Warm up the engine to working temperature. Connect a stroboscope according to the instruction. Rasstykuyte I will corrode the sensor of provision of a butterfly valve. Start up the engine and leave it to idle. Check a corner of an advancing of ignition, directing a lamp beam on the labels put on a pulley of a cranked shaft
(fig. 2.96). If necessary weaken fastening of the distributor of ignition and, turning the distributor, establish a corner of an advancing of ignition according to recommended value. Tighten fastening of the distributor of ignition. Again check a corner of an advancing of ignition and disconnect a stroboscope. Join the socket of the sensor of provision of a butterfly valve.