Fuel Line Coupler: Service and Repair

b. Observe these precautions when removing and installing the fuel injector.
1. Never reuse an O-ring.
2. When placing a new O-ring on the fuel injector, take care not to damage it in any way.
3. Coat a new O-ring with spindle oil or gasoline before installing.

NOTE: Never use engine, gear or brake oil.







c. Install the fuel injector to the fuel delivery pipe and cylinder head, as shown in the illustration. Before installing the fuel injector, be sure to apply spindle oil or gasoline on the place where the fuel delivery pipe touches an O-ring of the fuel injector.







d. Observe these precautions when disconnecting the fuel delivery pipe.

HINT: The structure of the metallic connector is shown as illustration.







1. Remove the EFI fuel pipe clamp.
2. Get the metallic connector of the fuel tube assembly, pull it out towards the rear and hold it as it is.







3. Assemble SST to the connection as shown.

SST 09268-21010







4. Turn SST, align the retainers inside the connector with SST chamfered parts and insert SST into the connector.
5. Slide SST and the connector together towards the fuel tube assembly.







e. Observe these precautions when disconnecting the fuel tube connector (quick type).
1. Remove the EFI fuel pipe clamp.
2. Check if there is any dirt like mud on the pipe and around the connector before disconnecting them and clean the dirt away.







3. Be sure to disconnect with hands.
4. When the connector and the pipe are stuck, pinch the retainer between the hands, push and pull the connector to free to disconnect and pull it out.

NOTE: Do not use any tool at this time.

5. Inspect if there is any dirt or the likes on the seal surface of the disconnected pipe and clean it away.







6. Prevent the disconnected pipe and connector from damaging and mixing foreign objects by covering them with a vinyl bag.







f. Observe these precautions when connecting the fuel tube connector (quick type).
1. Match the axis of the connector with axis of the pipe, and push in the connector until retainer makes a "click" sound. In case that the connections is tight, apply little amount of new engine oil on the tip of the pipe.
2. After having finished the connection, check if the pipe and the connector are securely connected by pulling them.