hitachi — I. MISCELLANEOUS

MAINTENANCE 14. Retighten the cover mounting bolts. Tool : 10 mm Torque: 10 N•m (1 kgf•m, 7 lbf•ft) Tool : 17 mm Torque: 50 N•m (5.1 kgf•m, 37 lbf•ft) Tool : 17 mm Torque: 90 N•m (9.2 kgf•m, 66 lbf•ft) M1U1-07-042 15. Retighten flexible master coupling. Tool : 13 mm Torque: 10.3 to 12.4 N•m (1.05 to 1.26 kgf•m, 8 to 9 lbf•ft) Tool : 17 mm Torque: 20.5 to 22.6 N•m (2.07 to 2.30 kgf•m, 15 to 17 lbf•ft) Flexible Master Coupling M1G6-07-008 Retighten, Jubilee and T-bolt clamp Tool : 10 mm Torque: 6 N•m (0.6 kgf•m, 4 lbf•ft) M157-07-215 T-bolt Clamp 16. Retighten the swing bearing mounting bolts to the up- perstructure. Tool : 41 mm Torque:

1226 N•m (125 kgf•m, 904 lbf•ft) M107-07-088 Retighten the swing bearing mounting bolts to the un- dercarriage. Tool : 41 mm Torque: 1226 N•m (125 kgf•m, 904 lbf•ft) M107-07-089 7-98