Engine body Repair instructions Cylinder head Dismantling of cylinder head 1. Remove both battery leads. Close the fuel cocks. 2. Close the bottom valve and drain off the water in the sea and fresh water system. 3. Release the hose to the heat exchanger from the sea water pump. Release the exhaust pipe from the exhaust hook. 2 Fig. 9. Dismantling of expansion tank with heat ex- changer 4. Release the thick rubber hose under the heat ex- 1. Heat exchanger complete changer. (Note: the hose is filled with refrigerant). 2. MD2010 , MD2020 : Spring Release the thin hose from the refrigerant pump. 3. MD2o10, MD2020 : Thermostat 9. Remove the expansion tank complete with heat ex- changer.
MD2010 , MD2020 : Remove the spring, thermostat and rubber seal from the heat exchanger housing. 5. MD2010 , MD2020 : remove the drive belt for the al- ternator/refrigerant pump. Remove the alternator and clamp. 10. MD2010 , MD2020 , MD2030 : Remove the induction manifold. 6. Release the relay box from the heat exchanger housing and hang it up. MD2040 : Remove the inlet pipe complete with air filter. 11. Release the delivery pipe at the injection pump and injectors. Lift off the delivery pipes together. Protect the connections from impurities. 7. Release the electric cables to the oil pressure relay and to the refrigerant temperature relay and sensor ( where appropriate). 8. MD2040 :
remove the cover at the front on the heat exchanger housing's right-hand side. Remove the spacer ring, thermostat and rubber seal. 12. Remove the nut at the top of respective injectors and lift off the fuel leak pipe. 2 5