Fluid Lines And Fittings Flashcards
1
Q
How tight should an MS flareless fitting be tightened?
A
Tighten the fitting by hand until it is snug, and then turn it with a wrench for ⅙-turn to ⅓-turn. Never turn it more than ⅓-turn with a wrench.
2
Q
What damage can be caused by over tightening an MS flareless fitting?
A
Over tightening it drives the cutting edge of the sleeve deep into the tube and weakens it.
3
Q
What kind of rigid tubing can be flared with a double flare?
A
5052-0 and 6061-T aluminum alloy tubing in sizes from ⅛-inch to ⅜-inch OD.
4
Q
What should be done to the end of a tube that is to be flared?
A
The cut end should be polished to remove any sharp edges that could cause the tubing to crack.
