ABB A135-M65 - Table 4 Tightening Torques for Standard

Operation Manual / 4 Product description / A130-M.. - A145-M..
2
Removing and Installing
Page 19 /
121
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HZTL4031_EN
Revision E
January 2017
 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 and A145)
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.