2. Connect the tachometer.
3. Start the engine again.
4. Adjust the rotation speed to match the manipulator's activation (positioner) throttle valve (TP), observing the following sequence:
a) Disconnect the vacuum hoses from the filter and TP diaphragm.
b) Using another hose, connect the filter and the TP diaphragm.
c) Increase the engine speed to 2500 rpm for a few seconds, release the throttle and check the speed value corresponding to the moment the manipulator is turned on (positioner) (1400 rpm).
d) If necessary, adjust the rotation speed with the adjusting screw and repeat the check.
d) Connect the vacuum hoses to the filter and to the TR diaphragm.