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Which quantity is checked with the carrier bearings preloaded?

  • A.The rolling torque of the complete assembly
  • B.The backlash, which cannot be measured until the preload has been released and the carrier is free to move again
  • C.The pinion depth
  • D.The endfloat of the crown wheel, which must be within a specified tolerance before the assembly is finally tightened

Answer: A

The total rolling torque with pinion and carrier preloaded confirms that both bearing sets are correctly adjusted. Backlash is measured with the assembly fully tightened. The two checks together confirm the setting before the cover goes on. Working the distinction through on a single concrete case fixes it more firmly than any rule of thumb. Naming what changes and what stays the same is the reliable route through questions of this shape.

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