ABB HT568964 - Table 4 Clamping Screw Tightening Torques

Operation Manual / 4 Product description / A100-M axial
2
Removal and installation
Page 18 /
113
© Copyright 2016 ABB. All rights reserved.
HZTL4033_EN
Revision A
July 2016
Figure 16: Tightening the clamping nut (2)
Torque-controlled tightening
Product
Fixing screw
[mm]
Tightening torques of pressure screws
[Nm]
A170-M M30 45
A175-M M36 85
Table 4: Clamping screw tightening torques
1. Screw in pressure screws crosswise by hand until reaching the stop.
2. Tighten pressure screws crosswise to 50 % of the tightening torque specified in the table.
3. Tighten pressure screws crosswise to 100 % of the tightening torque specified in the table.
4. Work in a circle to tighten all pressure screws to 100 % of the tightening torque specified in
the table.
5. Tighten pressure screws to 100 % in 5 … 7 rounds until the required residual tightening
angle of < 20° is achieved.