ARMY TM 9-6115-604-12
NAVY NAVFC P-8-633-12
Table 2-12. Cabinet C, Front Interior Section, As Seen From Control Room
Figure 2-12, 1
Humidistat S107
To control actuation temperature for the
Fully clockwise
switchgear heaters H 105, H 106, and
H107
Figure 2-12, 2
Annunciator Horn LS1
To provide audio indication of a genera-
Silent
tor set fault condition
Figure 2-12, 3
Switchgear Circuit Breaker
To provide power and circuit protection
ON
CB123
to SET POWER circuit breaker.
Figure 2-12, 4
Set Station Power Transformer
Converts 2400 V ac generator set power
--
T101
to 240 V ac and 120 V ac for the gener-
ator set circuits
2-4. STARTING THE GENERATOR SET . To start the generator set under usual (normal) conditions, proceed as
follows:
a.
Ensure that organizational maintenance personnel have performed the procedures described In Chapter 4,
Section I, "Service Upon Receipt of Equipment".
b.
Perform before operation preventive maintenance checks and services (see Table 3-2).
c.
Open all shutters on the generator set. Use handle at the base of each shutter assembly to open that shutter and
secure in open position with the pin provided (see Figure 3-4). Shut all doors on the generator set.
d.
Start the generator set in accordance with Figure 2-13.
2-5. OPERATING THE GENERATOR SET (SINGLE UNIT) . To operate the generator set as a single unit, proceed as
follows:
a.
Start the generator set In accordance with Figure 2-13.
b.
Operate the generator set in accordance with Figure 2-14.
c.
When in operation, the generator set shall be monitored periodically (at least once an hour) for signs of possible
malfunctions.
d.
After warmup, lubricating oil pressure and oil level shall remain fairly constant. Check and record level of
lubricating oil while engine is running normally If any significant changes occur, maintenance personnel shall be
notified
e.
Check and record coolant temperature and level with engine running normally. Notify maintenance personnel if
coolant temperature or level changes significantly
f.
Learn the sounds of a normally running generator set so that any unusual sounds Indicating the possible start of a
malfunction may be detected early enough to avoid major damage.
g.
To stop generator set, refer to Figure 2-15.
FIGURE
AND
INDEX NO.
CONTROL OR
INSTRUMENT
FUNCTION
NORMAL
READING/
SETTING AT
RATED LOAD
2-27
