Yes it is the factory service manual given to me when i bought the car 6 years ago from the original owner. Manual was issued August 1980 publication no. Sm1E-0A10U0
ujoint disassembly
1)Mark propeller shaft and journal so that the origional combination can be restored at assembly.
2)remove snap ring with flat blade screwdriver.
3)Lightly tap base of yoke with a hammer, and withdraw bearing race.
hope this helps . Have a good day