keithm Posted September 17, 2007 Report Share Posted September 17, 2007 Put simply, the idea of the filter bag is to let the air out through the mesh and keep the dust in. Over time, the bag builds up a layer of 'crust' as we call it on the inside of it. In order for your extraction system to work effeciently, the bag needs to 'breath' Any restriction to this will mean a reduction in suction. Therefore, make sure you shake your bag at least 3/4 times a day and change the bag regularly!! Hope that helps Hugh be do Link to comment Share on other sites More sharing options...
kobblers Posted September 17, 2007 Report Share Posted September 17, 2007 how much are replacement bags anyway whilst we're on the subject? rick. Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted September 17, 2007 Report Share Posted September 17, 2007 As this is a Health & Safety issue, why are Automatic shakers not fitted to all new machines. (dont mention cost as it's H&S) Link to comment Share on other sites More sharing options...
petercoulson Posted September 18, 2007 Report Share Posted September 18, 2007 automatic shakers were/are available, HARDO have them as standard on one filtration system, but for bags systems they are about as much use as a chocolate tea pot. they cannot shake vigorously enough and have been tried and dumpted before. i always recommend that you use the shaker cable to drop large clogged up sections of dust but you supplement that by physically shaking or banging the bags with a stick, this will clear the finer particles from inside the legs. Link to comment Share on other sites More sharing options...
keithm Posted September 18, 2007 Report Share Posted September 18, 2007 The Flexam'City' range of machines have automatic, programmable, bag shaking. As Peter says, a vigirous shake of the bag on most other machines will suffice. Link to comment Share on other sites More sharing options...
kobblers Posted September 18, 2007 Report Share Posted September 18, 2007 no-one answered my question. Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted September 18, 2007 Report Share Posted September 18, 2007 no-one answered my question. That may be because you asked a general question and did not quote a machine make or model number. Even so, I doubt if those involved will publish their prices on an open forum. Once knew of a guy who taped an old pillow case on when his bag disintegrated and swore it was just as good. Link to comment Share on other sites More sharing options...
kobblers Posted September 18, 2007 Report Share Posted September 18, 2007 i had it in my head that we were discussing a whitfield 700 Link to comment Share on other sites More sharing options...
windycity Posted September 18, 2007 Report Share Posted September 18, 2007 hi ascap hows the new shop hey you have to remeber that we can't multi tasking with posts you know go from one subject to another then back to the first as we are on the whole men but not sure that includes hugh.... Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted September 18, 2007 Report Share Posted September 18, 2007 i had it in my head that we were discussing a whitfield 700 No, the topic was Machine Fire, been sniffing Trico again Link to comment Share on other sites More sharing options...
kobblers Posted September 18, 2007 Report Share Posted September 18, 2007 wasn't the machine fire in a 700 then? Link to comment Share on other sites More sharing options...
Guest Iain Cheall Posted September 19, 2007 Report Share Posted September 19, 2007 It was mate but they won't put a price up for a bag cos they sell them to everyone at different prices depending on how good a customer you are or might be in the furture. It's that rude word DISCOUNT again As I ain't a cobbler but I have looked at several different machines, they seem to have a pan underneath the work area to catch all the debris which can be then lifted up to allow the suction to remove the debris into the bag. It seems to me that a possible way of preventing bagfires would be to have the pan closed while you work and when you finish the little scouring session you have a quick to check it ain't smouldering and then open the pan to suck it all away. I might be missing something here but then I ain't trained on a finisher and have only used one a few times and certainly not a frequently as you guys do. Link to comment Share on other sites More sharing options...
keithm Posted September 19, 2007 Report Share Posted September 19, 2007 Rick, you have a PM Keith Link to comment Share on other sites More sharing options...
petercoulson Posted September 19, 2007 Report Share Posted September 19, 2007 just to let you know, we charge, depending on the type of customer you are of course iain, 135.76 +VAT for a 700 dust bag although the prices are a bit fluid depending on the supplier we use. Link to comment Share on other sites More sharing options...
petercoulson Posted September 19, 2007 Report Share Posted September 19, 2007 and before you ask, that is not a fitted price just supplied and p+p is on top, approx 10.00 Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted September 19, 2007 Report Share Posted September 19, 2007 just to let you know, we charge, depending on the type of customer you are of course iain, 135.76 +VAT for a 700 dust bag although the prices are a bit fluid depending on the supplier we use. Christ, I only paid that for my finisher mind you it was in 1939 Link to comment Share on other sites More sharing options...
petercoulson Posted September 19, 2007 Report Share Posted September 19, 2007 is that the one they made into a spitfire? ps please only call me christ at the weekends Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted September 19, 2007 Report Share Posted September 19, 2007 Nah, it did not have sheet metal on it, only the trimming and scouring bins. Just a load of Iron bars with A frames at the ends and middle so you could sweep right through it and what was more to the point, you could get immediate access to a burning bag, most of us used to let em burn just to get warm as we could not afford heating and the parafin stove was only lit to warm our Sheeps Brain broth on at lunchtime. Link to comment Share on other sites More sharing options...
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