If you think that your losing air, error or era, you can perform a simple 
water test when you are not using the cushion.  Remove the cover and submerge 
below the waterline for a couple of minutes.  If you see bubbles rising, look 
for 
the source.
You may have to load up the cushion with air before the test to ensure the 
right air
pressure.
Make sure that you dry the cushion enough before re installing the cover.
Best Wishes
W

In a message dated 5/11/05 3:59:29 PM, [EMAIL PROTECTED] writes:

<< I have been on my roho wheelchair seat cushion  about 3 years. Do any 
other 
Roho users know if they need to be rotated.. or do  you just keep them in the 
same position always ? I began to notice mine was a  bit low and even when we 
filled it up more it seemed to sit a bit  different.......now last 2 days it 
has lost air, I don't see any way it could be  punctured unless my wife is 
not 
tightening the valve enough. 
Alway's  seem to have some quad related problems   LOL ,  thanks for any that 
may know !
                                                            >>

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