Installation of medium open pump
1, starting and stopping:
Before starting, the rotor of the rotating pump should be smooth and uniform.
To close the water outlet valve, pump infusion (if no foot valve with vacuum pump water) to ensure the pump full of water and no air remained.
If the pump is equipped with a vacuum or pressure meter. To close the pump is connected with the rotary base and then starting motor. Until the speed is normal on again; and then gradually open the water outlet valve, the flow is too large, can be properly adjusted or off a small valve; flow over an hour. The gate open.
(4) tighten the pressure nut on the cover of the packing evenly and make the liquid drop out in a drop shape. Meanwhile, pay attention to the temperature rise in the packing chamber.
When the pump is stopped, turn off the cock of the vacuum meter and pressure gauge and the gate valve on the water line. Then turn off the electric power of the motor.
The environmental temperature is low, it should be around the lower part of the pump body. Open the plug out? The water to avoid the cracking. For a long time stop. Remove the pump will wipe up the water on the other. In the process of surface coated with rust proof grease.
2. Operation:
(1) the maximum temperature of the pump bearing should not exceed 75° C.
The quantity of calcium based butter used for lubricating bearings is suitable for 1/3 ~ 1/2 of the bearing space.
3. The packing wear inch can be properly pressed with the packing gland. If the wear is too much, it should be replaced.
The regular Zhen couplings, girder. Motor bearing temperature rise.
The operation process. Such as sound or other edged unusual sound, should immediately stop check. The reason to be eliminated.
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