Protection valves

[Curt Sprenger]

If I recall correctly...our coach has four of the valves...tag axle, drive axle, front axle, bulk oil fill.

Curt Sprenger
1987 PT38 8V92 "MacAttack Racing"
Anaheim Hills, CA
Read all about Southwest Bluebirds and Friends (SWBB) at http://www.SOUTHWEST-BLUEBIRDS.ORG ...Then Join us.

"Host of the Annual Bluebird Quartzsite Rally"

On Tue, Mar 3, 2009 at 7:09 AM, Bob Lawrence <"bobandarlene@earthlink.net"> wrote:

How many total do I have to buy?

I can't crawl under the bus to look so would like to know how many to

buy.

Bob Lawrence

84 PT36 (Wondering)

Los Fresnos, Texas

>

> I just installed a KN31000 which I think protected pressure in the

> system if there was an air leak at the bulk oil. Typical that

everone

> only seems to have a airleak at the airleak protection valve. This

is a

> common fail part and I think the problem is location not product

it is

> too close to the manifold heat.

>

> I dont think anyone will have the correct answer because they have

been

> replaced with whatever over the years the BB parts list may have an

> answer in the files

>

<http://f1.grp.yahoofs.com/v1/YMesSdelrj0...yKxnrpi4MI

LN\

> guUdB-y8rJvHKaPMc9dnsN0VfiLYJWulnys339Way0kqaIGitbDMY/1991_%

20to_1994_pt\

> _diagrams/DUAL%20AIR%20BRAKE%20ASSY%20-%20PARTS%20LIST.pdf>

section BB

> list the number 15759C which I guess is OEM N15759DC parts list also

> says 65psi and 3100 opens? at 65

>

> Kn31003

> <http://www.haldex.com/en/North-America/Applications-

Products/Product-ca\

> tegories/Brake--Suspension-Systems/Valves/Pressure-Protection-

Valves/Hal\

> dexMidland-NewRemanufactured/Pressure-Protection-Valve/KN31003?

prodsearc\

> h=KN31003> crosses to OEM N15759DK

>

> KN31000

> <http://www.haldex.com/en/North-America/Applications-

Products/Product-ca\

> tegories/Brake--Suspension-Systems/Valves/Pressure-Protection-

Valves/Hal\

> dexMidland-NewRemanufactured/Pressure-Protection-Valve/KN31000?

prodsearc\

> h=KN31000> crosses to OEM N15759DC

>

> Greg ofTim&Greg

>

>

>

>

>

>

>

>

>

>

>

>

> --- In "WanderlodgeForum%40yahoogroups.com", Curt Sprenger

> wrote:

> >

> > KN31000. Check with Ryder for difference.

> >

> > Curt Sprenger

> > 1987 PT38 8V92 "MacAttack Racing"

> > Anaheim Hills, CA

> > *Read all about Southwest Bluebirds and Friends (SWBB) at

> > http://www.SOUTHWEST-BLUEBIRDS.ORG ...Then Join us.

> > "Host of the Annual Bluebird Quartzsite Rally" *

> >

> >

> >

> > On Mon, Mar 2, 2009 at 7:16 PM, Bob Lawrence bobandarlene@...:

> >

> > > Hi group,

> > > I want to replace the protection valves.

> > > I see Ryder has two types, two different numbers.

> > > A KN 31000 and a KN 31003.

> > > I can't see any difference between them.

> > > What ones have you put on?

> > >

> > > Bob Lawrence

> > > 84 PT36

> > > Los Fresnos, Texas

> > >

> > >

> > >

> >

>