Hitachi ZAXIS 120-6 class - Page 430

7-136
MAINTENANCE
ZX330-6 class
No. Descriptions Bolt Dia Quantity
Wrench
size
Torque
N·m (kgf·m)
1. Engine cushion rubber mounting bolt and nut 20 4 30 550 (55)
2.
Engine bracket mounting bolt (Pump side) 12 12 19 110 (11)
Engine bracket mounting bolt (Fan side) 10 12 17 65 (6.5)
3. Hydraulic oil tank mounting bolt 18 4 27 400 (40)
4. Fuel tank mounting bolt 16 6 24 270 (27)
5.
Radiator mounting bolt (Left and right) 10 6 17 50 (5.0)
Radiator mounting bolt (Lower side) 16 3 24 270 (27)
6. Pump mounting bolt 12 13 19 110 (11)
7.
Control valve mounting bolt 18 4 27 300 (30)
Control valve bracket mounting bolt 16 4 24 270 (27)
8. Swing device mounting bolt 22 14 32 650 (65)
9. Swing motor mounting bolt (Hexagon wrench) 12 8 12 90 (9.0)
10. ORS fitting for hydraulic hose and piping
− − 17 25 (2.5)
− − 19 30 (3.0)
− − 22 40 (4.0)
− − 27 95 (9.5)
− − 32 140 (14)
− − 36 180 (18)
− − 41 210 (21)
− − 50 260 (26)
11. Hycolin® tube mounting nut − − 17 35 (3.5)
12. Battery mounting nut 10 8 17 25 (2.5)
13.
Cab mounting nut 16 4 24 210 (21)
Cab mounting anchor bolt 22 2 32 550 (55)
Cab cushion rubber mounting bolt 12 8 19 110 (11)
14. Cover mounting bolt
8 − 13 20 (2.0)
10 − 17 50 (5.1)
12 − 19 90 (9.0)
15.
Constant torque clamp of low pressure piping − 8 10 14 (1.4)
Flexible master coupling of low pressure piping − 1 pair 17 20.5 to 22.6 (2.05 to 2.26)
Jubilee® clamp of low pressure piping
Air cleaner I/C pipe − − 7 6 (0.6)
For the radiator − − 8 6 (0.6)
For the radiator (engine side) − − 8 6.9 (0.7)
T-bolt clamp of low pressure piping − 8 11 10 (1.0)
16. Swing bearing mounting bolt
(Upperstructure) 27 36 41 1230 (123)
(Undercarriage) 27 36 41 1250 (125)
17.
Travel device mounting bolt 20 48 30 630 (63)
Travel reduction gear cover mounting bolt 14 8 22 180 (18)
Sprocket mounting bolt 22 44 32 680 (68)
18. Upper roller mounting bolt 18 16 27 460 (46)
19. Lower roller mounting bolt 22 64 32 840 (84)
20. Track shoe mounting bolt 22 384 32 1128 (112.8)
21. Track guard mounting bolt 22 24 32 750 (75)
22. Full track guard
Mounting bolt 22 28 32 750 (75)
Through bolt 20 18 30 500 (50)
23. Aftertreatment device mounting bolt 12 18 19 90 (9.0)
24. DEF/AdBlue® tank bracket mounting bolt 10 6 17 50 (5.0)
25. Platform handrail mounting bolt 12 4 19 110 (11)
26. Body top handrail mounting bolt 12 12 19 110 (11)
28. Oil cooler mounting bolt
Left and right side 10 6 17 50 (5.0)
Lower side 16 3 24 270 (27)
29.
Oil cooler fan frame mounting bolt 16 2 24 270 (27)
Oil cooler fan motor mounting bolt 14 2 22 180 (18)
31.
Front pin-retaining bolt 22 2 32 750 (75)
Boom cylinder bottom, Boom top, Arm cylinder bottom and rod pin-
retaining bolt
18 7 27 400 (40)