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+--- Thread: Bendix Brakes won't air up (/showthread.php?tid=2923)
Bendix Brakes won't air up - Scott - 07-09-2006 06:05
Ralph, I don't think he has the AD-2 he has a BMC and I "think" it is
the bendix pure air???? Will it work the same way?? Good to know info
though...Prolly should rebuild mine..you did it last time.
Best of Luck Al
ScottB
86FC35
SC
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> Hello Al:
>
> Not sure which air drier you have on your Coach. Try this before
taking the
> plate off. There should be a 1/4 inch air line going to the pop off
valve
> with a connection on the out side of the drier. If you have this
air line,
> remove the connector and allow the back pressure to bleed off,
start the
> Coach and see if your air starts to build up, if it does, re
connect the
> 1/4 inch air line and go down the road. Also if this gets you out
of a
> bind, the air drier needs to be serviced with a new cartridge and
pop off
> valve re build. The back pressure on this air line serves to tell
the air
> governor that your tanks are full and up to pressure.
>
> How about that photo? it would help. Of course, all the safety
precautions
> to be taken under the Coach.
>
> Ralph
>
> At 02:49 PM 7/9/2006 +0000, you wrote:
> >We just had the brakes serviced by McDonald Coachworks and
everything
> >seemed ok. Now are are in our 2nd week of vacation and we shut
down
> >like normal and jacked the bird up. Been here for 3 days and now
we
> >are ready to head to Charlotte, NC and the brakes will not air
up. I
> >hear a hissing sound at the Bendix valve. Looking thru my manual
now
> >as to what to do to get the valve to close so we can air up our
brake
> >system. I have searched the site and dont see anything that would
> >lead me as to what to do next. I have tried turning off the engine
> >and letting sit and restart with no result so far.
> >
> >Thanks for anyone that responds.
> >Al, Kathy Alfred, Daniel Johnson
> >Bear Den Campground Spruce Pine, NC
> >'96 BMC
> >
> >
> >
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> Ralph's RV Solutions, Duncan, Oklahoma
> http://home.swbell.net/rlf47/index.htm
>
Bendix Brakes won't air up - Al - 07-09-2006 06:05
Ralph,
Thanks for the reply. I just uploaded the picture to Air Dryer
folder. I will look for the line you suggest.
Al Johnson
'96 BMC
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> Hello Al:
>
> Not sure which air drier you have on your Coach. Try this before
taking the
> plate off. There should be a 1/4 inch air line going to the pop
off valve
> with a connection on the out side of the drier. If you have this
air line,
> remove the connector and allow the back pressure to bleed off,
start the
> Coach and see if your air starts to build up, if it does, re
connect the
> 1/4 inch air line and go down the road. Also if this gets you out
of a
> bind, the air drier needs to be serviced with a new cartridge and
pop off
> valve re build. The back pressure on this air line serves to tell
the air
> governor that your tanks are full and up to pressure.
>
> How about that photo? it would help. Of course, all the safety
precautions
> to be taken under the Coach.
>
> Ralph
>
> At 02:49 PM 7/9/2006 +0000, you wrote:
> >We just had the brakes serviced by McDonald Coachworks and
everything
> >seemed ok. Now are are in our 2nd week of vacation and we shut
down
> >like normal and jacked the bird up. Been here for 3 days and now
we
> >are ready to head to Charlotte, NC and the brakes will not air
up. I
> >hear a hissing sound at the Bendix valve. Looking thru my manual
now
> >as to what to do to get the valve to close so we can air up our
brake
> >system. I have searched the site and dont see anything that would
> >lead me as to what to do next. I have tried turning off the
engine
> >and letting sit and restart with no result so far.
> >
> >Thanks for anyone that responds.
> >Al, Kathy Alfred, Daniel Johnson
> >Bear Den Campground Spruce Pine, NC
> >'96 BMC
> >
> >
> >
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> Ralph's RV Solutions, Duncan, Oklahoma
> http://home.swbell.net/rlf47/index.htm
>
Bendix Brakes won't air up - Al - 07-09-2006 07:25
Ralph,
That got us going again. We just had coachworks rebuild the unit
and replace the canister. Do you think it has to be done again or
just a glitch. To everyone else, thanks so much for your immediate
help.
Al, Kathy, Alfred, Daniel
'96 BMC
Carowinds
Heading to Charlottte, NC
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> Hello Al:
>
> Not sure which air drier you have on your Coach. Try this before
taking the
> plate off. There should be a 1/4 inch air line going to the pop
off valve
> with a connection on the out side of the drier. If you have this
air line,
> remove the connector and allow the back pressure to bleed off,
start the
> Coach and see if your air starts to build up, if it does, re
connect the
> 1/4 inch air line and go down the road. Also if this gets you out
of a
> bind, the air drier needs to be serviced with a new cartridge and
pop off
> valve re build. The back pressure on this air line serves to tell
the air
> governor that your tanks are full and up to pressure.
>
> How about that photo? it would help. Of course, all the safety
precautions
> to be taken under the Coach.
>
> Ralph
>
> At 02:49 PM 7/9/2006 +0000, you wrote:
> >We just had the brakes serviced by McDonald Coachworks and
everything
> >seemed ok. Now are are in our 2nd week of vacation and we shut
down
> >like normal and jacked the bird up. Been here for 3 days and now
we
> >are ready to head to Charlotte, NC and the brakes will not air
up. I
> >hear a hissing sound at the Bendix valve. Looking thru my manual
now
> >as to what to do to get the valve to close so we can air up our
brake
> >system. I have searched the site and dont see anything that would
> >lead me as to what to do next. I have tried turning off the
engine
> >and letting sit and restart with no result so far.
> >
> >Thanks for anyone that responds.
> >Al, Kathy Alfred, Daniel Johnson
> >Bear Den Campground Spruce Pine, NC
> >'96 BMC
> >
> >
> >
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> Ralph's RV Solutions, Duncan, Oklahoma
> http://home.swbell.net/rlf47/index.htm
>
Bendix Brakes won't air up - Ralph L. Fullenwider - 07-09-2006 08:43
Great Al:
Not a glitch, it will happen again. Bet on it. They replaced the filter,
good, but did not rebuild the pop off valve and that is what your problem
is. The re build kit is around $15.00 and can be had at or through
O'Riely's or Napa. You can do the rebuild when you get to home base.
Have a good trip.
Ralph
At 07:25 PM 7/9/2006 +0000, you wrote:
>Ralph,
> That got us going again. We just had coachworks rebuild the unit
>and replace the canister. Do you think it has to be done again or
>just a glitch. To everyone else, thanks so much for your immediate
>help.
>
>Al, Kathy, Alfred, Daniel
>'96 BMC
>Carowinds
>Heading to Charlottte, NC
>--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> >
> > Hello Al:
> >
> > Not sure which air drier you have on your Coach. Try this before
>taking the
> > plate off. There should be a 1/4 inch air line going to the pop
>off valve
> > with a connection on the out side of the drier. If you have this
>air line,
> > remove the connector and allow the back pressure to bleed off,
>start the
> > Coach and see if your air starts to build up, if it does, re
>connect the
> > 1/4 inch air line and go down the road. Also if this gets you out
>of a
> > bind, the air drier needs to be serviced with a new cartridge and
>pop off
> > valve re build. The back pressure on this air line serves to tell
>the air
> > governor that your tanks are full and up to pressure.
> >
> > How about that photo? it would help. Of course, all the safety
>precautions
> > to be taken under the Coach.
> >
> > Ralph
> >
> > At 02:49 PM 7/9/2006 +0000, you wrote:
> > >We just had the brakes serviced by McDonald Coachworks and
>everything
> > >seemed ok. Now are are in our 2nd week of vacation and we shut
>down
> > >like normal and jacked the bird up. Been here for 3 days and now
>we
> > >are ready to head to Charlotte, NC and the brakes will not air
>up. I
> > >hear a hissing sound at the Bendix valve. Looking thru my manual
>now
> > >as to what to do to get the valve to close so we can air up our
>brake
> > >system. I have searched the site and dont see anything that would
> > >lead me as to what to do next. I have tried turning off the
>engine
> > >and letting sit and restart with no result so far.
> > >
> > >Thanks for anyone that responds.
> > >Al, Kathy Alfred, Daniel Johnson
> > >Bear Den Campground Spruce Pine, NC
> > >'96 BMC
> > >
>
Safe travels,
Ralph and Charolette Fullenwider
Ralph's RV Solutions, Duncan, Oklahoma
http://home.swbell.net/rlf47/index.htm
Bendix Brakes won't air up - krminyl@... - 07-09-2006 09:37
I had a similar situation...after some searching, and obtaining professional
help, we found and replaced the air governor (about a $50 part, and a
thousand in labor...also rebuilt the air dryer). No problems since. Before it
was
fixed, the air would air up to 30 lbs, and just stay there...hissing sound
somewhere near the top of the engine.
Best of luck.
Kevin McKeown
Yorba Linda, CA
1986 38' PT
[Non-text portions of this message have been removed]
Bendix Brakes won't air up - Al - 07-09-2006 10:24
Ok we got about an hour or so heading towards Charlotte and it
started blowing air from the bottom of the dryer again. We tried
repeating the process you gave to us before and got a different
result this time.
Last time, we had not air comping out of the two holes that we
disconnected the line on. This time we get hot air from the dryer
and then it switches to the bottom again. I guess the air is hot
because of the driving. Anyway, no it will not pump up the system.
Should I let it cool off and retry?
I also leveled the bird like it was before so we had no air in the
system and this did not help.
Now we are Gastonia, NC which is closer to Charlotte where we have a
couple of members recommending a service center.
Al, Kathy, Alfred, Daniel
'96 BMC
Gastonia, NC next to I85
--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> Hello Al:
>
> Not sure which air drier you have on your Coach. Try this before
taking the
> plate off. There should be a 1/4 inch air line going to the pop
off valve
> with a connection on the out side of the drier. If you have this
air line,
> remove the connector and allow the back pressure to bleed off,
start the
> Coach and see if your air starts to build up, if it does, re
connect the
> 1/4 inch air line and go down the road. Also if this gets you out
of a
> bind, the air drier needs to be serviced with a new cartridge and
pop off
> valve re build. The back pressure on this air line serves to tell
the air
> governor that your tanks are full and up to pressure.
>
> How about that photo? it would help. Of course, all the safety
precautions
> to be taken under the Coach.
>
> Ralph
>
> At 02:49 PM 7/9/2006 +0000, you wrote:
> >We just had the brakes serviced by McDonald Coachworks and
everything
> >seemed ok. Now are are in our 2nd week of vacation and we shut
down
> >like normal and jacked the bird up. Been here for 3 days and now
we
> >are ready to head to Charlotte, NC and the brakes will not air
up. I
> >hear a hissing sound at the Bendix valve. Looking thru my manual
now
> >as to what to do to get the valve to close so we can air up our
brake
> >system. I have searched the site and dont see anything that would
> >lead me as to what to do next. I have tried turning off the
engine
> >and letting sit and restart with no result so far.
> >
> >Thanks for anyone that responds.
> >Al, Kathy Alfred, Daniel Johnson
> >Bear Den Campground Spruce Pine, NC
> >'96 BMC
> >
> >
> >
>
> Safe travels,
>
> Ralph and Charolette Fullenwider
> Ralph's RV Solutions, Duncan, Oklahoma
> http://home.swbell.net/rlf47/index.htm
>
Bendix Brakes won't air up - Ralph L. Fullenwider - 07-09-2006 11:04
Al:
Was hoping that would get you in to Charolette. Am not sure how to access
the pop off valve on your unit. On the AD-2, before removing the plate for
access to the filter cartridge, you can take a large open end wrench or
pipe wrench and break loose the threads on the hexagonal end of the cap,
with that done you remove the three 7/16 inch blots that serve to keep the
plate in place, force the plate up and with a flat blade screw driver,
remove the round retaining ring then slide the plate out of the canister.
With that done, you can screw off the end of the pop off valve, then hold
the upper part of the screw shaft holding the pop off valve and un screw
the nut off the shaft. This lets you remove the pop off valve shaft. Clean
the inner housing with a clean rag, lube it liberally with grease, ( not
sure what you carry on board ) then lube the o-rings and plunger and re
install.
Again it would help to have an actual photo of your unit.
Sorry, Al, we tried, but if nothing else you know where the problem is.
Have a suggestion though. When you get to Charlotte, it might well be in
your best interest to replace the air governor ($17.00 or so part) as well.
Let us know how you fair with it. My home phone is 580-252-7694, if you
need to talk about it.
Ralph
At 10:24 PM 7/9/2006 +0000, you wrote:
> Ok we got about an hour or so heading towards Charlotte and it
>started blowing air from the bottom of the dryer again. We tried
>repeating the process you gave to us before and got a different
>result this time.
>
>Last time, we had not air comping out of the two holes that we
>disconnected the line on. This time we get hot air from the dryer
>and then it switches to the bottom again. I guess the air is hot
>because of the driving. Anyway, no it will not pump up the system.
>Should I let it cool off and retry?
>
>I also leveled the bird like it was before so we had no air in the
>system and this did not help.
>
>Now we are Gastonia, NC which is closer to Charlotte where we have a
>couple of members recommending a service center.
>
>Al, Kathy, Alfred, Daniel
>'96 BMC
>Gastonia, NC next to I85
>
>
>--- In WanderlodgeForum@yahoogroups.com, "Ralph L. Fullenwider"
>
> >
> > Hello Al:
> >
> > Not sure which air drier you have on your Coach. Try this before
>taking the
> > plate off. There should be a 1/4 inch air line going to the pop
>off valve
> > with a connection on the out side of the drier. If you have this
>air line,
> > remove the connector and allow the back pressure to bleed off,
>start the
> > Coach and see if your air starts to build up, if it does, re
>connect the
> > 1/4 inch air line and go down the road. Also if this gets you out
>of a
> > bind, the air drier needs to be serviced with a new cartridge and
>pop off
> > valve re build. The back pressure on this air line serves to tell
>the air
> > governor that your tanks are full and up to pressure.
> >
> > How about that photo? it would help. Of course, all the safety
>precautions
> > to be taken under the Coach.
> >
> > Ralph
> >
> > At 02:49 PM 7/9/2006 +0000, you wrote:
> > >We just had the brakes serviced by McDonald Coachworks and
>everything
> > >seemed ok. Now are are in our 2nd week of vacation and we shut
>down
> > >like normal and jacked the bird up. Been here for 3 days and now
>we
> > >are ready to head to Charlotte, NC and the brakes will not air
>up. I
> > >hear a hissing sound at the Bendix valve. Looking thru my manual
>now
> > >as to what to do to get the valve to close so we can air up our
>brake
> > >system. I have searched the site and dont see anything that would
> > >lead me as to what to do next. I have tried turning off the
>engine
> > >and letting sit and restart with no result so far.
> > >
> > >Thanks for anyone that responds.
> > >Al, Kathy Alfred, Daniel Johnson
> > >Bear Den Campground Spruce Pine, NC
> > >'96 BMC
> > >
> > >
> > >
> >
> > Safe travels,
> >
> > Ralph and Charolette Fullenwider
> > Ralph's RV Solutions, Duncan, Oklahoma
> > http://home.swbell.net/rlf47/index.htm
> >
>
>
>
>
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
Safe travels,
Ralph and Charolette Fullenwider
Ralph's RV Solutions, Duncan, Oklahoma
http://home.swbell.net/rlf47/index.htm
Bendix Brakes won't air up - Al - 07-12-2006 03:54
To everyone that responded, thanks!
Ok to bring everyone up to speed, we were able to get off the
mountain in Spruce Pine by taking the 1/4 air hose off and the
system started building presssure. We got to Gastonia, NC and the
dryer started purging air again. Thank God it did not act up in the
mountains on our way off Spruce Pine.
So we tried to repeat the process and that did not fix it. So we
went down to Napa and purchased an air governer and installed it.
That did not fix it. We had two friendly truckers stop for breakfast
and Kathy pounced on them to ask questions. She is good at that.
LOL Anyway before I knew it one of the truckers pulled out a
fitting to join the two hoses ( in & out ) and eliminate the dryer
till I get home. I spoke to Bob Loomas the night before and he
suggusted we do that as well. So we joined the two hoses together
and did not need the trucker's fitting since we had all the fittings
we needed on the dryer. It was a close fit with no room to spare.
Anyway so I spent the next two days calling every Haldex Dist. in
Charlotte and no one has the purge assembly. But I did locate one
in Atlanta which is on our way home. Also the unit has a purge
valve which is part of the major repair kit.
Just want to make sure the everyone is in agreement that the purge
assemble which is different from the purge valve is what I need to
make the repair. I am leaning towards waiting till I get home on
Friday to start the repair so I don't dampen anymore of the trip.
Again thanks goes out to everyone that responded to my help call.
Hopefully someday I can return the favor.
Al, Kathy, Alfred & Daniel Johnson
'96 BMCCharlotte, NC ==> Atlanta, Ga.
--- In WanderlodgeForum@yahoogroups.com, krminyl@... wrote:
>
> I had a similar situation...after some searching, and obtaining
professional
> help, we found and replaced the air governor (about a $50 part,
and a
> thousand in labor...also rebuilt the air dryer). No problems
since. Before it was
> fixed, the air would air up to 30 lbs, and just stay
there...hissing sound
> somewhere near the top of the engine.
>
> Best of luck.
>
> Kevin McKeown
> Yorba Linda, CA
> 1986 38' PT
>
>
> [Non-text portions of this message have been removed]
>
Bendix Brakes won't air up - Howard O. Truitt - 07-12-2006 06:33
Al.
Glad to hear you are moving along. Now you know you have a good air governor.
Howard truitt
----- Original Message -----
From: Al
To: WanderlodgeForum@yahoogroups.com
Sent: Wednesday, July 12, 2006 11:54 AM
Subject: [WanderlodgeForum] Re: Bendix Brakes won't air up
To everyone that responded, thanks!
Ok to bring everyone up to speed, we were able to get off the
mountain in Spruce Pine by taking the 1/4 air hose off and the
system started building presssure. We got to Gastonia, NC and the
dryer started purging air again. Thank God it did not act up in the
mountains on our way off Spruce Pine.
So we tried to repeat the process and that did not fix it. So we
went down to Napa and purchased an air governer and installed it.
That did not fix it. We had two friendly truckers stop for breakfast
and Kathy pounced on them to ask questions. She is good at that.
LOL Anyway before I knew it one of the truckers pulled out a
fitting to join the two hoses ( in & out ) and eliminate the dryer
till I get home. I spoke to Bob Loomas the night before and he
suggusted we do that as well. So we joined the two hoses together
and did not need the trucker's fitting since we had all the fittings
we needed on the dryer. It was a close fit with no room to spare.
Anyway so I spent the next two days calling every Haldex Dist. in
Charlotte and no one has the purge assembly. But I did locate one
in Atlanta which is on our way home. Also the unit has a purge
valve which is part of the major repair kit.
Just want to make sure the everyone is in agreement that the purge
assemble which is different from the purge valve is what I need to
make the repair. I am leaning towards waiting till I get home on
Friday to start the repair so I don't dampen anymore of the trip.
Again thanks goes out to everyone that responded to my help call.
Hopefully someday I can return the favor.
Al, Kathy, Alfred & Daniel Johnson
'96 BMCCharlotte, NC ==> Atlanta, Ga.
--- In WanderlodgeForum@yahoogroups.com, krminyl@... wrote:
>
> I had a similar situation...after some searching, and obtaining
professional
> help, we found and replaced the air governor (about a $50 part,
and a
> thousand in labor...also rebuilt the air dryer). No problems
since. Before it was
> fixed, the air would air up to 30 lbs, and just stay
there...hissing sound
> somewhere near the top of the engine.
>
> Best of luck.
>
> Kevin McKeown
> Yorba Linda, CA
> 1986 38' PT
>
>
> [Non-text portions of this message have been removed]
>
------------------------------------------------------------------------------
Internal Virus Database is out-of-date.
Checked by AVG Free Edition.
Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date: 7/4/2006
[Non-text portions of this message have been removed]
Bendix Brakes won't air up - Al - 07-12-2006 10:39
Hi Howard,
I replaced the new one with the old one since it was not the
problem. Plus I would have to adjust the pounds since it was set
for 130 and the old one was 110 lbs. I have a computer background
so I did not want to complicate the equation. Plus now I have a new
spare just in case. When I get home, I am going to change out the
purge assembly and see if that fixes my problems. I am going to
call coachworks as well and see exactly what they did. I thought
they rebuild the assembly for me and changed the filter. This is
our first major trip since the repairs so it should have lasted
longer than this.
Al, Kathy, Alfred & Daniel
Lake Hartwell State Park
Fair Play, SC
'96 BMC
--- In WanderlodgeForum@yahoogroups.com, "Howard O. Truitt"
>
> Al.
> Glad to hear you are moving along. Now you know you have a good
air governor.
> Howard truitt
>
>
> ----- Original Message -----
> From: Al
> To: WanderlodgeForum@yahoogroups.com
> Sent: Wednesday, July 12, 2006 11:54 AM
> Subject: [WanderlodgeForum] Re: Bendix Brakes won't air up
>
>
> To everyone that responded, thanks!
>
> Ok to bring everyone up to speed, we were able to get off the
> mountain in Spruce Pine by taking the 1/4 air hose off and the
> system started building presssure. We got to Gastonia, NC and
the
> dryer started purging air again. Thank God it did not act up in
the
> mountains on our way off Spruce Pine.
>
> So we tried to repeat the process and that did not fix it. So we
> went down to Napa and purchased an air governer and installed
it.
> That did not fix it. We had two friendly truckers stop for
breakfast
> and Kathy pounced on them to ask questions. She is good at that.
> LOL Anyway before I knew it one of the truckers pulled out a
> fitting to join the two hoses ( in & out ) and eliminate the
dryer
> till I get home. I spoke to Bob Loomas the night before and he
> suggusted we do that as well. So we joined the two hoses
together
> and did not need the trucker's fitting since we had all the
fittings
> we needed on the dryer. It was a close fit with no room to
spare.
>
> Anyway so I spent the next two days calling every Haldex Dist.
in
> Charlotte and no one has the purge assembly. But I did locate
one
> in Atlanta which is on our way home. Also the unit has a purge
> valve which is part of the major repair kit.
>
> Just want to make sure the everyone is in agreement that the
purge
> assemble which is different from the purge valve is what I need
to
> make the repair. I am leaning towards waiting till I get home on
> Friday to start the repair so I don't dampen anymore of the trip.
>
> Again thanks goes out to everyone that responded to my help
call.
> Hopefully someday I can return the favor.
>
> Al, Kathy, Alfred & Daniel Johnson
> '96 BMCCharlotte, NC ==> Atlanta, Ga.
>
> --- In WanderlodgeForum@yahoogroups.com, krminyl@ wrote:
> >
> > I had a similar situation...after some searching, and
obtaining
> professional
> > help, we found and replaced the air governor (about a $50
part,
> and a
> > thousand in labor...also rebuilt the air dryer). No problems
> since. Before it was
> > fixed, the air would air up to 30 lbs, and just stay
> there...hissing sound
> > somewhere near the top of the engine.
> >
> > Best of luck.
> >
> > Kevin McKeown
> > Yorba Linda, CA
> > 1986 38' PT
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>
>
>
>
> -------------------------------------------------------------------
-----------
>
>
> Internal Virus Database is out-of-date.
> Checked by AVG Free Edition.
> Version: 7.1.394 / Virus Database: 268.9.9/382 - Release Date:
7/4/2006
>
>
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