Verticle storage make a difference

The Rock shox Reba forks I have have just started weeping oil from the U turn adjuster the bike is only 6 months old I spoke to the LBS and they want it back to inspect (fair enough) but its a 60 mile round trip and it may just be a loose cap ect so firstly anyone know how to remove the adjuster I can see a knurled cap so I assume you undo this whilst pulling up the adjuster and finally I store the bike verticle with back wheel sat on the ground and front wheel fixed to the garage wall. The oil in the forks will run to the top at this angle but I have two other MTB that do not suffer the same issue but they are Fox Forks though.
Comments greatfully received
Comments greatfully received

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but it will need a new seal so leavit for the LBS.
Parktools :?:SheldonBrown
linky
I've bought a new bike....ouch - result
Can I buy a new bike?...No - no result