There are 3 versions of the 766 see the link below for the owners manual and parts list.
Crosman has the parts diagram online. There were 3 different versions. See the link below for the first version. http://www.crosman.com/pdf/manuals/crosman/766/C766-EVP1.pdf
See the link below for a view of the Crosman 766
See the link below for the parts manual from Crosman.
See the link below for the diagram of the Crosman pro 77.
See the link below it has all the Crosman Owners and Parts manuals online.
You mean "Pellets". See the link below
Crosman offers a service to locate repair shops that repair older Crosman air rifles. See the link below
See the links below for the owners and parts manuals.
There are three different versions of the 766 but all three load the same. All load through the oval trap door on the pistol grip. See the link below for the Owners Manual
see the link below. locate your rifle and click on the file to view the parts or owners manual.
You have two choices. 1. Go to www.crosman.com and click on "download a manual." Find a diagram for your 766 and try to repair it yourself. or. 2. Go to www.crosman.com and click on "find a service center" and locate one near you and have it repaired.
Crosman offers a service to locate shops that repair air guns that are out of warranty. This service is free. See the link below. http://www.crosman.com/cs/service-center