15 Oct
2012
15 Oct
'12
4:24 p.m.
On Mon, 15 Oct 2012, Tony Duell wrote:
I have no idea what it's for. The HDA cannot be
presurised in normal use,
there is a breather filter. One suggestio nwas that clean ar was squred
in there when the HDA was made, forcing any resitual dust onto the
brether filter. Any other ideas?
If there was not a breather, and if you pressurized slightly, then
any leakage would be outwards, keeping dust from entering