Yanmar 4LHA-DTP - Disassembly Procedure; Preparation for Disassembly

Chapter 4 Intake and Exhaust System
4. Turbocharger
i 4LHA Serk
4-5 Disassembly Procedure
4-5-1 Preparation for disassembly
In addition to the general tools, the following special tools are required for disassembling and
reassembling the turbocharger.
Tool name
Use
Illustration
Bar
For removing thrust bearing and thrust
bushing
106
'MjrufrtrttmAU
Material: Copper or brass
Pliers
For removing and installing floating
bearing retaining ring
Pliers
For removing and installing seal ring
Torque screwdriver for
TORX bolt
(Universal type)
5 to 50kgf-cm
(0.49 to 4.90 N-m)
Available in the market
For installing thrust bearing, for
IVI4(l.27±0.1N-m(13kgfcm)]
(Type: TORX TT20 or equivalent)
Torque wrench for
TORX bolt
(Universal type)
For installing turbine housing, for M8
[28+1Nm(285kgf-cm)]
For installing compressor housing,
forM8 [23+1N m(230kgf cm)]
For installing seal plate, for
M8(23±1N-m(230kgf-cm))
Available in the market
(Type: TORX TT40 or equivalent)
Torque wrench
(single purpose type)
For tightening shaft end nut, for
M7[7.84Nm(80kgfcm))
Box spanner
For fixing turbine shaft
(14mm x 12 pointed head)
Box part alone may be used.
Probe
For measuring play in axial and radial
directions
8 2:60
To be attached to a dial indicator
15
10R-5R
11 24
To be knurled here
(rolette)
10R.
5R
H 0.26X0.45
4-11