The Stovebolt Site Forums The Parking Lot '60-'66 Trucks 1961 Apache 10 -Jack Set Storage info.

Here's a link to a thread with a shot from the factory assembly manual. It's not very clear, but if you save it to your computer you can expand it which may help. If someone has a copy of the manual perhaps they can do a better scan.

http://67-72chevytrucks.com/vboard/showthread.php?t=224474&highlight=stock+jack