Install both pads.
prepare For installation
Rotate the BigStack to its upright
position. It will lock into place.
NOTE: Use the red release button on the
base when you wish to fold the mast down.
Insert t-bolt through BigStack
base and adjustment knob.
Screw adjustment knob
onto t-bolt. Turn knob
three full turns.
ROUND
BAR
ONLY
Snap bail to base,
around crossbar.
Top notch for
Round Bars.
install bigstaCk on Crossbars
Distance from
the BigStack to
the tower should
equal the width
of your kayak (or
kayaks) on edge.
Determine position of BigStack
on the crossbar before
proceeding to step 5.