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Seakeeper 5 GYRO Operation Manual
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Seakeeper 5 GYRO Operation Manual

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OPERATION MANUAL
SEAKEEPER 5 GYRO
Rev 4 FEBRUARY 2015

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Summary of Contents for Seakeeper 5 GYRO

  • Page 1 OPERATION MANUAL SEAKEEPER 5 GYRO Rev 4 FEBRUARY 2015...
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  • Page 3 Product: Document #: Rev: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 SEAKEEPER 5 GYRO OPERATION MANUAL FEBRUARY 2015 Contents: Section 1 – System Overview Section 2 – System Operation Section 3 – Power Failures, Alarms, and Troubleshooting Section 4 – Maintenance Section 5 –...
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  • Page 5: Section 1: System Overview

    A Seakeeper 5 Gyro consists of a Gyro assembly, a CAN communications cable, and a Display. Figure 1 illustrates the interconnection of these components and their interface with the boat.
  • Page 6 FIGURE 2 – GYRO PRECESSION Seakeeper gyro precession is actively controlled by an electronic controller and a hydraulic brake throughout each roll cycle so the gyro supplies the maximum anti-roll torque and does not make...
  • Page 7 Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 3 of 8 Section 1: SYSTEM OVERVIEW There is a large torque about the gimbal axis when the gyro is precessing. Gyro cover panels are provided to prevent personnel or equipment from contacting the gyro while it is in operation.
  • Page 8 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 4 of 8 Section 1: SYSTEM OVERVIEW Gyro Assembly The gyro assembly consists of a flywheel housed in a cast aluminum vacuum-tight enclosure. The flywheel spins about a vertical axis and is supported by upper and lower pairs of bearings. A DC brushless motor mounted inside the enclosure spins the flywheel at high speed.
  • Page 9 Section 1: SYSTEM OVERVIEW 1.2 Display The display shown below is the user interface to the Seakeeper 5 Gyro and should be mounted at the primary helm station. It is used to start, operate, monitor and shutdown the gyro. Sensors, alarms and shutdowns are provided to allow unattended operation.
  • Page 10 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 6 of 8 Section 1: SYSTEM OVERVIEW 1.3 Drive Box The Drive Box contains the electronic components that take 110-230 VAC at 50/60 Hz from the boat’s generator or shore power and supply current to the flywheel motor according to commands from the Electronic Control Module (ECM).
  • Page 11 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 7 of 8 Section 1: SYSTEM OVERVIEW 1.5 Inertia Measurement Unit (IMU) The motion sensor suite in the IMU contains rate sensors that measure the angular movements of the vessel and accelerometers that measure the vertical and lateral boat movement.
  • Page 12 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 8 of 8 Section 1: SYSTEM OVERVIEW 1.7 Cooling The cooling circuit is a closed loop that supplies a glycol/water (50% distilled water and 50% glycol) mix • The motor drive box to remove heat from the drive electronics •...

  • Page 13: Section 2: System Operation

    1 of 13 Section 2: SYSTEM OPERATION Introduction This section describes operation of the Seakeeper 5 Gyro system. Display Screens: Overview 1) When 12 Vdc is applied to the Gyro the DISPLAY will power up and initialize. The SPLASH screen...
  • Page 14 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 2 of 13 Section 2: SYSTEM OPERATION a. HOME Screen BUTTON ICON function GYRO ON/OFF and FAULT RESET 1. The ICON will change from red (GYRO OFF) to green (GYRO ON) 2.

  • Page 15: Home Screen View

    Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 3 of 13 Section 2: SYSTEM OPERATION HOME SCREEN VIEW 1. Switches the HOME screen views from an animation screen, to a screen displaying arrows with no animation, to a screen that shows...
  • Page 16 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 4 of 13 Section 2: SYSTEM OPERATION 4) When the button is depressed for the SETTINGS screen the DISPLAY changes to the SETTINGS screen a. SETTINGS screen BUTTON ICON functions Allows the brightness of the DISPLAY to be increased or decreased.
  • Page 17 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 5 of 13 Section 2: SYSTEM OPERATION Adjusts the sleep function of the DISPLAY from one minute to 30 minutes or the DISPLAY screen on all of the time 1.
  • Page 18 PFC Inverter software version. The PFC inverter calibration Major, Minor and model information is also displayed in the following format: Major.Minor / model on the second Drive: software line. This screen also allows Seakeeper Service personnel access to additional service functions.
  • Page 19 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 7 of 13 Section 2: SYSTEM OPERATION a. The RETURN button will return the DISPLAY to the SERVICE screen Start-up 1) Make sure AC and DC power are available.
  • Page 20 Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 8 of 13 Section 2: SYSTEM OPERATION 6) When the GYRO reaches its maximum operating speed where maximum stabilization is available, the PROGRESS BAR will disappear and the GYRO is available for maximum stabilization.
  • Page 21 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 9 of 13 Section 2: SYSTEM OPERATION If it is necessary to shutoff power to the flywheel motor and slow the flywheel for any reason, press GYRO ON/OFF button;...
  • Page 22 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 10 of 13 Section 2: SYSTEM OPERATION Normal Shut-Down 1) Verify that no alarms are on the Gyro display. The gyro should be stopped when pulling into port and stabilization is no longer required. This maximizes long term life as it allows the gyro to start the coast down cycle before cooling is shutoff.
  • Page 23 Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 11 of 13 Section 2: SYSTEM OPERATION The circuit breakers should be left on as long as possible while the gyro is spinning to remove heat from the gyro. During normal operation, the gyro should be stopped when pulling into port and stabilization is no longer required.
  • Page 24 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 12 of 13 Section 2: SYSTEM OPERATION Boat Transit Without Stabilization and Speed Adjustment When cruising without gyro stabilization, run the gyro at 1000 rpm to maintain lubrication of the bearings. This ensures that the lubricant is not pushed out of the ball/raceway load zone over an extended period of time due to the accelerations associated with boat motion.
  • Page 25 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 13 of 13 Section 2: SYSTEM OPERATION 10) Press the SET button to select the highlighted gyro speed. The selected speed will turn yellow. 1000 RPM is used for boat transit without stabilization. 107000 RPM is for normal stabilization.
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  • Page 27 • 110 - 230 Volts AC powers the Motor Drive Box to drive the motor inside the Gyro. These are supplied on Cables 1 and 2 which are shown on Seakeeper drawing 90296, Cable Block Diagram. The Motor Drive Box contains hazardous voltage and...
  • Page 28 230 VAC Fluctuation, Spike or Momentary Failure If the AC voltage to the Motor Drive Box is outside Seakeeper’s specified range (110 – 230 VAC), the Motor Drive Box will briefly shut down for protection. The Motor Drive Box will continue operation when the voltage returns to the specified range.
  • Page 29 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 3 of 4 Section 3: POWER FAILURES, ALARMS, AND TROUBLESHOOTING • A view of a typical ALARM screen. • If the ALARM appears and there is an INFORMATION button on the screen the ALARM has more information associated with it.
  • Page 30 Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 4 of 4 Section 3: POWER FAILURES, ALARMS, AND TROUBLESHOOTING Alarm and Warning History The Service page on the Display shows the recent alarms and warnings. The alarms and warnings are in chronological order starting with the most recent.

  • Page 31: Maintenance

    The gyro system is designed to require as little maintenance as possible. However, since the system is comprised of mechanical and electrical components that operate in a marine environment, some periodic inspections and maintenance are recommended. Seakeeper recommends an annual inspection and a 2000 hr service interval to keep the gyro running trouble-free.

  • Page 32: Scheduled Maintenance Table

    Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 2 of 3 Section 4: MAINTENANCE SCHEDULED MAINTENANCE TABLE • The following pages contain the scheduled maintenance table organized by systems: Mechanical, Hydraulic, Cooling, and Electrical. PARTS / SPECIAL...
  • Page 33 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 3 of 3 Section 4: MAINTENANCE SYSTEM / COMPONENT TASK PER SERVICE BULLETIN 90134 INTERVAL PARTS / SPECIAL TOOLS Hydraulic hand pump kit, Replace brake bushings, hydraulic Brake bushing replacement...
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  • Page 35: Warranty

    24 months from date the product put into service, which shall conclusively be presumed to be the date of sale of a vessel, on which a SEAKEEPER product is installed, to a retail customer or date put into service on an existing vessel (refit).

  • Page 36: Limitation Of Liability

    Seakeeper's property. Except as specifically provided for in the order, Buyer shall have no right in any technical data, Intellectual Property Rights, and computer software associated with the order. Buyer shall not use or permit the use of the Goods that in any way could result in the disclosure of Seakeeper's proprietary information.
  • Page 37 Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 1 of 3 Section 6: GYRO SPECIFICATIONS Seakeeper 5 Gyro Specifications & Summary Rated RPM 10,700 RPM Angular Momentum at Rated RPM 5,000 N-M-S Anti-Rolling Torque at Rated RPM 13,089 N-M Spool-up Time to Rated Speed (10,700 RPM)
  • Page 38 The installer is responsible for designing the foundation to which the Gyro is attached and for ensuring that this foundation can safely transfer the concentrated Gyro loads from the frame to the adjacent hull structure. Loads that the Gyro imposes on the hull structure are explained on Seakeeper Drawings 90293 and 90294.
  • Page 39 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 5 GYRO 90246 3 of 3 Section 6: GYRO SPECIFICATIONS Operator Controls A Display with integrated Keypad is used to start, operate, monitor, and shutdown the Gyro. Performance Gyro reduction of boat roll is a function of the boat’s displacement, transverse metacentric height (GM and hull damping as well as the operating conditions (speed and heading with respect to waves) and sea state.