ABB A131-H Instructions d'assemblage originales - Page 15
Parcourez en ligne ou téléchargez le pdf Instructions d'assemblage originales pour {nom_de_la_catégorie} ABB A131-H. ABB A131-H 20 pages. Radial turbocharger
Imprimer la pageAssembly Instructions / A101-H
4 Installing the turbocharger / 4.4 Fastening the turbocharger with a
standard nut
4.4
Fastening the turbocharger with a standard nut
Fit the nuts and tighten them according to variant 1 or 2 in the table below.
u
Product
Through hole in
bearing casing
[mm]
A131-H
Ø 17
A136-H
Ø 21
Table 7: Tightening torque for standard nuts
**) 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)
Remove the lifting gear.
u
4.5
Connecting the turbocharger
Connect the cable to the speed sensor (86515).
u
Connect all exhaust gas, water and air lines according to the instructions of the engineb-
u
uilder.
Version with compressor wheel cooling
CAUTION
Failure of compressor wheel cooling
Any prolonged failure of the compressor wheel cooling will shorten the re-
placement interval of the compressor wheel.
Make sure there is an uninterrupted supply of cooling air during opera-
u
tion.
Fig. 9: Connecting the compressor cooling air intake
Remove the lock from the connection for the compressor wheel cooling (01) and fit the
u
cooling air line.
© Copyright 2019 ABB. All rights reserved.
Fixing screws
Variant 1: Tightening
[mm]
torques [Nm] **)
M16
M20
HZTL455311P0038_EN
Variant 2: Hy-
draulic pre-ten-
sioning forces [kN]
280
110
560
175
Rev.A
December 2019