OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 12 pptx
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 12 pptx
... part often will lead to a series of diffi-
culties originating from by-products or effects of
the initial failure. Therefore, carefully check all
of the related and resultant functions of the ... gaskets, and
any other gaskets that have been disturbed during
the tune-up.
_-
G-4. Engine failure and repairs.
a.
Failure
identification. A well planned and ex-
ecuted preventive...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 2 pptx
... of sizes. Smaller
engines,
which operate in the high-speed range
(120 0 and 1800 rpm), are used for portable units
because of their lighter weight and lower cost.
Low-
and medium-speed (200 and ... supplied, their demand, consumption,
voltage, phase, and frequency requirements. Also to
be considered are load trend, expected life of the
project and of the equipment, fuel...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 10 pptx
... at lower part of duct is open and free of any
obstruction so that moisture (rain or condensation)
can run off. Check inlet temperature sensor for
signs of damage. Clean sensor and surrounding
area ... MO- 912
b. It is suggested that the manufacturer of the
auxiliary power unit be consulted to determine the
time intervals in which the auxiliary power unit
should be exercised...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 4 pps
... Proper installation and maintenance
of oil filters and mechanical operation of the engine
are equally important for treatment of oil. Preven-
tion of contamination and removal of contaminants
should ... of
governors controlling AC generators affects the fre-
quency and the load division between generators
but has almost no effect upon voltage.
f. Direct C
urrent (DC)...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 5 ppt
... smoothness and absence of
scratches and nicks.
(d)
Camshaft
cams and cam faces for worn or
deformed condition; journal surfaces and bearings
for highly polished condition and absence of
scratches, ... condition and absence of scratches, nicks,
cracks, and deformation.
(f) Pistons for cracks and warped condition;
verify pistons, rings, and pins comply with manu-
factur...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 6 pps
... strength of the mag-
netic field, the number of coils (and number of wind-
ings of each coil), and the speed at which the rotor
turns.
b.
Current.
Current is the rate of transfer (flow)
of electricity, ... frequency of the output
voltage are synchronous generators. Synchronous
generators are usually called alternators.
4-5.
Alternator types.
4-3. Types of generators....
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 7 ppt
... are usually rated at about 135 per-
cent of rated voltage and a rate buildup of about 125
volts per second. Working range is between 75 and
125 percent of rated exciter voltage.
b. Current. An ... level of fault current. Most
units function as overcurrent trip devices and con-
sist of a solenoid tripper and solid-state compo-
nents. The solid-state components are part of...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 8 ppt
... barriers; clean off smoke and dust. Repair
moderate damage to bushing insulation by sanding
smooth and refinishing with a clear insulating var-
nish. Inspect alignment and condition of movable
and stationary ... (approxi-
mately a 30 percent drop and delay of about two
seconds) to start the auxiliary generator.
(b) When voltage and frequency of the auxil-
iary generator...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 11 ppt
... spectrometric analysis of the metal par-
ticles. It is necessary to collect and evaluate data for
type and quantity of engine wear-metals. Study of
this data shows trends of engine wear and expected
future ... continuously
operating engines and generators.
F-2. DD Form 2744 (Emergency /Auxiliary
Generator Operation log).
Use DD Form 2744 for inspection testing of
emergenc...
OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS Episode 13 potx
... TM
5-685/NAVFAC
MO- 912
-
c
The proponent agency of this publication is the Office of the
Chief of Engineers, United States Army. Users are invited to send
comments and suggested improvements ... Publications and Blank Forms) directly
to Director, U.S. Army Center for Public Works, ATTN: CECPW-EE,
7701 Telegraph Rd., Alexandria, VA
2231593862.
By Order of the Secretaries of...
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