Meritor MORH2P035 Series User manual

TP-16117
Issued 06-16
Technical Bulletin
Installing Tone Rings on Planetary
Wheel Ends Used on Meritor
MORH2P035 Series Rear Drive
Axles
TP-16117Issued 06-161 Technical Bulletin
Hazard Alert Messages
Read and observe all Warning and Caution hazard alert messages in
this publication. They provide information that can help prevent
serious personal injury, damage to components, or both.
WARNING
To prevent serious eye injury, always wear safe eye protection
when you perform vehicle maintenance or service.
Park the vehicle on a level surface. Block the wheels to
prevent the vehicle from moving. Support the vehicle with
safety stands. Do not work under a vehicle supported only by
jacks. Jacks can slip and fall over. Serious personal injury and
damage to components can result.
How to Obtain Additional Maintenance,
Service and Product Information
Refer to Maintenance Manual MM-09168, Heavy-Duty Rigid Rear
Drive Axles with Planetary Wheel Ends; and Maintenance Manual
MM-1189, Off-highway Axle Planetary Wheel Ends. To obtain these
publications, visit Literature on Demand at Meritor.com.
How to Obtain Parts
Contact Meritor’s Commercial Vehicle Aftermarket at
888-725-9388.
Table A: Part Required (per Wheel End)
Tools Required
앫0.005″feeler gauge
앫Personal protection equipment (PPE) including heat-resistant
gloves for handling hot items, rated to withstand oven
temperature of 350°F (177°C)
앫Mild-abrasive wire wheel for hub cleaning
앫Scotch-Brite™ pad or 3M brand cleaning pad for hub cleaning
앫Oven to heat tone ring
Tone Ring Installation
This bulletin provides updated instructions for installing tone rings
onto Meritor MORH2 planetary wheel-end hub assemblies.
Procedures
Removal
1. Wear safe eye protection. Park the vehicle on a level surface.
Block the wheels to prevent the vehicle from moving.
2. Raise the vehicle so the wheels to be serviced are off the
ground. Support the axle to be serviced with appropriate
capacity safety stands.
3. Remove the wheel and tire assemblies from the wheel ends as
per the OEM instructions.
4. Place a drain pan under the hub drain plug.
5. Rotate the wheel end so the drain plug is at its lowest position.
6. Remove the drain plug and allow the hub oil to drain
completely from the wheel end.
7. Remove the planetary cover from the wheel end. Refer to
Maintenance Manual MM-1189 for instructions on removing
the planetary cover assembly from the hub.
8. Remove the hub and stud assembly from the axle spindle.
Refer to Maintenance Manual MM-1189 for instruction on
removing the hub and stud assembly from the axle spindle.
Qty. Description Part Number
1 O-Ring 982108
1 Tone Ring 3237R1318
1 Wheel Nut 1227S1735
1 Seal Assembly A 1205P2798

TP-16117
Issued 06-16 (16579)
Page 2 Copyright Meritor, Inc., 2016 Printed in USA
9. Remove and clean the hub bearings. Inspect the bearings as
per Maintenance Manual MM-1189.
If the bearing can be reused, set them aside for reassembly.
Otherwise, discard the bearings and obtain a new set of
bearings for hub reassembly.
10. Clean all oil/grease from the hub bore cavity.
11. Remove all debris and clean the OD of the hub seal bore using
a Scotch-Brite™ pad or 3M brand cleaning pad. Use a
mild-abrasive wire wheel to remove contaminants and any
surface rust. Figure 1 and Figure 2.
Figure 1
Figure 2
Installation
WARNING
Wear heat-resistant gloves and appropriate protective clothing
when working with heating equipment and heated parts.
Coming into contact with hot surfaces and parts can result in
serious personal injury.
1. Heat the tone ring in an appropriate oven for 20 minutes at
350°F (177°C). Wear heat-resistant gloves and appropriate
protective clothing when handling heated parts. Figure 3.
Figure 3
2. Place the hub face down on a clean surface and install the tone
ring onto the hub’s outer diameter. Figure 4.
Figure 4
WARNING
The tone ring will remain hot for a period of time after
installation. Allow the tone ring to cool before continuing
service. Contact with hot parts can result in serious personal
injury or damage to other components.
3. Allow the tone ring to adequately cool before you continue
servicing the hub.
Figure 1
Figure 2
MILD-ABRASIVE
WIRE WHEEL
Clean the OD
of the hub
seal bore.
4012617a
4012619a
CLEAN SURFACE FREE
OF CONTAMINANTS
AND SURFACE RUST
Figure 3
Figure 4
4012648a
HEAT-
RESISTANT
GLOVES
4012616a
USE GLOVES
TONE
RING
CLEAN
HUB
SURFACE

TP-16117
(16579) Issued 06-16
Printed in USA Copyright Meritor, Inc., 2016 Page 3
4. Use a 0.005” inch feeler gauge as shown to ensure the tone
ring is fully seated and is not cocked on the hub. Figure 5.
앫If it is not fully seated or if it is cocked: Remove the tone
ring and repeat the installation process.
Figure 5
5. After allowing the tone ring to cool completely, install the hub
onto the spindle as per Maintenance Manual MM-1189.
6. Install the wheel-end planetary cover as per Maintenance
Manual MM-1189.
7. Fill the wheel-end assembly with the correct level of oil as per
Maintenance Manual MM-1189.
8. Install the wheel and tire assembly as per the OEM
instructions.
Figure 5
FEELER
GAUGE
4012618a
FEELER
GAUGE

Information contained in this publication was in effect at the time the publication was approved for printing and is subject to
change without notice or liability. Meritor Heavy Vehicle Systems, LLC, reserves the right to revise the information presented or
to discontinue the production of parts described at any time.
Copyright 2016 TP-16117
Meritor, Inc. Issued 06-16
All Rights Reserved Printed in USA (16579)
Meritor Heavy Vehicle Systems, LLC
2135 West Maple Road
Troy, MI 48084 USA
866-OnTrac1 (668-7221)
meritor.com