That is essentially what I built a couple of years ago. It works great. Charlie, the swivel sounds like a good idea. What kind of a swivel did you use (picture, please)?

Since I need the bleeder only every couple of years, I remove any remaining brake fluid and wash out the tank so that it is stored clean and dry.

Jeremy

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970