You can use a strap wrench (Amazon links):Alltrade Tools 260194 2 Piece 4-Inch and 6-3/8-Inch Grip Wrench SetThe first is a light duty set; the second might be the better choice. The last two are the 'real deal' -- Ridgid strap wrenches -- for pros. I'm a plumber, or was, many years ago, and have those buried somewhere, if I haven't lost them. But, the pro-type strap wrenches can collapse plastic pipe and fittings in a heart-beat. If you are an actual OV-10 Broncho mechanic, you've already learned to "hold your mouth right", and will have no problem. Otherwise, stick the first two.
Klein S-6H Grip-It 6-Inch Strap Wrench with 1-1/2-to-5-Inch Capacity, Silver/Red
Ridgid 31340 2-Inch Capacity Strap Pipe Wrench
Ridgid 31360 5-Inch Capacity Strap Wrench
Bookmarks