Sea Ray 425 Sundancer Owner's Manual download pdf (Page 48)

40 Sundancer

(425 Sundancer

)

2.14

SECTION 2 • GENERAL BOAT ARRANGEMENT

TRIM TABS SWITCH

(FIG. 2.14.1)

RUNNING

ATTITUDE LIST PUSH

BOW UP ...... TOP OF BOTH ROCKERS

BOW UP PORT TOP OF STARBOARD ROCKER

BOW UP STARBOARD TOP OF PORT ROCKER

BOW DOWN PORT BOTTOM OF STARBOARD ROCKER

BOW DOWN STARBOARD BOTTOM OF PORT ROCKER

OPERATION

1. Throttle Levers:

Forward motion - increases Throttle

Aft Motion - Decreases Throttle

2. Gearshift Levers:

Forward Position - FORWARD

Center Position - NEUTRAL

Aft Position - REVERSE

MAINTENANCE

The gear and throttle lever bodies are made of

anodized aluminum. To clean them, a warm soapy

water solution should be used. DO NOT use an

abrasive compound.

NOTE: Refer to your engine Owner’s Manual to

operate the throttle arm by hand for maintenance.

REFER TO OWNER’S MANUAL PACKET FOR

INSTRUCTIONS AND WARRANTY INFORMATION.

B. ENGINE SYNCHRONIZERS (OPTIONAL)

When the engine synchronizers are in operation, any

engine speed differential is immediately sensed and

automatically corrected. A single throttle movement is

all that is necessary to ensure that both engines maintain

identical RPM. The synchronizer control unit is located

on the aft component board in the bilge.

If you have this option, refer to your Owner’s Manual

Packet for the correct operating instructions for your yacht

engine synchronizers.

OPERATION:

1. Have both engines running and advance speed

slightly above idle.

2. Turn ON synchronizer switch located on the

control station switch panel.

3. Move slave (starboard) engine throttle lever to

maximum speed position. Since the

synchronizer is now controlling the slave

engine, the lever is “limp” or noneffective.

Advancing the slave engine lever eliminates the

synchronizer of undue strain in moving the entire

control system.

C. HYDRAULIC TRIM TABS

The trim tabs on your Sea Ray

are operated with

a rocker type momentary switch at the control

station. They are protected by a circuit breaker on

the control station breaker panel (See Figure 6.6.2)

which must be ON to use the trim tabs .

To trim the bow of your boat down, push the top

halves of BOTH rockers down in momentary bursts.

If you hold the rockers down, you will over trim the

boat and the bow will dig in. To correct over-trimming,

push bottom halves of BOTH rockers to obtain

desired planing angle.

The trim tabs on the transom of your boat can also

be used to trim the list of your boat (See chart

above) that may be caused by improper storage of

gear, too many people on one side or a strong cross

wind. Operation of the rocker switch should be

momentary bursts to achieve proper attitude of the

hull.

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Sea Ray 425 Sundancer Owner's Manual Page 48

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