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09-15-2015, 05:59 AM
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#21
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Bus Crazy
Join Date: Dec 2014
Location: Dowdy Lakes, Colorado
Posts: 1,444
Year: 1989
Coachwork: Thomas
Chassis: Saf-T-Liner ER
Engine: 3208 CAT/MT643 tranny
Rated Cap: 87
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In Texas, it's .25 of an inch if I remember correctly.... As I posted earlier, ALL the buses I drive have NO play at all.
__________________
Firearms stand next in importance to the Constitution itself. They are the American people’s liberty teeth and keystone under independence. — George Washington
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09-15-2015, 08:09 AM
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#22
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Skoolie
Join Date: Jul 2015
Location: Farmington, IL
Posts: 187
Year: 1990
Coachwork: Blue Bird
Chassis: AARE 3903
Engine: Cummins 6CTA 8.3
Rated Cap: 84
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It's 10 degrees. That translates to about 2 inches on a 20 inch wheel. Any more and a big rig fails inspection, out of service! There's a reason it fails inspection; it is not safe! Your bus shares most of the same steering components as the big trucks. If it's not safe for a big truck, it's not safe for your bus either.
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10-20-2015, 08:47 PM
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#23
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Mini-Skoolie
Join Date: Oct 2015
Location: Oregon
Posts: 45
Year: 1978
Coachwork: Carpenter
Chassis: IH Loadstar 1600
Engine: 345 v8
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Assuming this is way to much play... when I do that, the steering wheel doesn't move. Or does the engine need to be on, to create pressure???
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10-21-2015, 01:52 PM
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#24
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Bus Geek
Join Date: May 2014
Location: West Ohio
Posts: 3,707
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
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I don't know if I'm reading you right, when you twist that shaft, the steering wheel doesn't move? Looks like you have a 1/4 turn of play? Either way, that amount of twist is beyond excessive and close to being dangerous. Have the gearbox gone through and try to clarify what you meant about the wheel not moving.
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10-21-2015, 02:17 PM
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#25
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Bus Geek
Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
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Ouch! Can't recall ever seeing that much free play without the gear engaging. If the the pitman arm does not move with the shaft from the wheel, there is an enormous amount of wear/play in the gearbox itself. That definitely needs tending to. Time to replace it all most likely. Any heavy duty wrecking yards nearby?
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10-21-2015, 04:55 PM
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#26
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Mini-Skoolie
Join Date: Oct 2015
Location: Oregon
Posts: 45
Year: 1978
Coachwork: Carpenter
Chassis: IH Loadstar 1600
Engine: 345 v8
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That is correct, while rocking it back and forth the steering wheel does NOT move...
So new gearbox ya say?? Ill have to look around about the heavy duty wrecking yard. Im not certain. Think that would be a fairly easy find?
Thanks for the input Booyah & Tango
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10-21-2015, 06:28 PM
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#27
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Bus Geek
Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
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You might check with some International or other truck service companies to see if there is a rebuilder in your area. Would be cheaper than all new but likely more than a used unit. There are a couple of shops here in Houston that rebuild medium to heavy duty gear boxes. If you go used, be sure to check it out as best you can. Like I said, the pitman arm should move right along with the wheel shaft. Mine is a used Isuzu but it has pretty much zero play and moves smoothly all the way from stop to stop.
Good luck with the hunt.
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10-21-2015, 08:45 PM
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#28
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Mini-Skoolie
Join Date: Oct 2015
Location: Oregon
Posts: 45
Year: 1978
Coachwork: Carpenter
Chassis: IH Loadstar 1600
Engine: 345 v8
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Good call! There's a local International dealer/shop called Brattain International. Heard some good things, Ill give them a buzz and see what they say. Definitely need to get this figured out ASAP. I thought it liked to walk a bit more than normal... no more driving for me. Hopefully go the rebuild route if possible.
Thanks,
Trask
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10-21-2015, 10:27 PM
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#29
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Bus Nut
Join Date: Oct 2011
Location: Snowflake, Arizona
Posts: 343
Year: 1996
Coachwork: Blue Bird
Chassis: All American Rear Engine
Engine: C-8.3-300 Cummins MD3060
Rated Cap: 40 Prisoners
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I would do your experiment with the engine running so you have hydraulic
pressure. Some of the play your experiencing could be play in the spool valve
and your play may decrease with pressure on the system. Then I would try
adjusting the gear box if the play is not to excessive when powered up. Just a
thought.
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10-22-2015, 10:04 AM
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#30
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Bus Geek
Join Date: May 2014
Location: West Ohio
Posts: 3,707
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
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Quote:
Originally Posted by Trask97140
That is correct, while rocking it back and forth the steering wheel does NOT move...
So new gearbox ya say?? Ill have to look around about the heavy duty wrecking yard. Im not certain. Think that would be a fairly easy find?
Thanks for the input Booyah & Tango
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You got major problems then. The steering wheel and shaft should move in unison, with no slop at all. Anything else shows worn u-joints in the shaft, which is worse then the play in the gear box.
Get the shaft and wheel solidly connected and then we'll figure out what to do with your gearbox.
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10-23-2015, 01:37 PM
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#31
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Mini-Skoolie
Join Date: Oct 2015
Location: Oregon
Posts: 45
Year: 1978
Coachwork: Carpenter
Chassis: IH Loadstar 1600
Engine: 345 v8
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Misscommunication from my buddy sitting in the bus. The steering wheel moves just fine with the twisting of the shaft... which makes sense because I've driven it multiple times. Haha. So I'll be looking into the gearing as there is definitely a lot of play. Just need some time to work on ol 82 now. Busy busy... thanks for the help!
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10-23-2015, 01:46 PM
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#32
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Bus Geek
Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
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Makes sense to me. From what I could see in your vid, the slop all appeared to be in the gearbox. But...re-check everything after you get the box tightened up. If IT had that much wear, there is a good chance the rest of the system is due for some maintenance (bushings, tie rod end, etc.)
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10-23-2015, 01:57 PM
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#33
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Mini-Skoolie
Join Date: Oct 2015
Location: Oregon
Posts: 45
Year: 1978
Coachwork: Carpenter
Chassis: IH Loadstar 1600
Engine: 345 v8
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The tie rods/bushings seem to be in good shape and all greased up. But im no expert. Probably take it into the international shop and have them give it a once over for me. Will give me some peace of mind.
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