is strictly prohibited to start. 5, verify the direction of motor rotation, the external lubrication gear pump, start the motor. YHCB arc gear pump common faults and Countermeasures: 1, the phenomenon of failure: pump flow YHCB arc gear pump failure reasons: 1) suction or discharge valve is closed; 2) inlet pressure is low; 3) outlet blockage; 4). Packing box leakage; 5). Speed ​​is too low. Countermeasures: 1) Confirm whether the valve is closed; 2) Check whether the valve is open; 3) Check if the discharge volume is normal; 4) Tighten; . 2, the phenomenon of failure: the pump can not discharge the cause of the malfunction: a, the opposite direction of rotation; b, suction or discharge valve is closed; c, the inlet or the pressure is too low; d, viscosity is too high, the pump can not bite material. Countermeasures: a, confirm the direction of rotation; b, to confirm whether the valve is closed; c, check the valve and pressure gauge; d, check the liquid viscosity to low speed operation according to the proportion of speed flow if there is flow, high temperature gear pump, Inadequate inflows.
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