Komatsu WB140-2N User Manual

MAINTENANCE
WB140-2N, WB150-2N 3-21
STANDARD TIGHTENING TORQUE
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
SPECIFIC TIGHTENING TORQUES
Thread
diameter
(mm)
Pitch
(mm)
Wrench
size
(mm)
8.8 10.9
kgm Nm lb. ft. kgm Nm lb. ft.
68101214 11.251.
51.752
1013171
922
0.96 ±
0.12.3 ±
0.24.6 ±
0.57.8 ±
0.812.5 ± 1
9.5 ± 123 ±
245 ±
4.977 ±
8122 ± 13
7 ± 0.7417
± 1.532 ±
3.657 ±
5.990 ± 9.6
1.3 ±
0.153.2 ±
0.36.5 ±
0.611 ±
117.5 ±2
13.5 ±
1.532.2 ±
3.563 ±
6.5108 ±
11172 ± 18
10 ± 124 ±
2.647 ±
4.880 ±
8127 ± 13
161820222
4
22.52.5
2.53
2427303
236
19.5 ± 227
± 338 ±
452 ± 666
± 7
191 ±
21262 ±
28372 ±
40511 ±
57644 ± 70
141 ±
15194 ±
21275 ±
30377 ±
42475 ± 52
27 ± 337 ±
453 ± 673
± 892 ± 10
268 ±
29366 ±
36524 ±
57719 ±
80905 ± 98
198 ±
22270 ±
26387 ±
42531 ±
59668 ± 72
2730 33.5 4146 96 ± 10131
± 14
945 ±
1001287 ±
140
698 ±
74950 ±
103
135 ±
15184 ± 20
1329 ±
1401810 ±
190
980 ±
1031336 ±
140
• This torque table is not valid for screws or nuts that contain nylon parts or spring washers.
Item Description kgm Nm lb. ft.
Cab Front support screws Rear support screws
20 ± 120
± 1
196 ±
9.8196 ±
9.8
145 ±
7.4145 ±
7.4
Wheels Front Rear
35.7 ±
151 ± 1
350 ±
9.8500 ±
9.8
258 ±
7.4369 ±
7.4
Front bucket Teeth 14.5 ± 1 143 ± 9.8 106 ± 7.4
Backhoe bucket Central teeth Side teeth
14.5 ±
114.5 ± 1
143 ±
9.8143 ±
9.8
106 ±
7.4106 ±
7.4
Engine and transmission
Front support central screw Rear support
central screw
20 ± 120
± 1
196 ±
9.8196 ±
9.8
145 ±
7.4145 ±
7.4

Komatsu WB140-2N Specifications

General

Brand	Komatsu
Model	WB140-2N
Category	Compact Loader
Language	English