Fig. 22: Tightening Pressure Screws; Table 7: Torque-Controlled Tightening Of The Pressure Screws - ABB HT610874 Operation Manual

Operation Manual / A130-M.. - A145-M..
3 Removing and Installing / 3.3 Installing the turbocharger
Tightening pressure screws
Fig. 22: 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.
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Fixing screw [mm]
M24
M30
HZTL4031_EN
Tightening torques [Nm]
35
45
Rev.P February 2022