Originally Posted by AtHomeSewing

Here, I found an illustration for you:
http://www.gloversvillesewingcenter....aintenance.htm

Originally Posted by sewgray

You can't take the bobbin race out on the 180. If you look in the bobbin area you will see a little white dot, that's where you put the oil. Only a drop or two and be sure the oil is still clear and doesn't smell rancid. It should show this in your instruction book. If you can't find it I will try to take a picture of mine and post it. You might have to turn the handwheel to put the dot in the bottom position.

Originally Posted by AtHomeSewing

Take the bobbin out, and press the lever which releases the hook race cover. Now the hook will come out. The hook race is the metal lip or edge of the hook. Brush off any lint and put a couple drops of oil on that metal lip so that when the hook rotates the mating surfaces have lubrication.

Here, I found an illustration for you:
http://www.gloversvillesewingcenter....aintenance.htm

Originally Posted by AtHomeSewing

Take the bobbin out, and press the lever which releases the hook race cover. Now the hook will come out. The hook race is the metal lip or edge of the hook. Brush off any lint and put a couple drops of oil on that metal lip so that when the hook rotates the mating surfaces have lubrication.

Here, I found an illustration for you:
http://www.gloversvillesewingcenter....aintenance.htm

Originally Posted by sewgray

Blahel that is link for the a CB hook bobbin. The 180 has a rotary hook. Beleive me, I have the 180, and also a 160 with the CB hook. They are two different animals.

Okay I just went to the link and there is instructions for the 180 on the right. Same as I told you. It's also on page 74 of your instruction manual.