MINSK MOTOR PLANT Minsk Service Manual download pdf (Page 70)

245S3A М – 0000100 РЭ

-set a governor control lever to the position of max. fuel supply;

-detach a high-pressure pipe from the fitting of pump first section and connect an

ignition tester instead (a captive nut with short pipe, to which a glass pipe with inner

diameter 1-2mm is connected through a rubber pipe, fig.21);

1 – glass pipe; 2 – rubber adapting pipe; 3 – segment of high-pressure pipe;

4 – washer; 5 – nut

Figure 21 – Ignition tester

-turn the engine crankshaft clockwise with a wrench until fuel without air bubbles

appears outside the ignition tester glass pipe;

-release some air from the glass pipe by shaking it;

-turn the crankshaft back (contraclockwise) by 30º-40º;

-turning the crankshaft clockwise slowly, watch fuel level in the pipe, as the fuel

starts going up stop turning the crankshaft;

- screw the detent out of threaded hole of rear plate and insert it with its back side

in the same hole until it stops against the flywheel (Figure 22), herewith the detent shall

coincide with the hole in the flywheel (this means that the first cylinder piston is set in a

position, corresponding to the fixed fuel injection angle given in table 13);

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MINSK MOTOR PLANT Minsk Service Manual Page 70