Adjusting
Collar
Fig.
6-3-8
Fig.
6-3-9
*
Correct fastening torque
for
main bearing cover mounting screws is:
EY 14 80 %lo0 kg-cm (5.7% 7.2
ft-lb)
EY18-3, EY23, EY25-2 and EY27-2
170 ~190
kg-cm
(12.2
Q
13.7
ft-lb)
CAUTION: Fig. 6-3-9 SHOWS ONE METHOD
OF
MEASURING THE CRANKSHAFT END
PLAY.
THE DISTANCE BETWEEN THE MACHINED SURFACE
OF
CRANKCASE AND
ADJUSTING COLLAR IS MEASURE’D. THE COMPRESSED THICKNESS
OF
BEARING
COVER
PACKING IS 0.25
mm
(EY14, EY18-3 and EY23) and 0.15
mm
(EY25-2, EY27-2)
TAKE THIS THICKNESS INTO CALCULATION WHEN DETERMINING THE END PLAY.
6-3-10 CAMSHAFT and TAPPETS
1)
Remove
camshaft from crankcase.
-,
In
this
ease,
to
prevent tappets from falling out and becoming damaged, turn crankcase over
on its side
as
shown in Fig. 6-3-10.
2)
Withdraw tappets and
mark
them
for
identification with the hole
from
which they were
removed.
3)
In reassembly; *put tappets
back
in their corresponding
hole
first and then mount
camshaft.
Do not forget
to
mount thrust sleeve on camshaft.
*
Timing
marks
on camshaft gear and crankshaft gear must
be
matched
up.
If valve timing
is
off,
engine
will
not function properly
or
may not
run
at
all.
(See
Fig.
6-3-1
1)
I
F3.
6-3-
70
-
26
-
Fig.
6-3-
1
1
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