Komatsu PC09-1, Shop Manual

Page: 15 / 199

FOREWORD STANDARD TIGHTENING TORQUE
00-14
TIGHTENING TORQUE FOR 102 ENGINE SERIES
1) BOLT AND NUTS
Use these torques for bolts and nuts (unit: mm) of Cummins Engine.
2) EYE JOINTS
Use these torques for eye joints (unit: mm) of Cummins Engine.
3) TAPERED SCREWS
Use these torques for tapered screws (unit: inch) of Cummins Engine.
TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE)
★
Tighten the hoses (taper seal type and face seal type) to the following torque, unless otherwise specified.
★
Apply the following torque when the threads are coated (wet) with engine oil.
Thread diameter Tightening torque
mm Nm kgm
6
8
10
12
10
0
2
24
0
4
43
0
6
77
0
12
1.02
0
0.20
2.45
0
0.41
4.38
0
0.61
7.85
0
1.22
Thread diameter Tightening torque
mm Nm kgm
6
8
10
12
14
8
0
2
10
0
2
12
0
2
24
0
4
36
0
5
0.81
0
0.20
1.02
0
0.20
1.22
0
0.20
2.45
0
0.41
3.67
0
0.51
Thread diameter Tightening torque
inch Nm kgm
1 / 16
1 / 8
1 / 4
3 / 8
1 / 2
3 / 4
1
3
0
1
8
0
2
12
0
2
15
0
2
24
0
4
36
0
5
60
0
9
0.31
0
0.10
0.81
0
0.20
1.22
0
0.20
1.53
0
0.41
2.45
0
0.41
3.67
0
0.51
6.12
0
0.92
Nominal size
of hose
Width across
flats
Tightening torque (Nm {kgm})
Taper seal
type
Face seal type
Range Target
Thread size
(mm)
Nominal thread
size - Threads per
inch, Thread series
Root diameter
(mm) (Reference)
02 19 35 - 63 {3.5 - 6.5} 44 {4.5} 14
- 18UNF
14.3
03
22 54 - 93 {5.5 - 9.5} 74 {4.5} –
- 16UN
17.5
24 59 - 98 {6.0 - 10.0} 78 {8.0} 18 – –
04 27 84 - 132 {8.5 - 13.5} 103 {10.5} 22
- 16UN
20.7
05
32 128 - 186 {13.0 - 19.0} 157 {16.0} 24 1 - 14UNS 25.4
06
36 177 - 245 {18.0 - 25.0} 216 {22.0} 30
1 - 12UNF
30.3
(10)
41 177 - 245 {18.0 - 25.0} 216 {22.0} 33 – –
(12)
46 197 - 294 {20.0 - 30.0} 245 {25.0} 36 – –
(14) 55 246 - 343 {25.0 - 35.0} 294 {30.0} 42 – –
9
–
16
11
–
16
13
–
16
3
–
16