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how do I drain my BGB??

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OK, I've checked the manuals and looked on my 916H and 7119 and cannot for the life of me find a drain plug. I've taken out bolts that look like drains, but still can't drain either BGB. Am I missing something, or do I have to take the whole plate off the back? Thanks in advance for any advice. -Steve

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When I drained the BGB on the newer tractors without a drain plug, I've loosened all bolts with the lower ones almost out of the threads. I then inserted a flat blade screw driver in the gasket space and carefully pried the bottom part of the cover open allowing the fluid to drain. Poured in a little fluid as a flush, let drain again, then tightened the bolts. So far I haven't had to replace the gasket, but I have one on hand just in case.

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Ronald Hribar
We have a machine that does NOT have a drain plug either. I asked supplier for advice on how to drain oil. They told me rotate gearbox, and let it drain out fill hole. That was not practical either. I asked if they changed oil on their car that way. Drilled and tapped a drain hole.Made life easy.

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is draining/filling the BGB something you do on a routine basis? I can see once w/ an unknown old tractor but don't otherwise see the point. (unless of course it is generating metal filings, but that's another issue) -Don

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