The air bleed screw should be closed by turning 1/2 turn clockwise.

As a side note, this bike was always set up with the air bleed screws turned in full closed.

The bleed screw must be closed before releasing the pedal.

An integral air bleed screw makes idle speed easier to control.

When liquid begins to flow out, all air has been removed from the system and the bleed screw is closed.

Bleed screws are also found on some pump types fulfilling a similar purpose.

The brake bleeding screws were removed rendering the brakes useless.

Close the bleed screw before brake pedal is released.

In those cases, individual bleed screws on each radiator, or high pipe run, are opened manually.

Check that the bleed screw is finger tight.

Plus-Gas and heat got them shifted, but one of the bleed screws was pretty mangled.

Engine cooling systems can also have bleed screws.

Loosen the air bleed screw on top of the radiator and the thermostat housing.

Just switch the inlet and bleed screw fittings and you are ready to go!

Be sure that the bleed screw is open enough to allow a steady flow of fuel through the fuel control tap.

Have one person open the bleed screw while another person slowly depresses on the brake pedal.

A brake bleed screw is normally mounted at the highest point on each cylinder or caliper.

It is inserted into the protrusion, mates with the bleed screw and turns it.

A bleed screw allows pressure to be vented so the bonnet can be safely removed.

Fill the header tank until full or until coolant runs out the bleed screws.

On GustavM brakes always fit a new crush washer to the bleed screw.

When it is free, replace the pump, open the isolating valves, and bleed screw before restring the power supply.

To change a left hand to right hand caliper, all you do is swap the bleed screw with the inlet fitting.

The pump and hold method, the brake pedal is pressed while one bleed screw at a time is opened, allowing air to escape.

On a home radiator unit, the bleed screw can be opened, usually by means of a key, to allow unwanted air to escape from the unit.