Chapter 4 Intake and Exhaust System
4. Turbocharger ^ ^
(9)
Measurement
of
turbine
shaft
play
See
the inspection procedure in section 3.8.4.2.2 for
the measurement method.
If the turbine shaft play does not satisfy the standard,
reassembly
is necessary since poor assembly or use
of a wrong part is conceivable.
1) Turbine shaft play in axial direction
Service
standard: 0.06 to 0.09 mm
2) Turbine shaft play in radial direction
Service
standard: 0.10 to 0.17 mm
4-8
Handling
after
Disassembly and Reassembly
When
installing the turbocharger on the engine or
handling the turbocharger after installation, strictly
observe
the instructions given below.
Especially
pay
full
attention for preventing foreign
matter entrance into the turbocharger.
4-8-1
Instructions
for
turbocharger
installation
(1) Lubrication
path
1) Add new engine oil through the oil inlet port
before installation on the engine, and manually
turn
the turbine shaft to lubricate the floating and
thrust bearings.
2) Flush the oil inlet pipe from the engine and outlet
pipe,
and check for crushed pipe and
dirt
or
foreign matter remaining in the pipes.
3) Connect the pipes securely so as to ensure no oil
leak
from joints.
(2)
Intake
path
1)
Check
the intake line for foreign matter or
dirt.
2) Connect securely to prevent any air leak from
joints
with
the intake duct and air cleaner.
(3) Exhaust
path
1)
Check
the exhaust system for
dirt
and foreign
matter.
2)
Since
heat resistant steel nuts and bolts are used
for the installation, do not use ordinary nuts and
bolts for other use. Always apply anti-seizure
agent on set nuts and bolts at tightening. (Use
heat resistant bolts for the turbine housing.)
3) Connect exhaust pipes securely to prevent gas
leak
from each pipe
joint.
4-22
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