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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
MAIN PROPULSION SYSTEM
INITIAL SETUP:
Materials/Parts:
References:
Aural Protector, Sound (Item 12, Table 3, WP 0163 00,
TM 55-1925-208-24
Volume 2)
TM 55-1925-223-24&P
Goggles, Industrial (Item 272, Table 3, WP 0163 00,
TM 55-1925-286-13&P
Volume 2)
TM 55-1925-292-14&P
WP 0163 00 (volume 2)
Personnel Required:
Two Watercraft Engineers, 88L
START THE STARBOARD PROPULSION PLANT
1.
Ensure that the air compressors are online and that the starting air receivers are pressurized to 250 PSI (17.2 bar). If the
compressors are not online or the starting air receivers are not charged, START the air compressors (TM 55-1925-286-
13&P).
2.
Check that the coolant level in the starboard main engine coolant expansion tank sight glass (figure 1, item 1) is between
LOW and FULL in the STOP range (figure 1, item 2). If the coolant is not between LOW and FULL, add coolant
through the fill cap (figure 1, item 3) until the proper level is achieved. Proper engine coolant is a 50/50 mix of ethylene
glycol antifreeze and water.
3
FULL
2
S
T
O
FULL
P
CAUTION:
REMOVE CAP SLOWLY
LOW
DO NOT OVERFILL.
4
R
U
N
LOW
1
Figure 1. Main Engine Coolant Expansion Tank
0072 00-1
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