Harry
Forum Replies Created
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My experience with the three-axle alignment at Jacksonville was exactly as Jon outlined. First the tech checked the entire front end (had the tie rod ends sitting out before we even rolled the coach in the shop). Replaced the tie rods (ends?). The tech showed me on the computer screen where the coach “was” (drive axle WAY outside the acceptable spec range). Explained to me what he was going to do. Got it inside the “the range”. Then took it right to the exact middle, better than it would have left the factory. Then made the adjustment for the crown of the road.
Since watching the tech do the three axles alignment, I’ve wondered if I could have “checked the alignment” using string, jackstands, and ruler like we do with the race cars to get the rear axle alignment right. Get the string parallel to the frame rails and then measure the front and back of the tires to the string to see if the axle is straight. My coach should be right on. But maybe someone with a new coach that “wanders” like ours did or pulls to one side might be able to confirm there is actually an axle out of alignment.
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Congratulations, This is a most helpful site for a Prevost owner. And the members and Admin will sure help You spend some $$$ on Your coach. Thanks to all that share their knowledge and post to help fellow members.
Safe travels,
Rocky -
Hello, My name is Mark,
I’m a lifter. :o)
Where I store the coach in TN, we are sandwiched in pretty tight. I have to do a little ‘back and forth’ to angle the coach to get out of my spot, so I lift the tag. Our coach is where the red cone is positioned. I didn’t want to bump my head on the mirror arm.
Believe it or not, there is another coach that fits in between me and the coach on the passenger side. It’s there now after this pic was taken (a super C coach). I have room to walk around the coach and I can open the bay doors (but not all the way).
Mark
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I zeroed out my when I first purchased and it already had a recent 3-axle alignment.
Drives like a dream!
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Mine 91 has 170,000 but I think Jon is right! Gosh how I hate saying that!!! My looking further down the road may well do the trick! I do it that way in the car, may not have done it that way in the bus. I’ll pay more attention next time out.Harry
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Sounds like a good time. I am going to try and arrange to be off and come.
chris
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Tim,
This is the modulator I have changed twice in 3 years. When it fails on my coach, I have the input from the computer, but no output to any of the tv’s or dash monitor. Mine is in the rear walk in closet. It’s available online and think it was less than 200 bucks.
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The ph of the material that the red rose petals came in contact with caused them to change color.
Typically on sail boats and buses the norm is to double hose clamp all connections. When you introduce the optional rose petal dispenser, then you must triple hose clamp all connections for safety, and to keep that industry healthy.
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Hey H.J. We’re learning this together. I only have a one month head start on you!
During my shopping process, I spent some time with an Entertainer converter and during a test drive I was told they instruct their drivers to lift the tag on the X3 VIP’s every time they take a 90-degree turn.
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Harry…
Congrats on your coach…you’re gonna find it a labor of love once you get your feet on the ground. Enjoy the journey…
As as to your question about raising the tag & a campground with a sign instructing you to “raise your tag”…First off, I very, very seldomly raise ours. I will, on occasion, if the campground we’re in has very sharp, hard to maneuver turns, but generally, we try hard to avoid those places anyway. You, being 40′, should not have a problem just leaving the tag down and that also allows you to more fully concentrate on driving the bus and insuring adequate clearances all around without the potential additional distraction of dealing with raising and lowering the tag.
The sign at the campground you mentioned may have to do with the surface paving of the streets & sites within the campground itself. If the road surfaces are what we in TN call “chip and tar” (basicly pea gravel with an overlay of tar with perhaps another layer of pea gravel), and the weather is warm, they may feel that the stress between the drive wheels and tags causes their “paved” street surface to shear and essentially revert to gravel “chunks”, especially if sharp maneuvers are required to navigate into/out of your site. The warmer the weather, the more prevalent the problem becomes. It becomes a maintenance/overhead problem for the campground. The guys with double and triple axle 5th wheels are the ones that can really wrinkle some “pavement” though.
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Truk
I am receiving emails from many different states even today… do not know what is wrong.
Please try: overcup@comcast.net … that will work for the previous transmissions, etc.
Sorry you are having trouble.
Pres
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Rocky, like I mentioned to Dick, Harry’s leveling system controls are not like your Liberty controls.
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4X. I would start with Bill. He’ll either have the perfect tip for you, or he’ll point you in the right direction.
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Harry:
When parking, I usually “drop the coach”, “dump air”, or however you might describe it by switching from “ROAD” to “AUTO” while the engine is running. I hear a tremendous rushing of air and the coach slowly settles down close to the road. I don’t know what the coach “sits” on. Maybe when I drop it all the way its sitting on the bags which Prevost cautions against as was pointed out above.
Now that you have the coach all the way down, go out and look under the coach, look above and around the tires. You should notice that if you had been under the coach when it came down its likely you’d be dead, crushed to death. Had you been reaching around or on top of a tire, your arm would have been crushed.
DO NOT EVER REACH UNDER, CRAWL UNDER, OR GET UNDER YOUR COACH UNLESS IT IS PROPERLY SUPPORTED AT THE PREVOST INSTALLED JACKING POINTS.
If you had the waste tank dump hose connected, would it have survived? Or would it have survived. Keep in mind that when you’re parking on anything other than concrete, (1) the surface WILL NOT be level (the waste hose connection might be at a high spot of that surface) and (2) the coach will “settle” into the grass, gravel, dirt, and sometimes poorly laid blacktop with an end result of the waste hose elbow contacting the parking surface. Will only the elbow break off? Or will the force of the coach break the connection off between the tank and shutoff valve? If the latter happens, you will experience what is known as “spontaneous, uncontrolled waste tank discharge”.
I recommend that you “test” the tag lift fuction on your coach. You will need an assistant in the driver’s seat to do this. With the coach running, level low system in “Ride” setting, the coach at full ride height, have the assistant “lift the tag” while you are standing next to the rear axles. Watch and listen to what happens. You should hear air being released from the tag axles air bags, the tag lift chambers fill with air, the coach should start to drop, air will be introduced into the drive axles bags to bring the coach back to ride height, and possibly you’ll see the tag tires come off the ground. Eventually the coach will come back up to ride height. (The coach might need to be in gear, the parking brake might need to be released. Make sure your assistant understands how to do all of this AND hold his or her foot on the service brake pedal so the coach doesn’t move around.)
With a coach of your vintage, don’t be surprised if the tag tires don’t come off the ground. The pivot point for the arm that lifts the tag axles might be corroded up and frozen. While the tires won’t come off the ground, the weight of tne coach has been taken off the tag tires. One of my pivot points is frozen up. Prevost tech (and maybe Jeff Rowe) told me this is not uncommon when the coach is serviced by someone who doesn’t know that there is a Zerk fitting that needs to be greased at that pivot point.
Once you have seen this all happen, have your assistant switch “lift the tag” off. Watch and understand what is happening. You might need to go through this process a few times to fully understand what is going on.
Had I understood all the stuff that goes on when you “lift the tag” … I would not have dragged the driveshaft loop on our driveway, bending it back, with a coach load of people.
Finally, once you’re going to drive straight at more than 5mph, turn OFF the “lift the tag” feature.
I hope this helps you with your new coach.