Packing machine oil seal replacement example

Example of replacing oil seal of packing machine
　　 During production, external or internal leakage may be caused due to aging or wear of the oil seal. Replacing the oil seal is sometimes convenient and sometimes more troublesome. In production, quick replacement of oil seals can save time. The following methods are worthy of reference.
　　 There is a leakage at the lower cylinder head of the piston cylinder of a certain MDY107-200A down-pressure packer. According to the normal oil seal replacement method, the pressure block, dust cover, and lower cylinder head must be removed first. In order to prevent the piston rod from sliding down, the upper cylinder cover must be opened, and the piston rod must be lifted with a hoist. After analysis, it was decided not to remove the pressure block, and only put a round steel under the pressure block to prevent the piston rod from sliding down. Remove the screws of the lower cylinder head, and then cut off the old O-shaped oil seal, take the O-shaped oil seal again, cut it with scissors at 45° or the degree can be smaller, put it into the O-shaped groove, and it only takes one hour to install the screw. The production runs normally. .
　　 It is sometimes difficult to install new oil seals on parts such as valves or plungers. At this time, you can pour waste hydraulic oil or water into the basin, and then put the new oil seal into the basin for heating. The oil seal becomes softer as the temperature of the oil rises. Quickly remove the oil seal from the oil basin and install it, and wait for the oil seal temperature to drop. , Install parts.
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