Komatsu GD530A-2 Shop Manual page 21

FOREWORD
12
TIGHTENING TORQUE OF HOSE NUTS
00
Use these torques for hose nuts.
Nominal No.
02
03
04
05
06
10
12
14
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS
00
Use these torques for split flange bolts.
Thread diameter
mm
10
12
16
TIGHTENING TORQUE FOR FLARED NUTS
00
Use these torques for flared part of nut.
Thread diameter
mm
14
18
22
24
30
33
36
42
00-11
Thread diameter Width across flat
mm
14
18
22
24
30
33
36
42
Width across flat
mm
14
17
22
Width across flat
mm
19
24
27
32
36
41
46
55
STANDARD TIGHTENING TORQUE
mm Nm
19 24.5 ± 4.9
24 49 ± 19.6
27 78.5 ± 19.6
32 137.3 ± 29.4
36 176.5 ± 29.4
41 196.1 ± 49
46 245.2 ± 49
55 294.2 ± 49
Tightening torque
Nm
65.7 ± 6.8
112 ± 9.8
279 ± 29
Tightening torque
Nm
24.5 ±4.9
49 ±19.6
78.5 ±19.6
137.3 ±29.4
176.5 ±29.4
196.1 ±49
245.2 ±49
294.2 ±49
Tightening torque
kgm
2.5 ± 0.5
5 ± 2
8 ± 2
14 ± 3
18 ± 3
20 ± 5
25 ± 5
30 ± 5
kgm
6.7 ± 0.7
11.5 ± 1
28.5 ± 3
kgm
2.5 ±0.5
5 ±2
8 ±2
14 ±3
18 ±3
20 ±5
25 ±5
30 ±5
GD530/650/670