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GEAR BOX
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17.Take out the reverse gear assembly.
18. Remove needle roller cage.
INSPECTION
Following points should be checked before starting
to assemble the main shaft:
•
Gear teeth for breakage, wear, pitting, scoring
and overheating marks.
•
Bearing seats for rotation marks.
•
Splines for breakage, burrs and wear on sides.
•
Main shaft oil seal lip contact area for wear.
•
Main shaft diameter and collar for scoring, rub-
bing and overheating marks.
SYNCHRO CONE INSPECTION
•
Inspect cone surface for wear on 1
st
, 2
nd
, 3
rd
, 4
th
&
5
th
main shaft gear.
•
Place the synchro cone on matching gear cone
and rotate until it stops (approx. 10 to 20 de-
grees) then measure the clearance between ring
and gear.
•
Check for synchro cone gaps. It should be 1 + 0.3
mm.
SYNCHRO SLEEVE AND HUB INSPECTION
•
Inspect the gear teeth on all synchro hubs and
sleeves for rounded off corners, indicating wear.
•
Install each hub in its mating sleeve and check for
free movement.