Engine : Expired / General Subjects - 1404/881 |
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When repacking a stuffing box fitted with a lantern ring, which of the following precautions should be observed? |
A) For good lubrication, apply a fine grade lapping compound between the shaft and packing. |
B) Block off the sealing water connection. |
C) Be certain that all packing is fitted loosely to the shaft. |
D) Replace all of the packing rings. |
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