Yeobh 4th Gear August 10, 2014 Share August 10, 2014 Unfortunately, the pump wont work with a totally flat tyre. "Unfortunately, the pump wont work with a totally flat tyre." Just could not understand, those pedestal service station air inflators are designed for pumping tyres even they are 100% deflated so long as the tubless valves and tyres are in good working conditions. ↡ Advertisement Link to post Share on other sites More sharing options...
Newcell Clutched August 10, 2014 Share August 10, 2014 "Unfortunately, the pump wont work with a totally flat tyre." Just could not understand, those pedestal service station air inflators are designed for pumping tyres even they are 100% deflated so long as the tubless valves and tyres are in good working conditions. I taught likewise until I tried. Probably a safety feature to prevent misuse if no back pressure detected. Link to post Share on other sites More sharing options...
Watwheels Supersonic August 10, 2014 Share August 10, 2014 Actually I remember going to a kiosk that has pump with a button for totally flat tire. Maybe now no more liao. Anyway I have a 12V portable pump in the trunk. Link to post Share on other sites More sharing options...
Yeobh 4th Gear August 10, 2014 Share August 10, 2014 I taught likewise until I tried. Probably a safety feature to prevent misuse if no back pressure detected. No back pressure require, the only possibility is the air chuck ( normally a close type ) has a faulty one way valve. Link to post Share on other sites More sharing options...
Extremme 4th Gear August 10, 2014 Share August 10, 2014 Actually I remember going to a kiosk that has pump with a button for totally flat tire. Maybe now no more liao. Anyway I have a 12V portable pump in the trunk. Where did you get it and What brand? Have together used it before? Link to post Share on other sites More sharing options...
Watwheels Supersonic August 11, 2014 Share August 11, 2014 (edited) Where did you get it and What brand? Have together used it before? Most portable pump is able to pump from flat. There are a lot out there. If you go autobacs, quite a few to choose from. I got mine at the honda service center when it was on offer. No brand. Now I think no more already. I saw that it was very compact, came with a carrying case and can pump up to 500-600kPa that's why I bought it. Cost was around $75 before gst. Edited August 11, 2014 by Watwheels Link to post Share on other sites More sharing options...
Kangadrool Supersonic August 11, 2014 Share August 11, 2014 be careful though as sometimes these can be faulty; and they will deflate your tyres instead of inflating it. And there's no way it can inflate after that. Kena twice and now I won't touch it if the pump looks and sounds strange. "Unfortunately, the pump wont work with a totally flat tyre." Just could not understand, those pedestal service station air inflators are designed for pumping tyres even they are 100% deflated so long as the tubless valves and tyres are in good working conditions. Attempt only to change if you are in the cp or secluded area; never change in busy streets and highways. You should buy and hand pump instead of leg pump. Being kiv getting a portable pump since last came here.A fine morning, went to my ride and discovered a tyre flat like prata.Fast leg fast hand, swapped into my donut tyre, hell of ugly.A petrol station nearby, carted my mended tyre to have it pump.Unfortunately, the pump wont work with a totally flat tyre.Managed to get a portabe leg pump from a hardware shop nearby.It takes me around 10mins after constant leg work to get to 230.It cost less than $10 for the pump, but it works!The construction of the pump wasn't strong.After about 5 mins of contant pumping, somehow it frame startto change shape. Haha under $10 product, anyway it fulfill it duty.To those who never experience changing tyre,best get a pipe to extend the handle of the stock tool.This will provides better leverage when loosening andtightening the wheel nuts. Link to post Share on other sites More sharing options...
Newcell Clutched August 11, 2014 Share August 11, 2014 (edited) Ok a little free time in hand, went to test with my spare tyre. At a different petrol kiosk, 1st test pump into the spare wheel with 200 pressure. Air pump works. 2nd, deflate to about 100, test pump again, air pump works. 3rd, deflate spare wheel totally, pump again, this time same like before pump inactive. Nothing, meter not moving.. Apply leg pump to spare tyre, pump to about 80, then re-use kiosk pump, this time works. Somehow, it wont pump a flat tyre. Edited August 11, 2014 by Newcell Link to post Share on other sites More sharing options...
Roberttan 5th Gear August 12, 2014 Share August 12, 2014 Ok a little free time in hand, went to test with my spare tyre. At a different petrol kiosk, 1st test pump into the spare wheel with 200 pressure. Air pump works. 2nd, deflate to about 100, test pump again, air pump works. 3rd, deflate spare wheel totally, pump again, this time same like before pump inactive. Nothing, meter not moving.. Apply leg pump to spare tyre, pump to about 80, then re-use kiosk pump, this time works. Somehow, it wont pump a flat tyre. I think those digital air pump at petrol station req you to press a button in order to inflate a flat tyre the usual pumping procedure does not work on flat tyre let me try seach more info on this issue I will be back Link to post Share on other sites More sharing options...
Roberttan 5th Gear August 12, 2014 Share August 12, 2014 Not sure those meter same like this? You will need to press the button in order to inflate a flat tyre after preset the pressure 2 Link to post Share on other sites More sharing options...
TVT Supercharged August 12, 2014 Share August 12, 2014 Not sure those meter same like this? You will need to press the button in order to inflate a flat tyre after preset the pressure Yes, most of them has 3 buttons = +, - and flat tyre. I don't touch the "flat tyre" button at all. To pump tyres, I just press +/- to adjust the right pressure, then poke nozzle into tyre valve and the machine will pump air in. When pump to right pressure, there's a "ding ding" sound and you can remove the nozzle. be careful though as sometimes these can be faulty; and they will deflate your tyres instead of inflating it. And there's no way it can inflate after that. Kena twice and now I won't touch it if the pump looks and sounds strange. The driver has to be observant to what the machine is doing. If he sees the machine deflat the tyres (see the meter dropping, and hear the air coming out), quickly remove nozzle. Then drive to another petrol station or use another pump. I kena once before.....lucky I noticed it and quickly stop the deflating. Link to post Share on other sites More sharing options...
Kklim Supercharged August 12, 2014 Share August 12, 2014 (edited) Anyone knows if it is possible to connect an airgun (ref: http://www.westernsafety.com/guardair2008/guardair.html) to a portable pump? If possible, good for cleaning brakes and engine compartment. Edited August 12, 2014 by Kklim Link to post Share on other sites More sharing options...
TVT Supercharged August 12, 2014 Share August 12, 2014 You should buy and hand pump instead of leg pump. Is this pump (either use hand or leg) the same pump used to inflate bicycle tyres ?? Like these 2 : Link to post Share on other sites More sharing options...
Kangadrool Supersonic August 12, 2014 Share August 12, 2014 yes, but recommend to use the hand one. Is this pump (either use hand or leg) the same pump used to inflate bicycle tyres ?? Like these 2 : Link to post Share on other sites More sharing options...
Roberttan 5th Gear August 12, 2014 Share August 12, 2014 Yes to inflat a flat tyre 1 should press the flat tyre icon before connect the pump to your tyre valve Link to post Share on other sites More sharing options...
Kb27 Supersonic August 12, 2014 Share August 12, 2014 Anyone knows if it is possible to connect an airgun (ref: http://www.westernsafety.com/guardair2008/guardair.html) to a portable pump? If possible, good for cleaning brakes and engine compartment. I've been looking for such pump, but I think it's not available. The reason is that you need a tank to store the compressed air. The portable pump just can't build up pressure at the same time compressed air is going out. Link to post Share on other sites More sharing options...
Yeobh 4th Gear August 13, 2014 Share August 13, 2014 This portable tyre inflator c\w air tank as shown below can be adapted for air blowing/cleaning purpose for mechanics doing repair/service in the yard / parking bay. 1 Link to post Share on other sites More sharing options...
TVT Supercharged August 13, 2014 Share August 13, 2014 Yes to inflat a flat tyre 1 should press the flat tyre icon before connect the pump to your tyre valve So that's what that flat tyre button is for. Then for normal pump air (into a non flat tyre) we should not touch this button, I suppose....? ↡ Advertisement Link to post Share on other sites More sharing options...
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