Hitachi ZAXIS 120-6 class User Manual

7-131
MAINTENANCE
ZX120-6 class
No. Descriptions Bolt Dia Quantity
Wrench
size
Torque
N·m (kgf·m)
1. Engine cushion rubber mounting bolt and nut 16 4 24 235 (23.5)
2. Engine bracket mounting bolt (Pump side) 12 8 19 110 (11)
3. Hydraulic oil tank mounting bolt 16 4 24 270 (27)
4. Fuel tank mounting bolt 16 6 24 270 (27)
5. Radiator mounting bolt (Lower side) 12 3 19 90 (9.0)
6. Pump mounting bolt 12 10 19 110 (11)
7.
Control valve mounting bolt 16 4 24 210 (21)
Control valve bracket mounting bolt 16 4 24 270 (27)
8. Swing device mounting bolt 20 10 30 500 (50)
9. Swing motor mounting bolt (Hexagon wrench) 10 7 8 64 (6.4)
10. ORS fitting for hydraulic hose and piping
− − 17 25 (2.5)
− − 19 30 (3.0)
− − 22 40 (4.0)
− − 27 80 (8.0)
− − 27 95 (9.5)
− − 32 140 (14)
− − 36 180 (18)
− − 41 210 (21)
12. Battery mounting nut 10 4 17 50 (5.0)
13.
Cab mounting nut 16 4 24 210 (21)
Cab mounting anchor bolt 22 1 32 550 (55)
Cab cushion rubber mounting bolt 12 8 19 110 (11)
14. Cover mounting bolt
6 − 10 10 (1.0)
8 − 13 20 (2.0)
10 − 17 50 (5.0)
12 − 19 90 (9.0)
15.
Constant torque clamp of low pressure piping − 8 10 14 (1.4)
Jubilee® clamp of low pressure piping
− − 7 6 (0.6)
− − 8 6 (0.6)
T-bolt clamp of low pressure piping − 4 10 6 (0.6)
16. Swing bearing mounting bolt
(Upperstructure) 18 30 27 390 (39)
(Undercarriage) 16 36 24 265 (26.5)
17.
Travel device mounting bolt 16 28 24 310 (31)
Travel reduction gear cover mounting bolt 14 8 22 175 (17.5)
Sprocket mounting bolt 16 32 24 265 (26.5)
18. Upper roller mounting bolt 12 8 19 110 (11)
19. Lower roller mounting bolt 16 56 24 310 (31)
20. Track shoe mounting bolt 16 352 24 410 (41)
21. Track guard mounting bolt 16 8 24 310 (31)
23. Aftertreatment device mounting bolt
Back plate 12 4 19 90 (9.0)
Base plate 12 4 19 110 (11)
24. DEF/AdBlue® tank bracket mounting bolt 10 6 17 50 (5.0)
25. Platform handrail mounting bolt 12 4 19 130 (13)
26. Body top handrail mounting bolt 12 8 19 130 (13)
30. Cab top handrail mounting bolt 16 2 24 270 (27)
31. Front pin-retaining bolt 18 2 27 400 (40)

Hitachi ZAXIS 120-6 class Specifications

General

Brand	Hitachi
Model	ZAXIS 120-6 class
Category	Excavators
Language	English