Posted by KenW on Tuesday, February 08, 2005 at 9:24PM :
In Reply to: OT: Floor Jack Repair, Craftsman 3.5 ton posted by Will (in MI) on Tuesday, February 08, 2005 at 7:59PM :
I have the exact same jack and I can't find the manual either.
I was going to suggest, like Chris already did, that it was the rubber plug on top of the cylinder.
I've had this jack for about 6 years now, and I'm very pleased with it.
Ken