Replaced broken fuel filter housing on puma now can't get fuel up into the motor

Must be a common problem but my car needs filling ocassionally too!

Here is a pic of the fuel system:

https://www.aulro.com/afvb/images/im...011/10/881.jpg

A: 110
B: 90
1: Fuel Cooler
2: Fuel Filter
3: Fuel Tank

Cheers,