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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUALCONDITIONS
COMPRESSED AIR SYSTEM SHUTDOWN
INITIAL SETUP:
Personnel Required:
One Watercraft Engineer, 88L
SYSTEM SHUTDOWN
1.
Set the motor controller MANUAL-AUTO switch (figure 1 item 1 ) for both compressors to MANUAL.
2.
On each motor controller, PUSH the STOP pushbutton ( figure 1, item 2 ) and observe that the MOTOR RUN indicator
light (figure 1, item 3) goes out and that the affected air compressor stops running.
3.
Set both motor controllers' ON-OFF switches (figure 1, item 4) to OFF and observe that the POWER AVAILABLE
indicator light (figure 1, item 5) goes out.
ON
4
OFF
5
3
POWER
AVAILABLE
MOTORRUN
1
MANUAL
AUTO
START
RESET
STOP
2
Figure 1. Air Compressor Motor Controller
4.
At 440V power panel No. 4, set the following circuit breakers to OFF:
a. AIR COMPRESSOR No. 1. (figure 2, item 1)
b. AIR COMPRESSOR No. 2. (figure 2, item 2)
0108 00-1
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