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Author Topic: leveling system  (Read 4984 times)
brando4905
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« Reply #15 on: February 12, 2011, 11:33:34 AM »

Lee,

If we're talking about the same guy down in FL, I just got an email back from him and he doesn't offer the kit anymore.

Glad this subject came up, i've been hoping to do some sort of leveling system as well. Anyone out there know of another kit that has everything you need to do this and still maintain the stock auto leveling system?

Brandon

PS-- Jriddle, we were typing at the same time, have you had any issues with not having the stock configuration?
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1980 GMC H8H-649  8V71/V730 Marion,NC

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uncle ned
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« Reply #16 on: February 12, 2011, 12:43:08 PM »



ON my 04 I have a system made years ago by a man by the name of Red Ridout I think.
It has a on off switch that switches from road to park. It also has 4 guages that read the pressure in each bag.

If all fails I use the hydraulic feet on each corner. Use big block if the spot is very sloped.

I do not understand why 3 point is better than 4 point leveling systems. The bus uses all four to level under normal
use.  level is level to the bus either way it gets there.

uncle ned
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Jriddle
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« Reply #17 on: February 12, 2011, 05:35:29 PM »

PS-- Jriddle, we were typing at the same time, have you had any issues with not having the stock configuration?

Brandon

I have had no issues as you discribe.

John
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John Riddle
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« Reply #18 on: February 12, 2011, 05:38:56 PM »

I do not understand why 3 point is better than 4 point leveling systems. The bus uses all four to level under normal
use.  level is level to the bus either way it gets there.

uncle ned

My MCI came from the factory with the 3 point system the front air bags receive the same amount of air where the back each side could receive different amounts.

John
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John Riddle
Wells NV
1984 MC9
robertglines1
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« Reply #19 on: February 12, 2011, 07:38:24 PM »

Red Rideout is a neighbor. Is not doing leveling systems any more. His coach is sitting.  a fine gentleman!  Bob
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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« Reply #20 on: February 12, 2011, 07:44:11 PM »

Mechanical level system.  I just put a door hinge(barn) and attached bottom of leveling valve rod to it instead of frame. I use a morris cable to move the end of the hinge and change it's anchor point. A pair of levers in the last bay lets you level side to side and back to front. When ready to go down road just return them to the neutral position. Kiss system     Bob
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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« Reply #21 on: February 12, 2011, 07:48:43 PM »

Ned,

The three point system is to prevent twisting the body as has already been posted. There are only three leveling valves - the front valve is for up and down - the two rear are for side to side and also up and down.

The original bag system is not designed to level the bus, it is only designed to keep all four axle to body distances the same regardless of load to keep the bus stable while moving.

The name "leveling valve" causes no end of confusion about this!!

Truck cabs were make with three point mounts years ago for the same reason, don't know if they still are. All my trucks are ancient!
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« Reply #22 on: February 13, 2011, 09:18:56 AM »

Bob,

You mentioned that system before.  It sounds interesting.  Do you have any pictures yet?  Is that what you are going to use on your new bus? 
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brando4905
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« Reply #23 on: February 13, 2011, 10:45:58 AM »

Bob,

Your system sounds like the simplest so far, I'd love some photos as well when you get a chance.

Brandon
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norules
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« Reply #24 on: February 13, 2011, 12:23:43 PM »

http://www.truckspring.com/products/Firestone-Air-Adjustable-Leveling-Control-Panel---Quad-Pneumatic---Black__FIR2333.aspx

remove all the HEIGHT CONTROL VALVES - (no OTR auto leveling)
<> use as is for 4 POINT CONTROL (not recommended)
or
<> use as  3 point (preferred) with one of the four pressure needles as SUSPENSION tank pressure & remove one pnematic switch

or keep the OTR Height Control by using MAC 35A-AAA-DDBA-1BA  (12volt DC / 5.4watts  - 18" flying leads solenoids)
   to activate the Height Control valves when drivong OTR

« Last Edit: February 13, 2011, 03:44:53 PM by norules » Logged
Jriddle
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« Reply #25 on: February 13, 2011, 01:34:45 PM »

Drawing look like the ones I got when I purchased my system from that former member?HuhHuhHuhHuhHuh

My observation
John
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John Riddle
Wells NV
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« Reply #26 on: February 13, 2011, 01:39:53 PM »

Drawing look like the ones I got when I purchased my system from that former member?HuhHuhHuhHuhHuh

My observation
John

That "Before and after" drawing IS one of the drawings that he did use. Shouldn't be too hard of a system to build now that norules has posted the Mac Valve numbers. Those can be purchaced from most any Industrial Supply house.
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« Reply #27 on: February 13, 2011, 01:54:01 PM »

Norules,

Is that the right part number?  It looks like the DDBA is 12 volt.
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robertglines1
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« Reply #28 on: February 13, 2011, 02:18:33 PM »

Manual leveling system; parts   2 barn door springs 8 inch free end     two Morris control cables 1 each approx 5 ft  long and 1 each approx ten ft long. a two lever control  unit (mine home made).   UN do bottom of level rod where attached to frame.  weld or bolt barn spring with long side free under control rod. attach control rod so it can swivel to free end of spring. attach one end of Morris cable to free end also.  Movement of the cable will move the free end of the barn spring and therefore move the anchor end of the leveling valve rod. so you are changing the location of the anchor end or the leveling valve and it will correspond with more air to return to neutral position or exhaust air again to return to neutral position..... Basic you are just changing the anchor location.   will try to get a pic of mine..Yes I'm using on new coach also. Simple no elect solenoids just a mechanical change in location of anchor location.  just return lever to stock setting(notch in lever) to go down road. 
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Bob@Judy  98 XLE prevost with 3 slides --Home done---last one! SW INdiana
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« Reply #29 on: February 13, 2011, 02:34:15 PM »

Norules,

Is that the right part number?  It looks like the DDBA is 12 volt.


You are correct in that was a 12V valve number... Good Catch..   The part # for the 24VDC 5.4 watt MAC Valve is 35A - AAA - DDAA - 1BA

They are on Ebay for $19.95 each..
http://cgi.ebay.com/MAC-35A-AAA-DDAA-1BA-24V-DC-Pneumatic-Solenoid-Valve-/190495856064?pt=Pneumatic_Hydraulic_Valves_Parts&hash=item2c5a7015c0
« Last Edit: February 13, 2011, 02:42:48 PM by Highway Yacht » Logged

1979 MC-9  8V71-Turbo / HT740             * www.MciBusTalk.com *
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