FASS T C10 150G - Manual (Page 11)

F. Some filler necks have the integrated over-flow tube. If your filler neck
does not have a separate over-flow tube, you have an integrated filler neck. Mark
location for the Return manifold on the rubber over-flow tube. Loosen
the clamps on both ends of the filler neck and remove screws from
fuel receptacle. Remove filler neck assembly. Slide rubber outer hose
down exposing filler tube. At mark, cut hose.
Make sure there is
enough tube on each side of the cut to insert the RM-1001 and to
place the hose clamps.
Slide top half over filler tube with HC-1003
clamp. Slide RM-1001 Return Manifold over the filler tube and into
over-flow hose with the small junction pipe pointing toward the fend-
er. Slide another HC-1003 clamp and bottom hose over filler tube and
secure. Re-install filler neck assembly.
Prepare FASS return line by cutting rubber junction connecting the
two halves of the filler neck. Position RM-1001 with the 1/2” junction
pipe aiming to outside of bed. Clamp rubber and RM-1001 using both
HC-1003’s.
G. Position RM-1001 with the junction pipe aiming to outside of bed.
Connect rubber and RM-1001using both HC-1003’s.