ENGINE 17
If there is damage or wear:
-
Change the shift rollers.
-
Check shift rails
C,
on a flat surface for run-out.
If there is run-out:
-
Change the shift rails.
-
Check the shift rails for scoring, wear, and smooth operation in the shift forks.
If there is scoring or corrosion, or if the shift fork is stiff:
-
Change the shift rails.
-
Check sliding plate
0
in contact areas
(i)
for wear.
If the sliding plate is worn:
-
Change the sliding plate.
-
Check return surface
@)
on the sliding plate for wear.
If deep notches are present:
-
Change the sliding plate.
-
Check guide pin @ for looseness and wear.
If the guide pin is loose and/or worn:
-
Change the sliding plate.
310356-10
17.4.35 Preassembling the shift shaft
I
/
8
C,
/
,:,
,_
�
a,
• ✓
/
9
d
310355-10
-
Preassemble the shift shaft. (
0
p. 211)
-
Check clearance
O
between the sliding plate and the shift
quadrant.
Shift shaft - sliding
plate/shift quadrant
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.
-
Mount sliding plate
O
with the guide pin facing downward
and put the guide pin on the shift quadrant .
-
Mount pressure spring
8.
-
Slide on spring guide (D, push return spring
C,,
with the
offset end facing upward, over the spring guide and lift the
offset end over abutment bolt
0.
-
Mount washer (D.
..
..
211