Hardi Diaphragm Pump Broken Valve Cover

AUMF

Member
Hello,

We have a trailed Hardi sprayer with a 6 diaphragm pump (looks like a Hardi 363).

Recently it was leaking from where one valve cover bolts to the pump. It was a broken diaphragm. Replaced it OK but went again and now the bolt holding the diaphragm has broken through the cast valve cover.

What is causing it to break the diaphragms on one valve only and punch through the cover?

Cheers.
 

quattro

Member
Location
scotland
Hello,

We have a trailed Hardi sprayer with a 6 diaphragm pump (looks like a Hardi 363).

Recently it was leaking from where one valve cover bolts to the pump. It was a broken diaphragm. Replaced it OK but went again and now the bolt holding the diaphragm has broken through the cast valve cover.

What is causing it to break the diaphragms on one valve only and punch through the cover?

Cheers.
Presume there’s play in the con rod or crank
i probably have second hand parts if you can’t find any near you
 
Tags
sprayer

Could a ‘Meat Tax’ be on the cards in the UK?

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Written by Richard Halleron from Agriland

The latest machination coming from the so-called ‘opinion formers’, who seem to have the ear of government advisors in London, is the introduction of a ‘Meat Tax’ at consumer level.

This approach, it is argued, would have the combined impact of reducing meat consumption levels (I can really see the health benefits coming through now), while also helping to reduce the overall carbon footprint of production agriculture.

What absolute drivel! In my opinion, none of this makes sense at any level. This is a scurrilous and unfounded attack on livestock farming in this part of the world.

Yet, it has to be taken seriously. I make this point because economists at Rothamsted Research have already crunched the numbers where the introduction of a ‘UK...
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