Operation Manual / 4 Product description / A100-L
Taking a turbocharger out of operation
Page 95 /
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Figure 58: Locking the rotor
Dismantle the filter silencer
(Dismantling the filter silencer [➙ 65]).
1. Loosen retaining nuts (N) and remove with screws (B
1
).
2. Turn back the screw (B
2
) until the slot of the locking device (94003) is fully open.
3. Position the slot of the locking device on a fin of the wall insert (77000).
4. Align the hole circle of the locking device with the drill holes in the compressor wheel
(25000).
5. Fit at least 9 screws (B
1
) (refer to the table below for the tightening torque) without the re-
taining nuts (N).
If more than 3 drill holes in the hub of the compressor wheel are occupied by set screws,
the corresponding number must be unscrewed.
6. Fit screw (B
2
) (refer to the table below for the tightening torque).
Tightening torques of screws B
1
,B
2
[Nm]
A165-L 25 M8
A170-L 25 M8
A175-L 45 M10
A180-L 45 M10
A185-L 75 M12
A190-L 75 M12
Table 43: Tightening torque (locking device)
9.3.2 Engines with bypass around the turbocharger
The chapter only applies for engines with one turbocharger and for systems on which the con-
nections for a bypass have been prepared and the necessary pipe connections have been
provided.
Close the lubricating oil supply to the turbocharger.
Open the bypass around the turbocharger.
Observe specifications from enginebuilder.
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