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S
ECTION
17. H
P
YDRAULIC
OWER
C
ONTROL
The hydraulic power steering ram ensures identical
positioning of the port and starboard rudders. Check
that rudder arms are tight and free of play. Ensure
that fluid reservoir is up to level and filter is clean.
The fluid reservoir and filter are located on the
starboard aft side of the engine room (See figure
4.15.1) along with the optional auto pilot pump. Sea
Ray ® recommends Sea Star hydraulic steering
fluid or Dextron 3 auto transmission fluid for the
power steering system.
The hydraulic power steering system uses the
boat's engines to provide the "power" for the
steering system, via a mechanical driven hydraulic
pump.
A manual hydraulic steering system, consisting of
a helm and a hydraulic cylinder (fitted with an
integral servo cylinder and a power steering valve),
supplies the "control" portion of the steering system.
Under normal conditions, with engines running, a
hydraulic oil supply is in a standby mode, ready to
be directed to the steering cylinder as dictated by
the steering wheel, servo cylinder and power
H
P
S
YDRAULIC
OWER
TEERING
(F
. 4.14.1)
IG
C
B
A
A
AUTO PILOT RUDDER REFERENCE
B
STARBOARD RUDDER POST
C
STEERING RAM
D
PORT RUDDER POST
E
RUDDER SWEEP REFERENCE
4.14
4 • B
& U
ILGE
S
TEERING
C
ONTROL
E
D
https://www.boat-manuals.com/
NDERWATER
steering valve. Turning the steering wheel left or right
makes the system go from "standby" into
"operating" mode and move the steering cylinder
accordingly.
In the event of a power source failure, hydraulic oil
from the steering helm is automatically diverted into
the servo and steering cylinder, providing the
helmsman with manual backup steering.
An engine room mounted oil reservoir allows easy
fill and assists the in-line cooler in cooling the
hydraulic oil. An in-line oil filter helps to protect the
steering system components against contaminants.
REFER TO OWNER'S MANUAL PACKET FOR
INSTRUCTIONS
INFORMATION.
58 Sedan Bridge (585 Sedan Bridge)
G
EAR
AND
WARRANTY
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