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T RANSM I S S IO N Mainshaft and gears clearance checks. Running clearances ' Mainshaft 1st gear shaft bearing maximum Third gear end-float. Locate t h e mainshaft in a vertical position as shown. Fit t h e third roller bearing and spacer t o t h e mainshaft and replace t h e synchromesh inner down on t h e synchromesh inner member and clearance in excess of indicates that the thrust faces are worn and may b e the cause of gear noise o r transmission back-lash. New or little worn components will usually have a clearance of between and to Second gear end float Invert the mainshaft f o r assembly of t h e rear end components. 3. Fit t h e s e c o n d gear needle roller bearing, spacer, Second gear and synchromesh inner is t h e same as the third gear previously described. I 4. Remove t h e synchromesh inner member and it t o the outer member with the slippers, balls and springs. 5. Fit the second gear baulk ring to t h e mainshaft and the first and s e c o n d synchromesh hub with the selector groove towards the rear end of the items to 1 7 mainshaft page 6. to bush end-float. 6 . To carry-out the first gear check, d o not assemble the components t o t h e mainshaft. Assemble t h e spacer, needle bearing and bush as tolerance is t h e same as for t h e third and second gears. 21 |