> There is a split aluminium ring inside the tank with captive nuts
attached
> (the bolts did not feel as if much thread was actually engaged).
Check your bolt lengths, when all assembled ( including gaskets) you should
have at least two threads protruding past the captive nuts.
> Brown sealant had been applied over the whole lot. There is fuel staining
on
> the tank facing surface of the inner rubber ring.
You should not need either!! Replace the rubber with cork gasket material,
appears the brown sealant was an attempted quick fix for the failure of the
rubbers.
> The tank material itself feels quite slippery - difficult to sand a good
> key for sealant bonding. Especially difficult on the inside due to
> restricted access.
See above, just clean it off.
Peter ZK-ZEB
William
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