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.
install bigstaCk on Crossbars
ROUND
BAR
ONLY
1033411C-2/21
Screw adjustment knob
onto t-bolt. Turn knob
three full turns.
Snap bail to base,
around crossbar.
Install both pads.
Determine position of BigStack
on the crossbar before
proceeding to step 5.
Distance from
the BigStack to
the tower should
equal the width
of your kayak (or
kayaks) on edge.
Top notch for
Round Bars.