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TRD-54-T (22.5)
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Maintenance
Axle End Component Cleaning and Inspection
Refer to the Meritor Maintenance Manual 14, Trailer Axles, Section 3.
Axle End Component Assembly
Refer to the Meritor Maintenance Manual 14, Trailer Axles, Section 4.
Wheel Bearing Adjustment
Refer to the Meritor Maintenance Manual 14, Trailer Axles, Sections 8 and 9.
Wheel Bearing Lubrication
Refer to the Meritor Maintenance Manual 14, Trailer Axles, Section 13.
2.5 Wheels and Tires
Wheels
Wheels are a very important and critical component of your running gear. Inspect
them visually for cracks or elongated bolt holes whenever they are removed for any
reason. If it becomes necessary to replace the wheels on your trailer, be certain that
the replacement units match the originals in the following regards:
1. Type. The disc wheels and capnuts on your trailer are of the hub pilot design.
2. Material. Do not mix aluminum and steel disc wheels or aluminum and steel disc
wheel capnuts. This may result in incorrect components being used to secure the wheels,
which can lead to loose wheels resulting in a crash.
3. Fit. Use only the correct matched parts when mounting disc wheels. Incorrect
components can result in separation of the rim components.
4. Bolt Circle. Many bolt circle dimensions are available and some vary by so little
that it might be possible to attach an improper wheel that does not match the axle hub.
Be sure to match your wheel to the axle hub.
5. Capacity. Be sure your wheels have enough load carrying capacity and pressure
rating to match the maximum load of the tire and trailer.
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