Wednesday, November 2, 2011

Yesterday I drove the bus to Bluegrass International Trucks in Georgetown KY to have them replace the studs on the drive axle, inspect the brakes and adjust the slack adjusters, and check the wheel bearing and oil seals.  Let me know if you find anything else, was my last instruction.

WELL... they found more and called me late this afternoon for me to drive over and take a look.  Bad bearings on one tag axle, which I suspected.  Bad input seal and flange seal on the differential, which I knew about already.  Brakes ok except for the slack adjuster mechanism on both drive wheels... has play in the slack adjusters and s-cams.  The drive shaft universals are badly worn and possibly the yokes are out of round... might need a new drive shaft.  The last items was up front with the steering.  Worn tie rod ends, but more importantly BADLY worn king pins on both sides.  With as much play as he showed me on the king pins, no wonder she wandered in the lane and had lots of play in the steering wheel.  They are calling "axle surgeons" (yes a real company) to come out tomorrow and inspect the king pins.  Might have to have new front axle ends put on.

I think I hear a big sucking sound coming from my wallet.  Ben from International will give me estimates on the rest of the work tomorrow.   I am REALLY impressed with the work they have done so far and the thoroughness of the inspection.  Both Ben and the mechanic James seem to really know their job and take pride in their work.  I highly recommend them.

 Looks like my planned trip to Florida to work with Fred Hobe is put on hold for a bit.

Tuesday, October 25, 2011

Me with my new rear tires/wheels.  The picture doesn't do them justice.  The new tires and wheels look really good  up close and personal.  The tires were bandag's and ran $346 and change plus tax each, mounted.  The new wheels were $145 each plus tax.  I got 6 of each.  I should be set for quite a few years as far as tires go.   All to together a little over $3 grand out the door.

The guys at Bob Somerel Tire in Winchester Ky were absolutely great.  On my initial visit the guy worked with me for almost two hours answering my questions and pricing tires.  He also gave me a tour of their recap operation.  I found that very interesting and played a big part in my final decision to go with bandags on the rear.  The two guys that did the change out today were professional and knew what they were doing.  They both also answered any questions I had.  None of this was anything like I have ever experienced before when buying tires for my car.  The icing on the cake was when they pulled out the torque wrench to torque my studs.  They did the same to the Kenworth they worked on before my bus.

In the process of the change out though, they showed me several really bad studs on the drive tires.  They are not equipped to change out studs as all they do is tires, but he recommended a couple of places for me to call.  So 20 new studs on the drive tires are next on my list.  I don't know if this is something Barry and I want to tackle or not.  It's not rocket science, but these tires are HEAVY and very hard to handle.  Not sure my knees and back are up to the task.  We'll see.  Either way, they have to be done before our upcoming trip to North Florida for steering replacement.

I thought back to the last time the drive wheels were taken off and it was last summer when the bus was in the shop at S&S Truck Center in Lexington.  They took off the drives to replace a couple of radius rod bushings.  The didn't give me any notice at all about the bad studs... they just put them back on.  Only part of the reason I'll never go back there.  I don't understand people and businesses that do not take pride in their work and will just put anything out the door.  Only part of what is wrong with this country today.

Back to a positive note... all in all a good day.  This is the first road trip for the bus in a year and she did flawless.  I am so pleased.

Sunday, October 23, 2011

I am supposed to go next Tuesday afternoon to Bob Somerel Tire in Winchester, KY to have my new rear wheels and tires installed on the bus.  Today Barry and I were supposed to jack up the back of the bus and remove the dual on one side so I could get under there and inspect a few things.  I really need to check the differential fluid level and top off if necessary as I know it has a leaking seal.  I just don't know how much has leaked off and I need to check it before I get on I-64 to Winchester.


However, as Barry is known to do OFTEN, he did not show up.  We were supposed to do it last Sunday too, but he felt it more important to go to Court Days in Flemingsburg.  I do not want to do that job alone and I could use his muscle too to help, so I spent the afternoon cleaning up the inside more, removing the old carpet and padding, and then testing my air horns that I bought last summer.  


From the pictures you can see the carpet is all gone.  I tested the horns with my air compressor and jumped to the batteries, and they work.  They are even dual voltage.  At some point I'll need to install them but that will be a lot of work as I need to tie to the air system and the electric.  Currently I have no horn on the bus.

Sunday, October 16, 2011

Not the best picture but my attempt to show the two sun visors installed.  I still have one more to go on the passenger side windshield, however, it is the more problematic of the two.  I need to remove one of the brackets to hold the visor in order to install it and I so far cannot get any of the mounting screws out.

I lucked out in getting these three visors.  Charlie @ Bluegrass Tours gave them to me.  He had a MC9 that had been sold to a guy for scrap and so he removed them for me.  Only thing is, he did not get me any mounting hardware so I have had to make that up as I went.

Now if I can only get one of the remaining bracket removed I can install the last sun visor.
Today I finished doing more drivers panel wiring.  I repurposed two switches.  One for the GPS outlet installed below.  The second is to operate the door airlock.  The airlock securly clamps the door in the closed positon with a 'claw' while underway.  Since the p/o removed the original door closer and wiring I had to make up new wiring to operate the air over electric door lock.

Saturday, October 15, 2011

Parking Brake Valve Completed

Pictured here is the new parking brake valve commonly referred to as a 'push/pull valve'.  Shown also is the new fittings and DOT air lines.  You can only see two but three are involved.  The old copper lines made the task of removing and reinstalling the brake valve much more difficult than it needed to be.  The lines run down through the floor under the driver into the compartment below.  That area is more open to the weather and the lines were somewhat corroded and in bad shape.  Having all of this changed out makes for a better installation and this is one problem I should not have to revisit in the future.

Sunday, October 9, 2011

24 volt socket

A while back I purchased a GPS that is setup with maps and routing for a large truck as opposed to a car.  This will help with routing, bridge weight restrictions, under-passes, narrow streets, etc that would impact a larger vehicle.  The other nice feature about this particular GPS is that it is dual voltage 12/24 volt so I could use it in the bus or car if I had to.  The bus chassis is 24 volts so I could not use my car GPS even if I wanted to.

I purchased an auxiliary (cigarette lighter) socket online and yesterday I installed it.  I disconnected the indirect lighting circuit as all of those lights were long removed with the normal bus interior and this circuit has a switch and is fused at 20 amp with a circuit breaker.  I competed with wiring and tested it today with the GPS... all works perfectly.  I added a label above to show this is for 24 volts only to prevent anyone from attempting to use it for a 12 volt device like cell phone or laptop charger.  This really will be a single purpose socket.  It is also mounted at the drivers panel next to my left knee, so it will be out of the way of other people anyway.  So in the event that I EVER get the bus on the road, I'll have the help of my GPS and can plan routing, watch speed, and can keep up with mileage.  At this point the bus has a speedometer but I am not sure how accurate it is and it has NO odometer so without the GPS I have no way of tracking mileage.  Finally one step forward.

Air brake issues hanging like a dark cloud over me.


I have removed, inspected, and reinstalled the QR1 valve numerous times over the past several weeks.  Since I had not made an progress I saw no sense in making blog posts.  I am trying to figure out why I still have a slight air leakage out the exhaust port when the parking brake is applied.  I looked at other parts of the air brake system and found the parking brake (push-pull) valve leaking out the bottom so I ordered a new one from Luke @ U.S. Coach for about $115.  I feel that most of the parts I have had to replace on the bus, so far, have been fairly priced especially considering their size.  The one part that is priced like gold, however, is TIRES.  I'll get back to that topic though in another post to come later.

Yesterday I attempted to replace the parking brake valve shown in the picture to the right.  It has three air lines that were originally copper.  This valve fits in a small compartment to the right of the driver next to the transmission shifter and access is made more difficult by the fact that the driver's seat is right next to it.  I attempted to install it twice.  I never did have much success getting it lined up to fit in the bracket mostly because of the rigidity of the copper lines and also because the new valve threaded top is just slightly larger than the original one and doesn't fit in the hole in the mounting bracket.

So today I removed the three copper air lines completely, marked them as to location and purpose and this week I will go get some plastic DOT air line to replace them with.  This will be much more flexible and the reinstallation of the valve with the new air lines should be a piece of cake.  I drilled out the mounting hole just a bit and now the threaded top of the new valve fits in the bracket perfectly.

Before I removed the valve though, I started the bus and ran the air system through its paces to listen for other obvious air leaks and check the operation of the air dryer purge valve and the cut-in/cut-out pressures on the air governor.  I could hear a decent air leak from around the rear axle which makes me think further that I have one of more brake cans leaking in the rear.  My thought is that the slight air leakage I still have up front in the QR1 valve is possibly coming from the same rear brake cans.  It seems so much of the time I get one step forward and then take two back.  None of this will fix itself and I keep saying I should be thankful to find this stuff now at home base than in the future on the side of the road.


Monday, September 5, 2011

QR1 and pressure regulator valve repairs

I discovered a couple of air leaks after running the bus a week ago.  Ordered parts and the arrived Friday.  So Saturday I worked on the bus attempting to fix the air leaks.  First is this quick release valve which, in this case, is part of the parking brake system.  It resided up front in the spare tire compartment behind the bumper.  Luke at U.S. Coach sent me the rebuild kit which consisted of a diaphragm and a gasket.  Other than laying the the compartment on your back removing the QR1 valve was not difficult nor was dismantling it and replacing the two parts. However, in reading the maintenance manual it mentions a spring and diaphragm seat and my valve clearly did not have these parts.  After I reinstalled the valve I aired up the system and it STILL leaks out the exhaust port with the parking brake applied.  Not sure what my next step is going to be.  I wonder if I have a leak somewhere else in the parking brake system and it just happens to leak back through the exhaust port of the QR1 valve.  I'm still researching.


After finishing the QR1 valve, I removed, rebuilt, and reinstalled the pressure regulator for the blower belt tensioner.  Here is a picture of it NOT blowing bubbles after the rebuild.  Only problem is, it STILL leaks too, just not as bad.  No nest of bubbles, just leaking out the tiny weep hole in the back.  I am researching that one too, but feel that the problem may be a leaking tensioning air cylinder and it comes out the weep hole.  Hopefully I can update with the fix soon.  The regulator is at the top of the picture and the air cylinder on the right side.


Tuesday, August 30, 2011

Air leaks

Today was the first chance I've had to do anything to the bus in a couple of weeks.  I have started it the past two Sundays and moved it around the lot a bit just to stir fluids up, but that has been it.


Last Sunday I noticed that after I shut down the engine I could hear lots of air leaking from under the front.  So today I started poking around with my soapy water bottle to see what I could find.  Found a fitting or two that needed tweaking but the big culprit was the silver square thing in the picture.  Later found it is a quick release valve (a part of the air brake system) and it is leaking out of the side.  A call to Luke and U. S. Coach told me what it was and he is sending me a rebuild kit for it.



For some time I've had a leaking pressure regulator for the blower belt tensioner but I had no idea it was leaking this bad.  While soaping down fittings, I came to the engine compartment and inspected a few.  The regulator is leaking hugely as you can see by the large bubbles it blew.  Luke has the rebuild kits in stock for this too and is sending it to me.




Tuesday, August 16, 2011

Bad wood in the rear


LaRon took a load of debris to the dump today.  That allowed me to clean up the rear end and move things around a bit.  First item on the list was to inspect the cause of a soft spot in the pergo flooring, curb side, in the bedroom.  I removed a piece of the flooring and just as I suspected, found bad wood.  I ended up removing all of the pergo flooring as the more I removed the more bad areas I found.  You can see the worst area in this picture to the right.  The wood there was still very wet and spongy.  Parts of it pulled away like tearing a sheet of paper.   
The question now is how much is bad and how deep.  I spent the rest of the afternoon removing the bad plywood on top of the original bus floor.  You can see in the picture here that the damage goes all the way across the bus to the other street side wall.  While the wood is not wet on this side, I decided it best to remove all damaged sections.


Here I show a picture of the bad plywood all cut out of the bedroom area.  The original bus flooring seems to be ok here except for the two spots at the back wall where the blue covering is missing.  I removed the bus plywood floor, which was dry but still rotted,  exposing the metal sheeting below.  The metal sheeting is in rough shape but it is not structural so it should be ok.  While the bus floor is definately showing it's age I believe it to not require removing.  I am not sure what I will do next.  I need to remove a couple of sections of the metal wall covering under the windows to inspect inside the wall and the framing.  I suspect that I'll find rust in a few areas.   Stripping the conversion out of the inside of the bus has been a big undertaking and it pretty much brings the project back to square one.  Finding the bad and still wet wood today reassured me that the tear out is necessary.  It can look pretty on top but be rotted below.




Saturday, August 13, 2011

Kitchen out

Last piece of the kitchen came out today.  My previous post was about removing the gas water heater.  I had to remove that before I could resume demolition of the kitchen cabinet base and remaining partition wall between the kitchen and the bath.  As you can see from this picture, the wall is gone, kitchen base is gone, water heater is gone, and the hole in the side of the bus has been covered over temporarily with some of the white sheeting from the tear out of the ceiling covering.  Not sure what the white sheets are called yet, but I think I may go back with similar as a ceiling covering when finished.  It is durable, washable, and reflects light well.  The next step will be several trips to the dump.

Water heater out

Water heater is out.  Actually wasn't very difficult.  Took the outside cover off, then four screws holding the outside rim on to the inside part of the heater, then 3 or 4 screws the P/O used to screw into the wood frame, took loose the gas line, and pryed the rim off.  The I went inside, and Barry pushed from the outside while I pulled and wiggled from the inside.  I have no plans to keep the gas water as I think I want to install a larger electric water heater in the bay below.  My plan at this point is to attempt to sell the heater on craigslist.

Sunday, August 7, 2011

Kitchen mostly gone

Today I managed to demo most of the remaining kitchen cabinets and counter area.  Removing the cook top was not much of an issue.  On the label shown below it says the unit should not be any closer than 6" from the center of the burner to the closest combustible material.  It was placed exactly 6" as stated, but the outside of the burner was only 1" from the adjacent wall and that just looked way to close for my comfort.  So on the rebuild I will place the unit further than this from the sidewall.
My plan was to save the two compartment stainless sink but the P/O had no intentions of it ever being removed as it was abundantly glued down on all sides... so the sink goes to the dump along with the ugly blue countertop.


Since the countertop area is not large, I am thinking about moving the sink down more toward the other end of the counter and thereby leaving an open work space in the middle between the sink and the cook top.


The three burner cook top shown here should be adequate for our stove top needs, but with this we will not have an oven.  The other option would be to get an apartment size gas stove which would have both but I think in the mean time I might just use this cook top and the small electric countertop convection oven I have at home.  I am not a fan of the microwave at all so I have no plans on including one of these.


From  the picture here you can see I have quite a load to go to the dump.   I have already arranged with LaRon to take a load Tuesday.  As it turns out it looks like I might have two loads.  I still have the base of the kitchen cabinet left and half of one partition wall to still come out.    After I clean up the inside of the small stuff and sweep it out good, then maybe I can start work on removing part of the bus ceilling and old fiberglass insulation.




Here are before and after pictures of the kitchen.
All that is left here is the cabinet base and the gas RV water heater.  

Tuesday, August 2, 2011

New gauges

This past Sunday I installed my new volt gauge in the dash.  I was just too tired after the previous days demolition to do much so I picked the gauge install. The volt gauge is the small one on the right.  The picture didn't come out very well but it is a very nice gauge from Isspro.  Now I can tell exactly what the new alternator is doing and when charging and when not.
 When I bought the bus it did not have a volt gauge in the dash or an oil pressure or water temp gauge in the rear engine room.  While the volt gauge is not a must have, the other two are.  So when I first put the bus in the shop at Republic  Diesel for those oh many months,  I had them install the direct oil pressure and water temperature gauges in the rear.  That way I know for sure what the correct readings are.  Old dash gauges tend to not be nearly as accurate.

Saturday, July 30, 2011

Tearing out more of the bathroom

This is how the bathroom looked when I last worked on it.  I have not had time to do any work on the bus during this past week, other than throwing all the demolition debris out the rear window and into the bed of LaRon's pickup.  I secured his help in taking a load to the dump Tuesday.  I then was able to sweep up the bedroom and move some things around this afternoon so I could do more demolition.  I managed to get the rest of the shower stall removed.  All that remains is the shower pan which isn't even attached to anything.


I had hoped to have been further along by the end of today, but removing anything seems to be such a struggle.  Everything is glued, screwed, and in some places riveted.  The P/O certainly had no plans for any of this to come out.  So, the way things ended today, I have one wall remaining on the curb side to remove and two walls along with the kitchen cabinets and counter on the street side.  I suspect removing the kitchen will be the most difficult yet.



This shows what needs to be removed from the kitchen area.  I hate having to tear out the kitchen as it looks really nice.  However,  the cook top is only 1-1/2" from the wall.  Too close as far as I am concerned for a gas burner.  I need to remove the window from the kitchen area and I would like to install a smaller RV slider window over the sink.  The range hood will need to be moved also to match the placement of the cook top.  Then there is the issue of insulating the ceiling and walls of that area along with the rest of the bus.  So, as you can see, pretty or not, it all needs to go.  BTW, not a fan of the blue counter top either.

Sunday, July 24, 2011

Begin bathroom tear out

Today I finished removing the street side wall separating the bedroom and bath.
You can see here that the wall next to the sink is missing and the sink is still attached.  Removing the sink from the wall was on of the easiest tasks in this tear out so far.  Only two screws remained after the wall was out, I went below and disconnected the hot and cold water supply lines, then came back up top and cut the waste line with the saw-zall in a convenient spot.



Here you see the sink before it was removed as well as the placement of the existing toilet and wall.  These pictures will be reference points for me when I begin the rebuild.  I suspect that the sink, toilet, and shower will all go back in the original places.





In this picture you can see the curb side dividing wall is gone and how the shower stall was framed on the one side.  Once the sink was out, I began to dismantle the shower stall door.  I think I worked well over an hour just trying to get all the screws out and beginning to cut through all of the caulk and sealant. I managed to remove the door, the top and right side railing but could not get the left rail out because the blade broke in the cutter I was using to cut through the caulk.  Tomorrow I'll make a trip to Home Depot and buy some more blades and work on the shower door some more.  The door looked very nice, but I'm not sure I will go back with it.  It will take only a few minutes to remove a shower curtain as opposed to the hours of labor to remove the door and all the trim pieces.  We'll see when the time comes to put it back.  I was getting tired and figured this would be a good stopping point for the day.

Saturday, July 23, 2011

Finish bedroom tear out

Barry and I finished tearing out the build in the bedroom and started removing the walls separating that and the bath.  The curb side wall is all out and also that side wall covering.  I started removing the street side wall, but only got half way done with that before the heat just became too much.

I turned on the front roof air this morning and it was ok for a while, but after the afternoon sun rolls around the bus begins to bake.   With the bus not very well insulated, which is one of the reasons for the tear out, the a/c cannot keep up.  By the time I quit it was 89 inside and I had done enough for one afternoon.

Thursday, July 21, 2011

Starting the tear out

With the fuel prime issue resolved and the engine once again running smoothly I'm on to new tasks.  I have decided to completely strip the inside of the bus down to the metal framwork in the walls and ceiling.  I want to see what rust lurks behind the walls and fix it in preparation for spray insulating, removing windows, and reskinning.

Today Barry (sometimes we call him Patch) and I started stripping out the bedroom.  Barry has been a God send and is always there to help me with the bus.  We compliment each other well and between the two of us, and the internet "bus boards" as I call them, there is not much we can't figure out.  The previous owner did a good job of building parts of the inside carpenter wise, just not that I wanted in some areas and also I did not agree with some of his wiring methods.  So for several reasons I've decided the inside must go and be redone.  What is making the tear out so difficult is that the P/O glued and screwed every piece of wood installed.  He surely had no intention of ever tearing any of this out.  So it is all a struggle.  I'm trying to save any good wood that I can, especially the oak pieces, but some just can't help but be ruined.  If only he had not glued everything.

We are in a heat wave, as are lots of parts of the midwest, this year.  The high today was 96 with indexes in the 108 range.  After 4 hours this afternoon in the bus (even with one a/c running) we were both exhausted and ringing wet.  We got all of the bunks tore out and when we get back to it we'll finish the remaining wall and ceiling siding, trim, and start on the wall between the bedroom and bath.

Saturday, July 16, 2011

Gentlemen, start your engines

Today, I finished up the installation of the new spin-on fuel filter assemblies.  After that, I reprimed the fuel system with the nifty garden sprayer priming system that I put together and then attempted to start the engine.  After the priming equipment was removed and the main supply line filled and hooked up, I hit the starter switch and she lit right off just like a good detroit diesel should.  Purred like a kitten.  I let her run for probably 10 minutes at a high idle and checked over things looking for obvious problems.  Everything looked ok so far and no leaks showed.

I also took the time to check the output on the new alternator installation at a high idle.  The alternator was putting out voltage so it appears to be ok too, I'll just have to live with the no charge at idle situation for a while.  It appears that the real fix for that might be having to move the alternator to the other end of the engine and driving it off the crankshaft pulley.  For now I'm leaving it where it is and will just be conscious of my low idle time and chassis electrical demand.

The bus will sit overnight and tomorrow we'll see if the prime has held.  One thing for sure, the new spin-on filters are SO much easier to fill and install than the old canister type that I removed.  If I ever have the need to reprime the system again, I have the equipment to do it with.

Friday, July 15, 2011

New Fuel Filter Assemblies

I installed the new spin-on fuel filter assemblies today.  I picked up the new brass inverted flare fittings that I ordered yesterday from Republic Diesel.  8 fittings were just under $40 dollars.  Since I buggered up the threads on one of the old fittings trying to remove it from the old primary head, I decided I would get new fittings and install everything new except for the hoses.   Several weeks ago I ordered a fuel pressure switch which was missing from my bus.  You can see it to the right of the secondary filter ready to have wires attached.  This switch prevents the starter from engaging after the engine starts.  I managed to get all the fittings except one in and the heads mounted before I quit for the evening.  Tomorrow I plan to install the remaining fitting and prime the fuel system.

All of the fuel hoses looked ok except for the inlet hose from the bulkead fitting to the primary filter.  As you can see in the picture to the right, the hose is beginning to crack on the outer casing, so I went to BG Rogers and had them make a new fuel hose for me.  After I get the system primed then I will install this hose as the final piece. 

Thursday, July 14, 2011

Converting to Spin-On Fuel Filters

Several days later I went to see Charlie at Bluegrass Tours (my go-to guy for bus repair advice).  He suggested I go to Republic Diesel for the spin on conversion heads or maybe even a truck junk yard.  I decided to skip the junk yard route as I've never really had much success there.  They are the only truck/heavy equipment junk yard in town and they seem to not have much in the way of the old two-stroke stuff.  So I went to Republic Diesel, late Tuesday and ordered the primary and secondary filter heads.  The heads were about $65 each with the filters being $6 each, which is almost half the price of the filter elements for the old canisters.

I made it out Thursday to pick up my parts and started to remove the old heads later that afternoon.  I now have had a lesson in just how soft brass fittings are as I buggered up one of the 90 degree induced  flare fittings trying to remove it from the old primary head.  These fittings have probably been in place for 35 years.  So all comes to a halt once again.

I went out to BG Rogers on Georgetown Rd to see if they had the assorted 90 degree fittings that I needed as at this point I was going to replace them all and have a spare or two for the future.  BG Rogers is the one that made up my new rubber fuel supply line that runs from the bulkhead fitting to the filters.  However, they did not have the induced flare fittings in stock.  My next stop was Republic Diesel, once again.  They also did not have them, but would order.  So I ordered them and should have them tomorrow.  So maybe Friday afternoon or probably Saturday I'll hopefully get back to installing the new fuel filter heads, filters, and repriming the engine fuel system.

Sunday, July 10, 2011

Lost Prime

In my previous post about the alternator issues, I mentioned that the engine lost prime.  Sure enough, after removing the two fuel filter canisters they were half empty.  Classic case.  I purchased two sets of filters at O'Rileys a few days later.  On Saturday the 9th after finishing work, I attempted to install the filters, fill the canisters and install on the engine.  The secondary filter went ok, but I never was able to get the primary on correctly.  The filter element didn't appear to sit right and the canister would not pull up to the head properly when I tightened the center bolt.  When took it appart for the last time and removed the filter element, the bottom of the element seal and flange was stuck in the bottom of the canister, with what now appear to be the previous element seals too.  I could not remove them, so next week I plan on getting a conversion kit for "spin on" filters and get rid of all of the canisters.  Working with the canisters is a royal pain, laying on the ground, with your hands over your face, pushing up on spring loaded, partially filled fuel canisters.  More to follow when I get the new parts.

New Alternator

Ordered a Prestolite 24V 150A alternator.  Back in March the last time I ran the engine, I measured the voltage at the batteries while the engine was running.  The alternator had been changed out by the previous owner due to a succession of alternator problems with the old 50DN alternator.  So he removed the original setup and installed an aftermarket smaller alternator.   It appeared that the alternator was not putting out a charge.  With one of the wettest spring seasons on record, I was unable to do much work on the bus for months.  After much research and a lot of going from one place to another talking to one shop and then another I ended up ordering a new and larger output alternator online from www.ereg.com.

While the old alternator was out it gave me the opportunity inspect some of the engine room wiring.  Several major wiring runs across the engine room were run inside of plastic wire wrap.  On inspection, I found a horror.  Approximately 5 foot of 1/0 cable was completely bare of insulation.  It evidently had dry rotted and fallen off and someone is the past covered it up by putting it in wire wrap.  While it was somewhat protected, it sure looked like an electrical fire just waiting to happen.  So I removed it all.  Nandino Industrial Electric made up new cables for me and did a great job.  When I get ready for a house battery bank they will be the ones I go to to have all of the cables made up.  I also replaced the "pass through stud" in the rear panel box that the alternator and this 1/0 cable hooks to.  Had new cables made for the new alternator and cleaned up some wiring in the rear panel box.Pictures below are some of the new cables and replaced wiring run inside of new wire wrap and tied up secure.

Greasy ME working from the street side rear access cleaning up the wiring, removing the old alternator and installing the new.


After several months of work off and on around working and the weather, I finally got the job completed and was ready to start up the engine and test the alternator.  Started it up Thursday the 7th of July... lit right off and ran for about 5 minutes then started to faulter and die.  I suspect that I'll find the fuel filter canisters partially empty, which means she has lost prime.

For the brief few minutes that she ran, I hooked my meter to the alternator and was not getting a charge at idle.  At first I thought something was wrong, but after researching the specs on the new alternator, I think my problem is lack of idle RPM's for the alternator.  The cut-in RPM is 1400 and it turns no where near that at engine idle.  The driven pulley diameter is 3" and the driving pulley diameter is 5", which means the alternator will not get up to 1400 RPM or better until the engine is at about 850 RPM.

I suspect when I get the lost prime issue resolved and the engine running again, that when I increase the RPM's that the alternator will put out the proper voltage.  I am not sure of the options of either increasing the driving pulley diameter or reducing the driven pulley diameter, but either way would help the alternators idle RPM situation, but that is another battle for another day.  At this point I can live with it the way it is for a while as I have more important issues to resolve.

Wednesday, May 11, 2011

First the GMC buffalo, then the MCI 8

This is my first blog, so bear with me as I climb the learning curve.  My purpose for the blog is the document our trials and tribulations of owning a used intracity coach and finishing the conversion into a reliable motor home.

My first bus was a 1980 GMC model that was not without lots of problems.  Had I known then what I know now, I never would have made that purchase.  I never finished that bus and I ended up selling it to a gentleman in Tennessee who wanted it just for parts.  The city of Lexington was forcing me to remove the bus from my driveway because it was against code to be parked here.  The bus needed to be completely behind the front line of the house and my driveway was not long enough to do that.  With the economy in the toilet,  this was NOT the time to attempt to sell an old retired charter bus and especially one that needed repairs in order to run.

 Just before I made that sale of the GMC, my best friend Matt found a mostly finished MCI model 8 bus in Winchester that was for sale.  The end result of this is that I purchased the MCI and began my new endeavor,with much more seriousness this time.

The MCI needed a few maintenance items right off the bat, so I put it in the shop at Republic Diesel for what turned out to be approximately 9 months. Then  At that time I was not in a hurry anyway, because i wasn't sure where I was going to park it, so it all worked out.  After this, I took it to S&S Truck Center to have the steering checked out, the front end, and have some radius rod bushing replaced.  They kept it another couple of months doing this.  They told me the steering gear was worn out and needed to be replaced.  They also replaced the two front tires at a tune of $996 for two steer tires, mounted and balanced.

Once I got the bus back I started poking around and planning on the necessary changes to the interior.  I quickly learned that while the previous owner did  fantastic job in his woodworking on the interior I had lots of issues with the way he ran the wiring.  Consequently I started late last summer tearing out a good portion of his wonderful work to enable access to the wiring and make the necessary changes.

I spent the rest of fall, with Barry  as we made several trips out of town to Visone RV Salvage, removing furniture and seating out of a wrecked Bounder, that I wanted for our new bus.  So now the furniture is stored in the bays below waiting for the right time to complete that portion of the install.  However, that will be one of the last things to do on the inside.  Removing and transporting the furniture took us until almost winter to complete.  While at Visone RV Salvage, I was able to walk around the lot and look at many wrecked and burned out "sticks and staples" conventional RV motor homes.  This gave me a first hand look and how they are made and reassured me just how much more "substantial" a used intracity bus is as compared to a manufactured motor home.