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cat 922b wheel loader - transmission problem

cat 922b wheel loader - transmission problem

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squiggle73j
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Working on a 94A wheel loader which has been laid up for many years, overhauled the engine and other minor parts, when it ran again the transmission is very sluggish in all speeds/ranges. I checked the pressures and these were down to 180 psi so adjusted up to 215, as per the specs. Next bit was the torque converter relief valve, tested off the machine and it seems to be operating to specs. Any advice/ideas? Thanks, John
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Sun, Apr 16, 2017 4:43 AM
squiggle73j
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Also, changed oil and filters, the old oil was clear with no metal in it.
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Sun, Apr 16, 2017 4:44 AM
ccjersey
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Neither of the ones I have run is very snappy. Takes keeping them revved up to get them to perform adequately. No spinning a wheel unless its muddy. That is mostly a 944 and a little bit with a 59a 922b. Steering went out on the 922 not long after we got it going.

There is a suction strainer that will be plugged with clutch material if there is a major failure.

Make sure there is a cab on it or the plug that covers the center of the steering column is in place so water cannot go down the hollow column and get into the stearing gearbox.
D2-5J's, D6-9U's, D318 and D333 power units, 12E-99E grader, 922B & 944A wheel loaders, D330C generator set, DW20 water tanker and a bunch of Jersey cows to take care of in my spare time😄
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Sun, Apr 16, 2017 5:39 AM
old-iron-habit
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Reply to ccjersey:
Neither of the ones I have run is very snappy. Takes keeping them revved up to get them to perform adequately. No spinning a wheel unless its muddy. That is mostly a 944 and a little bit with a 59a 922b. Steering went out on the 922 not long after we got it going.

There is a suction strainer that will be plugged with clutch material if there is a major failure.

Make sure there is a cab on it or the plug that covers the center of the steering column is in place so water cannot go down the hollow column and get into the stearing gearbox.
My 922A is not what I would call snappy either. It will however fill the bucket with pit run digging into a bank. It will not spin the wheels in gravel either.
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Sun, Apr 16, 2017 6:11 AM
mog5858
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Reply to old-iron-habit:
My 922A is not what I would call snappy either. It will however fill the bucket with pit run digging into a bank. It will not spin the wheels in gravel either.
i find my 922B to be more of a lumbering giant. but can spin the tires but they are bald as well but you do have to get after her a little if you want to her to move. can't remember if i was told or read but the 922 was made as a yard loader and not really made for digging for a face or pit. for loading trucks but i have dig some pit run it's a bit of a work out. sorry but this dose not really help. i use 1 most of the time
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Sun, Apr 16, 2017 8:57 AM
rusted
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At the risk of asking the obvious, did you run it long enough to get the trans up to operating temp?. They can be a bit of a slug until the oil warms up, but after that it should respond well.
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Mon, Apr 17, 2017 8:06 AM
squiggle73j
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Reply to rusted:


At the risk of asking the obvious, did you run it long enough to get the trans up to operating temp?. They can be a bit of a slug until the oil warms up, but after that it should respond well.
Thanks for the reply/advice, the answer is no, because I have been working on many parts of the loader, almost all the brake lines and air lines, hydraulics and electrical, all these jobs have followed a major overhaul on the engine. I have finished everything today and will be taking it out to a limestone pit to run it in, then onto the farm for load shifting at my sawmill. This machine is actually going to do some work! I will post a few pics and see how it performs with the transmission up to operating temperature. Cheers from Australia, John 😊
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Mon, Apr 17, 2017 3:39 PM
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