2022.10.7
© 2022 Eaton Cummins Automated Transmission Technologies. All rights reserved.
217
TRSM0940 Disassembly and Assembly | Main Case Main Shaft without Low Force Gearing Disassembly 
13. Remove 4th Gear (5th for direct drive) from the Main 
Shaft.
14. Remove the last stepped washer from the Main Shaft. 
Note: There are 2 types of washers on the Main Shaft, 
stepped and no burn. The no burn washers are flat on 
both sides, while the stepped washers on one side and 
have a raised edge or step on the other. The stepped 
washers should have the stepped side contacting the 
sliding clutches and the flat side contacting the gear.