Komatsu PC600LC-7 Manual page 13

FOREWORD
TABLE OF TIGHTENING TORQUES FOR SPLIT FLANGE BOLTS
# In the case of split flange bolts for which there is no special instruction, tighten to the torque given in the
table below.
Thread diameter
mm
10
12
16
TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PIPING JOINTS
# Unless there are special instructions, tighten the O-ring boss piping joints to the torque below.
Norminal No.
02
03, 04
05, 06
10, 12
14
TABLE OF TIGHTENING TORQUES FOR O-RING BOSS PLUGS
# Unless there are special instructions, tighten the O-ring boss plugs to the torque below.
Norminal No.
08
10
12
14
16
18
20
24
30
33
36
42
52
Width across flat
mm
14
17
22
Thread diameter Width across flat
mm
14
20 Varies depending
24
33
42
Thread diameter Width across flat
mm
08
10
12
14
16
18
20
24
30
33
36
42
52
Tightening torque
Nm
65.7 0 6.8
112 0 9.8
279 0 29
mm
34.3
93.1
on type of 142.1
connector. 421.4
877.1
mm
14 7.35
17 11.27
19 17.64
22 22.54
24 29.4
27 39.2
30 49
32 68.6
32 107.8
n 127.4
36 151.9
n 210.7
n 323.4
STANDARD TIGHTENING TORQUE
kgm
6.7 0 0.7
11.5 0
28.5 0
Tightening torque
Nm
0 4.9 3.5
0 9.8 9.5
19.6 14.5
0
0 58.8 43
132.3 89.5
0
Tightening torque
Nm
0 1.47 0.75
1.47 1.15
0
1.96 1.8
0
0 1.96 2.3
0 4.9 3
4.9 4
0
0 4.9 5
9.8 7
0
0 14.7 11
0 19.6 13
0 24.5 15.5
29.4 21.5
0
0 44.1 33
1
3
kgm
0 0.5
0 1
2
0
0 6
13.5
0
kgm
0 0.15
0.15
0
0.2
0
0 0.2
0 0.5
0 0.5
0 0.5
1
0
0 1.5
0 2
0 2.5
3
0
0 4.5
00-13