16 ENGINE 140
» If the sliding gear does not move easily:
– Change the sliding gear or the main shaft.
– Check sliding gears 5 for smooth operation in the profile of countershaft 3.
» If the fixed gear does not move easily:
– Change the sliding gear or the countershaft.
– Check stop disks 7 for damage and wear.
» If there is damage or wear:
– Change the stop disk.
– Use new lock rings 8 in every repair job.
– Check bearing bushes 9 for damage and wear.
» If there is damage or wear:
– Change the bearing bush.
16.4.37 Assembling the main shaft
Info
Use new lock rings in every repair job.
Preparatory work
– Oil all parts carefully before assembling.
– Check the transmission. ( p. 139)
Main work
301980-02
– Fix the main shaft in the vise with the geared end facing downward.
Guideline
Use soft jaws
– Lubricate and mount bearing bush 1.
Long-life grease ( p. 208)
– Push on the fifth-gear idler gear 2 with the shift dogs facing upward.
– Mount stop disk 3 and lock ring 4.
– Push on the third/fourth-gear sliding gear 5 with the small gear wheel facing downward and mount lock ring 6.
– Push on stop disk 7 and split needle bearing 8.
– Push on the sixth-gear idler gear 9 with the shift dogs facing downward.
– Push on the second-gear fixed gear bk with the collar facing downward and mount stop disk bl.
– Finally, check all gear wheels for smooth operation.