Operation Manual / A150-M56/66/57/67 - A155-M..
3 Removing and Installing / 3.3 Installing the turbocharger
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HZTL4032_EN
Rev.Q
January 2021
Tightening pressure screws
Fig. 20: Tightening pressure screws
Product
Fixing screw [mm]
Tightening torques [Nm]
A150
M30
45
A155
M36
85
Table 6: 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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Содержание HT599018
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