Wanderlodge Gurus - The Member Funded Wanderlodge Forum - Pneumatic

110 volt air compressor

Thu, 27 Sep 2018 20:36:49 +0000

I may need to replace my 110 volt air compressor.

What brand and model is a good replacement for the original Gast air pump?

Continental Tires

Tue, 01 May 2018 21:21:02 +0000

Does anyone have any experience with the Continental Conti HA3 tires? They are an all position highway bus tire.

They are on the FMCA plan now and have real discounts versus the M brand. The Conti Coach HA3 in 315/80R22.5 is $544 WITH FET included. That’s about a solid $200 less than the major competitor on the FMCA plan. It’s also about $100 under the BFG ST230 that I had excellent experience with on my 91WB. Specs look identical, including a 7 year warranty with 100% coverage in year 1. Their plant is in Mt. Vernon, IL.

No need to register a credit card over the phone. Just find a participating Continental dealer and show your FMCA card to get that price.

Thanks for any input!

Michelin Tire Facts Update

Fri, 16 Feb 2018 02:39:41 +0000

David Brady posted this on the Prevost Gurus site and I thought it was worth repeating here. Thanks David.

Michelin Tire Facts From POG Tampa Show

Per a Michelin Representative Presentation:
-Michelin has extended the Warranty from 5 years to 7 years.
-The installation date determines the start of the Warranty.
-The 7 year Warranty is prorated based on tread depth.
-The useful life of a Michelin 315 or a 365 tire is 10 years.
-The DOT code on the sidewall determines the 10 year life cycle date.
————
Good info as I am taking my 5.5 year old tires to my Michelin dealer for inspection and warranty since they are exhibiting severe sidewall cracking. I have never had Michelin’s do this before. Yes, they are stored under cover, had covers when outside, and have been filled to about 125psi on fronts and 110-115 on rears (versus 130 max psi on tire sidewalls). Hadn’t really planned on replacing them so soon, so we shall see. Had BFG ST230’s on prior Bird that were over 10 years when I replaced them and they looked great compared to these Michelin’s.

FWIW,

Air Leak

Sat, 02 Dec 2017 13:17:06 +0000

Last trip we developed a leak. On engine shutdown my rear suspension will fully bleed down to zero in less than two hours while the front will stay inflated for days. I do not hear any leaks, where should I start looking? The needles reflecting the brake system will not budge for 2 months.

AIR HORNS

Wed, 12 Apr 2017 18:56:30 +0000

so tried to get the air horns working yesterday. failed big time. i pulled a speaker above the front door and found the solenoid valve. both wires have 12v going to it. i used my air nozzle and was able to blow the horn. after disconnecting the valve from both lines the pass floor board does not operate any more. are they tied to the same lines? i switched the rocker switch over to the air side and pressed the horn button on the steering wheel. nothing. when i use the floor switch the elec reg horn turns on and does not go off untill i disconnect the wire from the rocker switch? any ideas on this?

Inner dual tires run hotter

Sun, 19 Mar 2017 18:44:44 +0000

Folks,

Anyone who's tested their tire temps with an IR thermometer knows that the inner tires on our drive axles run hotter. Some have attributed this to the the inners being closer to the power train and other mechanical systems, another possible explanation is that the inner duals don't get the cooling air that the outers do. I always thought that it was do to the road crown causing unequal tire loading. While all the above is true, Michelin confirms what others have published: the primary cause of inner tires running hotter is drive axle flex. The chassis weight bears down on the axle at two points inboard of the tires. This causes the axle, which is really a beam, to flex concave up which causes the inner tires to bear an incrementally greater amount of the load as compared to the outer tires. The articles below explain the phenomena well enough:

http://www.truckinginfo.com/article/stor...tires.aspx
http://www.truckinginfo.com/article/stor...tires.aspx

HWH Slide Seal Air Control Manifold For Sale

Tue, 07 Mar 2017 05:46:10 +0000

I have a remanufactured (never used) HWH Slide Seal Air Control Manifold that I purchased for $500 from HWH for my 2000 LXi but never installed it. It is Plug and Play. It controls the inflation, deflation and vacuum functions of the slide seal during the slide's extend and retract. It should fit 1999 through 2003 LXi salon slide and probably the LX also. I no longer have a use for it. If someone has a use for it or just wants a spare, I will sell it for half price and ship it to you.

PH: 562 665 6852

HWH Slide Seal air control Manifold 2.jpg (Size: 1,007.37 KB / Downloads: 985)

HWH slide seal air control manifold.jpg (Size: 843.63 KB / Downloads: 969)

Tire Pressure Calculator

Wed, 15 Jun 2016 17:39:46 +0000

Folks,

Here's a nifty load-based tire pressure calculator that Prevost publishes:
https://www.prevostcar.com/parts-and-ser...calculator

Air leaking from PRV's...

Sat, 26 Sep 2015 06:07:08 +0000

Hi all -

Recently brought our 1991 SP36 home and have a few issues to iron out. Never had to deal with air systems before - is it normal on shutdown to have air leaking out of the pressure reducing valves (Bendix 281857)? Noticed it several times from two of these valves - one under the coach near the rear differential and one on the driver's side of the engine compartment. doesn't happen every time I shut down, which caused me to notice it.

Adjustable Ride Height

Sat, 15 Aug 2015 18:03:35 +0000

Coming to the Wanderlodge from the GMC, I wonder why our LX 40 does not have driver adjustable ride height. It appears that by adding an adjustable air spring control system such as the ACCUAIR electronic leveling system we could have three computer controlled ride heights in place of the existing one. We also would have the ability to quickly level when parking, by using the air system, instead of using the HWH jacks. Also by using both systems we could level the coach on parking areas where not possible using just the HWH jacks. Extra clearance for steep driveways would be available by the touch of a button.

It looks like the cost would be $2000 or less, if doing it yourself. Please tell me why this cannot be done or why it is a bad idea. Other ideas and suggestions welcomed.

Hal Kading
2003 LX 40
1978/1998 Buskirk Stretch GMC

Low air pressure switch on 82 PT40

Sat, 25 Jul 2015 23:20:59 +0000

Anyone know where the low air pressure switch on a PT40 is located? I see two air tanks above the differential, but no switch there.

I have good air pressure, but the warning light and buzzer remain on.

Any help appreciated.

Air Pressure Stabilization

Sat, 18 Jul 2015 21:32:26 +0000

A one way valve between the Gast aux compressor, and the air dump valves was leaking which kept my suspension from staying up for more than 12 hours. I replaced the valve, and noticed that the air powered Dupree black waste valve was leaking from around the shaft. After 24 hours both the gauge at the Gast, and the wet bay gauge read zero due to the black valve leak. My suspension is still fully inflated, and has not dropped according to my measurements.
Is my understanding correct that these are tied together? If so, why did my suspension drop before replacing the one way valve, and now it does not.

Yet another approach to flat tire prevention

Sun, 21 Jun 2015 17:57:38 +0000

There were some recent threads on tire inserts to help in the case of a blow out, especially on the front tires. I was looking at the Goodyear Wingfoot service center site for something else when I ran across this service - foam filled tires, to be "virtually flat proof". I wonder if that equates to blow out prevention? And would it help hold the front wheel off the pavement somewhat for a few seconds to get stopped if a blowout did occur? I wouldn't think much since it seems like it would have to be a fairly pliable foam, but then again I haven't called them to discuss it. I would think temperature variation and pressure loss would be minimal though. Seems more intriguing than nitrogen to me!

http://www.wingfootct.com/services/tirefill/

Does anyone know anything good or bad about this?

Thanks,

Wingfoot foam tire fill.gif (Size: 19.76 KB / Downloads: 1014)

Bendix ABS Chuff Test

Sun, 21 Jun 2015 15:23:07 +0000

Has anyone ever tried this on their Bendix ABS equipped Wanderlodges? (the video mistakenly calls it a huff test).

From the Bendix Manual:

"After the performance of the configuration test, the EC-60™ controller will perform a Bendix-patented PMV Chuff Test. The Chuff Test is an electrical and pneumatic PMV test that can assist maintenance personnel in verifying proper PMV wiring and installation. With brake pressure applied, a properly installed PMV will perform one sharp audible exhaust of air by activating the hold solenoid twice and the release solenoid once. If the PMV is wired incorrectly, it will produce two exhausts of air or none at all. The EC-60™ controller will perform a PMV chuff test on all installed modulators in the following order:

• Steer Axle Right PMV
• Steer Axle Left PMV
• Drive Axle Right PMV
• Drive Axle Left PMV
• Additional Axle Right PMV
• Additional Axle Left PMV

The pattern will then repeat itself. The ECU will not perform the PMV Chuff Test when wheel speed sensors how that the vehicle is in motion."

Ride Height/Air Bag Measurement

Thu, 04 Jun 2015 14:23:20 +0000

[attachment=1731][attachment=1732][attachment=1733]Might be my imagination, but height seems to have changed. Do the pics of the air bags look normal?

  IMG_5649.jpg (Size: 1.37 MB / Downloads: 1741)

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Air leak detector

Sat, 28 Mar 2015 22:49:15 +0000

Hi,
A friend has a Newell and had a mysterious leak that Newell techs spent hours on.
The owner bought this and lent it to them. 10 minuts.

Read the reviews here:

Inficon Whisper

When I get to sit long enough somewhere, I'll order it.

MCI Info on Tire Wear Patterns

Wed, 28 Jan 2015 02:13:23 +0000

Towards the end of this document are some examples of common tire wear problems and possible causes. Great stuff!

MCI Bus Axle Alignement Tire Wear Patterns.pdf (Size: 2.68 MB / Downloads: 1303)

So what's wrong with this picture? Or what's NOT wrong!

Mon, 15 Dec 2014 04:30:31 +0000

Ratxnfratzn#%*+#! On the return trip from east Texas the air pressure gauge started going to 140, 150, 150+. I pumped the brakes to get the pressure down and it behaved for a while and then climbed again. I stopped and let it fully cycle again and then proceeded home with no further problems. After crawling around under the bus this weekend, I spotted this in the attached pictures. I guess no further question as to the air pressure variation. Not sure I can believe we got home!

  FullSizeRender.jpg (Size: 1.68 MB / Downloads: 1155)
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  FullSizeRender (3).jpg (Size: 1.67 MB / Downloads: 1102)

Crap! Not even close to finished on the prior "to do" list. At least I now know that the emergency high pressure relief valve on the air dryer works.

TPMS

Tue, 25 Nov 2014 18:03:04 +0000

Hi,
After having TPMS for the year, I suggest that everyone should have them.
I have a TST system with flow thru valves and a range extender. It is excellent but I have no comparative. I have replaced a couple of batteries but no big deal. I don't know how old the batteries were when I purchased the units.
Because the unit is outside the wheel, I don't think the temperature readings are much more then ambient temps-- still interesting , showing the sun differential and I hope with high tire temps, a warning would be given.
Most surprising is the pressure increase with driving and temps. A 25 psi increase is usual.
I have my front set at minimal 105 so on a cold morning the alarm warms you of 105 PSI. After a mile, it goes away. (I could set it lower but that is minimal pressure required for my weight)
I have let a LITTLE air out via the valve stem and the alarm goes off warning of rapid air loss. Happy with that.

If you are are changing drive tires, suggest reversing outside wheel tire stem. On the front , I think that they stick out too far so I used 90 degree extenders and stainless wire to keep them "In line" with the wheel circumference.

Gast rebuild kit supplier

Thu, 06 Nov 2014 01:19:39 +0000

I found this info on another forum and thought it could be useful, since many of us have a Gast.

I got rebuild kit from Isaacs Fluid Power, ph. 888 336-8501
Price was $100.00