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ISRI Driver's Seat
I've discovered that my ISRI seat needs to have the air lines replumbed.  Someone had kinked off the supply line because they were unable to solve an air leak problem in the seat and although the majority of the controls, up, down, forward, backward, back tilt are electric it would be nice to have the air controlled portion of the seat, lumbar and flank support functional.  I've attempted to contact ISRI to obtain repair parts or diagrams but was told due to the age of the seat they no longer support it.
Does anyone have a diagram of the ISRI seat air supply for seats around the 2007 vintage? 
Sandy and Bob's 2007 Newell #1202  "Boomer", Toad-"Machito"-1994 Toyota FZJ 70 Land Cruiser  "Our goal is your happiness"
I had the same problem with my seat 207 #816. Installed a NEW Knoedler Air Chief Seat W/ Cooled & heated 3 different lumbar supports and Vibrator.
Ralston, NE
2007 Newell
32' ATC With tiltable 6,000 LBS. lift Stacker Trailer
1974 Vette 454 4 speed convertible
2000 Vette convertible
2011 Camaro Indy Pace car convertible
2016 ZO6 Vette 650 HP 8 speed auto
2007 Boss Hoss 502 CI
2009 Goldwing Trike
2001 Harley CVO
2006 Harley CVO Screaming Eagle
Another approach is to replumb the system using air paddle switches, commonly used in air bagged hot rods. On the circuits for the lumbars, put a pressure regulator in line to keep from blowing the internal bladders. You will need full coach pressure on the air bag that floats the seat. A few of us have done this with the Recaro seats for the same reason, no parts for obsolete seats.
Richard and Rhonda Entrekin
99 Newell, 512
Subaru Outback Toad
Inverness, FL (when we're home Cool )
my 02 has an isri seat that was used in volvo rock trucks no parts avail at all. i traced some down to a company that did fixes for their trucks in north dakota but they were out.

2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

Thanks for all the replies. Perhaps a Google search for used truck parts suppliers is in order. My seat was just recovered with new leather a couple of years ago and I'd hate to chuck it for a new seat if I don't need to.
Sandy and Bob's 2007 Newell #1202  "Boomer", Toad-"Machito"-1994 Toyota FZJ 70 Land Cruiser  "Our goal is your happiness"
PM me and I'll send you the manual I have. For me it is the right family of seats but the wrong model. The easiest way is to put air back on it and see what is leaking. If it is a damaged hose you can probably repair it without a manual, just replace one line at a time until you are out of leaks. If you seat is like mine it takes a 4mm OD "plastic" hose that is not readily available. I found it at Monarch Automation, 513 874-6566, part # PUN-4X0, 75-SW. It was a little over $7 for 12ft. (way more than you'll need but had to make minimum). My coach has an air shutoff valve in the floor against the wall for the seat. It has proven to be handy when a line fails and you have big air leak while you're going down the road.
I sent emails out to North American ISRI seat distributors and Bob Seitz with Northern Engine and Supply sent back an email telling me that Kenny Wanke foreman at their Gillette, Wyoming location has had extensive experience with these seats.  Later this year if I've not solved the problem I plan on stopping in on the way to Spearfish, SD.  Thought I'd pass along the contact information in case anyone needs it.  • Kenny

(307) 686-3713  • Work

5700 Mohan Rd
Gillette, WY 82718-6931
Sandy and Bob's 2007 Newell #1202  "Boomer", Toad-"Machito"-1994 Toyota FZJ 70 Land Cruiser  "Our goal is your happiness"

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