Komatsu PC4000 Manual page 90

Metric fine thread
Wrench size (mm)
Bolt size
(mm)
M 8x1.00
M 10x1.00
M 12x1.25
M 14x1.50
M 16x1.50
M 18x2.00
M 20x2.00
M 22x2.00
M 24x2.00
M 27x2.00
M 30x2.00
M 33x2.00
M 36x3.00
M 39x3.00
M 42x3.00
M 45x3.00
M 48x3.00
M 52x3.00
M 56x4.00
M 60x4.00
M 64x4.00
M 68x4.00
The torque indications on the chart attached are valid only when the bolts are
manufactured according to DIN.
Threads and bolt heads must be greased carefully with grease KP2K.
The surfaces of contact which should screwed together have to be free of grease.
Divergencing torques: Bolts at excavator slew rings (see Service Bulletin AH00511
last issue).
PC4000Asrev05
Edition 08/2005
13
6
17
8
19
10
22
12
24
14
27
14
30
17
32
17
36
19
19 41
46
22
24 50
55
27
60
65
32
70
75
35
80
85
41
90
95
46
100
Tightening torque MA (Nm)
8.8
23
48
81
127
191
270
380
510
680
990
1380
1850
2300
3000
3750
4600
5700
7300
8900
11000
13300
16100
90
Assembly Procedure PC4000
10.9 12.9
33
70
119
187
280
385
540
720
960 1130
1410 1650
1960 2300
2650 3100
3250 3850
4200 4950
5300 6200
6600 7700
8100 9500
10400 12100
12600 14800
15600 18300
19000 22200
22900 27000
39
82
139
219
330
450
630
850