Table of Contents

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Conventional
PreSet®
Hub Assemblies
Hub Assemblies
PreSet Plus®
Hub & Rotor
Hub Assemblies
Assemblies
SERVICE MANUAL
For Steer, Drive, and Trailer Hub Assemblies

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Summarization of Contents

1. Introduction to ConMet Wheel Hubs
Conventional Hubs Overview
Describes ConMet conventional hubs with manual bearing adjustment.
PreSet® Hub Assemblies Explained
Details ConMet PreSet hub assemblies with pre-adjusted bearings.
PreSet Plus® Hub Assemblies Features
Outlines ConMet PreSet Plus hub assemblies with integrated spindle nut.
2. Wheel Hub Inspection Procedures
Hazard Alert Messages for Inspection
Alerts for potential injury or damage during inspection.
General Wheel End Inspection Guidelines
General guidelines for inspecting wheel end components.
Driver Pre-Trip Visual Inspection
Visual checks for wheel end components before vehicle operation.
In Route Inspections Guide
Checks performed during stops while the vehicle is in operation.
Preventative Maintenance Schedule
Scheduled inspections for proactive maintenance of wheel ends.
3. Identification of ConMet Hubs
Wheel Mounting Systems Overview
Overview of hub pilot and ball seat wheel mounting systems.
Identifying ConMet Hub Assemblies
Methods for identifying ConMet hub assemblies for proper servicing.
Identification Numbers Explained
Details on VIN, Casting, Machining, Final Hub, and Julian Date numbers.
4. Conventional Wheel Hubs – Recommended Service
Conventional Hubs Details
Details ConMet conventional hubs with manual bearing adjustment.
Hub Removal and Disassembly
Step-by-step procedure for removing and disassembling conventional hubs.
5. PreSet Wheel Hubs – Recommended Service
PreSet® Hub Assemblies Features
Overview of PreSet hub assemblies and their features.
Hub Removal and Disassembly Steps
Step-by-step procedure for removing and disassembling PreSet hubs.
6. PreSet Plus Wheel Hubs – Reinstallation
Installing the PreSet Plus Wheel Hub Assembly
Step-by-step guide for installing PreSet Plus wheel hubs.
Spindle Preparation for Hub Installation
Cleaning and preparing the spindle for hub installation.
Spindle Nut Torque Specifications
Torque specifications for spindle nuts on PreSet Plus hubs.
7. Lubrication of Wheel Hubs
Drive Hub Lubrication Procedure
Procedures for lubricating drive hubs with oil.
Steer and Trailer Hubs Oil Lubrication
Lubrication instructions for steer and trailer hubs using oil.
Trailer Hubs Semi-Fluid Grease Lubrication
Lubrication procedures for trailer hubs using semi-fluid grease.
8. Brake and Wheel Installation
Caliper Installation Guidelines
Instructions for reinstalling and adjusting brake calipers.
Wheel Installation and Torque
Procedures for installing wheels and torquing lug nuts.
Hub Pilot Wheel Mounting System Installation
Specifics for installing wheels on a hub pilot mounting system.
9. Wheel Hub and Rotor Identification
ConMet Disc Brake Rotors Scope
Scope of this section regarding ConMet disc brake rotors.
Part Number Identification for Rotors
How to identify ConMet rotors by part number.
ConMet Rotor Identification Types
Visual identification of different ConMet rotor types.
10. Hub and Rotor Inspection
Disc Brake Rotor Inspection Procedure
General procedure for inspecting disc brake rotors.
Heat Checks on Brake Rotors
Identifying and understanding heat check patterns on rotors.
Cracks in Brake Rotors
Identifying and evaluating cracks in brake rotors.
11. Hub and Rotor Removal and Disc Replacement
Hub and Rotor Removal Steps
Step-by-step procedure for removing hubs and rotors.
Disc Brake Rotor Replacement Warnings
General warnings and safety for rotor replacement.
Brake Rotor Part Identification
How to identify brake rotors by part number.

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