P5212.5(revised), should be studied. This publication
PREVENTIVE MAINTENANCE
informs ships of the Navy of the procedures used for
SYSTEM (PMS)
disposing records. For each department aboard ship,
The primary objective of the Navy Ship's
these instructions list the permanent records that must
Maintenance and Material Management Systems (3-M
be kept and the temporary records which may be
Systems) is to provide a means for managing
disposed of following an established schedule.
maintenance and maintenance support so that
Both the Engineering Log and Engineer's Bell Book
equipment is maintained in a state of maximum
must be preserved as permanent records on board ship
equipment operational readiness. OPNAVINST
for a 3-year period unless they are requested by a Naval
4790.4, contains all of the detailed procedures and
Court or Board or by the Navy Department. In such
instructions for the effective operation of the 3-M
case, copies (preferably photostatic) of such sheets or
Systems. Other instructions on the 3-M Systems are
parts of these records that are sent away from the ship
found in the type commander's maintenance manuals.
are certified by the engineering officer as being true
This section of the chapter contains a discussion of
copies for the ship's files.
the most cpmmon records of the 3-M Systems that must
At regular intervals, such as each quarter, the parts
be kept current in the engineering department.
of those records that are over 3 years old are destroyed.
When a ship that is less than 3 years old is
PLANNED MAINTENANCE SCHEDULES
decommissioned, the current books are retained. If a
ship is scrapped, the current books are forwarded to the
In an effective Planned Maintenance System (PMS)
nearest Naval Records Management Center.
Program, careful attention must be given to the PMS
schedules to ensure that they are accurately filled out
All reports forwarded to and received from
and posted in a timely manner. PMS schedules are
NAVSEA or other higher echelon commands may be
categorized as cycle, quarterly, and weekly.
destroyed when 2 years old, if no longer required.
Cycle Schedule
Only those reports which are required or serve a
specified purpose should be maintained on board ship.
The Cycle PMS Schedule (fig. 13-10) displays the
However, any report or record that may help personnel
planned maintenance requirements to be performed
schedule or make repairs and that will supply personnel
between major overhauls of the ship. The following
with information not contained in publications or
information must be filled in on the cycle schedule:
manuals should also be kept on board.
ship's name and hull number, work center designator
code, maintenance index page (MIP) number,
component or systems name, and maintenance
ENGINEERING PLANT
scheduled in each quarter after overhaul.
MAINTENANCE
The engineering officer must supervise all cycle
scheduling of engineering departmental maintenance,
Naval ships, submarines, and aircraft are becoming
then sign and date the Cycle PMS Schedule before it is
more and more complex. To ensure these craft are ready
posted.
to fulfill their assigned mission, the engineering plant of
each must be kept operational.
If the need to rewrite the Cycle PMS Schedule
arises, the old schedule should be filed with the last
The purpose of maintenance is to ensure that the
quarterly schedule with which it was used.
equipment is ready for service at all times. The three
fundamental rules for the maintenance of electrical
Quarterly schedule
equipment are as follows:
The Quarterly PMS Schedule (fig. 13-11) is a visual
1. Keep equipment clean and dry.
display of the workcenter's PMS requirements to be
2. Keep electrical connections and mechanical
performed during a specific 3-month period. Spaces are
fastenings tight.
provided for entering the work center, quarter after
3. Inspect and test at sufficiently short intervals to
overhaul, department heads signature, data prepared,
ensure that the equipment is in operating
and the months covered. Thirteen columns, one for each
week in the quarter, are available to permit scheduling
condition.
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