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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
TOWING MACHINE
INITIAL SETUP:
Personnel Required:
References:
Two Watercraft Operators, 88K
One Watercraft Engineer, 88L
TOWING MACHINE HYDRAULIC SYSTEM STARTUP
1.
OPEN the following valves in AMS 1:
a.
TH-13, FLOW CONTROL (figure 1, item 4)
b.
TH-1, C.O.V. PMP DISCH.TO TOW WN. HYD (figure 1, item 5)
c.
TH-14, FLOW CONTROL (figure 1, item 6)
d.
GS-75, TOW WN HYD OIL CLR SPLY (figure 1, item 7)
e.
GS-77, HYD OIL CLR DISCH (figure 1, item 8)
f.
TH-12, FLOW CONTROL (figure 1, item 9)
g.
CH-27, RTN CUT-OUT TOW WN HYDR (figure 1, item 10)
h.
CH-26, DRN CUT-OUT TOW WN HYDR (figure 1, item 11)
i.
FO-31, F.O. SPLY TO PMP DRV ENG (figure 2, item 1)
j.
CA-6, STG AIR TO PMP DR ENG (figure 2, item 2)
k.
Asw-19, S.W. TO PUMP DRIVE ENG (figure 2, item 3)
l.
Asw-20, S.W. FR. PUMP DRIVE ENG. TO OVB'D DISCHARGE (figure 2, item 4)
m. Asw-22, OVB'D DISCH., S.W. COOLING (figure 2, item 5)
2.
CLOSE the following valves in AMS 1:
a.
TH-2, PRESS CRSVR CTL HYDR TOW WN HYDR (figure 1, item 2)
b.
TH-3, RETURN CRSVR. TO CENT. HYD (figure 1, item 1)
c.
TH-4, DRAIN CRSVR. TO CENT. HYD. (figure 1, item 3)
3.
In the engine room, OPEN the following valves:
a.
FO-33, F.O. RTN TO DAY TK. PORT (figure 2, item 6)
b.
FO-13, F.O. SERV. SUCT. PORT (figure 2, item 7)
c.
AE-28, SEACHEST VENT (figure 2, item 8)
d.
Asw-17, SEA SUCTION S.W. COOLING (figure 2, item 9)
0089 00-1
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