Fig. 20: Tightening Pressure Screws; Table 5: Torque-Controlled Tightening Of The Pressure Screws - ABB HT846170 Operation Manual

Operation Manual / A150-M58/68
3 Removing and Installing / 3.3 Installing the turbocharger
Tightening pressure screws
Fig. 20: Tightening pressure screws
Product
A150-M58/68
Table 5: 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 2021 ABB. All rights reserved.
Fixing screw [mm]
M30
HZTL4041_EN
Tightening torques [Nm]
45
Rev.E January 2021