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Antique Caterpillar Machinery Owners Club
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D6-9u 3372SP value
D6-9u 3372SP value
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Posts: 34
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Thank you received: 7
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1 year 7 months ago #246856
by Bennett53
Well after doing some more investigating it would appear the the right side steering clutch is shot. I also drained the final on the right side and was sad to see the amount of metal in the pan. I now have to decide the course i will go. I can source a lot of the parts however im not even sure where to start looking for the puller/press do accomplish this. What is the thought here? Im not afraid of the work im just not sure how one would go about it without the press.
Thanks everyone.
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1 year 7 months ago #246862
by ctsnowfighter
Press/puller --- the ones I recall were a "porta-power" with long hoses so one could be on the opposite side of the machine when applying the pressures.
When the sprockets, bearings, etc. let go - you will certainly know it! Remember to always leave the "nuts" on the shafts - they need to be lose enoght to let things "break" but they are the only "insurance" you have of preventing those piece from leaving with enormous power!
I would say be "respectful" of those pressures but maybe SCARED would be a better adjective.
I would hesitate to use anything other than tools made for that job, not something cobbled in a home shop with unknown testing for strength.
CTS
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Bennett53
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1 year 7 months ago #246864
by Deas Plant.
Hi, Bennett53.
Your average friendly local 'porta-power' is not going to remove/replace the sprocket. I don't have the exact figures to hand but would not be surprised if it is up in the 40 - 50 ton range to press the sprocket back on. Yes, it is basically an overgrown porta-power with "overgrown" being the operative word.
Some Cat dealers would hire the right gear out and some would want one of their technicians to accompany it and do the actual pressing off and on - been a LONNNNGGG time since I did one.
Just my 0.02.
Just my 0.02.
You have a wonderful day. Best wishes. Deas Plant.
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Bennett53
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1 year 7 months ago #246865
by Bennett53
Thank you ctsnowfighter and i do want to clarify when i say not afraid of the work. That amount of force one must be careful and have plenty of help. I like to have an extra set of eyes.
Deas Plant if i recall the service manual called for like 30 to 50 tons of press power. However i may be mistaken i will have to look this evening. I was just wondering if anyone had had success with a porta power etc. As i dont see any 6F25 service presses for sale.
Thanks
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1 year 7 months ago #246866
by juiceman
We have a 9U here with a broken sprocket here, and waiting on the mechanic with the BIG portable to pull off and press back on. Seems there is a set here on the Delta that gets shared amongst 3 wrench guys.
Yes, a dealer should be able to send an hourly guy to do yours, but in shop for them is easier and charge less often. JM
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1 year 7 months ago #246867
by neil
You can buy generic 50t rams online and the pumps to operate them. The more complex step is to make the adaptors that you need for the application as they need to be fit for purpose; dimensionally and capacity. This is what I did for the pressing jobs on my tractor. With the number of items I had to press both on and off, making the purchase was cost-effective
Cheers,
Neil
Pittsford, NY
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1 year 7 months ago #246871
by ctsnowfighter
Those "specialized hydraulic tools" are purpose built wtih the necessary tooling to accomplish the intended tasks.
Again - the forces required are tremendous --- and as some here say in the 50 + ton range. When I worked in the cat shop - everyone was told when someone was starting the process of pulling sprockets, etc. Just one of the precautions as sometimes when they let go, it was quite a bang and often the tooling might slip as tension was lost.
Nothing to take chances with, certainly not something I would do with makeshift gear.
Caterpillar Tools were specifically made to accomplish those tasks, and yes - they are probably most difficult to come by and if found will be expensive.
STAY SAFE!
CTS
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1 year 7 months ago #246872
by Deas Plant.
Hi, CTS.
AMEN!!!!!!!!!!!!!!!!!!!!!!!
Hi, Folks.
What he said.
Just my 0.02
You have a wonderful day. Best wishes. Deas Plant.
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1 year 7 months ago #246876
by ctsnowfighter
PROVOKING SOME THOUGHTS!
THANK YOU each and all for your participation in this hobby and effort to help each other in this forum. Your input and advice is is a knowledge base without limits!
Share your experiences, share your knowledge!
Many of us in this hobby and many of us that look back upon experiences realize there is nothing about working on or operating heavy machinery/equipment that is fully safe or foolproof!
The "attitude" of "get 'er done" comes with a price and fortunately (with exceptions) most of us got away with some very ill advised operations - ME INCLUDED!
Sometimes the "injury" was incurred from the wrath of another person observing the operation and stepping in with fear in their eyes and fire emmanating from their lips!
Those were in all likelyhood "life saving" efforts and memories I will carry forever! (scar tissue on the backside!)
Improvised tooling (why did I use that adjustable slip-always wrench instead of the socket or box end) and WE have seen those special home built tools fail more than once.
High pressures are nothing to dismiss lightly, they are extremely dangerous, it does not make a difference if from friction fits, compressed gasses, or pressurized liquids.
The ENERGY is there - not unlike a loaded spring, just waiting to be released.
So here is the magical question: At what cost do we subject ourselves to in taking un-nessary risks and shortcuts in pursuit of a hobby? Or even for our livelyhoods?
It is one thing to do something knowing the dangers - another to disregard those knowns!
I will offfer a quote - was from a poster published by California State Compensation Insurance Fund - on the grinder where my Dad worked, I will never forget what it said, but have I religiously met the requirements - UM not every time! "YOU CAN WALK ON A WOODEN LEG; YOU CAN HEAR WITH A HEARING AID; BUT YOU CAN NOT SEE WITH A GLASS EYE"
Many here have been in the trades, worked the professions, freely offer sound advice - Why? Because they know and care --- they do not want to see anyone hurt!
Safety starts with YOU - you are your keeper, take care of YOURSELF - the envelope you make around yourself will encompass many others.
"keep 'em crawlin'"
CTS
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1 year 7 months ago #246879
by juiceman
Yeah, my own personal thoughts say don't try pulling the sprocket with a homemade tool; I watched the "experts" do it, and like CTS, they all ducked for cover, as one cannot know what to expect each time. One day it might come off easily as a "popcorn fart" and other times fight you and come apart like a bomb.
I like that insurance poster. I am guilty of being lazy and not always putting on my face shield or helmet.
Thanks fellers for helping this gentleman. JM
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D6-9u 3372SP value
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