400 Series 3 Cylinder head assembly 3 Rocker cover and inlet manifold To remove and to fit Operation 3-1 Engine Torque Nm (lbf ft) kgf m 403C-11 Cap nut 11 (8.1) 1,1 Setscrew 11 (8.1) 1,1 403C-15 404C-22 404C-22T Cap nut 14 (10.3) 1,4 Setscrew 14 (10.3) 1,4 Notes: An ‘O’ ring (1) is fitted in the groove in the rocker cover. Inspect the ‘O’ ring and renew if necessary. 1 H1034 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green 13