Please can any guys who have cleaned belgians with HWE explain how you go about it..ie...do you turn the psi down(mine is 135)..would you just do one quick wet pass at a time,would i need to use air movers ect...ect....cheers.
I find the best wand technique is NOT to do a quick wet pass... if you think about it, you're giving your suction less chance of removing the moisture. Do a
slightly faster than normal wet pass, just so you don't over-wet, then dry pass forwards, back and forwards again... then move over for your next wet pass.
Don't wand an area over as normal then go back to do more dry passes, as the water will already be on its way down to the backing.
This is where you really get the benefit from an extraction machine with more performance than your average twin-vac porty, it really takes a lot of the stress out of it knowing you're leaving the carpet without too much moisture in it. Before my TM I always used to use two ninjas in parallel on BW or any other shrinkers - with a 135psi pump, you've got a massive vacuum to water ratio like that, drying times as quick as with my TM too.
I too would normally opt for detergent-free pre-spray (solutions HD) rather than ultrapac, unless of course the carpet was very dirty. As Wayne rightly says, less rinsing required and if you do leave a bit behind so what, it won't cause a problem. Once you've got a detergent sprayed down you're committed to a thorough extraction rinse.... more than once I've left my optionms open, i.e. I've pre-sprayed HD, bonneted over very thoroughly and then made the decision whether to extract or leave it at that. You can't do that with a detergent pre-spray (well you shouldn't do that anyway
)
Also, doing it that way you can often just extract the traffic lanes if they still haven't come up as good, and of course doing that you can add something a bit more hardcore like ultrapac to just the traffic lanes and extract a bit heavier because you're not wetting the whole carpet.
Yes, air movers are a big help - again if only to relieve stress knowing you're leaving the carpet dry as you leave so no nasty surprise phone calls the next day