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Old 08-13-2018, 01:03 AM   #11
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If you are going to put an 8D battery on a charger you need to put it on at least 15 amps of charge. With over 1000 amps of cold cranking amps it will take more than three days to fully charge the battery.

If you are going to try and do tire work with 10-hole Budd wheels with hand tools then you really need to invest in a torque multiplier.
https://www.amazon.com/Neiko-03715B-...que+multiplier
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Old 08-13-2018, 03:18 AM   #12
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Originally Posted by cowlitzcoach View Post
That is a really nice looking Chino built Crown Supercoach.

What model number is it?

Do you know what the build number is? It is stamped into a pad located at the edge of the right front fender at about 10 o'clock. That number will tell who ordered the bus and first put it into service.

It looks to be in pretty good condition.

Good luck and happy trails to you!
Thanks! I think the build number is 2A-40- and whatever the code is for the 6-71 turbo. (455) maybe

I don't have the build number but I will look for it next time I go. The bus is currently 3000 miles away from me. I do know that it was ordered and bought new by Fresno Unified School District in 1988 and has a sister bus #79 that was spec'd the same. I was able to win it at auction directly from the school district. I was also able to talk to the head mechanic and he gave me a ton of documentation for it. Including all the parts that have been replaced with the part numbers. It only has about 100k miles since it had an in frame in 2008. The blower and turbo were also replaced at the same time along with just about every major engine part. So I figure if I can get the current problem solved the engine should last until the end of time for my intended use!
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Old 08-13-2018, 03:19 AM   #13
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Originally Posted by cowlitzcoach View Post
By the way, if the air wipers start to give you problems there is a company in OR that make direct bolt in swaps for electric wiper motors. Total cost for the swap, which included everything including switches and wiring harnesses is about $300.00 for both sides.
What's the name of that company? They are working okay for now but it would be nice to know in case of future problems.
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Old 08-13-2018, 03:23 AM   #14
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Originally Posted by cowlitzcoach View Post
If you are going to put an 8D battery on a charger you need to put it on at least 15 amps of charge. With over 1000 amps of cold cranking amps it will take more than three days to fully charge the battery.

If you are going to try and do tire work with 10-hole Budd wheels with hand tools then you really need to invest in a torque multiplier.
https://www.amazon.com/Neiko-03715B-...que+multiplier
I think the charger I had on it is only 10 amps, thanks for the heads up.

That wrench looks like something I need! I didn't originally intend to ever take the rims off myself but I thought I would try to pull the one to bring it somewhere to be fixed. But once the ether trick worked I didn't need to take it off.

Thanks for all the info!
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Old 08-13-2018, 09:49 AM   #15
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wonder if they make loinger handles for that wrench.. my little body weight on a one foot handle still wont give me the torque needed to tighten a hub pilot nut
-Christopher
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Old 08-13-2018, 10:46 AM   #16
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That Neiko multiplier wrench looks OK for cars, but it's completely inadequate for big bus wheels! When dealing with 10-hole Budd wheels you need the big stuff. FYI, I have a 40"-long breaker bar (rated at 1800+ lb.ft.), a Budd socket and a 12" extension, all in 1"-drive, so my weight on the end of the 40" bar gives me exactly 500 lb.ft. for retightening. Getting over-tightened or corroded nuts off is a different story, but a big 1"-drive air impact tool takes a lot of air to run it, and that's about the only way you'll get them off.

For my Sprague HP200 air wiper motors I put an inline oil mist lubricator in each one's air supply: they now work smoothly and powerfully. The driver's-side motor was also leaking internally, but a few new O-rings fixed that - air wiper motors are quite simple to rebuild, and they do work well. My air-operated Sprague washer pump was a problem however - I just couldn't get it to work well, so I now instead have two electric pumps, one for the wiper arm nozzles and one for a new pair of nozzles above the windshields. It works so much better than the old system.

John
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Old 08-13-2018, 11:10 AM   #17
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A less expensive option I saw mentioned someplace and put in my wish list.

https://www.amazon.com/dp/B00G3NA6C0...v_ov_lig_dp_it
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Old 08-13-2018, 08:11 PM   #18
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I'm kind of unclear on how the torque multipliers work. I always thought the only way was to either increase the force on the handle or get a longer handle. Something to the effect of "give me a lever long enough and I can move the world." LOL



How do these torque multipliers work without using a long breaker bar type handle?


Nevermind, just looked it up, they use gear reduction instead of a longer handle. Pretty clever.



https://en.wikipedia.org/wiki/Torque_multiplier
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Old 08-13-2018, 08:55 PM   #19
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Originally Posted by cadillackid View Post
wonder if they make loinger handles for that wrench.. my little body weight on a one foot handle still wont give me the torque needed to tighten a hub pilot nut
-Christopher
You don't use that handle to actually try to remove and torque on a nut. That handle goes down against a solid anchor and it is against it that you are multiplying the torque.

On one side of the wrench you put the socket or the socket on an extension. On the other side of the wrench you put your regular breaker bar/torque wrench/ratchet wrench.

As you apply torque to the wrench on the outside it multiplies the torque inside as it goes out the other side. But the middle has to stay still hence the relatively short length of the handle. The short handle allows you to use the torque multiplier in tight quarters. And it is a shape that can accept a longer handle it the short handle is too short to go up against a solid anchor.
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Old 08-13-2018, 10:51 PM   #20
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I have the second torque multiplier, 60 to 1 gearing, even Christopher could loosen Budd wheel nuts with it
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