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Prevost slide room locks
My salon slide has begun not firing the lock pins. I have to go in the bay and access the slide control panel and using the screws to get the pins to fire.
all seems normal with the slide except lock pins. They do unlock normally and all slide operating procedures are being followed.
it’s really starting to piss me off, any help appreciated.
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21 Replies
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Larry, if the slide pins do not fire after the slide is brought in how do you manually get them to fire?
The slide pin valves have a “screw” that when in the normal position (10:00 O-clock?) the valve sends air to the pins via the controller. When the screw is in the normal position air should automatically cause the pins to fire. The other position (2:00 O-clock?) the pins will not fire. What are you doing to manually cause them to fire?
I may have the position of the screw backwards but I am sure you know what I mean.
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Jon, I may be using the wrong term “manually “.
on my slide control panel in a bay, there are 2 guarded screws, one for salon and the other for bedroom.
there is a caution to insure the slide is fully closed and then the screw can be turned 1/4. This allows air to the pin and closes it.
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We show same model years, but without going out to check I may not have that feature. The one I referenced is on the slide air manifold and I can manually retract the pins, but have no way to engage them (I think).
After my chassis was built Prevost changed the slide control to multiplex and there may have also been the change to one pin.
My coach has a pendant so if I retract the pins and exhaust the slide seal pressure I can use the pendant to run the slide in or out. Prior generations of slide controls did not have the pendant.
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Larry,
I’ve been through this before……at all costs….make sure the slide is in the correct position before firing the pins. Mis-firing when not in position may result in significant damage.
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Marshall, thanks for the heads up. I sweat bullets every time I have to move my slide pins.
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Jon, I’m not familiar with the Pendant. I suspect my bus isn’t equipped.
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My XLII had exactly what you are describing. a series of air solonoids with little white plastic screws sticking out of them. I had FPL (front pin lock), RPL (rear pin lock), front seal inflate, rear seal inflate, da, da, da. You can turn them 90 degrees or so to activate any of those functions. You had to use the “slide jog controller” to manually move the slide in or out. The jog controller comes with all XLII’s.
I have not found anything remotely similar in my H3. Then again, the XLII were Prevost slides and the H3 is equipted with Valid slides. My Valid slides (from what I can tell) do not have side pins like the Prevost slides.
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Marathon mainly uses Prevost slides for all 2 slide coaches. Some 2 slide Valids were produced so you need to check your bus or build sheet.
Pin slides were done as of 2005 chassis and last generation slides started in the 06 chassis year.
I think A1’s pendant is for his leveling system Larry, you only have the level low which I prefer.
Larry, call Coburg.
Later
bv
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The pendant I have is like the hanging controls I had on a bridge crane in one of my factories. The one on the bus has buttons for front and rear slides, in or out.
It makes manual control of the slides easy, and beats putting a socket wrench on the end of the motor to move the slide. It obviously will not work if the motor is inop, but if the controller will not respond, manually retract the pins or even if they are retracted turn the white screw head as needed to disable them. Then release pressure on the slide seal, then use the pendant to open or close the slide.
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Bernie, have been talking with them. Jeff has a few ideas but Remove and replace seems to be the theme.
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Larry you have Prevost slides in yours I would pull into Prevost and get it checked.
They’ll know what it is without throwing parts at it to fix it.
Later
bv
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Bernie, do you know if Prevost opened a small shop in the Seattle area.
last I talked to Scott Park he indicated that was under consideration. -
I don’t know about SEA just Hayward, CA which is supposed to be very good. I’ll check with Kevin though.
Later
bv
Got a call back, I guess there was a SEA in the works Larry and Covid killed that.
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Well hell, that SEA site sure would have been good for me don’t want to go to the Bay Area. Maybe Jeff at Coburg can get a handle on it, start there anyway.
Thanks for checking Bernie
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Larry, there is a new Prevost backed service center in Coachella called Luxtor. Still a long way from you, but I thought I’d throw that out. Bernie might know more about them, I stopped in and looked over the place, they seem to be very knowledgeable.
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