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Eaton FO-20E318B-MXP User Manual

Eaton FO-20E318B-MXP
266 pages
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Service Manual
UltraSh
ift PLUS
Automated Transmissions
TRSM0940 EN-US
October 2022
Linehaul Active Shifting (LAS)
Vocational Active Shifting (VAS)
Multipurpose Extreme Performance (MXP)
Multipurpose High Performance (MHP)
Vocational Construction Series (VCS)
Vocational High Performance (VHP)
Vocational Multipurpose Series (VMS)
Vocational Extreme Performance (VXP)

Table of Contents

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Eaton FO-20E318B-MXP Specifications

General IconGeneral
BrandEaton
ModelFO-20E318B-MXP
CategoryMicrophone system
LanguageEnglish

Summary

Service Manual

UltraShift PLUS Automated Transmissions TRSM0940 EN-US

Details the specific model and manual designation for the automated transmissions.

General Information

Warnings & Cautions

Provides critical warnings and cautions for safe operation and to prevent damage.

Timing Procedures

Details the procedures for timing the counter shaft assemblies for proper gear meshing.

Preventive Maintenance

Outlines regular maintenance checks and procedures to ensure optimal transmission performance.

Assembly Precautions

Provides essential precautions to follow during the assembly process.

Disassembly Precautions

Provides essential precautions to follow during the disassembly process.

Assembly and Disassembly Precautions

Provides essential precautions to follow during the assembly and disassembly processes.

Auxiliary Section Service Procedures

LAS/VAS Auxiliary Section Removal and Disassembly – In Chassis

Covers the removal and disassembly of the LAS/VAS auxiliary section while the transmission is installed in the chassis.

LAS/VAS Auxiliary Section Removal and Disassembly

Details the removal of specific parts like the splined spacer and stepped washer.

LAS/VAS Auxiliary Section Assembly and Installation

Details the procedures for assembling and installing the LAS/VAS auxiliary section.

VCS/VMS Auxiliary Section Removal and Disassembly

Outlines the procedure for removing the auxiliary section hanger and other components.

VCS/VMS Auxiliary Section Assembly and Installation

Details the procedures for assembling and installing the VCS/VMS auxiliary section.

MHP/MXP/VHP/VXP Auxiliary Section Removal and Disassembly

Covers the removal and disassembly of the MHP/MXP/VHP/VXP auxiliary section.

MHP/MXP/VHP/VXP Auxiliary Section Assembly and Installation

Details the procedures for assembling and installing the MHP/MXP/VHP/VXP auxiliary section.

In Chassis

Details the step-by-step procedure for removing the auxiliary section while the transmission is in the chassis.

LAS/VAS Auxiliary Section Removal

Continues the procedure for removing the LAS/VAS auxiliary section from the main case.

LAS/VAS Auxiliary Section Assembly

Covers the steps for assembling the output shaft and auxiliary reduction gear.

LAS/VAS Auxiliary Counter Shaft Installation and Timing

Details the installation and timing procedures for the auxiliary counter shaft.

LAS/VAS Auxiliary Section Installation in Chassis

Continues the installation process, including securing the auxiliary case and checking for timing issues.

LAS/VAS Auxiliary Counter Shaft Shimming

Details the shimming procedure for the auxiliary counter shaft to set bearing endplay.

In Chassis Auxiliary Section Removal

Details the steps for removing the VCS/VMS auxiliary section while the transmission is in the chassis.

Auxiliary Section Removal

Continues the procedure for removing the MHP/MXP/VHP/VXP auxiliary section.

Auxiliary Section Disassembly

Continues the disassembly process, focusing on removing countershafts.

Auxiliary Section Assembly

Covers the initial steps for assembling the low range gear and coupler.

Auxiliary Countershaft Assembly and Timing

Details the assembly and timing procedures for the auxiliary countershaft.

Auxiliary Mainshaft Assembly

Covers the steps for assembling the reduction gear and rear washer onto the output shaft.

Auxiliary Countershaft Installation

Details the installation and timing procedures for the auxiliary countershaft.

MHP/MXP/VHP/VXP Auxiliary Countershaft Installation

Details the installation and timing procedures for the auxiliary countershaft.

Auxiliary Countershaft Shimming and Installation

Details the shimming procedure for the auxiliary countershaft to set bearing endplay.

VCS/VMS Auxiliary Section Removal and Disassembly – In Chassis

Outlines the process for removing and disassembling the VCS/VMS auxiliary section while the transmission is in the chassis.

MHP/MXP/VHP/VXP Auxiliary Countershaft Installation

Details the installation and timing procedures for the auxiliary countershaft in MHP/MXP/VHP/VXP models.

Removal and Installation

VCS/VMS Combination Valve

Covers the removal and installation procedures for the VCS/VMS combination valve.

Input Shaft

Details the removal and installation process for the transmission's input shaft.

Clutch Housing

Provides instructions for the removal and installation of the clutch housing.

Electronic Clutch Actuator (ECA)

Covers the removal and installation of the electronic clutch actuator.

Release Yoke and Cross-Shaft(s)

Details the removal and installation of the release yoke and cross-shaft assembly.

Transmission Electronic Control Unit (TECU)

Details the removal and installation of the transmission electronic control unit.

Auxiliary Section Installation

Continues the installation process, including shimming and cover installation.

Replacing Input Shaft without Disassembling the Main Case or Removing Clutch Housing

Details the process of removing the input shaft and its bearing.

ECA Removal

Continues the procedure for removing the ECA, including notes on alignment.

TECU Removal

Details the steps for removing the transmission electronic control unit (TECU).

TECU Installation

Provides instructions for installing the transmission electronic control unit (TECU).

ECA Installation

Provides the steps for installing the electronic clutch actuator into the transmission housing.

Disassembly and Assembly

Shift Bar Housing

Covers the disassembly and assembly of the shift bar housing.

Appendix

Oil Leak Inspection Process

Provides a systematic process for inspecting and identifying oil leaks in the transmission.

Inspection Procedure

Outlines procedures for inspecting transmission components before reassembly.

Torque Specifications

Lists torque specifications for various fasteners and components of the transmission.

Lubrication Specifications

Provides information on lubrication requirements, operating temperatures, and maintenance intervals.

Torque Specifications LAS/VAS

Lists torque specifications for various fasteners and components specific to LAS/VAS models.

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