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23.1

Contents Page

Technical Data ............................................................................................................................... 3

Gearbox - sectioned drawing ................................................................................................7

Removing and installing clutch bear-ing/thrust rod/release lever ...................9

Removing and installing gear shift pedal ......................................................................10

Removing gearbox .....................................................................................................................10

Dismantling/reassembling .....................................................................................................12

Replacing shaft seal on neutral switch ................................................................................12

Removing gearbox cover ..........................................................................................................13

Removing selector drum ............................................................................................................14

Removing gearbox shafts .........................................................................................................15

Removing and installing input shaft sealing ring at housing end ............................15

Removing/dismantling/reassembling selector shaft .....................................................16

Removing and installing detent lever .................................................................................................17

Removing and installing shift pawls ...................................................................................................17

Removing and installing torsion spring ..............................................................................................17

Removing and installing selector shaft seal ......................................................................17

Removing deep-groove ball bearing from selector drum ...........................................18

Shimming selector drum ...................................................................................................................18

Removing taper roller bearing race from input shaft and roller bearing from

idler shaft ..........................................................................................................................................18

Installing deep-groove ball bearing on selector drum ..................................................19

Installing taper roller bearing race on input shaft and roller bearing for

idler shaft ..........................................................................................................................................19

Removing and installing deep-groove ball bearing and race/roller bearing for

idler shaft ..........................................................................................................................................20

Dismantling/reassembling input shaft ..................................................................................21

Disassembling/assembling input shaft (Clean Bearing) ...............................................23

23 Gearbox