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OPERATION
If there is a main circuit breaker fitted, ensure the breaker is closed.
Switch on (enable) the system by pressing the main On / Off latching switch
(Green), the switch will then be illuminated.
The system will be live until the On / Off switch is unlatched by re-pressing the
switch or the main power is removed. In the case of the hydraulic Thruster, the
On / Off switch will energise / de-energise the pump clutch and or the control
valve.
If the Thruster is not to be used for a period of time, or the vessel moored, switch
the system off at the main circuit breaker. The Thruster must not be left in the
down position.
WARNING The Thruster must only be run whilst submerged under water,
damage may occur if it is run in free air.
Hydraulic
(PLC Control Version, electric circuits 58400170 & 58400174)
The Thruster is deployed by pressing the down button and raised by pressing the
up button, while the Thruster is in motion, the appropriate button will flash, once
the Thruster is fully up or fully down the appropriate button will stay illuminated.
If both the up and down buttons flash simultaneously, the Thruster is lost (i.e.
neither up nor down), press either the up or down button to correct.
If the On / Off button starts to flash, there is an under / overspeed condition or
there is an low oil condition. Either adjust the speed of the engine or fill the
hydraulic reservoir with hydraulic oil.
The Thruster can only be activated once it is fully deployed. The Thruster is
operated by moving the joystick or pressing the port or starboard buttons.
When changing direction eg from port to starboard, return the joystick to the
centre or release the button and pause for approximately 1 second before
thrusting in the opposite direction. This is to allow the motor to come to a rest
before rotating in the other direction, thus reducing the strain on the Thruster hub
gears.
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