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[andnez]

can anyone help please when re assy it the o ring keeps breaking WEVE RELUBE IT to know availe

regards andy

[joffy]

Have you tried easing the edges around the cocking slot with a fine file and wet and dry paper.

[joffy]

Also try warming the rubber washer in fairly warm water to make it a bit more pliable, don't forget to dry if before assembling it.

[andnez]

Cheers both suggestions worked atreat