Table 5 Pressure Screw Tightening Tor - ABB A145-M56 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
2 Removing and Installing
Tightening pressure screws
Figure 14: Tightening pressure screws
Product
A140
A145
Table 5: Pressure 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.
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Torque-controlled tightening
Fixing screw [mm]
M24
M30
HZTL4031_EN
Page 21 / 121
Tightening torques [Nm]
35
45
Revision E January 2017