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 TM 55-1925-273-10-1
OPERATOR'S MANUAL
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
HYDRAULIC SYSTEM SHUTDOWN
INITIAL SETUP:
Personnel Required:
References:
One Watercraft Engineer, 88L
PURPOSE
This work package provides instructions for the shutdown of the central hydraulic system under usual conditions.
CENTRAL HYDRAULIC SYSTEM HYDRAULIC POWER UNIT (HPU) SHUTDOWN
1.
If local operation was selected during the startup procedure (WP 0076 00), press the STOP pushbutton (figure 1, item 1) at
the central HPU motor controller. If remote operation was selected during the startup procedure (WP 0076 00), press the
STOP pushbutton (figure 2, item 1) at the remote control station.
2.
Verify that the RUNNING indicator(s) (figure 1, items 2 and/or 3) extinguish for the selected pump(s).
3.
Set to OFF the REMOTE/OFF/ON switch (figure 1, item 4) on the central HPU motor controller.
4
5
OFF ON
P1
P2
P1 & 2
REMOTE
PUMPNO. 2
PUMPNO. 1
READY
READY
MAIN SWITCH
LOW OIL
HIGH OIL
RUNNING
RUNNING
LEVEL
TEMP
2
START
3
STOP
1
RESET
RESET
Figure 1. Central Hydraulic System HPU Motor Controller
0102 00-1
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