Chapter
4 Intake and
Exhaust System
4.
Turbocharger
4LHA
Serie.
(6) Thrust bushing ®, oil thrower ®
and
thrust
bearing@
Check
each
part for wear,
surface
defect and
dis-
coloration.
Replace
with a new one if
defective
even
if
dimensions
G and K are within the
wear
limit.
1) Thrust bushing ©
Measure the seal ring groove
width
(K) of the
thrust busing. Replace
with
a new one if the
measured value exceeds the
wear
limit.
Wear
limit:
4.48 mm
2) Oil thrower (3)
Measure the seal ring groove
width
(G).
Replace
with
a new one if the measured value
exceeds the
wear
limit.
Wear
limit:
1.52 mm
Thrust
bushing
[Urt
K
IT
Oil
thrower
(Measuring
dimensions
ot thrust
bushing)
3) Thrust bearing@
Measure the thrust bearing
width
(J). Replace
with
a new one if the measured value exceeds
the
wear
limit.
Wear
limit:
4.28 mm
(7) Floating
bearing(2i)
1) Check the floating bearing for abnormal
wear,
discoloration or surface defect. Replace
with
a
new one if defective.
2)
Measure inside diameter (C) and outside
diameter (D) of the bearing.
If it exceeds the
wear
limit,
replace.
Wear
limit
Outside diameter: 15.98 mm
Inside
diameter: 11.46 mm
4-17