General Information 00 Tightening Torques in kpm Engine Type CM 615 CM 621 CM 636 Crankshaft bearing bolts 91 9 8 Piston rod bolts 5.5 4.1 -0.6 3.75 Flywheel mounting Angle torque21 5.5 + 0.5 Cylinder head boils 9 9 8 Thrust bolt of prechamber 15 + 3 15 + 3 15 Nozzle in nozzle holder 7 + 1 7 + 1 Nozzle holder in cylinder head 7 + 1 7 + 1 Glow plugs 5 5 Pressure valve carrier at injection pump 4.5 + 0.5 4.5 + 0.5 Cap nuts of injection lines 2.5 2.5 Rocker arm bearing bracket bolts 3*753 3753 Nuts for ring piece on nozzle holder 7- 1 7- 1 5 Polit- stop nut on mt.
gear shaft for mounting timing device 7 7 Collar bolt on crankshaft, front 21 + 1 21 18 Mounting bolts for oil filter lower part 4 - 0.5 4 - 0.5 - Oil pressure valve in cylinder crank case 4 4 + 1 - Cylinder head cover 1.0 2.5 - Oil filter pot 4-0.5 4-as - Front engine mounting 6 6 - Torqueing in stages Tightening torque in mkp T ype Sketch for tightening sequence of cylinder head bolts First step Second step Third step Check 0M621 cfifififi'fifi'fi’I Lfifififi'fifi'ei z4955 3 6 9 9 0M615 6 9 9 4