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 TM 55-1925-273-10-1
0046 00
STEERING SYSTEM HYDRAULIC POWER PACK AND MOTOR CONTROLLER
9
2
8
3
10
11
4
1
7
14
lllllllllllll
lllllllllllll
lll
lll
ll
ll
100
100
ll
ll
50
50
150
150
0
0
150
150
15
PUMP
RUN
(1OR2)
16
1
1REMOTECONTROL
2STOP
OFF
ON
3DIRECTSTART
2
3
1
17
12
5
6
13
Figure 20. Steering System Hydraulic Power Pack and Motor Controller
Table 20. Steering System Hydraulic Power Pack and Motor Controller (refer to figure 20)
Key
Control/Indicator
Function
1
PORT Hand Lever
Used during manual-powered emergency steering, this lever controls
rudder movement to port.
2
SH-5, RUD. MOT NO. 1 SUMP
This valve controls the rudder motor 1 sump.
3
Oil Pressure Gauge
This indicates the operating pressure of the system's hydraulic oil.
4
STBD Hand Lever
Used during manual-powered emergency steering, this lever controls
rudder movement to starboard.
5
SH-3, C.O.V.-RUD MOT.
This is the cutoff valve for rudder motor 1 return.
No. 1 PRESS/RTN Valve
6
SH-1, C.O.V.-RUD. MOT.
This is the cutoff valve for rudder motor 1 pressure.
No. 1 PRESS/RTN Valve
7
Accumulator COV
This valve controls pressure from the accumulator.
8
Port Hand Lever
This lever is used during manual-powered emergency steering, this lever
controls rudder movement to port.
9
SH-6, RUD. MOT No. 2
This valve controls the rudder motor 2 sump.
SUMP Valve
10
Oil Pressure Gauge
This gauge indicates the operating pressure of the system's hydraulic oil.
11
STBD Hand Lever
Used during manual-powered emergency steering, this lever controls
rudder movement to starboard.
0046 00-29
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