Engine without fuel-return pipe
1- CFS Cleaner, 2-Engine, 3-Plug, 4- The fuel-outlet pipe of the CFS,
5-Fuel tank, 6-Filter, 7- Fuel-outlet pipe of engine, 8-Fuel pump
a) Disconnect the fuel-outlet pipe (E
、
F) of the engine, and select a suitable
connector to connect the port E to the outlet pipe of the CFS.
b) Block the other port
（
F
）
（
Warning: just when the fuel pump being with
overflow port
）
. Or unplug the engine fuel pump fuse, or disconnect the
power cable of the engine fuel pump.
The pictures:
2. Pour the mixture of gasoline and detergent into steel bottle of the CFS.
