I have a K348-7 mower deck which I purchased in 1981 and it is still giving me good service coupled with my B2920 . Recently I bent one of the blade holders while mowing paths in my field when I hit a rock. I found a replacement part (70080-00100) but I have a question about removal of the damaged part. Has anyone ever dealt with this part change? The parts diagram shows the blade holder is on the shaft with a woodruff key and apparently held in place by the blade and nut attached below it. As my deck is 45 years old and kind of rusty in this area, I am wondering how the blade holder is supposed to come off the shaft? It certainly is tightly on there and doesn't move at all. Does anyone know how you get this blade holder off the shaft?
K348-7 mower deck
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North Idaho Wolfman
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Thanks for feedback. But unfortunately the outfit that listed having the blade holder available just informed me that it is no longer in stock . Since the blade holder is bent I was now hoping I could just get it off the spindle and then use the heat from my acetylene torch to bend it back straight . Of course having been in place on that spindle for 45 years with rust and all it is not an easy proposition now. Was wondering if a heavy duty hydraulic gear puller would get it off after a good application of Kroil penetrant?
Yes, that’s the company that said the part was available. The day after I ordered it they informed me that the part was now unavailable!
UPDATE: I purchased a hefty two-arm gear puller and found I could get the bent blade holder off pretty easily. I was surprised that after 45 years in place the piece came off the wood-ruff-keyed shaft so easily, very little rust on the shaft. I took the blade holder to my machine shop and they used a heavy duty kind of press to hammer the blade holder not just flat but with slight concave shape. That was so when the blade was tightened back on the shaft, the concavity would provide more tension and stability to the blade in place on the blade holder. Seemed like a nice idea to me and the mower deck is running well again with no funny noises or vibration.