Standard Tightening Torque Table - Komatsu PC88MR-10 Shop Manual

00 Index and foreword
Foreword, safety and general information

Standard tightening torque table

Table of tightening torque for bolts and nuts
Unless otherwise specified, tighten the metric bolts and nuts to the torque shown in the table below.
Thread diameter
(mm)
6
8
10
12
14
16
18
20
22
24
27
30
33
36
39
*1: Split flange bolt.
*2: Flanged bolt.
00-48
Width across flats
(mm)
10
(*2) 10
13
(*2) 12
17
(*1, *2) 14
19
(*1, *2) 17
22
24
(*1) 22
27
30
32
36
41
46
50
55
60
(ALL-M140-03B-P-01-A)
Tightening torque (Nm {kgm})
11.8 to 14.7 {1.2 to 1.5}
27 to 34 {2.8 to 3.5}
59 to 74 {6.0 to 7.5}
98 to 123 {10.0 to 12.5}
157 to 196 {16 to 20}
245 to 309 {25 to 31.5}
343 to 427 {35 to 43.5}
490 to 608 {50 to 62}
662 to 829 {67.5 to 84.5}
824 to 1,030 {84 to 105}
1,180 to 1,470 {120 to 150}
1,520 to 1,910 {155 to 195}
1,960 to 2,450 {200 to 250}
2,450 to 3,040 {250 to 310}
2,890 to 3,630 {295 to 370}
(Rev. 2012/10)
PC88MR-10