SDLG LG6210E, Maintenance Manual

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Maintenance Manual
──LG6210E
Hydraulic Excavator
13
Table2.Tghtening torque(inch)
Grade 4.8T 8.8T 10.9T,12.9 T
Size Tightening torque Tightening torque Tightening torque
mm Nm Nm Nm
1/4 9.80 ±0.98 23.53±2.35 16.67 ±1.96
5/16 11.76±1.17 19.61±1.96 29.42±2.94
3/8 19.61±1.96 40.20±3.92 54.91±4.90
7/16 31.38±3.13 59.82 ±5.88 87.27 ± 8.82
1/2 46.09±4.60 100.02 ±9.80 131.40 ±12.74
9/16 66.68 ±6.66 140.23 ±13.72 186.32 ±18.63
5/8 91.20 ±9.12 200.05±19.61 255.95±25.49
3/4 156.90 ±15.69 - 442.28 ±44.12
7/8 250.07 ±25.00 - 702.15 ±70.60
1 - 372.65 ±37.26
-
1048.33±104.93
1 1/8 - 530.54 ±53.05
-
1492.57 ±149.06
1 1/4 727.65 ±72.76
-
2048.61 ±204.95
1 3/4 968.89 ±96.88 - - 2724.29 ±272.62
1 1/2 1257.21 ±125.72 - - 3537.26 ±354.02
Attention! For screws with nylon packaging, the use of
non-metallic bushing, and the required different torque or a
different specified tightening degree, the torque table does
not be suitable.
Tightening torque of split flange screws
Split flange screws apply this tightening torque.
Table3. Tghtening torque (Split flange screws)
Screw diameter (mm) Width between two
sides (mm)
Tightening
torque
Nm
10
12
16
14
17
22
65.7 ± 6.8
112 ± 9.8
279 ± 29