Double check that the whisker does not touch the #4-40 hex nut or screw
on the other side. Use the screwdriver to tighten the screw with out moving
the position of the whisker.
We want to opposing whiskers. Take note of which side your #4-40 x ¾"
standoff is on for the first mechanical bumper. Do the opposite for the other
bumper. Double check that there is one mechanical bumper that has a
#4-40 x ¾" standoff on the
right
side of the “RedBot Bumper” silkscreen
and one that has a #4-40 x ¾" standoff on the
left
side.
Locate the wide rectangular slot on the front of the Top Chassis Plate (B).
Notice the four circular holes as well. This is the front of the chassis.
