Refrigerant oil can be added to the AC in a number of ways. It is common to add the oil directly to the AC components…

Charging the AC system with a small can and a DIY hose connection is the least accurate method available. There are a few different styles…

Charging the AC system with small cans using a manifold set and a can tapping tool is sometimes used. This method is not an accurate…

Charging the AC system with a large container of refrigerant along with an accurate weight scale and manifold set is a reliable technique. This method…

1. See the previous steps on pulling a vacuum with an AC machine. These steps should be followed prior to charging the system with refrigerant.…

Charging the AC system is a reasonably easy task when using an AC machine. The key to making a quality repair that will provide lasting…

A pneumatic vacuum pump is a very economical choice for pulling a vacuum on an AC system. This type of pump uses shop air pressure…

Using a high-quality electric vacuum pump along with a manifold set is another good method for evacuating the AC system. This method of pulling a…

1. Connect the blue service hose of the machine to the low side service port and turn the blue knob clockwise to depress the check…

The AC recovery/recharging machine has a built-in electric vacuum pump that pulls an excellent vacuum on the system without having to connect external hoses or…