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How do you seal a leaking pto gearbox?

Updated: 10/22/2022
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14y ago

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Some gearboxes on pto driven attachments may leak around the seal due to pressure buildup during use. A small brass draincock NPT threaded can be substituted for any plug that is horizontal and at or above fill level. The advantage of the drain over a drilled hole with a cotter pin in it is that you can close the hole during periods of non-use, miinimizing contamination opportunities to enginer hours only.

While the pressure may not provide a constant back-effect to infiltration while the drain throttle is open, the design alone provides some protection against constrant infiltration of matter.

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Q: How do you seal a leaking pto gearbox?
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