400 Series 3 Exhaust manifold and gasket To remove and to fit Operation 3-5 Engine Torque Nm (lbf ft) kgf m 403C-11 Setscrew 9,8 (7.2) 0,9 Nuts 9,8 (7.2) 0,9 403C-15 404C-22 404C-22T Setscrew 25 (18.4) 2,5 Nuts 25 (18.4) 2,5 H1038 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green 17