Just a temp tarp cover till I get done when I come home, I need to go back to work as I spent a stupid amount of $$ this time home. Had to undo the conversion on the single leveling valve on my lift/drives as I could not get the weight to equalize across the three axles. Hate spending money to undo what I paid to have done. Live and don't learn, my motto
Post flatbed load photos here V2.0
Discussion in 'Flatbed Trucking Forum' started by leftlanetruckin, Feb 18, 2014.
Page 84 of 2733
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You did what? Run a single leveling valve for all three back axles when the one is a spring lded. lift?
Please don't tell me some body talked you into that.
The reason is the spring lift will try and lift and you need a seprate valve as it needs it's own air pressure to it.
Sometimes more than you would have for pressure on your drives air bags.
I can get away with that due to the fact my tag is not a liftable axle, but it does have regulaters on the lines. Never have had to adjust them though. -
The solutions was a little more complicated. I had a separate valve installed to dump the air from the lift axle bags when the lift bags inflated.
It worked fine but I think do to the difference in bag size fr the Hendrickson lift axle to the airliner suspension, the lift axle would only get about 80% of the weight each of my fixed drive axles would get, regardless of the fifth wheel position.
I had it converted because when I spoke to the CA inspection folks they told me it had to level from a single valve to get a inspection number for permitting as a 4 axle -
Ok, easy fix for that. Take and cut out some plates the same dim as your airbag bells. 1/4 " thick at the most.
Install them between your bottom bells on the tag and the swing arm plate. Helps with more down pressure on your tag.
Then you can get a better balance on your three axles with one leveling valve
Basicly making shims. -
Will have try that at some point when I get time. I am back the factory set up for a while.
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peterbilt_2005, Sleepy68, Cetane+ and 1 other person Thank this.
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Last edited: Jun 11, 2014
281ric, jomar68, Battle Born and 4 others Thank this. -
Can anyone tell me how to enlarge photos from my phone? When I hit edit post from my computer it brings up the pic and I right click on it and I choose the size. On my phone I hit edit post and it doesn't bring up the pic just letters and numbers.
Edit: I double left click on my computerLast edited: Jun 11, 2014
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MJ1657 Thanks this.
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