Now it’s been taken apart by me:

First we’ll put this on:

this is a vacuum, let’s install it:



After the screws are installed, slowly tighten them:




Install a screw here:



Let’s match the holes in the inner ring first, and the outer ring doesn’t care about it first:








Unplug it, and then we’ll just install it mouth-to-mouth:







Be sure to install it in place, and the screws must tighten:





first of all, this ink core plate to remove, remove the ink core plate, we have to first pull out these two lines, and then the ink core plate two screws removed:















