MotorVac CarbonClean System MCS 245 - Manual (Page 37)

16. As shown in the next figure, connect one end of the loop adaptor (#060-2501) to the
pressure line coming from the vehicle's fuel tank. Connect the other end of the loop
adaptor (#060-2501) to the return line going back to the fuel tank. This forms a tank-
to-tank loop, making it unnecessary to disconnect the fuel pump.
17.
As shown in the previous figure, connect the output ( red ) hose from the unit to the
adaptor on the pressure line going into the fuel distributor.
18. As shown in the previous figure, connect the return ( black ) hose from the unit to the
adaptor on the return line coming from the fuel distributor.
You are now ready to begin the CIS cleaning procedure.