When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
1) put the side gears in
2) put one of the spider gears into the carrier by pressing it against the side gears
3) Rotate the side gears so the one spider gear move down into the carrier. Keep going until it's 180 degrees from the opening in the carrier.
4) put the other spider gear in
5) turn the side gears until hole in the spider gears lines up with the hole in the carrier
6) Try to slide the cross shaft through. If you've gotten the spider gears in the right spot it will go through. If not, you have to pull one of the spider gears off and reposition it and try again.