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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
STEERING SYSTEM SHUTDOWN
INITIAL SETUP:
Personnel Required:
One Watercraft Engineer, 88L
SECURE THE STEERING HYDRAULIC SYSTEM
1.
To secure the steering gear motor controllers 1 and 2:
a.
Place the change-over switches (figure 1, item 1) to the 2 position for STOP.
b.
Set the ON-OFF POWER switches (figure 1, item 2) to OFF.
c.
Verify that the POWER ON indicator (figure 1, item 3) goes out.
3
2
1
Figure 1. Steering Gear Motor Controllers
2.
To secure the steering hydraulic pump station, CLOSE the following valves:
a.
SH-5, RUD. MOT NO. 1 SUMP (figure 2, item 1)
b.
SH-6, RUD. MOT No. 2 SUMP (figure 2, item 2)
c.
SH-4, C.O.V. -RUD. MOT. No.2 PRESS / RTN (figure 2, item 3)
d.
SH-2, C.O.V. -RUD MOT. No.2 PRESS / RTN (figure 2, item 4)
e.
SH-3, C.O.V. -RUD. MOT. No. 1 PRESS / RTN (figure 2, item 5)
f.
SH-1, C.O.V. -RUD. MOT. No. 1 PRESS / RTN (figure 2, item 6)
0099 00-1
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