UPPERSTRUCTURE / Swing Device 4. Install hoses (5, 6) to swing device (9) with socket bolts (4) (8 used). 7 3 6 : 57 N m (5.8 kgf m, 42 lbf ft) 5. Install hoses (3, 7, 8) to swing device (9). : 8 mm 5 : 17 mm : 24.5 N m (2.5 kgf m, 18 lbf ft) : 19 mm 4 6 : 29.5 N m (3 kgf m, 22 lbf ft) : 27 mm : 93 N m (9.5 kgf m, 69 lbf ft) 3 5 : 175 N m (18 kgf m, 130 lbf ft) 6. Release any pressure in the pump device. (Refer to W1-1.) Check the hydraulic oil level. Start the engine and check for any oil leaks. 7. Install covers (1) (2 used) to the main frame with the bolts (2) (4 used). : 36 mm 4 8 9 10 W1J1-02-06-001 2 2 1 : 19 mm : 90 N m (9 kgf m, 66 lbf ft) W1J1-02-05-061 W2-6-3