ABB Turbocharger A130-M Original Assembly Instructions page 18

Assembly Instructions / A130-M.. - A145-M
4 Installing the turbocharger / 4.5 Fastening the turbocharger with a
clamping nut
Tightening pressure screws
Fig. 9: Tightening pressure screws
Product
A140
A145
Table 7: Torque-controlled tightening of the pressure screws
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.
© Copyright 2020 ABB. All rights reserved.
Fixing screw [mm]
M24
M30
HZTL455311P0005_EN
Tightening torques [Nm]
35
45
Rev.B July 2020