2019.04.4
© 2018 Eaton Cummins Automated Transmission Technologies. All rights reserved
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TRSM0950 Installation | Main Shaft and Countershaft Installation 
34. Install Lower Countershaft Flat Washer and Snap Ring.
NOTICE: A new snap ring is required when reinstalling. 
A used snap ring may detach from countershaft and 
result in transmission component damage. 
35. Perform “Lower Countershaft Cover and Inertia Brake 
Installation” on page 143. 
36. Install Input Shaft Snap Ring.
NOTICE: A new snap ring is required when reinstalling. 
A used snap ring may detach from Input Shaft and 
result in transmission component damage. 
37. Perform “Input Shaft Cover Installation” on page 147.