Kenworth air bag 8 bag ride height

Submitted: Wednesday, Feb 13, 2013 at 16:35
ThreadID: 100529 Views:12716 Replies:6 FollowUps:4
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Does any one know the correct height as the dealers can't even help me out cheers
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Reply By: Dave(NSW) - Wednesday, Feb 13, 2013 at 17:36

Wednesday, Feb 13, 2013 at 17:36
I don't know what you want to use it for, but they are massive compared to 4wd stuff.
Cheers Dave
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Follow Up By: Rockape - Wednesday, Feb 13, 2013 at 19:37

Wednesday, Feb 13, 2013 at 19:37
Dave you forgot the odd bit of tricky valving that goes with them as well.

Have a good one,
RA.
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Reply By: Thinkin - Wednesday, Feb 13, 2013 at 20:17

Wednesday, Feb 13, 2013 at 20:17
Why do you ask for the correct height? is it not working.Try finding the manufacturer or brand name on the airbag, and then contact them.
Obviously ride height depends on load and air pressure so its not a simple answer.
Does the truck have an adjustable pressure switch or just an inflate/deflate switch.

Alpero
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Reply By: Member - MUZBRY(Vic) - Wednesday, Feb 13, 2013 at 22:26

Wednesday, Feb 13, 2013 at 22:26
Gday
You might have to know how high the turntable is compared with the under side of the trailer. So if you measure where the king pin is, that will be your ride hight. Loaded or unloaded , that is the ride hight.

Muzbry
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Follow Up By: Member - Keith P (NSW) - Wednesday, Feb 13, 2013 at 22:45

Wednesday, Feb 13, 2013 at 22:45
AFAIK...Kenworths have an adjustable rod / valve that is attached to chassis and (usually) front diff/axle in a bogie drive. The distance between flat top side of rear axle and corresponding bottom of chassis rail unladen is the height. The correct measurements are usually in the operators manual...or contact any good truck service agent.
HTH

Cheers Keith
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Reply By: peter r14 - Wednesday, Feb 13, 2013 at 22:48

Wednesday, Feb 13, 2013 at 22:48
Cheers Keith
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Follow Up By: Ross M - Thursday, Feb 14, 2013 at 00:03

Thursday, Feb 14, 2013 at 00:03
peter r14
Generally suspensions are designed to operate with about 2/3 of the total travel as compression to absorb bumps and undulations and have around 1/3 left when sitting static so the wheel has the ability to drop and stay in contact with the road surface for steering and braking while the axle moves up and down.

Most suspensions have to have at least the 1/3 drop to be legal.

I would imagine the correct height for your vehicle will fall closely within this.

Ross M
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Reply By: scandal - Thursday, Feb 14, 2013 at 01:54

Thursday, Feb 14, 2013 at 01:54
A very general rule of thumb, a truck with the normal 11r 22.5 inch rim and tyre should be

have the top of the tyre level with the top of the chassiss, it shouldn't be any different loaded or empty,
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Reply By: peter r14 - Thursday, Feb 14, 2013 at 07:54

Thursday, Feb 14, 2013 at 07:54
Thanks Scandal now that a good explanation of how they operate
Cheers mate
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Follow Up By: Member - MUZBRY(Vic) - Friday, Feb 15, 2013 at 12:56

Friday, Feb 15, 2013 at 12:56
Gday
I just asked my technical advisor about the setting , he said "approximately 1 metre from ground to top of chassis"



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