Endurant XD
TRTS0960 EN-US
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December 2024 - D

Manually Actuate Rail B Procedure

Special Instructions

None

Special Tools

  • Mechanical Diagnostic Kit (RR2011TR)

Component Identification

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1. MTM Cap Screws, Long (x4) - 13 mm

2. MTM Cap Screws, Special (x2) - 15 mm

3. MTM Cap Screws (x14) - 13 mm

4. Mechatronic Transmission Module (MTM)

5. Main Housing

6. Output Speed Sensor Connector

Procedure – Manually Actuate Rail B

  1. Install the Rail B Engagement Tool (RR1088TR) to the Main Housing

  2. Install and hand tighten 2 MTM cap screws leaving a 3.175 mm (1/8 inch) gap between the cap screws and tool base.

    Notice
    Hand tighten cap screws only, do not torque. Rail B Engagement Tool must remain loose to ensure complete movement of the synchronizer sliding sleeve. Over torqued cap screws result in binding between tool and sliding sleeve.
    _Graphics/Raster/TRTS0960_Appendix_RailB_1.png_Graphics/LineArt/RailEngagementTool_v6.png

  3. Shift Rail B Synchronizer Sliding Sleeve into the Fore position.

    Caution
    Keep fingers clear of pinch points between tool, synchronizer and gears. Failure to keep fingers clear results in personal injury.
    Notice
    Rotate the Input Shaft while shifting the Rail B Synchronizer sliding sleeve to allow synchronizer sleeve to mesh with gear. May need to neutralize Rail C and D sliding clutches.
    _Graphics/Raster/TRTS0960_Appendix_RailB_2.png

  4. Inspect the Rail B Synchronizer for three synchronizer rollers. Rotate the Input Shaft to view the three rollers.

    • If all three synchronizer rollers are present, return to the troubleshooting procedure.
    • If one or more synchronizer rollers are not present, contact Eaton Cummins Automated Transmission Technologies for further diagnostic instructions. For Help Line phone numbers, go to Contact Information.
    _Graphics/Raster/RailB_Roller_Callout.png