Fig. 74: Fitting The Locking Device; Table 56: Locking Device Tightening Torque - ABB HT608016 Operation Manual

Operation Manual / A170-M.. - A175-M..
10 Taking a turbocharger out of operation / 10.2 Locking the rotor
10.2.2 Fitting the locking device
CAUTION
Turbocharger damage resulting from rotor unbalance
Removing the balancing screws from the compressor wheel will result in ro-
tor unbalance.
Only use free threaded holes to fit the lifting spigot (74027).
u
Remove the filter silencer or air suction branch (see chapter
u
Fig. 74: Fitting the locking device
Product
A170-M
A175-M
Table 56: 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 the lifting spigot (90441) into the 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 compressor wheel in such a way that the holes in the lifting spigot (90427) corres-
pond with the holes in the assembly/disassembly device (94003).
5. Secure assembly/disassembly device (94003) to the lifting spigot (90427) with screws
(94006).
© Copyright 2021 ABB. All rights reserved.
Part number 72011
170 Nm
220 Nm
HZTL4033_EN
Removing the air inlets
Part number 94006 / 94007
25 Nm
50 Nm
Rev.H
→79).
July 2021