1953 3100 (1/2 ton truck)

- torque tube transmission
- one solid torque-tube
- solid attachment at rear end
- one u-joint at forward end (with a bell/ball cover)

The u-joint and bell/ball can be split/separated/removed and pushed backwards.
This can be done with the torque-tube rear-end assembly in place

u-joint removal (step C an onwards) - separation from transmission and removal of u-joint (3-speed)
http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0704.htm

Installation is a reverse procedure

Installation - universal joint adjustment:
http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0711.htm

Older torque-tube trucks were a little more complicated, requiring rear end to be moved rearwards.

Tim
1954Advance-Design.com
1954 3106 Carryall Suburban
1954 3104 5-window pickup w/Hydra-Matic
The 216 and early 235 engines are not "splash oilers" -- this is a splash oiler.