Page ii XX69RT Series - Service & Parts Manual
November 2022
Table of Contents
Chapter 1 - Service � � � � � � � � � � � � � 1
Service Introduction
. . . . . . . . . . . . . . . . . 1
Section 1 - MEC Operator Policy
. . . . . . . . . . . . . 2
MEC Operator Policy � � � � � � � � � � � � � � � � � � � 2
Section 2 - Safety Symbols & General Safety Tips . . . . . . . . 3
Safety Symbols & General Safety Tips � � � � � � � � � � � � � � 3
Section 3 - Specications . . . . . . . . . . . . . . . 4
3369RT Specications� � � � � � � � � � � � � � � � � � � 4
4069RT Specications
� � � � � � � � � � � � � � � � � � � 5
Section 4 - Torque Specications . . . . . . . . . . . . . 6
Bolt Torque Specication - American Standard � � � � � � � � � � � � 6
Bolt Torque Specication - Metric Standard � � � � � � � � � � � � � 7
Hydraulic Components Torque Table � � � � � � � � � � � � � � � 8
Section 5 - Troubleshooting . . . . . . . . . . . . . . 9
XX69RT Fault Codes � � � � � � � � � � � � � � � � � � � 9
Section 6 - Maintenance. . . . . . . . . . . . . . . . 11
Maintenance � � � � � � � � � � � � � � � � � � � � � 11
Pre-Delivery Preparation Report � � � � � � � � � � � � � � � � 12
Maintenance Inspection Report � � � � � � � � � � � � � � � � 13
Daily Checklist � � � � � � � � � � � � � � � � � � � � � 14
Quarterly Checklist � � � � � � � � � � � � � � � � � � � 18
Semi-annual Checklist� � � � � � � � � � � � � � � � � � � 24
Annual Checklist � � � � � � � � � � � � � � � � � � � � 25
Two Year Checklist � � � � � � � � � � � � � � � � � � � 30
Section 7 - Schematics . . . . . . . . . . . . . . . . 33
Drive Manifold, XX69RT � � � � � � � � � � � � � � � � � � 33
Function Manifold, XX69RT � � � � � � � � � � � � � � � � � 35
Electrical Schematic, XX69RT� � � � � � � � � � � � � � � � � 37
Hydraulic Schematic, XX69RT � � � � � � � � � � � � � � � � 38
Chapter 2 - Parts � � � � � � � � � � � � � � 40
Parts Introduction
. . . . . . . . . . . . . . . . . 40
Section 8 - Chassis
. . . . . . . . . . . . . . . . . 41
Steer Axle Assembly Installation � � � � � � � � � � � � � � � � 41
Steer Axle Assembly � � � � � � � � � � � � � � � � � � � 43
Rear Axle Assembly Installation � � � � � � � � � � � � � � � � 45
Left Rear Wheel Assembly � � � � � � � � � � � � � � � � � 47
Right Rear Wheel Assembly � � � � � � � � � � � � � � � � � 49
Rear Motor Assembly � � � � � � � � � � � � � � � � � � � 51