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Foretravel Motorhome Forums => Foretravel Tech Talk => Topic started by: Dean & Dee on January 18, 2014, 11:12:22 am

Title: Solenoid part number
Post by: Dean & Dee on January 18, 2014, 11:12:22 am
                     I am going to order and replace the desiccant filter/bowl Wilkerson X06-02-000 because like others I found cracks & leaks in the bowl and it's also extremely corroded.
Found a great price on this website. Desiccant Air Dryers by WILKERSON - Desiccant Dryers by Zoro Tools Industrial (http://www.zorotools.com/g/Desiccant%20Air%20Dryers/00059934/?whence=)

            Doe's anyone have the part # and or source for the condensation bowl solenoid valve?
 I found it's leaking too. I may also replace the condensation bowl too although it appears to still be okay.

        Thanks, Dean
Title: Re: Solenoid part number
Post by: Michelle on January 18, 2014, 11:17:33 am
                                Doe's anyone have the part # and or source for the condensation bowl solenoid valve?
 I found it's leaking too. I may also replace the condensation bowl too although it appears to still be okay.

IIRC the solenoid at the bottom of the condensation bowl is an HWH part.  FOT, MOT, or HWH for that one. 

Here's how Steve rebuilt the old one for us to carry as a spare:  HWH Solenoid Valve Rebuild (http://www.irvblog.com/foretravel%20projects/HWH-Solenoid-Valve-Rebuild)

Title: Re: Solenoid part number
Post by: Dean & Dee on January 18, 2014, 11:33:05 am
             Thanks Michelle. I just found Steve's and George H's solenoid rebuild on B Beams site. I think I will give that a try before dropping the dollars for a new one. BTW the solenoid part # is RAP6354.

  Dean
Title: Re: Solenoid part number
Post by: ems3135 on January 18, 2014, 01:02:38 pm
What is the best way to take off the hose/fitting to the right of the desiccant housing?

(Steve) Are you still using the check valve you added below the first filter? And if so , do you have the part number and where did you get it?

Wonder why they didn't use a regular compression fitting or a push-pull fitting for that one hose between desiccant housing and the last filter?
Title: Re: Solenoid part number
Post by: Dean & Dee on January 18, 2014, 02:21:12 pm
What is the best way to take off the hose/fitting to the right of the desiccant housing?
(Steve) Are you still using the check valve you added below the first filter? And if so , do you have the part number and where did you get it?
Wonder why they didn't use a regular compression fitting or a push-pull fitting for that one hose between desiccant housing and the last filter?

                  I cannot answer your question about the fitting removal as I haven't pulled the canister yet but what I would like to know is if the desiccant filter is really needed and if it really helps that much.

                          I know others have asked the same question out of frustration with the upkeep and maintenance of it.  Just not brave enough to be the first...... 
                            Is the desiccant air dryer in line with the 12 v air compressor really needed? (http://www.foreforums.com/index.php?topic=17157.msg134828#msg134828)

          Dean

   
Title: Re: Solenoid part number
Post by: steve on January 19, 2014, 09:49:22 am
What is the best way to take off the hose/fitting to the right of the desiccant housing?

(Steve) Are you still using the check valve you added below the first filter? And if so , do you have the part number and where did you get it?

Wonder why they didn't use a regular compression fitting or a push-pull fitting for that one hose between desiccant housing and the last filter?
If you mean that hose between the desiccant and the final filter, is just on a barb as I recall, may have to cut through part of the hose and then wiggle / twist it off, don't cut all the way down to the barb or you could cause a leak point.

I don't have the extra valve any longer, when I did the replacement I found that the valve was getting stuck open so it was no longer serving its purpose.  Have not come up with another arrangement just yet.

Quote
what I would like to know is if the desiccant filter is really needed and if it really helps that much.
That all depends on how your lines are run, if the pump can bypass the wet tank, directly or via switched solenoids, then its "good" to have.  How long could you run without it and not notice, the answer is until you have a failure :D
Title: Re: Solenoid part number
Post by: wds3135 on January 19, 2014, 12:48:22 pm
On not having desiccant in the system, Wonder what the water vapor/ moisture would do to the check valves & solenoids (corroded & rust?) and in the slide seal bladders. Would water pool in them & the air line, if so what happens in freezing temps. Could water freeze to the point the seals and solenoids would not deflate. Also would not want to use auxiliary compressor to air the coach system, get water in brake line and in 6 packs and the air bag same as slide seals.
Also Mr. Jim McNeece mentioned about going to a larger desiccant canister . I wonder with the 10 micro and 5 micro filters along with the desiccant how much restriction to the air flow ie, head pressure on the compressor . I am just dumb enough to ask questions not smart enough to answer any. 
Title: Re: Solenoid part number
Post by: Dean & Dee on January 19, 2014, 01:47:16 pm
That all depends on how your lines are run, if the pump can bypass the wet tank, directly or via switched solenoids, then its "good" to have.  How long could you run without it and not notice, the answer is until you have a failure :D

                          Yeah, I know it's there for a reason. Just complaining because I seem to spend a good deal of time with my head stuck in that bay. 
        Brand new one should be here later this week so hopefully the desiccant canister should be good for another 10 years or so.

          Going to try cleaning up the solenoid valve at the condensation bowl. Can't believe how expensive that little thing is. ???
Title: Re: Solenoid part number
Post by: J. D. Stevens on January 19, 2014, 03:44:49 pm
We have a much older 12VDC pump for the HWH leveling system. It supplies air to the air springs to keep the coach level while parked. It seldom runs because I level while the engine is running, and the leveling system holds air well. There are no slides, so there is no bladder to fill. The compressor fills the air bags only, and will not supply pressure to the air brake system. The compressor has a condensate bowl with the purging solenoid, but no desiccant. It appears to have been designed to operate without desiccant.

In the four years we have owned the coach, I have had to clean the solenoid assembly twice. When it gets too fouled with minerals from condensate, it keeps the solenoid from fulling closing and the pump won't build pressure. I clean with RO water and put it back together. I consider it a maintenance issue. Cleaning is easy. Getting the pump out of the cubby and back into the cubby is a pain
Title: Re: Solenoid part number
Post by: Jim McNeece on January 19, 2014, 08:31:17 pm
I chose to go another direction and replace the desiccant cartridge in total.  My opinion is that the installed cart is too small, especially if you live in a humid part of the country.

I selected an ATD-7761, 1-quart desiccant cartridge.  Got it from Amazon for $175.  Here is a photo of my installation.