Hitachi ZAXIS 120-6 class Operator's Manual page 429

ZX300-6 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
Front pin-retaining bolt
31.
Boom top, Arm cylinder bottom and rod pin-retaining bolt
MAINTENANCE
Descriptions
Air cleaner I/C pipe
For the radiator
For the radiator (engine side)
(Upperstructure)
(Undercarriage)
Mounting bolt
Through bolt
Bolt Dia Quantity
20
12
10
18
16
10
16
12
18
16
22
12
−
−
−
−
−
−
−
−
−
10
16
22
12
8
10
12
−
−
−
−
−
−
22
22
20
14
20
18
22
22
22
22
20
12
10
12
12
22
18
7-135
Wrench
size
N·m
4 30 550
12 19 110
12 17 65
4 27 400
6 24 270
6 17 50
5 24 270
13 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
− 50 260
− 17 35
8 17 25
4 24 210
2 32 550
8 19 110
− 13 20
− 17 50
− 19 90
8 10 14
1 pair 17 20.5 to 22.6 (2.05 to 2.26)
− 7 6
− 8 6
− 8 6.9
8 11 10
36 32 640
36 32 715
40 30 630
8 22 180
48 30 550
16 27 460
64 32 840
384 32 1128
24 32 750
28 32 750
18 30 500
18 19 90
6 17 50
4 19 110
12 19 110
2 32 750
5 27 400
Torque
(kgf·m)
(55)
(11)
(6.5)
(40)
(27)
(5.0)
(27)
(11)
(30)
(27)
(65)
(9.0)
(2.5)
(3.0)
(4.0)
(9.5)
(14)
(18)
(21)
(26)
(3.5)
(2.5)
(21)
(55)
(11)
(2.0)
(5.0)
(9.0)
(1.4)
(0.6)
(0.6)
(0.7)
(1.0)
(64)
(71.5)
(63)
(18)
(55)
(46)
(84)
(112.8)
(75)
(75)
(50)
(9.0)
(5.0)
(11)
(11)
(75)
(40)