Forklift gear pump main parts of the maintenance methods

Forklift gear pump main parts of the maintenance methods:

1, forklift gear: gear cylindrical wear and glue, so that the radial gap increases, the light of the use of no significant effect, better than repair; serious should be replaced gear.

2, the gear on both sides of the face wear, the light from the line, the grinding can be used to grind off the burr marks; serious wear, grind on the grinder. However, as long as one gear wear, the other gear also need to grind to ensure that the thickness difference between the two gears within 0.005mm. Grinding should also pay attention to face and hole, face and face the higher accuracy. After grinding the oil stone to sharp edge burr, but not chamfering.

3, the pump gear are one-way work, so the tooth surface are single-sided wear. Can be worn gear tooth stone removed with burrs, gear meshing orientation, can restore the performance of the pump.

4, forklift gear bearing frame: face wear or pull the hairline, the four bearing frame can be in the plane grinder to non-gear contact surface as a benchmark, one end of the mill out.

5, the hole generally less wear and tear, if serious wear, grinding or grinding can be used to repair the aperture size, matching needle.

6, with side plates or axial floating sleeve wear, scratches and groove marks, the surface can be polished for polishing. The method is to put a no400-600 abrasive paste on a smooth surface, add oil or wax gently on the surface of the side plate for polishing.

7, forklift gear pump body: pump body wear generally occurs in the suction chamber, some pumps from the structure available transposition method to repair, about the pump body around its axis 180 °, the suction chamber into a pressure chamber to resume its work ability.

8, can not be used to replace the oil pump repair body, available copper set method to repair.

9, when the gear after grinding due to face wear, in order to maintain the axial clearance, the back end of the pump body must be ground to the appropriate thickness.

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