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TIGHTENING TORQUE SPECIFICATIONS
Bolt and Nut on Base Machine Standard Torques
Torque Specifications
No.
1 Engine cushion
rubber mounting
bolt
2 Radiator mounting bolt
3 Hydraulic oil tank mounting bolt
4 Fuel tank mounting bolt
5 ORS fittings for hydraulic hoses and piping
6 Pump transmission mounting bolt
7 Pump device mounting bolt
8 Control valve mounting bolt
9 Swing device mounting bolt
Ring gear housing mounting bolt
(hexagonal wrench)
10 Swing motor mounting bolt (hexagonal wrench)
11 Battery mounting nut
12 Cab mounting bolt
13 Swing bearing mounting bolt to upperstructure
Swing bearing mounting bolt to undercarriage
GENERAL INFORMATION / Tightening
Descriptions
Engine cushion rubber
Front
Cushion rubber-machine
Engine cushion rubber
Rear
Cushion rubber-machine
STD, LC
H, LCH
Bolt Dia
Q'ty
mm
16
2
16
2
22
2
16
4
16
4
16
8
16
8
1-3/16-12UNF
1-7/16-12UNF
7/16-14UNF
14
20
8
20
4
22
26
18
24
12
16
12
2
16
4
16
6
30
36
30
36
W1-2-1
Torque
Wrench Size
mm
N⋅m
24
205
24
205
32
540
24
205
24
205
24
205
24
205
36
175
41
205
16
69
30
390
30
390
32
740
14
295
10
88
19
34
24
205
24
205
46
1910
46
1720
Continued on next page
kgf⋅m
lbf⋅ft
21
152
21
152
55
400
21
152
21
152
21
152
21
152
18
130
21
152
7
51
40
290
40
290
75
540
30
215
9
65
3.5
25.5
21
152
21
152
195
1410
175
1270
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