ABB A140-H55 - Table 4 Tightening Torques for Standard

Operation Manual / 4 Product description / A130-H.. - A140-H..
2
Removing and Installing
Page 19 /
115
© Copyright 2015 ABB. All rights reserved.
HZTL4030_EN
Revision C
September 2015
NOTICE
Gas-outlet casing (51100)
The gas-outlet casing (51100) may still be fitted in the exhaust gas pipe if
the locking nuts remain accessible for removing the turbocharger.
 Observe the instructions for the fastening variant at hand.
 Fastening the turbocharger with a standard nut [➙ 19] (A130 - A140)
 Fastening the turbocharger with a clamping nut [➙ 20] (A140 only)
2.3.4 Fastening the turbocharger with a standard nut
 Fit the nuts and tighten them according to variant 1 or 2 in the table below.
**) When the turbocharger is mounted on the engine support, the bolt threads and screw
heads must be lightly oiled (assumed friction coefficient µ = 0.12 for tightening torque)
Product
Through hole in
bearing casing
[mm]
Fixing screws [mm]
Variant 1:
Tightening torques
[Nm] **)
Variant 2:
Hydraulic pre-
tensioning forces
[kN]
A130 Ø 17 M16 280 110
A135 Ø 21 M20 560 175
A140 Ø 25 M24 960 250
Table 4: Tightening torques for standard nuts
 Remove the lifting gear.