Chapter 2 Basic Engine
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3,4JH3(BXC)E
(3)
Measure
!he
camshaft
outer
diameter
and
the
camshaft
bearing
inner
diameter. Replace if they
exceed the wear limit or are damaged.
Gear case side
Camshaft journal outside dia.
44.925~44.950
Camshaft journal
bushing
inside
dia.
44.990~45.050
Cylinder block bearing inside dia.
-~-
Oil clearance
0.040~0.125
(4)
Bending
of the crankshaft
Support both ends
of
the crankshaft with V•bfocks,
place a dial gauge against the central bearing areas
and
measure bending. Replace if excessive.
Dial gauge
NOTE : The reading on
the
dial gauge
is
divided
by
two to
obtain the extent
of
bending.
mm
Wear
limit
Camshaft deflection
Less
than
0.02
I
mm
Standard
Intermediate Flvwheel side
Wear limit
44.910~44.935
44.925~44.950
44.8
--
~-
--
45.000~45.025
45.000~45.025
-~
0.065~0.115 0.050~0.100
0.2
2-22
6-2
Tappets
(1) The tappets are offset
to
rotate during operation and
thereby prevent uneven wearing. Check the contact of
each tappet and replace
if
exces~ively
or
uneveniy
worn.
Abnormal contact Normal contact
Offset
Offset
NOT£ : When removing tappets, be
sure
to
keep them
separate for each cylinder and intake/exhaust
valve.
Printed in Japan
HINSHI-H8009
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