| 摘要 |
PURPOSE: An assembly holder is provided to prevent the insertion of foreign substances at the separation and the assembling of a bucket, to take measures against the corrosion of a bucket pin and a bushing easily, to reduce inconvenience of workers and to reduce environmental pollution by extending the inserting term of grease. CONSTITUTION: A grease injector is extended by forming a foreign substance insertion protector(12) in a holder portion to prevent the insertion of foreign substances. The assembly holder comprises a holder body(2), a holder cover(3), an auxiliary holder assembly(13), an oil ring(5), a bucket bushing(6), a holder bushing(8), a pin(9) and a bolt(4). The dismantlement or the assembling is performed simply by inserting an auxiliary holder(7) in the center of the holder body and tightening the holder cover through the bolt. Thereby, the corrosion of the pin and the bushing is replaced simply.
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