Final answer:
The approved lubricant for a hub-piloted wheel system is lithium grease, while motor oil is not suitable. Anti-seize compound can also be used for this purpose.
Explanation:
The approved lubricant for a hub-piloted wheel system is lithium grease.
Using motor oil can lead to issues as it doesn't have the proper consistency for this application.
Anti-seize compound can also be used to prevent corrosion and seizing of components.
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