1. The whole air compressor air end.

2. Take out the shaft seal cover, replace well the oil seal and take out shaft sleeve.

3. The air compressor oil seal should be install like this .(Pls note carefully the direction)

4. Put the Oil seal to the place and fix it. (Pls note the rubber part no touch with shaft)

5. The last and most important is put the shaft sleeve, pls note the direction and method.

6. The method of install the shaft sleeve, should entangle some thing and just knock 1-2 time stably.