Komatsu PC88MR-10 Shop Manual page 51

a Tighten the following flanged bolt on which "7" is stamped on its top to the tightening torque shown in the
following table.
Thread diameter
(mm)
6
8
10
12
Unless otherwise specified, tighten the unified coarse threaded bolts and nuts to the torque shown in the table
below.
Type of bolt
Nominal No. -
threads per inch,
type of thread
1 / -20UNC
4
5 / -18UNC
16
3 / -16UNC
8
7 / -14UNC
16
1 / -13UNC
2
9 / -12UNC
16
5 / -11UNC
8
3 / -10UNC
4
/ -9UNC
7
8
1-8UNC
1,187 to 1,608 {121 to 164}
1 1 / -7UNC
8
1,598 to 2,157 {163 to 220}
1 1 / -7UNC
4
2,354 to 3,177 {240 to 324}
1 1 / -6UNC
2
PC88MR-10
Width across flats
(mm)
10
12
14
17
A
Tightening torque (Nm {kgm})
Range
9.8 to 14.7 {1 to 1.5}
24.5 to 34.3 {2.5 to 3.5}
44.1 to 58.8 {4.5 to 6}
73.5 to 98.1 {7.5 to 10}
108 to 147 {11 to 15}
157 to 216 {16 to 22}
226 to 294 {23 to 30}
392 to 530 {40 to 54}
637 to 853 {65 to 87}
883 to 1,196 {90 to 122}
Foreword, safety and general information
Tightening torque (Nm {kgm})
5.9 to 9.8 {0.6 to 1.0}
13.7 to 23.5 {1.4 to 2.4}
34.3 to 46.1 {3.5 to 4.7}
74.5 to 90.2 {7.6 to 9.2}
Tightening torque (Nm {kgm})
Target
12.7 {1.3} 2.9 to 3.9 {0.3 to 0.4}
29.4 {3} 6.9 to 8.8 {0.7 to 0.9}
52.0 {5.3} 9.8 to 14.7 {1 to 1.5}
86.3 {8.8} 19.6 to 24.5 {2 to 2.5}
127 {13} 29.4 to 39.2 {3 to 4}
186 {19} 44.1 to 58.8 {4.5 to 6}
265 {27} 63.7 to 83.4 {6.5 to 8.5}
461 {47} 108 to 147 {11 to 15}
745 {76} 177 to 235 {18 to 24}
1,040 {106} 245 to 333 {25 to 34}
1,393 {142} 333 to 451 {34 to 46}
1,873 {191} 451 to 608 {46 to 62}
2,765 {282} 657 to 892 {67 to 91}
00 Index and foreword
B
Range Target
3.43 {0.35}
7.8 {0.8}
11.8 {1.2}
21.6 {2.2}
34.3 {3.5}
51.0 {5.2}
68.6 {7}
127 {13}
206 {21}
284 {29}
392 {40}
530 {54}
775 {79}
00-49