FASS T 125G - Manual (Page 15)

C. Attach the line completed in Step 4b to the return port of the FASS labeled
with an “R”. Route to the port in the fuel tank being used for return fuel.
Measure, mark & cut.
D. In the same manner as previously covered, route and loosely connect the fuel
lines discussed in this section to the appropriate points of connection.
E. Torque all connections to 18 ft./lbs. Secure all fuel lines and fittings. Continue to Step 5
Note: Hose clamps are not recommended for push lock fittings.
They will hold up to 300psi! Use oil on fittings and inside fuel line
when installing Push-Lok fittings