CHAPTER LEARNING OBJECTIVES
Upon completing this chapter, you should be able to do the following:
Explain the removal of broken studs and taps.
Describe the repair and inspection of pumps.
Explain the procedure used to straighten shafts.
Describe the inspection of constant-pressure governors.
Explain the uses of in-place machining equipment.
Explain the purpose of METCAL.
Explain the purpose of the quality assurance program.
Explain the purpose of the planned maintenance system.
In this chapter we'll discuss some of the different
jobs you may encounter as an MR. We'll also discuss
Calibration assures us that the parts we manufacture
some of the things you need to know before you start
will fit together as they should. The increased
complexity of ship systems has made it necessary to
improve the accuracy of measurements. The Navy
addressed this problem by creating the Navy Metrology
ensures the traceability and accuracy of instrument
calibration. To operating personnel, this means that any
There are a number of things you must do before
instrument used for quantitative measurement must be
you actually start a job in a machine shop. If you ignore
these things, the job may turn out to be inaccurate. Even
Simply stated, you must always be sure the
instruments you use for quantitative measurement are
worse, it may be perfect but still not useable because of
calibrated. Never use an instrument with an outdated
improper documentation. We'll now discuss some of
calibration sticker. If you suspect a measuring
the things you must do to prepare for the job.
instrument has been damaged, be sure it is taken out of
As with any shop equipment you must observe all
use and calibrated. For more information on the
METCAL program refer to Instrumentman 3 & 2,
posted safety precautions. Review your equipment
operators manual for safety precautions. Also read any
chapters of Navy Occupational Safety and Health
(NAVOSH) Program Manual for Forces Afloat,
OPNAV Instruction 5100.l9B, that apply to the
The philosophy of quality assurance (QA) is unique
in that it does not recognize degrees of success. QA is