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Old 11-01-2007, 11:01 AM
diggerdave65 diggerdave65 is offline
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Crank with a worm gear???

Hi guys--- I have a Kohler (horiz shaft, Spec 30821, Model k181RT, serial 14070356) that runs great..but poses a challenge as I try to re-use it on a log splitter. Originally it was on a commercial lawn aerator and came with a “reducer” attached to the engine. I have no need for the reducer so naturally I took it off – expecting to see some sort of gear on the crank that I could just take take off. Well wouldn’t you know it the crank is actually the gear – meaning the end of the crank is machined like a worm gear. First time Ive ever seen one cut like a worm gear. Anyway- Do you think I’d have any problem using a smooth faced Lovejoy connector (with set screw) on the worm gear?? ( I don’t recall the crank diameter. ) Or can you guys think of any other way to connect it to the splitter pump?? thanks dave
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Old 11-01-2007, 11:21 AM
DOLMARatOS DOLMARatOS is offline
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Chances are that the end of the crank is not a gear. Should be a pressed on gear as the crankshafts are not hardened. Otherwise. I'd say to pull the crank, have it machined down and a key broached and then stick your coupler on it.
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Old 11-01-2007, 01:10 PM
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Restrorob Restrorob is offline
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You may have a problem finding a Lovejoy connector to fit that worm gear, It is most likely a odd size.

Looks like as DOLMAR stated or find a good used standard crankshaft.
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Old 11-01-2007, 01:14 PM
DOLMARatOS DOLMARatOS is offline
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We've neglected that with the proper amount of the handy-man's secret weapon, anything can be accomplished. Duct-Tape!
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Old 11-01-2007, 10:56 PM
Leaf Jockey Leaf Jockey is offline
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Just weld the lovejoy coupler to the crank and be done with it. Use a garden hose to put water over the crankshaft near the bearing and seal. This will carry damaging heat away. I've had to do this many times on emergency repairs. They usually end up being long term repairs and don't cost anything extra if the other option is buying new parts anyway.

Scott
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Old 11-01-2007, 11:03 PM
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DUSTYCEDAR DUSTYCEDAR is offline
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yeah weld it sounds good
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