Table 4: Tightening Torques For Standard Nuts - ABB HT575750 Operation Manual

Operation Manual / 4 Product description / A130-M.. - A145-M..
2 Removing and Installing / 2.3 Installing the turbocharger
Observe the instructions for the fastening variant at hand.
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¡
Fastening the turbocharger with a standard nut →16
¡
Fastening the turbocharger with a clamping nut →17
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.
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**) 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 bear-
ing casing
[mm]
A130 Ø 17
A135 Ø 21
A140 Ø 25
Table 4: Tightening torques for standard nuts
Remove the lifting gear.
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© Copyright 2017 ABB. All rights reserved.
(A130 - A140)
(A140 and A145)
Fixing screws [mm]
M16
M20
M24
HZTL4031_EN
Variant 1:
Tightening Hydraulic pre-
torques [Nm] **) tensioning
forces [kN]
280
560
960
Revision F
Variant 2:
110
175
250
August 2017