v8bertha Posted September 20, 2011 Share Posted September 20, 2011 I have a warn 5gallon air tank buried in the dark depths of the 110 somewhere. The air con pump that fills it is triggered by a pressure switch that was donated to me by a friend. But unfortunately it only seems to fill to about 40psi. Even with my very basic knowledge of these things, that seems a bit low. I've checked the switch and there doesn't appear to be any adjustment screw on it. So I thought I'd treat myself to a new one. But which one??? Does anybody know what the warn tank can take pressure-wise? Obviously I'm not interested in filling it to its maximum and risking blowing the pressure valve every time, but it would be nice to be able to get some proper blow out of it. So I guess what I'm asking in a very long winded way is what's a good working pressure range for a basic on board air setup? Cheers all Dan Quote Link to comment Share on other sites More sharing options...
moose Posted September 20, 2011 Share Posted September 20, 2011 morning Dan, try a switch like this ebay you prob want a good 100 psi (or 7bar) in the tank paul Quote Link to comment Share on other sites More sharing options...
kiwi_110 Posted September 20, 2011 Share Posted September 20, 2011 I run my onboard tank to 130 PSI with an AirCon compressor. I run tools at that but a regulator trims it down to 90 odd for the air-lockers, and an adjustable regulator in the cab does 5 - 35 PSI for the air springs. Quote Link to comment Share on other sites More sharing options...
v8bertha Posted September 20, 2011 Author Share Posted September 20, 2011 Cheers for the link Paul, that looks like what I need... just need to find one that doesn't have "Off road" in the title, then it'll probably be cheaper!! Thanks to both of you for confirming that somewhere in the region of 100psi is a good number to have Quote Link to comment Share on other sites More sharing options...
MrKev Posted September 20, 2011 Share Posted September 20, 2011 I'm using one something like this: http://www.ebay.co.uk/itm/COMPRESSOR-PRESSURE-SWITCH-1-4-SINGLE-PHASE-230V-/280735815829?pt=UK_Air_Tools_and_Compressors&hash=item415d289895#ht_2197wt_754 I paid about a tenner for it. Kev Quote Link to comment Share on other sites More sharing options...
mickeyw Posted September 20, 2011 Share Posted September 20, 2011 I'm using the same type of switch as Kev. The adjustment pressure range is pretty wide, and a fairly sensible hysterisys. My on board air tank (ex RRC air suspension) runs at 100 PSI, supplied by the serp V8's Denso A/C pump. Works my twin truck air horns nicely Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted September 20, 2011 Share Posted September 20, 2011 I'd check the specs of the tank, not impossible that it's designed for a different pressure than most tanks. Quote Link to comment Share on other sites More sharing options...
ejparrott Posted September 20, 2011 Share Posted September 20, 2011 *hopefully* as its from someone as big as Warn, the tank will have a manufacturer's plate on it stating the pressure. Quote Link to comment Share on other sites More sharing options...
v8bertha Posted September 21, 2011 Author Share Posted September 21, 2011 @ejparrot... yeah, hopefully, but 'cos its buried, I won't be able to find out too easily @MrKev... cheers for that. I was looking at them and wondering if the red pull switch could be bypassed? Quote Link to comment Share on other sites More sharing options...
CwazyWabbit Posted September 21, 2011 Share Posted September 21, 2011 @ejparrot... yeah, hopefully, but 'cos its buried, I won't be able to find out too easily @MrKev... cheers for that. I was looking at them and wondering if the red pull switch could be bypassed? Just leave the red pull switch in the on position. IIRC they aren't so much a switch as more an alternative way to activate the normal switching mechanism if you see what I mean. Quote Link to comment Share on other sites More sharing options...
MrKev Posted September 21, 2011 Share Posted September 21, 2011 Yeah, the red pull switch is very much connected to the part of the actual switch contacts inside. I/my passenger keep kicking mine into the off position - worth building a cover for it or cutting the red bit off completely if you don't need it. Kev Quote Link to comment Share on other sites More sharing options...
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