This page shows how to install E3DV6 hot end on the VWheel X axis carriage

PDF3D: E3D V6 installation on X Carriage

X End stop

Ajustement of X and Y axis end stop positionPush

1. SLide the X carriage untill the nozzle tip reaches the left edge of the build plate
2. Adjust the location of the X end stop so that it is pressed against the carriage when the nozzle tip is on the left edge of the build plateSLide the

Slide the build plate backward against the Y axis end stopThe nozzle tip, again must be located on top of the Front edge of the build plate.

If not you need to adjust the position of both right and left Z axis mounts

It is important to keep the same distance between the left and right mounts, otherwise your printer geometry will be wrong.