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Author Topic: BUS SITTING FOR YEARS  (Read 3009 times)
platinum mci
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« on: October 03, 2008, 11:57:10 AM »

I'm about to try to start a MCI 1983 with a 6v92 turbo with a Allison auto that has not been started for years the previous owner was not able to keep the batteries charged so i have bought new batteries but before i should go try to start it any advice on what else i might do i have already checked the oil, and this bus is kept in a warm climate year round, any help thanks
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Bob Gil
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« Reply #1 on: October 03, 2008, 12:04:29 PM »

You might check and make sure the fuel filters are full and it might not hurt to cahnge them and put fresh fuel in the filters to make sure it has good fuel to start with.

Check the breather and make sure you don't have a rat's nest in it and the in take to the air compressor. 

Make sure the radaiotor has water in it and is clear so you will have air fllow.  No plants grown around where they don't need to be.

Little things like that might cause you problems if you don't catch them now.

Don't push to hard to start it right off it will not hurt to have it turn a little before it starts to get the oil moved around in it a little.  Carfull not to turn it too long at one time and burn the starter up if it does not start.

When I bought my 1965 C model Mack it had been setting for over 10 years.  I checked and filled the fuel filters and primed the motor and it started on about the 3rd turn over.

Bob
« Last Edit: October 03, 2008, 12:08:22 PM by Bob Gil » Logged

Fort Worth, Texas where GOD is so close you don't even need a phone!

1968 GM Bus of unknown model 6V53 engine (aftermarket) converted with house hold items.

Had small engine fire and had no 12 volt system at time of purchase. 
Coach is all 110 w 14KW diesel genrator
platinum mci
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« Reply #2 on: October 03, 2008, 12:09:09 PM »

Thanks for the advice forgot about the rats nest in the air filter good idea it has been stored in undercover parking on concreate for years, and looks like we are just down the road from you were in south Texas beeville to be exact.
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TomC
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« Reply #3 on: October 03, 2008, 12:15:22 PM »

Check the oil and see if any obvious signs of coolant in the antifreeze since 92 series can leak past the liner seals.  Once you determine all is alright, you might try turning it over from the back and hold with your finger the governor turn off in the off position.  This will both allow the oil to circulate and to build fuel pressure.  Crank for about 10 seconds, stop, release the fuel stop, then try again.  Good Luck, TomC
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« Reply #4 on: October 03, 2008, 01:03:42 PM »

Platinum,
Bob and Tom have just about summed up the advice I'd give! Fresh filters topped off. Be sure there is coolant & oil (and not mixed). Hold the fuel shut off in while cranking first 10 seconds or so! And Vrrooooommm!  Grin

By the way how'd the clutch deal turn out on the Eagle? Sometimes we like to hear results after giving advice. Kinda inspires us to be better advisers! lol! Grin  BK  Grin
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Busted Knuckle aka Bryce Gaston
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luvrbus
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« Reply #5 on: October 03, 2008, 01:25:11 PM »

[ looks like we are just down the road from you were in south Texas beeville to be exact.
[/quote] 

Only a Texan would say 350 miles is just down the road LOL and I am one
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Dreamscape
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« Reply #6 on: October 03, 2008, 01:31:21 PM »

[ looks like we are just down the road from you were in south Texas beeville to be exact.
 

Only a Texan would say 350 miles is just down the road LOL and I am one
[/quote]

Me Too! Grin

That's pretty funny Clifford!

PlatinumEagle,

Good advice here, I have nothing to add but check the tires too. You don't want to have a blowout on the road. Wink

Paul
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Don4107
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« Reply #7 on: October 03, 2008, 02:27:17 PM »

I agree that you should turn it without fuel, but I would do it until oil pressure builds.  Crank for ten or so seconds and then pause for 30 seconds or a minute to let the starter cool.  Then do it again until there is some sign of oil pressure.

I would plug in the block heater for a couple hours too.  A really warm DD turns and starts much easier.

Good luck
Don 4107
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Don 4107 Eastern Washington
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« Reply #8 on: October 03, 2008, 02:46:23 PM »

Nothing to add, except maybe crank the mill a little bit longer with the fuel shut off.  Watch the oil pressure gage to see if you are in fact building some oil pressure while cranking the starter.

Also, like others have already said, I would crank the starter for about 30 seconds at a time.  This will keep the starter from overheating.  You will need very good batteries.

Same thing about the fuel.  I would drain a little bit of fuel out of the bottom of the tank (if possible) and take a look see.  If the fuel seems OK, fine. If not, then you may have to change out the tank fuel.

Yea again finally, change out the fuel filture, along with fresh fuel filture fuel.  Also check the water and oil for oil in the water and the other way around.  Also check the tranny fluid level.  Good luck.  Smiley Smiley Smiley
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Bob Gil
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« Reply #9 on: October 03, 2008, 04:06:13 PM »

I always though if you were still in Texas you were just over yonder a little piece? 

Then again if you were a little too far north you were over the river (red river), and that was bad.

Too far south and your were in the same deal, just different river.
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Fort Worth, Texas where GOD is so close you don't even need a phone!

1968 GM Bus of unknown model 6V53 engine (aftermarket) converted with house hold items.

Had small engine fire and had no 12 volt system at time of purchase. 
Coach is all 110 w 14KW diesel genrator
luvrbus
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« Reply #10 on: October 03, 2008, 05:22:09 PM »

Bob,we could adopt HB of CJ he would make a good Texan he knows how to spell filters in Texan LOL just for fun HB
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platinum mci
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« Reply #11 on: October 03, 2008, 06:03:39 PM »

OK now time for a stupid question were is the Governor control and do i hold it closed as i'am cranking to build oil pressure?
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« Reply #12 on: October 03, 2008, 06:13:59 PM »

First post didn't.  Oh well.  Yep, I need adobting.  Old home town is Bakersfield, Ca, which is about as Texan (Okie twos?) as one can get.

Just what is this heer spell chek and how does it work?  Seems to me that perhaps I needs more help heres.  I can barely use this thing.  Smiley Smiley Smiley
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Bob Gil
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« Reply #13 on: October 03, 2008, 06:35:39 PM »

Thanks for the advice forgot about the rats nest in the air filter good idea it has been stored in undercover parking on concreate for years, and looks like we are just down the road from you were in south Texas beeville to be exact.

If you were a little closer i might be able to drive over and help.  Them there folks up in Yankee land might not understand that driving across our state can be an all day affair then some.  I have driven thur several of them sub states in a lot less time than it takes to think about driving half way across out real state.

Soory I am a little biased, I have been about every where and it is always nice to see the Texas welcome sign when returning.

Luverbus I am not too sure about them folk from cailf remember thier were yankees back then too,  But they can't all be bad (I hope).
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Fort Worth, Texas where GOD is so close you don't even need a phone!

1968 GM Bus of unknown model 6V53 engine (aftermarket) converted with house hold items.

Had small engine fire and had no 12 volt system at time of purchase. 
Coach is all 110 w 14KW diesel genrator
bobofthenorth
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« Reply #14 on: October 03, 2008, 07:17:45 PM »

OK now time for a stupid question were is the Governor control and do i hold it closed as i'am cranking to build oil pressure?

I can't find a picture but there should be a little air cylinder with a small plunger that comes out to contact a lever on the governor.  That's the shut off.  Hold that lever the way the air plunger holds it while you are cranking. 
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« Reply #15 on: October 03, 2008, 07:45:38 PM »

  "Them there folks up in Yankee land might not understand that driving across our state can be an all day affair then some. "

Yeah, I know what you mean.  I once had a car like that too.
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« Reply #16 on: October 03, 2008, 08:59:01 PM »

If you pull the fuel filters, they can be hard to prime. I would leave them alone at least until I could hear it run.
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« Reply #17 on: October 03, 2008, 09:50:02 PM »

When I had to try to start an 8V71 that had not been run for 15 years, I was concerned about the possibility of a stuck rack because of a sticky injector. To reduce the chance of that, I removed a valve cover and moved the rack by hand to prove it was free.

It was stuck, but after I moved it back and forth several times, it freed up. When I cranked it, it started right up, just like it had been run every day.

The other thing that I would be concerned about is that 30 seconds is a lot of cranking time on these starters. I would hold it to no more than 20 seconds, and let it set for a couple of minutes between tries. If you don't see any white smoke from the exhaust when cranking and it doesn't start the first try, you aren't injecting enough fuel.

Lots of white smoke and no start means insufficient compression to ignite the fuel. Dark smoke without starting means some fuel is burning but not enough to carry the engine over without the starter. A few seconds more cranking is likely to start the engine.

For what it's worth.

Tom Caffrey
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« Reply #18 on: October 04, 2008, 08:10:33 AM »


If you were a little closer i might be able to drive over and help.  Them there folks up in Yankee land might not understand that driving across our state can be an all day affair then some.  I have driven thur several of them sub states in a lot less time than it takes to think about driving half way across out real state.

Soory I am a little biased, I have been about every where and it is always nice to see the Texas welcome sign when returning.


Yup, one example of how big Texas is - when you drive from Houston to Los Angeles, El Paso is half way there.
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Bob Gil
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« Reply #19 on: October 04, 2008, 04:27:08 PM »

  "Them there folks up in Yankee land might not understand that driving across our state can be an all day affair then some. "

Yeah, I know what you mean.  I once had a car like that too.

Lin I don't think I would be getting out in any vehicle that I did not think could make the 1600 mile across the state going south and back. 

I am not afraid to get in my 4 clyinder suburban and go any where when I need to.  It does better on fuel than the wifes Mitsubity Gulant, and a lot more room.

I drove just the state of Texas one year in a big truck and drove as many miles as I would have if I were running cross country.  McAllen to Dumas is a long way any way you drive it. as is Texarcana to Elpaso, or Beaumont to Elpaso.  In most places it can be a long way to go for help during the day much less at night.
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Fort Worth, Texas where GOD is so close you don't even need a phone!

1968 GM Bus of unknown model 6V53 engine (aftermarket) converted with house hold items.

Had small engine fire and had no 12 volt system at time of purchase. 
Coach is all 110 w 14KW diesel genrator
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« Reply #20 on: October 04, 2008, 04:37:07 PM »

Bob,

That was another sorry attempt at humor (ie: it takes a long time to get somewhere because the car is slow rather than the distance is great).  There is actually an ancient joke about a Texan telling a New Yorker that when he gets in his car, it takes him an hour to reach the end of his driveway.  The New Yorker's answer is, of course, "I had a car like that once too."  I know a lot of people use "lol" to avoid misunderstanding, but I prefer to see if it flies on its own.  Oh well, maybe next time.
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platinum mci
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« Reply #21 on: October 05, 2008, 04:20:56 PM »

installed new batteries checked oil it was at the full mark turned master switch on cranked a 1/4 turn and it fired up no smoke oil pressure on gauge showed 20-25psi let it run for 3-4 minutes and then shut it off checked oil level showed to be at add mark is this normal?

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luvrbus
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« Reply #22 on: October 05, 2008, 04:30:08 PM »

Eagle that is normal it takes about 30 minutes for the oil to drain back to the pan
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Busted Knuckle
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« Reply #23 on: October 05, 2008, 06:07:57 PM »

installed new batteries checked oil it was at the full mark turned master switch on cranked a 1/4 turn and it fired up no smoke oil pressure on gauge showed 20-25psi let it run for 3-4 minutes and then shut it off checked oil level showed to be at add mark is this normal?



YES! Just like Clifford said, it takes a while for the oil to run back down! Also when it does show awkward check both sides of the stick. Most times when the top of the stick rubs the tube coming out it can show low, when it's really NOT!

By the way what happened on the clutch deal on the Eagle? Expiring minds would like to know? Grin  BK  Grin
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Busted Knuckle aka Bryce Gaston
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« Reply #24 on: October 06, 2008, 07:17:10 PM »

well the story on the ealge goes i found a 1975 md 5 about 7 hours away for sell at a good price fresh overhaul but had been sitting for years would start and run just when it goes into gear it would not go talked to several shops and got a different answer to the problem everytime, this sent red flags up on trying to find someone that was able to work on this situation. At the same time I was looking at this I found a 1983 mci that had been sitting for about 9 years but in a covered storage area,  much better condition and so i purchased this bus instead,
Can someone direct me on telling me how to properlly check the transmission oil it ia a automatic and the lever that is next to the upper blower wheels what does this do? does this tighten the drive belt?
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« Reply #25 on: October 07, 2008, 10:33:44 AM »

   I found a 1983 mci that had been sitting for about 9 years but in a covered storage area,  much better condition and so i purchased this bus instead,
Can someone direct me on telling me how to properly check the transmission oil it is a automatic and the lever that is next to the upper blower wheels what does this do? does this tighten the drive belt?


  To check automatic transmission, Start engine, shift through all gears, place in neutral and check fluid on transmission dipstick (engine still running). There should be 2 marks, Hot and Cold (cold closer to the tip of the dipstick).  Use the Cold mark unless transmission is warmed up.
  Not sure what lever you are referring to, but here is a photo of the OEM blower belt air cylinder tensioner, regulator, and valve. This in installed in the top of the engine compartment right below the blower compartment floor.  Rotating the valve 1/4 turn releases the pressure in the air cylinder. Per my MC-8 (MC-9 should be the same) manual, regulator is to be set at 35 PSI.  Jack
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« Reply #26 on: October 09, 2008, 07:03:40 PM »

thank you for supplying the picture that is the valve i was looking at does that valve need to be in the off or on position when running?
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« Reply #27 on: October 09, 2008, 07:25:57 PM »

thank you for supplying the picture that is the valve i was looking at does that valve need to be in the off or on position when running?

On ! It needs to apply pressure to keep tension on the belt! Should be left on except to change a belt! Grin  BK  Grin
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Busted Knuckle aka Bryce Gaston
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« Reply #28 on: October 09, 2008, 07:40:53 PM »

Hmmm, you folks from the great state of Texas best to have a look at the province of Ontario if you want to compare driving distances to get out of Dodge....

happy coaching!
buswarrior
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