some important points concerning servicing o - rings include: a) making sure static o - rings roll in their…

some important points concerning servicing o - rings include: a) making sure static o - rings roll in their groove b) cleaning the area of dirt, grit, or metal particles before installation c) avoiding twisting the o - ring during installation d) cycling dynamic o - rings several times after installation to allow the ring to rotate and assume a neutral position

some important points concerning servicing o - rings include: a) making sure static o - rings roll in their groove b) cleaning the area of dirt, grit, or metal particles before installation c) avoiding twisting the o - ring during installation d) cycling dynamic o - rings several times after installation to allow the ring to rotate and assume a neutral position

Answer

Brief Explanations:

Static O - rings should be seated properly, not rolled. Cleaning the area before installation prevents contamination. Twisting an O - ring during installation can cause damage. Cycling dynamic O - rings helps them settle. So, b, c, and d are correct practices.

Answer:

B. Cleaning the area of dirt, grit, or metal particles before installation C. Avoiding twisting the O - ring during installation D. Cycling dynamic O - rings several times after installation to allow the ring to rotate and assume a neutral position