Hitachi ZAXIS 120-6 class Operator's Manual page 428

ZX240-6 class
No.
1. Engine cushion rubber mounting bolt and nut
Engine bracket mounting bolt (Pump side)
2.
Engine bracket mounting bolt (Fan side)
3. Hydraulic oil tank mounting bolt
4. Fuel tank mounting bolt
Radiator mounting bolt (Left and right)
5.
Radiator mounting bolt (Lower side)
6. Pump mounting bolt
Control valve mounting bolt
7.
Control valve bracket mounting bolt
8. Swing device mounting bolt
9. Swing motor mounting bolt (Hexagon wrench)
10. ORS fitting for hydraulic hose and piping
11. Hycolin® tube mounting nut
12. Battery mounting nut
Cab mounting nut
13. Cab mounting anchor bolt
Cab cushion rubber mounting bolt
14. Cover mounting bolt
Constant torque clamp of low pressure piping
Flexible master coupling of low pressure piping
15.
Jubilee® clamp of low pressure piping
T-bolt clamp of low pressure piping
16. Swing bearing mounting bolt
Travel device mounting bolt
17. Travel reduction gear cover mounting bolt
Sprocket mounting bolt
18. Upper roller mounting bolt
19. Lower roller mounting bolt
20. Track shoe mounting bolt
21. Track guard mounting bolt
22. Full track guard
23. Aftertreatment device mounting bolt
24. DEF/AdBlue® tank bracket mounting bolt
25. Platform handrail mounting bolt
26. Body top handrail mounting bolt
31. Front pin-retaining bolt
MAINTENANCE
Descriptions
(Upperstructure)
(Undercarriage)
Mounting bolt
Through bolt
Boom top
Boom bottom
Bolt Dia Quantity
22
16
10
18
16
10
16
12
18
16
22
12
−
−
−
−
−
−
−
−
10
16
22
12
6
8
10
−
−
−
−
−
22
22
20
14
20
16
18
20
18
18
18
12
10
12
12
18
22
7-134
Wrench
size
N·m
4 32 550
12 24 270
8 17 65
4 27 400
6 24 270
6 17 50
3 24 270
12 19 110
4 27 300
4 24 270
14 32 650
8 10 90
− 17 25
− 19 30
− 22 40
− 27 95
− 32 140
− 36 180
− 41 210
− 17 35
4 17 50
4 24 210
2 32 550
8 19 110
− 10 10
− 13 20
− 17 50
8 10 14
1 pair 13 10.3 to 12.4 (1.03 to 1.24)
− 7 6
− 8 6
8 10 6
36 32 640
36 32 715
32 30 630
8 22 180
40 30 485
16 24 270
72 27 460
408 27 804
24 27 500
32 27 460
20 27 460
8 19 90
6 17 50
4 19 110
12 19 110
1 27 400
1 32 750
Torque
(kgf·m)
(55)
(27)
(6.5)
(40)
(27)
(5.0)
(27)
(11)
(30)
(27)
(65)
(9.0)
(2.5)
(3.0)
(4.0)
(9.5)
(14)
(18)
(21)
(3.5)
(5.0)
(21)
(55)
(11)
(1.0)
(2.0)
(5.0)
(1.4)
(0.6)
(0.6)
(0.6)
(64)
(71.5)
(63)
(18)
(48.5)
(27)
(46)
(80.4)
(50)
(46)
(46)
(9.0)
(5.0)
(11)
(11)
(40)
(75)