HEXA

GEAR BOX

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

, 2

, 3

, 4

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.