Komatsu PC200 Shop Manual page 28

FOREWORD
2. Table of tightening torques for split flange bolts
★ Unless there are special instructions, tighten split flange bolts to the torque below.
Thread diameter of bolt
mm
10
12
16
3. Table of tightening torques for O-ring boss piping joints
★ Unless there are special instructions, tighten O-ring boss piping joints to the torque below.
Thread diameter
Nominal No.
mm
02 14
03,04 20
05,06 24
10,12 33
14 42
4. Table of tightening torques for O-ring boss plugs
★ Unless there are special instructions, tighten O-ring boss plugs to the torque below.
Thread diameter Width across flats
Nominal
No.
mm
08 8
10 10
12 12
14 14
16 16
18 18
20 20
24 24
30 30
33 33
36 36
42 42
52 52
00-22
(14)
Width across flats
mm
14
17
22
Width across flats
mm
Varies depending
on type of connec- 128 – 186 {13.0 – 19.0}
tor.
363 – 480 {37.0 – 49.0}
746 – 1,010 {76.0 – 103}
mm
14 5.88 – 8.82 {0.6 – 0.9}
17 9.81 – 12.74 {1.0 – 1.3}
19 14.7 – 19.6 {1.5 – 2.0}
22 19.6 – 24.5 {2.0 – 2.5}
24 24.5 – 34.3 {2.5 – 3.5}
27 34.3 – 44.1 {3.5 – 4.5}
30 44.1 – 53.9 {4.5 – 5.5}
32 58.8 – 78.4 {6.0 – 8.0}
32 93.1 – 122.5 { 9.5 – 12.5}
– 107.8 – 147.0 {11.0 – 15.0}
36 127.4 – 176.4 {13.0 – 18.0}
– 181.3 – 240.1 {18.5 – 24.5}
– 274.4 – 367.5 {28.0 – 37.5}
STANDARD TIGHTENING TORQUE TABLE
Tightening torque
Nm
59 – 74
98 – 123
235 – 285
Tightening torque Nm {kgm}
Range
35 – 63 { 3.5 – 6.5}
84 – 132 { 8.5 – 13.5}
Tightening torque Nm {kgm}
Range
kgm
6.0 – 7.5
10.0 – 12.5
23.5 – 29.5
Target
44 { 4.5}
103 {10.5}
157 {16.0}
422 {43.0}
883 {90.0}
Target
7.35 {0.75}
11.27 {1.15}
17.64 {1.8}
22.54 {2.3}
29.4 {3.0}
39.2 {4.0}
49.0 {5.0}
68.6 {7.0}
107.8 {11.0}
127.4 {13.0}
151.9 {15.5}
210.7 {21.5}
323.4 {33.0}
PC200/220(LC)-7