Technician A says pushrods can best be checked for straightness by rolling them across a very flat surface, such as a piece of glass. Technician B says rocker arms must be checked for wear at their valve end, pushrod end, and pivot area.

Who is correct?

Technician B is correct. When checking pushrods for straightness, it is best to roll them across a flat surface, such as a piece of glass, to detect any bends or deformities. This method allows you to see if the pushrod is perfectly straight or if it has any deviations.
Regarding rocker arms, they need to be checked for wear at three specific areas: the valve end, the pushrod end, and the pivot area. By examining these areas, you can determine if there is any excessive wear, which can affect the performance and longevity of the rocker arm.
To summarize, Technician A is incorrect, and Technician B is correct in stating that pushrods can be checked for straightness by rolling them across a flat surface, while rocker arms should be checked for wear at the valve end, pushrod end, and pivot area.
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Technician A says pushrods can best be checked for straightness by rolling them across a very flat surface, such as a piece of glass. Technician B says rocker arms must be checked for wear at their valve end, pushrod end, and pivot area. Who is correct?

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Technician A says pushrods can best be checked for straightness by rolling them across a very flat surface, such as a piece of glass. Technician B says rocker arms must be checked for wear at their valve end, pushrod end, and pivot area.

Who is correct?