MANUFACTURERS' TECHNICAL
The Naval Ships' Technical Manual (NSTM)
MANUALS
is the basic engineering doctrine publication of
NAVSEA. NAVSEA keeps the manual up-to-date
Another important source of information you
by quarterly changes. When NAVSEA issues new
can use is the manufacturer's technical manual
or revised chapters, they designate them with a
for the piece of equipment you are working on.
new chapter numbering system.
These manuals contain all the information
The following chapters of the Naval Ships'
necessary for operation, troubleshooting,
Technical Manual are of particular importance
overhaul, and repair. For example, they contain
to GSEs and GSMs; they reflect the new and old
information on gas turbine engine (GTE)
numbers for each chapter.
component change-out and engine change-out.
CHAPTER
NEW
OLD
DRAWINGS
Some of your work as a GSE/GSM will
Gaskets, Packings, and Seals
(9950)
078
require you to read and work from mechanical
Boiler Water/Feedwater - Test
(9560)
220,
drawings. You can find information on how to
and Treatment
Vol 2
read and interpret drawings in Blueprint Reading
and Sketching, NAVEDTRA 12014.
221
Besides knowing how to read drawings, you
must know how to locate applicable drawings. For
Marine Gas Turbines
(9416)
234
some purposes, the drawings included in the
Propulsion Reduction Gears,
(9420)
241
manufacturers' technical manuals for the
Couplings, and Associated
machinery or equipment may give you the
Components
information you need. In many cases, however,
you may have to consult the onboard drawings.
Shafting, Bearings, and Seals
(9430)
243
The onboard drawings are sometimes referred to
as ship's plans or ship's blueprints. An index
(9431)
244
called the ship's drawing index (SDI) lists the on-
(9440)
245
board drawings. The SDI lists all working
drawings that have a NAVSHIPS drawing
Condensers, Heat Exchangers,
(9460)
254
number, all manufacturers' drawings designated
and Air Ejectors
as certification data sheets, equipment drawing
lists, and assembly drawings that list detail
Feedwater System and Ap-
(9562)
255
drawings. The SDI identifies the onboard
paratus
drawings by an asterisk (*).
Lubricating Oils, Greases, and
262
(9450)
Drawings are listed in numerical order in the
Hydraulic Fluids and Lubrica-
SDI. Onboard drawings are filed according to
tion Systems
numerical sequence. Two types of numbering
systems are in use for drawings with NAVSHIPS
Electric Plant General
(9600)
300
numbers. The older system is an S-group
numbering system. The newer system, used on all
302
Electric Motors and Control-
(9630)
NAVSHIPS drawings since 1 January 1967,
lers
is a consolidated index numbering system. A
Electric Measuring and Test
491
(9690)
cross-reference list of S-group numbers and
Instruments
consolidated index numbers is given in NAV-
SHIPS Consolidated Index of Materials and
Pumps
(9470)
503
Services Related to Construction and Conversion.
Pressure, Temperature, and
(9870)
504
Other Mechanical and Elec-
SHIPS' MAINTENANCE AND
tromechanical Measuring In-
MATERIAL MANAGEMENT
struments
(3-M) SYSTEMS
Piping Systems
(9480)
505
The Ships' Maintenance and Material Man-
agement (3-M) Manual, OPNAVINST 4790.4,
Ship Fuel and Fuel Systems
541
(9550)
describes in detail the Ships' 3-M Systems. The
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