30JENGINE
-
WORK
ON
THE
INDIVIDUAL
PARTS
-
Change
the
grooved
ball bearing.
- Check the shift roilers for
damage
and
wear.
~
If
there
is
damage
or
wear:
-
Change
the shift railers.
-
Check
the
springs
of
the
shift
rails
for
damage
and
wear.
•
If
the spring is damaged
or
worn:
-
Change
the spring of the shift rail.
- Check the shift rails for run-out
on
a flat surface.
~
If
there
is
run-out:
-
Change
the shift rail.
-
Check
the
shift
rails
for
scoring,
wear
and
smooth
operation
in
the
shift
forks.
•
If
scoring
or
wear
is present or of the shift fork is stiff:
-
Change
the shift rail.
- Check sliding plate for
wear
on
contact
areas
•
If
the sliding plate is
worn:
-
Change
the sliding plate.
- Check return surface
on
the sliding plate for
wear.
~
If
there
is
severe
grooving:
-
Change
the sliding plate.
-
Check
guide
bolts
for
firm
seating
and
wear.
•
If
the guide bolts
are
loose
or
worn:
-
Change
the sliding plate.
- Preassemble the shift shaft.
('
r
p.
154)
- Check clearance between the sliding plate
and
the shift quadrant.
300122-01
Preaaemblinl
the
shill
shall
Shift shaft - sliding plate/shift quad-
rant
clearance
0.40
...
0.80
mm
(0.0157 ...
0.0315
in)
•
If
the
measured
value
does
not
meet
specifications:
-
Change
the sliding plate.
- Secure the short
end
of the shift shaft
in
the bench vise.
Guideline
I
Use
soft
jaws.
154
- Mount sliding plate with the guide pin facing downward
and
put the guide pin
on
the shift quadrant.
-
Mount
pressure
spring
- Slide
on
spring guide
,push
return spring
,with
the offset
end
facing upward,
over
the spring guide
and
lift
the offset
end
over
abutment bolt
- Mount stop disk
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