ABB A275-L Montaj Talimatları Kılavuzu - Sayfa 15
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Assembly Instructions / A200-L
4 Installing the turbocharger / 4.2 Steps for fastening the turbochar-
ger
Torque-controlled tightening
Product
A255-L
A260-L
A265-L
A270-L
A275-L
A280-L
Table 6: Tightening torques (foot screws)
Angle-controlled tightening
Product
Thread size
A255-L
M27
A260-L
M27
A265-L
M22
A270-L
M27
A275-L
M30
A280-L
M33
Table 7: Tightening angle (foot screws)
Pinning of turbocharger feet with positioning pins
If the turbocharger is pinned at its feet, one pin hole per foot must be used.
© Copyright 2020 ABB. All rights reserved.
Thread size
Height a of foot
M27
M27
M22
M27
M30
M33
Height a
Pre-tightening
foot
torque
[mm]
[Nm]
60
220
60
220
86
120
100
220
120
300
136
400
HZTL455311P0001_EN
Tightening torque
[mm]
60
60
86
100
120
136
Tightening
angle
tightening angle for
height a
[DEG]
30
30
30
30
30
35
Rev.A
[Nm]
830
830
440
830
1100
1500
Additional
every 10 mm of ad-
ditional screw
length b
[DEG]
3.1
3.1
3.7
3.1
2.6
2.6
July 2020