Komatsu PC200 -8 Shop Manual page 49

00 Index and foreword
8. Table of tightening torques for 102, 107 and 114 engine series (Eye joints)
a Unless there are special instructions, tighten the metric eye joints of the 102, 107 and 114 engine
series to the torque below.
Thread size
mm
6
8
10
12
14
9. Table of tightening torques for 102, 107 and 114 engine series (Taper screws)
a Unless there are special instructions, tighten the taper screws (unit: inch) of the 102, 107 and 114
engine series to the torque below.
Material
Thread size (inch)
1/16
1/8
1/4
3/8
1/2
3/4
PC200, 220-8
Tightening torque
Nm
8 ± 2
10 ± 2
12 ± 2
24 ± 4
36 ± 5
Tightening torque
In cast iron or steel
Nm kgm
15 ± 2 1.53 ± 0.20
20 ± 2 2.04 ± 0.20
25 ± 3 2.55 ± 0.31
35 ± 4 3.57 ± 0.41
55 ± 6 5.61 ± 0.61
75 ± 8 7.65 ± 0.82
SEN00094-05
kgm
0.81 ± 0.20
1.02 ± 0.20
1.22 ± 0.20
2.45 ± 0.41
3.67 ± 0.51
In aluminum
Nm kgm
5 ± 1 0.51 ± 0.10
15 ± 2 1.53 ± 0.20
20 ± 2 2.04 ± 0.20
25 ± 3 2.55 ± 0.31
35 ± 4 3.57 ± 0.41
45 ± 5 4.59 ± 0.51
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