Jabsco 37075 - (all hidden) Joker Valve replacement

Fire99

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Afternoon gang,

I've a pair of Jabsco 37075 series heads on the boat and looks like I need to replace Joker Valves. Everything is hidden on these so has anyone a bit of simpleton advice on finding the valves? Do I need to unbolt the whole unit and move it forward or something of that nature?

I've done a bit of googling but a bit of human input would be appreciated..

cheers,

Nick
 
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