Engine body V U k u u r 2 2 `/ 3 11 601 1 4 2 MD2010 , -2020 M D2030 CAP M D2040 Fig. 10. Dismantling of injectors 1. Injector 3. Heat shield ( MD2030 ) 2. Copper gasket 4. Insert (MD2010-2030) Fig. 12. Dismantling of oil pressure pipe (cylinder block - cylinder head/rocker mechanism) 13. Unscrew the injectors. Use a long socket, 80 mm. MD2010 , MD2020 , MD2030 = 22 mm MD2040 = 27 mm. 16. Remove the oil pressure pipe between the cylinder block and cylinder head (rocker mechanism on MD2040 ). Remove the copper gaskets under the injectors. MD2030 : Remove the heat shields (3, Fig. 10). MD2010 , MD2020 , MD2030 : Remove the inserts (4) and the lower copper washers. 17.
Remove the valve cover (built together with the in- l et pipe on MD2010 , MD2020 and MD2030 ). 14. Release the electric cable to the glow plug. Re- move the conductor rail and unscrew the glow plug. Fig. 13. Dismantling of rocker mechanism ( MD2040 ) 1. Rocker mechanism 3. Valve caps 2. Pull rods 18. Release the nuts from the rockers' bearing brack- ets. Remove the rocker mechanism (1, Fig. 13) and pull rods (2). Remove the valve caps (3, MD2040 ) from the valve stem. Fig. 11. Dismantling of circulation pump 15. MD2010 , MD2020 , MD2030 : Remove the circula- tion pump. 19. Release the cylinder head screws in several sta- ges. Note:
Begin in the middle of the cylinder head and release the screws in a circle outwards. MD2030 : Note. The pump must be released/re- moved before the cylinder head is released. The pump can otherwise be broken. Remove the spring and thermostat. Lift off the cylinder head. 26