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© 200324 2-11 General XE ENGINE, ENGINE BRAKE CF65/75/85 series 4 10 Disengaging the DEB The solenoid valve (1) is no longer activated. The spring pressure moves the control valve (2) downwards, as the oil pressure under the control valve (2) flows back into the engine through a hole in the solenoid valve (1). The oil from the high-pressure area of the DEB can now escape through a cleared opening above the control valve (2). This is effected by the main piston (4) being moved up by the rocker. The spring plate (5) holds the main piston (4) in its top position. Hydraulic control of the exhaust valves of a compression stroke, optimum use is made of the valve diagram. This means that the DEB uses an exhaust valve rocker of one cylinder to open an exhaust valve for another cylinder. i 400177 7 6 3 2 10 1 4 A 9 5 8 B |