1, choose the appropriate specifications of the wrenches (preferred) or open-end wrenches; use 0 ~ 25mm diameter micrometer; 2, the choice of a suitable soft lead wire (diameter 0.5 <d <1.3mm) 2, each length of about gear 3, the pressure lead wire operation 1) assemble the main and driven gear; 2) grease the three sections of flexible lead wire were pasted on the pitch circle of the main and driven gear; 3) fitted with a pump cover (including pad 4) symmetrically unscrew the pump head nut, remove the pump cover, remove the soft lead and clean; 5) on each lead pick 4 A measuring point, with an outer diameter micrometer measuring soft lead thickness and make a measurement record; 4, the measurement data analysis 1) calculate the average value of the eight measurements, that is, axial clearance; 2) measured axial clearance value Compared with the normal range (usually 0.06 ~ 0.10mm, low pressure gear pump allows to 0.10 ~ 0.25mm) compared to the conclusion can be continued or need to be repaired.
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