What does an equals sign with a slash through it mean in algebra? it means: does not equal to it mean that it is not equal to that, like 4a isn't equal to 5g.hat does an equals sign with a slash through it mean in algebra? it means: does not equal to it mean that it is not equal to that, like 4a isn't equal to 5g.
Steps to Clean the Vacuum: 1  Unplug the vacuum. 2  Remove and empty the vacuum canister or remove and replace the vacuum bag. 3  Clean the vacuum filter and rinse the canister with water if needed.  Straighten a wire hanger and use the hanger to poke through any clogs in the vacuum hose if needed.
How to Vacuum A/C Lines. 1  Turn your A/C unit into the Off position. 2  Remove the service valve caps, using a wrench. The two gold-colored valves are located on the refrigerant lines, where the lines enter the condensing unit. 3  Install the refrigerant manifold gauge hoses onto the service valve lines of the A/C unit.