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Operation Manual / 4 Product description / A200-L
9 Taking a turbocharger out of operation / 9.2 Taking defective tur-
bochargers out of operation
Product
A255-L
A260-L
A265-L
A270-L
A275-L
A280-L
Table 47: Tightening torque B
Dismantle the filter silencer
u
(Dismantling the filter silencer
1. If present: Loosen and remove the connecting screw at the centre of the spinner nose
cone (25012). Dismantle spinner nose cone with press-off screw (90924).
2. Loosen retaining nuts (N) and remove screws (B
3. Loosen screws (B
2
4. Align the locking device to a fin of the wall insert (77000) and align the hole circle to the
drill holes in the compressor wheel (25000).
5. Secure the locking device to the compressor wheel with the maximum possible number
of screws (B
). Observe tightening torque. Assembly with at least 6 screws is mandatory.
1
The maximum possible number of screws to be fitted (B
compressor wheel are partially occupied by set screws.
6. Align the bracket (94020) to a fin of the wall insert and fit screws (B
screw (B
). Observe tightening torque.
3
9.2.4
Engines with bypass around the turbocharger
The chapter only applies for engines with one turbocharger and for systems on which the
connections for a bypass have been prepared and the necessary pipe connections have been
provided.
Close the lubricating oil supply to the turbocharger.
u
Open the bypass around the turbocharger.
u
Observe specifications from enginebuilder.
u
© Copyright 2020 ABB. All rights reserved.
B
[Nm]
1
M5
6
M8
20
M8
25
M10
45
M10
45
M12
75
, B
, B
1
2
3
→61).
) and remove with washers.
B
[Nm]
2
M12
75
M12
75
M12
75
M12
75
M12
75
M12
75
).
1
) varies, as the threads in the
1
HZTL4036_EN
B
[Nm]
3
M8
25
M8
25
M8
25
M8
25
M8
25
M8
25
) with washers and
2
Rev.R
October 2020
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