Table 44 Locking Device Tightening - ABB A175-M66 Operation Manual

Operation Manual / 4 Product description / A100-M axial
9 Taking a turbocharger out of operation
9.2.2 Fitting the locking device
Turbocharger damage resulting from rotor unbalance
Removing the balancing screws from the compressor wheel will result in
rotor unbalance.
CAUTION
Only use free threaded holes to fit the lifting spigot (74027).

Remove filter silencer or air suction branch (see chapter entitled Removing / Installing air-

inlets [➙ 60]).
Figure 59: Fitting the locking device
Product
A170-M
A175-M
Table 44: Locking device tightening torque
1. Press off the spinner nose cone (25012) with the press-off screw (90917).
2. Remove two studs (72026) and three screws (72011) in the upper area.
3. Insert lifting spigot (90427) into compressor wheel.
Screw screws (94007) into the free threaded holes of the compressor wheel.
4. Position assembly/disassembly device (94003) with screws (72011) and lifting spigot
(90427).
Rotate the compressor wheel so that the holes in the lifting spigot (90427) align with the
holes in the assembly/disassembly device (94003).
5. Fasten assembly/disassembly device (94003) to lifting spigot (90427) with screws (94006).
© Copyright 2016 ABB. All rights reserved.
Part number 72011
170 Nm
220 Nm
HZTL4033_EN
Page 95 / 113
Part number 94006 / 94007
25 Nm
50 Nm
Revision A July 2016