Inspection and Adjustment (Contd) SERVO DIAPHRAGM STROKE 1. Connect engine tachometer. 2.. Warm up engine until it reaches Operating temperature. 3, Disconnect rubber hose between servo-dia- phragm and vacuum control valve. Then, connect rubber hose to intake manifold. Throttle opener servo dlauhragm sEc7za 4. Servodiaphragm is functioning properly, if engine speed comes into the specified range. Specified engine speed: 1.650 - 1,850 rpm 5. If necessary, adjust engine speed until it is in the specified range, using servo-diaphragm adjusting screw: '- When engine speed is lower than the pre- scribed range: "' Turn adjusting screw clockwise. When engine speed is higher than the pre- scribed range: Turn adjusting screw counterclockwise. sEc2aoA m EXHAUST EMISSION CONTROL Throttle Opener Control System (T.O.C.S.) Vacuum Hoses The following show the various conditions i connecting emission control vacuum hoses and hoses. Pay careful attention to the remarks belo 1. Hoses are colored according to their functr and purpose as shown below. Yellow: Vacuum line to distributor White: Vacuum line for E.G.R. system Green: Manifold vacuum line Pink: Atmospheric pressure , Insert hose into pipe as shown below. a. When inserting tolerance is not limited. 15 - 10 mm (0.59 - 0.79 in) SE. b. When stopper is equipped. If connector length is under 20 mm (0.79 in \\\\\\\ Insert pipe unlil it stops. SE c. When pipe has a bulge. 4C Insert hose up to bulge. s: