1. Pull the quick flange connection to the pipe to clear it locks (clicks).
2. After connecting the hose, pull in different directions (A and B) two parts of quick connector and make sure the connectors are secure fixation, it does not click connection holders.
Disconnection
PERFORMANCE ORDER
1. Remove the fuel pressure.
2. Click the quick release flange connection in the direction A.
3. Compress both holders and disconnect the connection by pulling the flange in the direction B. When disconnecting, do not apply a lot of effort.