TESTING AND ADJUSTING TESTING AND ADJUSTING FOR FUEL INJECTION TIMING 12. Remove delivery valve holder (14) for the No. 1 cylinder of fuel pump (13), delivery valve (15), and spring (16), and then install delivery valve holder (14) again. 16. Tighten 4 mounting nuts (19) of fuel injection pump (13) securely and alternately. 17. After finishing adjustment, remove the adjusting tools and return the removed parts. a Replace the O-ring and copper gasket of the delivery valve with new ones. 13. Remove governor spring (17), and then put the governor lever (18) of the fuel injection pump to the stopper on the FULL side and fix it. k Tighten the delivery valve securely in 3 times.
(If it is not tightened sufficiently, the gasket may be broken.) 3 Delivery valve holder: 39.2 – 44.1 Nm {4 – 4.5 kgm} 3 Fuel injection tube sleeve nut: 19.6 – 24.5 Nm {2 – 2.5 kgm} 3 Cylinder head cover mounting bolt: 7.84 – 9.8 Nm {0.8 – 1.0 kgm} a After finishing adjustment, if the stamped lines of the fuel injection pump and holder are not at the same position or there is not a stamped line on the fuel injection pump, stamp a new line to show that the fuel injec- tion timing has been adjusted. 14. Remove the fixing bracket and lubrication tube of fuel injection pump (13), loosen 4 mounting nuts (19), and lean the fuel injection pump outward fully.
a Loosen the mounting nuts to a degree that the fuel injection pump can be moved in and out within the range of the oblong hole (Do not loosen them so much that the fuel injec- tion pump will have play). 15. Operating priming pump (20) of fuel injection pump 13, move the injection pump gradually toward the cylinder block and stop when the fuel stops flowing out of No. 1 delivery valve holder (14), and then tighten the mounting nuts tempo- rarily. a The position where fuel stops flowing out of the No. 1 delivery valve holder is the position to start fuel injection in the No. 1 cylinder (fuel injection timing). PC130-7 20-115 (1)