814 Repair Manual — Volume I — Page 118

2 OPERATION No.D. 173-0 : Checking and adjusting the petrol pump Il. CHECKING THE FUEL PRESSURE USING THE 4005-T TESTER (on vehicle). 1. Place the tester on the vehicle : a) Disconnect the fuel conduit from the and connect it to the fuel tester (2) on «c». b) Connect the conduit «a» from the tester (2) to the manometer. c) Connect the conduit «b» from the tester, to the d) Loosen the thumb screw (1) about one and a half turns. Start the engine.