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Fig. 22: Tightening Pressure Screws; Table 7: Torque-Controlled Tightening Of The Pressure Screws - ABB HT608903 Operation Manual

Table of Contents

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.

Fixing screw [mm]

M24

M30

HZTL4031_EN

Tightening torques [Nm]

Rev.N

March 2021

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Chapters

Table of Contents

A140-m55