Spicer Use of Axilock Wheel Bearing Lock Nut System on al User Manual download pdf

Drive Axles Service Procedures

and Parts Information

Spicer

Components Bulletin

Use of Axilock

™

Wheel Bearing

Lock Nut System on all Spicer Drive Axles

ABIB-9703

3/97

Important Safety Information

Spicer has concluded that a potential compatibility problem exists between the Axilok Wheel Bearing Nut System and Spicer

axle models.

Most Spicer drive, steer, and trailer axle models contain a milled keyway slot in the axle spindle end. This slot engages a

locking tab on the wheel bearing nut locking mechanism to prevent loosening of the nut service. The length of this slot in

certain Spicer models may not be sufﬁcient to accommodate the locking tab on the Axilok Nut. This dimensional condition

may cause the tab to be deformed or damaged during installation. If this occurs, the tab’s ability to prevent rotation of the nut

during vehicle operation may be compromised. The nut could loosen completely, allowing the wheel to seperate from the axle.

The attached table summarizes the compatibility status of the Axilok Nut System with each Spicer axle model. The Axilok Nut

System must not be retroﬁtted on those Spicer Axles noted to be incompatible with the Axilok nut.

Several truck and trailer OEM’s are offering the Axilok Nut System either as standard equipment or as an option. To

accommodate these requirements, Spicer has made dimensional revisions to some axle models which allow the Axilok Nut to

be used. Axilok nuts installed as part of the original equipment package by OEM truck and trailer manufacturers can be

considered acceptable, unless notiﬁcation is received from the OEM to the contrary.

Please pass this important information on to your customers and appropriate individuals within your organization. If you have

any questions concerning this issue, please contact Spicer Marketing at 1-(800)826-4357.

WARNING: REPLACEMENT OF SPICER AXLE ORIGINAL EQUIPMENT WHEEL NUT HARDWARE WITH THE AXILOK NUT

SYSTEM COULD CAUSE FAILURE OF THE FASTENING SYSTEM, WHICH COULD RESULT IN WHEEL SEPARATION.

CHECK COMPATIBILITY OF THE AXILOK NUT WITH THE SPICER MODEL IN QUESTION (PER ATTACHED CHART) BEFORE

INSTALLING.

1 2 3 4 5

Summary of Contents

Page 1 - Components Bulletin

Drive Axles Service Proceduresand Parts InformationSpicer® Components BulletinUse of Axilock™ Wheel BearingLock Nut System on all Spicer Drive AxlesA

Page 2 - COMPATIBILITY SUMMARY

USE OF AXILOK NUTS ON SPICER AXLES COMPATIBILITY SUMMARY

Page 3

USE OF AXILOK NUTS ON SPICER AXLES COMPATIBILITY SUMMARY

Page 4

USE OF AXILOK NUTS ON SPICER AXLES COMPATIBILITY SUMMARY

Page 5 - ABIB-9703 Printed in U.S.A

Dana Aftermarket GroupPO Box 321Toledo, Ohio 43697-0321Warehouse Distributors: 1.800.621.8084OE Dealers: 1.877.777.5360www.spicerparts.comABIB-9703

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Spicer Use of Axilock Wheel Bearing Lock Nut System on al User Manual

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