Willl this work

10Deeres

Member
I have an old john deere table forage blower that uses 8 inch pipe. Can I make an idapter to use 9 inch standard pips. I do not hace 8 inch pipe Will it blow ok,not blowing very high.
 
The neighbor in the first year of his 60 upright silo with 9" pipe used dad's old IH 40 table blower that had an 8" outlet and did fine. Fan speed will determine how high it will throw material in most situations.
 
The manual for the IH 40 states the fan turns at 900 RPM (through the gear box) when using the PTO (540 RPM). Belt driven is 800-1000 RPM. I don't know how that stacks up against the JD.
 
I agree with you. One inch is no big deal. Only thing I would advise is make sure you have plenty of air flow or be just a little easy on how much you feed it. Remember...with that reduction at the bottom to a larger pipe, when it plugs up there will be an almost impossible amount of PLUG. Small to bigger is fine, bigger to smaller trying to unplug it is like a check valve. If this is silage you are blowing, take a garden hose and turn it on full tilt. Tywrap it over top of where the table dumps into the blower. That little bit of water makes things more slick. When it was very dry weather making silage the water trick worked wonders. One little tip. At the bottom of the larger pipe you can cut a hand hole door. About 5x5 is just big enough. Make it out of a piece of stove pipe the same diameter. The curve will match up to the blower pipe. Use one of thoses flip latches to lock saftey catches. Like you use on a shed door. Makes it pretty easy to unplug things. FIRST SHUT OFF THE BLOWER. Just unlock the latch, remove that acces pannel, and you can get at the plug.
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The blower I used for years only had an eight inch pipe. My silos all where 9 inch. I just stuck a section of eight inch up the inside of the 9 inch. I never used any kind of adaptor or anything. The one silo is 90 feet.
 

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