Hw 100S Leaking

[Nitevis74 47]

Hi guys just noticed I've got a leak in my hw 100s charged it Friday full to the top and today it's down to 160 bar ,I've not used it the weekend any suggestions

[airtech 39]

we have had a number of hw100 in over the past couple of months with a similar problem take the action out of the stock and you will see a little hole by the back screw that holds the action into the stock put a little oil over the hole and see if it bubbles. if it does then the seals onthe reg are leaking the seals on the reg are very thin

[vizlauk 1,568]

Another prone place for the hw100 to leak is the small o ring that sits on where the cylinder screws onto the action, remove your silencer, then unscrew the air cylinder , you will see a small o ring ! Chances are its that !

[toby63 1,236]

Hi guys just noticed I've got a leak in my hw 100s charged it Friday full to the top and today it's down to 160 bar ,I've not used it the weekend any suggestions

are you filling more than 200 bar ?

[David Aiken 253]

Mine leaked, it was the cylinder. A smear with silicon grease around the `o` ring soon sorted it. The `o` rings are prone to becoming dry.

[Nitevis74 47]

All sorted now cheers

[David.evans 5,323]

Come on then tell us what was wrong ?

[villaman 9,982]

So what was wrong with it ?

[Nitevis74 47]

It was the o ring on the air cylinder ,undone the cylinder took of the o ring put a smear of silicon oil on it and reassembled it hey presto it just needed to be cleaned off and reseated thanks guys