Fig. 14: Tightening Pressure Screws; Table 5: Pressure Screw Tightening Torques - ABB HT575750 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
2 Removing and Installing / 2.3 Installing the turbocharger
Tightening pressure screws
Fig. 14: Tightening pressure screws
Product
A140
A145
Table 5: Pressure screw tightening torques
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 2017 ABB. All rights reserved.
Torque-controlled tightening
Fixing screw [mm]
M24
M30
HZTL4031_EN
Tightening torques [Nm]
35
45
Revision F August 2017