Yanmar 4LHA-HTP Operation Manual page 498

Chapter 4 Intake and Exhaust System
4. Turbocharger
(6) Installation of compressor impeller
1) Fit compressor impeller onto turbine shaft © .
2) Set a box spanner (14 mm) on the turbine side
end of turbine shaft © and tighten shaft end nut
< 2 > .
- [NOTICE]
Since the shaft end nut has the left-handed
thread, pay attention to the tightening
direction.
Tightening torque:
7.84±0.5N-m(80±5kgf-cm)
(7) Installation of compressor housing
1) Apply the liquid gasket (Three Bond No. 1207) to
the compressor side flange surface of seal plate
©.
Note: For the applying position, see 3.8.7.2.5.
Liquid gasket thickness: 0.1 to 0.2 mm
2) Assemble compressor housing ® to bearing
housing®, aligning match marks marked before
disassembly.
r- [NOTICE]
If the parts are replaced, install while
confirming the oil inlet and outlet positions
and the exhaust gas inlet position.
3) Tighten M8 TORX bolt @ using the TORX torque
wrench.
Tightening torque:
22.56+1N-m(230±10kgf-cm)
(8) Installation of boost hose
1) Place hose clip @ on the center of boost hose @.
2) Fit boost hose @ to compressor housing @ and
waste gate actuator®
3) Move hose clip ® to the nipple portion of
compressor housing ® and waste gate actuator
® , to prevent boost hose @ from disconnection.
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4LHA Seri,