MAINTENANCE 8. Retighten the swing device mounting bolts. Tool : 32 mm Torque: 650 N•m (65 kgf•m, 472 lbf•ft) M1U1-07-053 9. Retighten the swing motor mounting bolts. Tool : 12 mm Torque: 90 N•m (9 kgf•m, 66 lbf•ft) 10. Retighten the ORS fittings for hydraulic hoses and piping. M1U1-07-053 11. Hycolin tube mounting nut M104-07-079 Tool : 17 mm Torque: 35 N•m (3.5 kgf•m, 26 lbf•ft) M1U1-07-035 7-96