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Old 08-26-2017, 07:39 PM   #101
Bus Geek
 
Join Date: May 2009
Location: Columbus Ohio
Posts: 10,060
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
so i must ask if the 2 bolts which dont line up are nextr to each other... and if so is it possible the converter sagged because of the pilot size mismatch? where if you loosened out the other 4 by a couple turns. would the converter be moveable such that it would then center up on all 6.. and you could tighten all down then in an every-other-one pattern through 5 rotations of the engine.. which is how I tighted mine down.. I inserted them all.. then went back and tightened every other one.. which took 2 revolutions... then I checked them all again every other one... 2 revolutions.. (total of 5 revs)

-Christopher
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Old 08-26-2017, 08:29 PM   #102
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Join Date: Apr 2013
Location: Colorado
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Year: 1993
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the holes are not next to each other. i believe its 3 then a hole, 1 and a hole.

there is not much room to have a loosened bolt make the round on the flywheel. they have to be almost flush to clear the flywheel housing. i will try to center it like you say.... 2 revolutions around, hold my tongue just right and keep fingers crossed.

X2 on finding parts for a 1545. i think it'd be tough. "Discontinued" was the word i kept hearing from my part guys. Chris understands the differences better than I, but i think an MT643 would be an easier swap. at least they had been mated by a factory engineer and not a backyard mechanic.

i needed a breather for the 1545. unable to find one (discontinued), i found a transmission vent from a mitsubishi eclipse that i was able to retap the thread and fit it into the 1545 body.
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Old 08-26-2017, 09:47 PM   #103
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Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
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Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
the biggest issue with swapping in a 643 is the weight... a 643 is a HEAVY beast... I think I read where the 643 Must have a full cross member or auxilliary mlounted device of some sort.. which means making one or finding a bus like the one being swapped into and snagging the cross member...

-Christopher
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Old 08-27-2017, 10:41 PM   #104
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Join Date: Apr 2013
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good news! bad news!

the good news is:
its back together and the bus moved on its own power.

the bad news:
i've misplaced a retaining clip that secures the modulator. so except for that, its finished. i hope.

its a tight fit, the flex plate is on the verge of being bound up. if anything, that hub could be shorter - imo. idk.

we tightened the case bolts first and then the flex plate..... that was bound up and unable to spin by turning the alternator.
we loosened both back. did the flex plate first and then the case and the flex plate would still spin.

i put a hole in one of the hoses and need to replace it. and i need to find that retaining clip.
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Old 08-27-2017, 11:46 PM   #105
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Join Date: May 2009
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Fantastic that it's coming together!!!

Is it the electric modulator? If so I might have one of those clips that fits a 545 if it's the same kind. I can look if you want
Christopher
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Old 08-28-2017, 12:05 AM   #106
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thank you Chris, i may take you up on it.

I'm going to search good tomorrow and if i don't find it, i'll order it or try and get a hold of you.

it looks kinda of like this:
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Old 08-28-2017, 08:52 AM   #107
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Join Date: May 2009
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Chassis: International 3800
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Rated Cap: 7 Row Handicap
I know exactly this piece.. and I think I saved mine.. i sent my old 545 down the poike the other day. but i saved the modulator and a few brackets and such.. I believe this part i saved too..

make sure your electric modulator is good! or is yours a mechanical cable type?
-Christopher
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Old 08-28-2017, 01:29 PM   #108
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Join Date: Apr 2013
Location: Colorado
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i found it.

it got swept up in a box of floor dry. i think i used 20 pounds of floor dry for the swap. glad the floor dry was piled up and not tossed into the trash yet.

lucky day. now just to replace the broken hose and she should be good.
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Old 09-01-2017, 12:44 AM   #109
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Join Date: Apr 2013
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i got the modulator clip installed and now i'm waiting on a fitting for the transmission hose.

i re-routed the trans lines (probably how i damaged the one) but that line goes from the trans to the big cooler first. when i first installed the cooler, i had trouble since it was a metric cooler and i had JIC flare fittings.
anyway, i had to order a metric M20 to JIC 10 adapter. that got me fixed up once.
here is the outlet of the big cooler with the metric adapter from my install a year ago.


i will copy that for the input side. now the input side has a metric banjo fitting and i'm waiting on the adapter. so i will delete this piece and replace it with a short 90* hose. my temp sensor was in there too. i broke it by pulling out one of the wires. it think when i get it replaced, i'll put it in the pan in an unused bung.


here you can see where the old tube fit in and i'll need a short jic 90* female and a male.
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Old 09-12-2017, 09:39 PM   #110
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Join Date: Apr 2013
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Engine: 5.9 Cummins, Allison AT1545
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IT MOVED!!!

i took it out on the road today. got up to 65. and came back home.





seems to work, i still got some adjusting to do. but it worked.

i had been waiting on a metric to JIC fitting that came in at napa today. you can't see it, but the shiny elbow on the right is attached to it and now the hydraulic lines are complete again.



no leaks
i filled it with fluid and tried it out.

no hiway time yet, maybe tomorrow. it shifted at least to 4th.

the speedometer doesnt work anymore. at my fastest, it only said 20mph, the gps had me at 68.

i played with my AFC again while it was sitting there and ground down the foot. i need to readjust the star wheel and smoke screw now, it seemed lugged down as i was driving.

i ordered a new trans temp sensor and it is not here yet. i took the plug from the old transmission and tapped it to fit the sensor. when the new sensor comes, i will get the pan temp.

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