2. Disassemble the power end pulley (there is no such step when replacing the non-power end machine seal);
3. Remove the power and non-power end of the machine cover and hang it on the shaft, pay attention to the light and easy to remove; this step is especially important to avoid damage to the machine seal. (Note: this step is also necessary if the bearings at both ends are separately serviced);
4. Remove the bearing gland to replace the machine end and remove the bearing lock back cap;
5. Use the top wire to pull out the bearing seat together with the bearing. (At this time, it is necessary to use the hoist to hang the shaft from the disassembly end to facilitate the ejection of the bearing);
6. Remove the old machine seal from the shaft;
7. Carefully put the new machine seal after inspection on the shaft;
8. Clean and check whether the bearing is in good condition and check whether the bearing clearance is suitable;
9. Put the bearing and bearing seat back on the shaft, add grease to the bearing, tighten the inner ring to lock the back cap, and install the bearing gland (this step also requires the hoist hanging shaft to match);
10, test drive to see if it is easy, pay special attention to this car during the process of not damage the machine seal;
11. Reload the machine seals at both ends from the shaft to the inside of the sealed box;
12. Reloading the pulley (there is no such step when overhauling the non-power end);
13. Reload the condensate water pipe and pass the condensed water to test the leak;
14. After the overhaul is completed, the work is cleared.
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