What precautions pump removal and re-equipped with a small fuel dispenser?

Small fuel dispenser as part of the body except the vane pump, the rest of the important part is relatively small fuel dispenser pump. Small portable fuel transfer pump oil pump is the power source of the hydraulic system when removing and re-install the pump, any negligence, any error method, may result in an accident or make the pump is not working properly, so the removal and re small automatic fuel dispenser pump equipped with a lot of attention, as follows:
1, when mounted pump cover. Copper sleeve should be coated with a little grease in order to mounting oil seal and protection. When mounting the pump cover screws, should be strictly in accordance with the order of twice the diagonal tighten each screw tightening torque knob should be basically the same, so as not to pump cover and pump combination Mifengbuyan.
2. Before disassembling the pump cover shall sanding Woodruff keyway on the shaft, so as not to dismantle the pump cover scratches on Woodruff keyway burr seal, causing leakage.
3, before the pump is mounted on the pump separator pad should be carefully examined for damage, whether to put reversed. Pump installed, should ensure that the center plane of symmetry pump pulley and motor pulley central plane of symmetry in the same plane, the pulley does not allow a clear swing and axial runout phenomenon.