I have a Fisher and Paykel Smart Drive washing Machine ?

I want to replace the solenoid inlet water valves and have taken the top off with 2 screws and taken the soleniod block off with 2 more screws and have loosened the power inlet wiring.
I now have access to the 2 solenoid valves fixed to the plastic base... how do I get the solenoid valves off (individually) this plastic base ?
Step by step instructions if possible ?