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Old 10-08-2019, 08:24 AM   #1
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Spartan Reyco-Granning IFS1200/1320/1370

An easier method to measure ride height is found on pg 27 of the service manual.
Measure distance between front shock mounting bolt centers, it should be 16.12".
Reference: https://www.spartanchassis.com/cps/l...3404218750.PDF
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Old 10-08-2019, 03:31 PM   #2
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Quote:
Originally Posted by Ray,IN View Post
An easier method to measure ride height is found on pg 27 of the service manual.
Measure distance between front shock mounting bolt centers, it should be 16.12".
Reference: https://www.spartanchassis.com/cps/l...3404218750.PDF
Thanks for this!
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Old 10-08-2019, 06:02 PM   #3
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I wish mine was that easy. There is only one ride height on the right front. It sets both the front bags. Then the front side to side is adjusted by going back and forth between the two rear to level the front side to side while maintaining the correct rear ride height. It can be a challenge!
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Old 10-08-2019, 07:36 PM   #4
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Originally Posted by mhudson View Post
I wish mine was that easy. There is only one ride height on the right front. It sets both the front bags. Then the front side to side is adjusted by going back and forth between the two rear to level the front side to side while maintaining the correct rear ride height. It can be a challenge!
Which suspension is this for?
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Old 10-08-2019, 07:55 PM   #5
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Which suspension is this for?
Its the Rayco Granning. 2005 Spartan MM chassis.
Its special! (Dry sarcasm) Have the brackets for the other front ride height valve but nothing mounted. I took it to Spartan for the class a couple of years ago and when the tech was doing the inspection he came and got me. Said someone had removed a valve! Got the senior tech involved and he was familiar with what American had done. Has to do with weight distribution of the coach. They held class for a couple of the techs and me to show how to set ride height. It takes a lot of patience which I seem to be lacking.
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Old 10-09-2019, 08:38 PM   #6
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Quote:
Originally Posted by mhudson View Post
Its the Rayco Granning. 2005 Spartan MM chassis.
Its special! (Dry sarcasm) Have the brackets for the other front ride height valve but nothing mounted. I took it to Spartan for the class a couple of years ago and when the tech was doing the inspection he came and got me. Said someone had removed a valve! Got the senior tech involved and he was familiar with what American had done. Has to do with weight distribution of the coach. They held class for a couple of the techs and me to show how to set ride height. It takes a lot of patience which I seem to be lacking.
All Reyco-Granning IFS models have an ID tag on them with model # and serial #. Crawl under, copy down those numbers. If yours was special built it will so state.
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Old 10-10-2019, 02:30 PM   #7
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Actually the REYCO - GRANNING IFS 1200 (and other weights) are commonly used on Spartans for a few years. My 2000 American Eagle has the IFS-1200

thx Dale
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Old 10-10-2019, 02:43 PM   #8
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On our 2002 Dutch Star with 12,000# Reyco Granning axle there were two ride height valves. When Newmar upgraded it to the 14,600# axle it alsy has the two front valves.
Present rig has a 20,000# axle and only has one front valve and two on the rear. Even now with the Active Air I prefer two front and one rear sensor.
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Old 10-10-2019, 06:51 PM   #9
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Originally Posted by Ray,IN View Post
All Reyco-Granning IFS models have an ID tag on them with model # and serial #. Crawl under, copy down those numbers. If yours was special built it will so state.
Ray it's a standard Reyco-Granning IFS. The ride height is standard also. Its just the way Spartan went about getting the front end level. The manual has the procedure for setting the ride height with 2 front adjustment valves. Won't work with this one. Spartan is the one who set up the air system. The front end still has all the brackets to hold the other valve, just nothing there. The air schematic from Spartan for the front air shows the second valve deleted. It drives and rides great, just a pain to get everything adjusted. I don't understand why they had to do it that way, something about the weight of this particular model American Tradition (40L). Just different than most out there. I know its running very close to the max on the front axle with us in it and full tanks.
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Old 10-17-2019, 07:51 PM   #10
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I don't wish to steal this thread or get too far off topic. Apologies if I am. Has anyone replaced front gags on the R-G 1200 series IRS? If so what bags were used. Mine will need replacement soon. Airlift, Firestone, Goodyear? If so, do you have a part number.
Spartan does not have any in stock and their supplier wants $600+ per bag. That seems nut to me.
Thanks for any help.

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Old 10-17-2019, 10:41 PM   #11
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I don't wish to steal this thread or get too far off topic. Apologies if I am. Has anyone replaced front gags on the R-G 1200 series IRS? If so what bags were used. Mine will need replacement soon. Airlift, Firestone, Goodyear? If so, do you have a part number.
Spartan does not have any in stock and their supplier wants $600+ per bag. That seems nut to me.
Thanks for any help.

Cheers
Use the Google search box at page top to search for your subject question. I remember reading at least one thread that contained alternate air spring pt#'s. Firestone air springs are no longer available for older systems-I think that was in that thread.
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Old 10-18-2019, 05:27 AM   #12
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Here is the info from Mackwrench
I replaced mine about three years ago and he did his slightly before me.
It is not a hard job if you are reasonably mechanically inclined.
The hardest part may be the removal and replacement of each front wheel
I think we both have 2000 Eagles

===================
Air Bag Replacment


Front:
2W01-358-8760
Firestone Reversible Sleeve Air Spring


Rear:
2W01-358-9966
Firestone Reversible Sleeve Air Spring

I bought mine from www.truckspring.com
===========================
They seem to be still available on that side

PM me if you have issues.
thx Dale
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Old 10-18-2019, 12:58 PM   #13
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Thank you Dale! Mackwrench usually has solid info so I trust it's accurate. I'll check to see if Spartan service (Charlotte) will install. Just had my annual inspection/service completed there yesterday. Maybe they could fit me in before I head west after Christmas

Thank you for your response Ray,IN

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Old 10-18-2019, 02:40 PM   #14
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Yes, still available....free shipping

www.truckspring.com

https://www.truckspring.com/Search.a...g+w01-358-8760
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