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06savana
220 Posts |
 Posted - 02/23/2010 : 21:35:29
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I talked to the factory today and I believe the drive shaft was out of phase, so that means it definitely was out of balance. The yokes should be lined up. The donor drive shaft was pulled apart at the spline when it was towed and I can not find any marks on it so I do not know which way to put it back together. I think I would have it balanced even if it was together right. Closes place to get a drive line balanced is 200 miles away so will have to make a road trip. Will be checking all my drive shafts.
Donor box is out will clean it up tomorrow.
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Speedy
Canada
4194 Posts |
Posted - 02/23/2010 : 22:01:49
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| Have you gotten your beat-up air and electrical sorted out? |
If you can't fix it with a hammer....you've got an electrical problem. |
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b.alto
USA
1001 Posts |
Posted - 02/24/2010 : 06:31:32
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| On my old Schwing I was getting a slight vibration through the shifter. When trouble shooting I gave the drive shaft a good push and noticed about 3/8" play in the yoke. It turned out to be the big nut behind the u-joint was loose. Its good to give the shafts a shake every now and then to look for play, they should be tight. |
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06savana
220 Posts |
Posted - 02/26/2010 : 22:55:53
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No electrical problems. The air lines where broken off at the can they are fixed.
I do check the drive shafts ever once in a while. I even saw that on a pretrip check list one time.
I think it was the out of balance drive shaft. After reading on the internet and talking to some people it is plum scare what an out of balance drive shaft can do. Can break anything from the fan to the rearends and everything in between. |
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ericicf
Canada
1164 Posts |
Posted - 02/27/2010 : 08:04:10
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Travelteck..
.Savana's trouble makes me wonder about our transmission to steibel box drive shaft.
Our machine is a TVS 28 11 on an "84 Int.
Since we got the machine we've had the input driveshaft off twice.
The first time was to service the Steibel, the second time to replace the universal joints.
The shaft appears to be splined allowing for extension/retraction...but...it is frozen.
The out put shaft from the Steibel to the rear ends has travel.
It would strike me that the input shaft and the output shaft should both have travel?
We have eliminated quite a bit of lost motion with the previous work and are going by the
"if it ain't broke, don't fix it theory"...but I am bothered by what Savana's had happen :-)
So, what's is the correct situation ?
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Speedy
Canada
4194 Posts |
Posted - 02/27/2010 : 09:52:42
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| There should be linear movement there to allow for installation/removal and to compensate for the movement between engine/transmission and Stiebel box on their mounts. You said that there is some movement, but not enough in your opinion? |
If you can't fix it with a hammer....you've got an electrical problem. |
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ericicf
Canada
1164 Posts |
Posted - 02/27/2010 : 11:24:23
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No movement on the front/input shaft...lots on the output.
No grease fitting on the input shaft splines.
Either its frozen tight from lack of grease, from just sitting around..or it was never designed to slide,
Nav told me the pump sat in Alaska for a whole year as a back-up pump on an Airport job.
We've sledged on it and can't get a budge.
If it was meant to have travel, we likely will have a new shaft built. |
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Speedy
Canada
4194 Posts |
Posted - 02/27/2010 : 12:05:18
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Maybe somebody else with the same vintage pump and chassis can comment.
Ed, what's your set-up like on the input side of the Stiebel?
Where's Boomdriver? Haven't heard from him in a long time. I miss him!! |
If you can't fix it with a hammer....you've got an electrical problem. |
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Godfather
USA
1909 Posts |
Posted - 02/28/2010 : 09:19:32
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Another look at the pic of the Steibel Box:
Everything looks super clean. No evidence of road grimes, sludge, or OIL in the pic.
Could this box have been run without oil in the case, or did you steam clean // pressure wash the area before you took the picture? |
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06savana
220 Posts |
Posted - 02/28/2010 : 09:50:18
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| The picture of the stiebel box is after I pressure washed it. That is the first thought that came into my mind as I do not check the oil very often. But no the very expensive synthetic gear lub was running out of hole in the box. |
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biged
3088 Posts |
Posted - 02/28/2010 : 16:59:13
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| I guess I'm not sure what you mean, gear is operated by air remember when I replaced the shift fork and the gear,mine had oil in it but when it was rebuilt they put synthetic gear lub inplace of reg oil, as far as travel on the input shaft I don't know,I guess I better check and see if it has grease fittings. |
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ericicf
Canada
1164 Posts |
Posted - 02/28/2010 : 17:14:33
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b.alto
USA
1001 Posts |
Posted - 02/28/2010 : 18:51:33
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| Savana, if the bearing was bad and that big hunk of metal (almost looks like a harmonic balancer) next to the universal yoke was shaking around that would put one hell of a stress on the aluminum housing. |
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curlyred
86 Posts |
Posted - 02/28/2010 : 19:11:24
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| Bad u joint? Was it ever greased? Was the slip joint ever greased? Did it bounce off the pavement and finish off the Stiebel 4194 and A7VO pumps? I have seen this violent act from a s45sx, and it was not pretty! |
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06savana
220 Posts |
Posted - 02/28/2010 : 20:26:34
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Bearing seems to be alright spins freely and does not appear loose. The large chunk of metal is the adapter from the stiebel box to the yoke.
Drive shafts were greased 131 hours ago. The gear lub in the box was changed 1368 hours ago. Front drive shaft is greased ever 100 to 150 hours. Rear drive shafts are greased at 300 hours, around 5000 miles.
Now what are you implying curlyred. |
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Friday Afternoon pour????
