16 ENGINE 133
305902-10
– Check collar bushings 1 for damage and wear.
» If there is damage or wear:
– Change the collar bushings.
– Check the pivot points of main shaft 2 and countershaft 3 for damage and wear.
» If there is damage or wear:
– Change the main shaft and/or countershaft.
– Check the tooth profiles of main shaft 2 and countershaft 3 for damage and wear.
» If there is damage or wear:
– Change the main shaft and/or countershaft.
– Check the pivot points of idler gears 4 for damage and wear.
» If there is damage or wear:
– Change the gear wheel pair.
– Check the shift dogs of idler gears 4 and sliding gears 5 for damage and wear.
» If there is damage or wear:
– Change the gear wheel pair.
– Check the tooth faces of idler gears 4, sliding gears 5, and fixed gear 6 for damage and wear.
» If there is damage or wear:
– Change the gear wheel pair.
– Check the tooth profiles of sliding gears 5 for damage and wear.
» If there is damage or wear:
– Change the gear wheel pair.
– Check sliding gears 5 for smooth operation in the profile of main shaft 2.
» 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 sliding 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 with every repair.
16.4.24 Assembling the main shaft (125 Duke)
Info
Use new lock rings in every repair job.
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