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How far do I go with this? etc. 1989 XL CC 8v92TA
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Again “WOW! Very impressive”.
2005 XL Thompson Coach
Rarely tow anything behind us.
Sold: 1993 Liberty that we loved for 12 years. -
I sourced the hoses and fittings from Murdock Industrial (hosewarehouse.com). Using Aeroquip EZ Clip hose fittings.
The rooftop condensing unit is from Valeo Thermal Bus directly out of Indianapolis, IN.
The Valeo TM31 compressor, low and high pressure switches and drier were sourced from AC Parts Warehouse (ACparts.com).
Rick
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Thanks!
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Hey Rick I’ll be right over. Can we do mine this weekend? lol
Great pics. Thanks for the updates.
Bill III
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Bill, I’m not sure I want to do this again…although it would be quicker the next time! I do a lot of different projects, but this project has been the most complex by far. I was supposed to be building my bus barn last year, but now I’m building the bus! Minor setback.
Rick
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That baby doesn’t have Prevost OTR Air does it? Don’t see one of these.
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No, it had Prevost dash air and the Country Coach (over-the-road) air for the rest of the bus. (Two compressors, two condensers, three evaporator coils). So, I eliminated the dash air compressor as well as the dash air condenser that was in front of the radiator. I eliminated the condenser for the Country Coach (over-the-road) air that was mounted above and behind the front axle (a hot location prone to road dirt and debris damage). I am using a larger version of that compressor that happens to mount in the same location as the Country Coach added compressor. That will run the entire system with the roof-mounted condensing unit.
By installing the condensing unit on the roof (only 7″ tall), that gets it away from the hot road and into a free air stream. It has two fans on it as well. It also gets that hot condenser out of the way of my radiator for better engine cooling.
The one downside is that the condenser is probably going to get leaves and dirt in it from above. The way it is designed, however, should allow for fairly simple maintenance. I am planning to make a cover for it for long term parking.
Hopefully it works!
Rick
Jeff and Lindsay
91 Marathon XL -
Engine rebuild update if anyone is interested. I have the engine just about ready to go onto the cart. Then I will couple it with the transmission. Just a few things to do before sliding her back in.
I will finish making the remainder of the air conditioning hoses and get the A/C system all connected up and tested. Dash air is complete, now moving to galley and bedroom evaporators.
Make down-the-road A/C work electrically with new roof-mounted condenser. Need to make both dash air and galley and bedroom controls all turn on compressor and condenser.
Rebuild air dryer, install new u-joint, paint engine oil pan, paint transmission oil pan, coolant lines, install new radiator, rebuilt boston gear box, shaft and pulley, etc.
100 other odds and ends.
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Beautiful Job!!
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Looks fantastic! CONGRATS on all – Truly an amazing project only a VERY few could accomplish!
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Thank you. Some days I feel like I’m nuts for doing this, but we like the bus too much.
Rick
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“I force a smile knowing that my ambition far exceeded my talent” -George Jung.
Seems like a toss up. Great work!
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Rick,
I really like to pick your brain on the rebuild of the Boston Gearbox.
Ron
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Ron, concerning the Boston Gear box… I simply replaced the seals which I obtained from Motion Industries. They were off the shelf items.
The challenge was getting the spacing right when putting it back together. The gaskets were thin metal and set the gear mesh spacing. They are no longer available. I think if I were to do it again, I would try to get those seals out without taking it apart thus preserving the gear mesh spacing. I ended up making a gasket (or two?) and the gear mesh is satisfactory I think.
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Thanks, Rick, for the response. I had another person recommend replacing the Boston Gear Box with a Sterling. However, I cannot get an answer as to the changes that would be required if I did that.
R
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