GEAR BOX 34 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, rubbing and overheating marks. SYNCHRO CONE INSPECTION Inspect cone surface for wear on 1st, 2nd, 3rd, 4th & 5th main shaft gear. Place the synchro cone on matching gear cone and rotate until it stops (approx. 10 to 20 degrees) 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.
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