Albemarle 410 CONVERTIBLE Owner's Manual download pdf (Page 23)

410 Convertible

which activates the hydraulic cylinder causing the rudders to

turn. A slight clicking sound may be heard as the wheel is

turned. This sound is the opening and closing of valves in

the helm unit and is normal. In the event of a power source

failure, hydraulic oil is automatically pumped directly from the

steering helm into the servo and steering cylinder, providing

the helmsman with manual backup steering

An engine room mounted oil reservoir allows easy system ﬁll

and assists the in-line oil cooler in cooling the hydraulic oil. An

in-line oil ﬁlter helps protect the steering system components

against contaminants. It is important that the ﬂuid level in the

reservoir is checked frequently and maintained at or near the

maximum level and that the pressure in the reservoir is between

25 and 35 PSI, as indicated by the gauge on the top of valve.

Refer to the manufacturer owner’s manual for speciﬁc in

formation on the operation and maintenance for the steering

system.

Dual engine inboard boats have two rudders which are offset

from the propeller shaft center line to allow shaft removal with

out having to remove the rudders. They are coupled together at

the tiller arms by a tie bar. The rudders are toed-in

” at the

front to provide maximum stability on straight ahead runs and

proper tracking through corners. Rudder or steering system

damage may require the rudders to be realigned.

2.6 Trim Tabs

The trim tabs are recessed into the hull on the transom. Dual

rocker switches in the helm switch panel, below the helm, are

used to control the trim tabs. The switches are labeled and con-

trol bow up and down movements. They also control starboard

and port up and down movements. Bow up and bow down will

control the hull planing attitude, while port and starboard up

and down provides control for the hull listing.

Before leaving the dock, make sure that the tabs are in the full

“UP” position by holding the control in the bow up position

for ten (10) seconds.

Always establish the intended heading and cruise speed before

attempting to adjust the hull attitude with the trim tabs. After

stabilizing speed and direction, move the trim tabs to achieve

a level side to side running attitude being careful not to over

trim.

After depressing a trim tab switch, always wait a few seconds

for the change in the trim plane to take effect. Avoid depress

ing the switch while awaiting the trim plane reaction. By

the time the effect is noticeable the trim tab plane will have

moved too far and thus the boat will be in an overcompensated

position.

When running at a speed that will result in the boat falling off

plane, lowering the tabs slightly, bow down, will improve the

running angle and operating efﬁciency. Too much bow down

tabs can reduce operating efﬁciency and cause substantial

steering and handling difﬁculties.

Be extremely careful when operating in a following sea. The

effect of trim tabs is ampliﬁed under such conditions. Steer

ing and handling difﬁculties can result from improper trim tab

usage, particularly in a following sea. Always raise the tabs to

the full bow up position in these conditions.

When running at high speeds be sure that the tabs are in

the full “UP” position.

Only enough trim plane action should

be used to compensate for any listing. Trim tabs are extremely

sensitive at high speeds. Adjust for this and be prepared to slow

down if difﬁculties arise.

When running into a chop, a slight bow down attitude will

improve the ride. Be careful not to over trim. Handling dif

ﬁculties may result.

2.7 Control Systems Maintenance

Control Maintenance

Periodic inspection of the control systems and all connections

should be made. Signs of rust, corrosion, wear, or other dete-

rioration should be serviced immediately. Generally, periodic

lubrication of all moving parts and connections with a light

waterproof grease is in order.

Trim Tab Switch

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Albemarle 410 CONVERTIBLE Owner's Manual Page 23

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