18
WSM_2051-04
4
Tightening torques
NOTE
Always tighten or check the fasteners with a calibrated torque wrench.
1
5
3
2
6
4
1
Torques
Subassembly
Chapter
Item
Size
Width across flats
Inspection When replacing
Brake system
7
1 Dust cover bolt
M8
13
20 Nm
22 Nm ± 4 Nm
2 Brake cylinder nut
M16 x 1.5
24
175 Nm
210 Nm – 30 Nm
1
3 Set nut yoke
M16 x 1.5
24
60 Nm
65 Nm ± 4 Nm
1
4 Ball bearing nut
M8
13
20 Nm
22 Nm ± 4 Nm
Wheel hub unit 8
5 Central nut
M55 x 1.5
75
N.A.
630 Nm ± 30 Nm
6 Wheel nuts
M22 x 1.5
32
600 Nm
630 Nm ± 30 Nm
1
The torque refers to WABCO brake cylinders. If other brake cylinders are used, the brake cylinder nuts must be
tightened to the torque specified by the supplier.
Summary of Contents for WSM DRUM
Page 1: ...Document code WSM_2051 04 Date October 2020 WSM DRUM WORKSHOP MANUAL DRUM BRAKES...
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