Conventional Alignment Study Guide Questions with Verified Solutions

Conventional Alignment Study Guide Questions with Verified Solutions When doing alignment what is aligned? Only the shaft center line is aligned What must be done before an alignment can be done? Coupling and shaft must be cleaned and Degreased. Before preforming an alignment what must an industrial maintenance mechanic perform? Set coupling gap When doing a rough alignment you should be within what measurement? Rough alignment is .001 of an inch Rotating shafts are usually aligned with what in place? Couplings What is conventional alignment often called? Rim & Face Why should you align equipment? Limit vibration What is the cause of coupling stress on an MTBM or STAT device? Mechanical Pressure When coupling stress is coming from pipe weldment what is usually the cause? Flange is incorrectly fitted When should you check thermal growth misalignment? After STAT has reached normal operating temperature What must be done to repair improperly installed anchor bolts? Cut off and Replace bolt What must be done to eliminate stress from conduit? Must be adjusted or replaced In a proper installation how much weight should be carried by the STAT? Zero What is caused by Forcing flanges together by tightening a flange bolt? Coupling Stress What are two ways to releave coupling stress? Extend pipe or Move Equipment What must be done if you find a bent shaft? Replace it What should you do to check for incorrect pipe alignment? Loosen suction flange bolts How should you check for soft foot? One lug at a time How should you check bearings? Rotate shaft with dial indicators at 12 and 6 O'clock on shaft When checking for hanger problems you should? Loosen hanger nearest the pipe flange If you place the same amount of shims under