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Check sheet for tightening torque for bolts of cab
• Locations of bolts
Bolts size
1 to 15 : M20
16 to 21 : M24
22 to 33 : M16
• Method of checking retightening
Sketch
1. Tighten to specified torque,
then make marks.
2. Retighten to specified
angle (60 degrees).
3. Check that marks are 60
degrees off each other as
shown at left.
Record
•
Check the torque at each No. shown at left and enter the
measured torque in the following torque recording box.
•
As for the M20 and M24 (1 – 21) bolts, tighten them to the
specified torque first, then retighten them and check the
retightening work and then record the measured torque.
(Check the box.)
Loca-
Record of
Check of
tion
torque
retightening
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
7/7
Standard tightening
torque/retightening
Torque: 294 ± 29.4 Nm
(30 kgm)
Retightening angle:
60 ± 10 degrees
Torque: 297 ± 27.9 Nm
(28.5 kgm)
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