Rusty Nail wrote:
It should only be opened, one quarter of a turn.

I wouldn't leave it opened myself.

If there's so much air getting into the system that it it needs to be
vented frequently then there is something that needs serious attention
I'd suggest.

--
http://gymratz.co.uk - Best Gym Equipment & Bodybuilding Supplements UK.
http://trade-price-supplements.co.uk - TRADE PRICED SUPPLEMENTS for ALL!
http://fitness-equipment-uk.com - UK's No.1 Fitness Equipment Suppliers.
http://Water-Rower.co.uk - Worlds best prices on the Worlds best Rower.