ABB A135-M65 - Table 5 Pressure Screw Tightening Tor

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