Disassembly Procedure; Preparation For Disassembly - Komatsu 4D98 Series Shop Manual

8. Turbocharger (for 4TNE106T)
0.4
Disassembly Procedure
(1) Preparation for disassembly
In addition to the general tools, the following special tools are required for turbocharger disas-
sembly and reassembly:
Tool name
Bar
Use
For removing thrust bearing and thrust
bushing
Illustration
mm
(in.)
Pliers
For removing floating bearing circlip
Material : Copper or brass
Pliers
For removing seal ring
rorque driver
For thrust bearing installation (for M3): Item sold on market
or TORX bolt 13 kgf-cm (1.3N-m)
,multi-
For seal plate installation (for M3):
unctional type)
13 kgf-cm (1.3 N-m)
II
j to 50 kgf-cm
10.5 to 4.9N-m)
(Type : TORX TT20 or equivalent)
30x wrench For fixing turbine shaft
(10 mm x dodecagonal)
Box only may be used.
rorque wrench
For following bolts and nuts:
single
M8 : 13 mm, 285 kgf-cm (28 N-m)
+rpose)
M5 : 8 mm, 48 kgfcm (4.7 N-m)
M5 : 8 mm, 20 kgfcm (2.0 N-m)
Probe For measuring play in axial and
To be installed on a dial gage
radial directions
05 (0.1968)
mm (in.)
(0.2755)
Mount to dii gauge
8-8