I have borrowed a hydraulic puller a few times. We often use it in combination with the two jaws from a bearing puller. It comes with the two long bolts so it's easy to get it in position. I have yet to defeat it. Sure makes a loud crack when it lets go
Good on Briggs if I can be bothered to borrow it. Usually not worth it.
. No good on PT Victas. Just takes off the flywheel as well then it's impossible to separate them. Norms savage clout on the boss is the only way.
It's not really a press. Just looks like any other puller except the main shaft is much thicker and you just wind a little screw on the centre. I doubt it would be more than 5 tonne.
What really helps is using bearing puller jaws behind the blade boss. The type that comes in two halves with heavy bolts that lock it together. It's mainly used in a press so you can push a bearing or gear off a shaft. Much better than those 3 jawed things.
Perhaps you could do it in your press. Have to find a way of getting the whole engine in Weld up something really heavy that would fit across there. Would have to be a very big press wouldn't it ?
I'm hearing you Jeff, probably just better off cutting/splitting the boss off and put another boss on. The one I was looking at yesterday that prompted me to ask about the hydraulic puller is a Briggs on an alloy base so it has the eared type Victa boss and I don't have any spare ones of those and the seal is starting to leak. I'll just tell him to watch the oil, but this bloke has brought me a few mowers to look at and a couple had no oil in them and one motor was knocking so that one was dumped and another one he brought the other day has no oil and he said it was sometimes making a banging noise
The one I used was similar to the Toledo or Force. Hydraulic puller kit from Trade Tools or similar. The best part is those bearing separator jaws. They really hold well on to the blade boss. eBay had some similar very cheap kits but they are not hydraulic. Those blade bosses should not be all that hard to get off if you can get a good grip behind the boss.
It's easy with the hydraulics bit may not be without them. I noticed one of the Trade Tools ones was 16 tonne.
Thanks Max, might as well just buy one, only for a stinking old Briggs, not worth spending much money on them Jeff, you gave me a bit of an idea, I can probably fit the motor in my log splitter, and that will get them off, bit of a pain that I have to remove the motor from the base but at least that will get me out of trouble.
How would that work? Make up a heavy frame around the motor to support the boss and then push on the end of the shaft, I suppose Need to be a pretty heavy frame . Use one of those bearing separators in the middle behind the boss supported by the frame. I will be interested to see what you come up with. Will the end plate on the log splitter be big enough to fit around the motor? Should work. When their is a will there will be a way.
What about a 15 ton jack pushing between a frame and the end of the shaft. Only thing that needs to be very strong is what ever base you use. Sides only need to be bolts like they are on the hydraulic puller as they are being pulled not pushed.
I will be very interested in what you come up with.
Hi Jeff, had another thought, I have a 6 ton hydraulic jack so I can just use the bearing puller and run the rods each side of the jack with a plate across the end. That will be less bulky and easier to work with than the log splitter
Be careful there are some big forces involved. I have wrecked a jack by overloading it. I was still able to pump the handle but the main shaft bent. You would think that 6 tonne would shift it but I have had them very tight. On one the key sort of jammed. The boss was still Ok though
Photos please.Well if it all turns out well anyway
Jeff, jack only worked horizontally till it came under pressure , so I had to end up sitting it on a workmate type bench so the ram/puller could hang underneath. Worked fine, got it off in a few seconds but the jack was working pretty hard till it got it moving
I'll bet it made a decent crack when it let go. Is that jack only 6 ton. It looks more than that. Must be an oldy but a goody.
Now it's just replace the seal and you are good to go.
What a pity all this ingenuity is on a Briggs rather than something decent. Maybe we will have to get used to them when our 2 strokes run out. They really are not that bad. I lookafter a couple of those Sprint 375's which have been good for many years on big blocks.
Those couple of modified LM carbys I have are still going fine. No issues with the metal needles and new seats either. First pull starts mostly. So is the FC 24 converted to PT.
That motor is a dead one Jeff, just used it to make sure the jack setup would work, just have to try it one one with the motor still on the body to see if I can save pulling the motor off. With the modified carbys I have done, be over 200 of them, very rare to see one back here. The metal needles seem to have settled down problem wise, I had a bad run with them for quite a while, may have been something wrong with some of them. I have gone through about 150 of them so far
That jack setup looks good ,I must have missed that pic in March ,the problem I was having was with the 2 bolts that screw into the bearing clamp, they are Whitworth threads so the bolts used were not high tensile and after a while the bolts would stretch and break.
