Delay valve

1. You make check of operability of the valve of a delay on the cold engine. Include ignition, without starting the engine. Disconnect longer vacuum hose from the case of the carburetor and create in it depression. In the first 5 - 15 seconds through the valve there has to pass air then the valve has to be closed. If air passes through the valve constantly or does not pass absolutely, the valve is faulty and is subject to replacement.
2. Remove a short curved vacuum hose from the valve basis. Disconnect the electric socket from the valve.
3. Unscrew the screw and remove the delay valve from the carburetor.
4. Installation is made in the sequence, the return to removal.