Pacific Cycles 2RIDER - Manual (Page 7)

2Rider Assembly manual
7
Step 4:
Assemble the pedals to crank arms at both sides.*
This step will not affect any other sub-assembly, you can decide do it now or later.
*Note: Always screw the “R” pedals on the
chainwheel side clockwise and the “L” pedals on
the crank side counterclockwise. Make sure they
are tightened.