Technical data Tightening torque in Nm (ft.lbf) MD2010 M D 2020 M D 2030 M D2040 Cylinder head* - 35-40 (25.8-29.5) 50-53 (36.9-39.1) 90-95 (66.4-70.1) Main bearing:
top to bottom bearing cap (steel) 25-30 (18.4-22.1) 25-30 (18.4-22.1) 50-55 (36.9-40.5) (aluminium) ; 20-25 (14.7-18.4) 20-25 (14.7-18.4) Main bearing cap to cylinder block 25-30 (18.4-22.1) 25-30 (18.4-22.1) 50-55 (36.9-40.5) ** 25-30 (18.4-22.1)*** Big-end bearing 21-26 (15.5-19.2) 30-35 (22.1-25.8) 50-55 (36.9-40.5) End-plate/flywheel housing 13-17 (9.6-12.5) 47-55 (34.7-40.6) 13-17 (9.6-12.5) Flywheel housing 24-29 (17.7-21.4) 24-29 (17.7-21.4) 24-29 (17.7-21.4) Flywheel 70-80 (51.6-59.0) 60-70 (44.3-51.6) 60-70 (44.3-51.6) Flexible coupling 9-12 (6.6-8.8) 9-12 (6.6-8.8) 9-12 (6.6-8.8) Adapter plate for flywheel housing 24-29 (17.7-21.4) 24-29 (17.7-21.4) 24-29 (17.7-21.4) Suction strainer, oil pump 9-13 (6.6-9.6) 9-13 (6.6-9.6) 9-13 (6.6-9.6) Bottom plate 9-12 (6.6-8.6) 9-12 (6.6-8.6) 9-12 (6.6-8.6) Sump 9-13 (6.6-9.6) 9-13 (6.6-9.6) 9-13 (6.6-9.6) Drain plug, sump 30-40 (22.1-29.5) 30-40 (22.1-29.5) 30-40 (22.1-29.5) Timing gear casing 9-12 (6.6-8.6) 9-12 (6.6-8.6) 9-12 (6.6-8.6) Crankshaft pulley 90-100 (66-74) 120-130 (86-96) 280-340 (206-250) I njection pump 9-13 (6.6-9.6) 9-13 (6.6-9.6) 9-13 (6.6-9.6) Bearing bracket, rocker shaft 20-25 (14.7-18.4) 20-25 (14.7-18.4) 20-25 (14.7-18.4) Valve cover 10-12 (7.4-8.6) 10-12 (7.4-8.6) 8-12 (5.9-8.6 Pressure oil pipe (cylinder block-cylinder head).
10-13 (7.4-9.6) 10-13 (7.4-9.6) 1 0-13 (7.4-9.6) I njector 60-70 (44.3-51.6) 80-85 (59.0-62.7) 60-70 (44.3-51.6) Delivery pipe 20-25 (14.7-18.4) 20-25 (14.7-18.4) 15-25 (11.0-18.4) Pressure valve holder 35-39 (25.8-28.8) 40-45 (29.5-33.2) 40-45 (29.5-33.2) Relief valve 60-70 (44.3-51.6) 60-70 (44.3-51.6) 60-70 (44.3-51.6) Lock screw (max. fuel volume) 20-25 (14.7-18.4) 20-25 (14.7-18.4) 20-25 (14.7-18.4) Lock screw (speed) 13-17 (9.6-12.5) 13-17 (9.6-12.5) 13-17(9.6-12.5) Glow plug 15-20 (11.0-14.7) 15-20 (11.0-14.7) 15 1 2'76"(11.
0-14.7) Oil pressure relay 15-20 (11.0-14.7) 15-20 (11.0-14.7) 15-20 (11.0-14.7) Refrigerant temperature relay 25-30 (18.4-22.1) 25-30 (18.4-22.1) 25-30 (18.4-22,1) - Oil pressure sensor 15-20 (11.0-14.7) 15-20 (11.0-14.7) 15-20 (11.0-14.7) Refrigerant temperature sensor 15-20 (11.0-14.7) 15-20 (11.0-14.7) 15-20 (11.0-14.7) The tightening torque given under respective engine is the final tightening torque. The cylinder head should be tightened in three stages and in the correct sequence. See tightening torque diagram on page 32. Grease in the cylinder head screw threads with grease containing molybdenum disulphide. ** Hexagonal screws Rear cap (socket head screws) 1 7