Seakeeper 8000 GYRO Operation Manual Download Page 3

 

OPERATION

 

MANUAL

 

Product:

 

Document

 

#:

 

Rev:

 

MODEL

 

8000

 

GYRO

 

90141

 

3

 

 
 

MODEL

 

8000

 

GYRO

  

OPERATION

 

MANUAL

 

JULY

 

2013

 

 

 

Contents:

 

Section

 

1

 

 

System

 

Overview

 

Section

 

2

 

 

System

 

Operation

 

Section

 

3

 

 

Power

 

Failures,

 

Alarms,

 

and

 

Troubleshooting

 

Section

 

4

 

 

Maintenance

 

Section

 

5

 

 

Warranty,

 

Limit

 

of

 

Liability,

 

Property

 

Rights

 

Section

 

6

 

 

Gyro

 

Specs

 

and

 

Summary

 

 

44425

 

PECAN

 

COURT,

 

SUITE

 

151

 

CALIFORNIA,

 

MARYLAND,

 

20619,

 

U.S.A

 

PHONE:

 

410

326

1590

 

FAX:

 

410

326

1199

 

E-MAIL: [email protected]

 

Summary of Contents for 8000 GYRO

Page 1: ...Rev 3 JULY 2013 OPERATION MANUAL MODEL 8000 GYRO...

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Page 3: ...Overview Section 2 System Operation Section 3 Power Failures Alarms and Troubleshooting Section 4 Maintenance Section 5 Warranty Limit of Liability Property Rights Section 6 Gyro Specs and Summary 44...

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Page 5: ...In multiple gyro installations the gyros operate independently of each other and therefore this manual only discusses operation of a single unit A Model 8000 Gyro consists of a Gyro assembly including...

Page 6: ...rate of rotation about the gimbal axis termed precession rate play an important role in its operation These parameters are illustrated in Figure 2 At zero degree gimbal angle the gyro is vertical it...

Page 7: ...at limit the maximum gimbal angle travel to 60o There is a large torque about the gimbal axis when the gyro is precessing Therefore the gyro should be housed in a compartment or installed in a cage so...

Page 8: ...ion Each of the gimbal bearings is supported by a saddle beam which is bonded to the hull structure These beams transfer the loads that the gyro produces to the hull structure An active hydraulic brak...

Page 9: ...ed to start operate monitor and shutdown the Gyro Sensors alarms and shutdowns are provided to allow unattended operation However the gyro is a high speed machine and special attention should be paid...

Page 10: ...the flywheel motor according to commands from the Gyro Control Box The glycol water mix that cools the gyro is also circulated through a cold plate inside the drive box to remove heat from hi power e...

Page 11: ...OPERATION MANUAL Product Document Rev Page MODEL 8000 GYRO 90141 3 7 of 11 Section 1 SYSTEM OVERVIEW FIGURE 5 COMPACT MOTOR DRIVE BOX Left FIGURE 6 COMPACT MOTOR DRIVE BOX Right...

Page 12: ...gyro The motion sensor suite contains rate sensors that measure the angular movements of the vessel and accelerometers that measure the vertical and lateral boat movement The controller commands the...

Page 13: ...h response flow control valve into the same side of the other cylinder The gyro controller modulates how fast the oil can flow through the control valve thus controlling the precession rate of the gyr...

Page 14: ...cs The brake manifold to remove heat from the brake hydraulic circuit The gyro enclosure water jackets to remove heat from the flywheel bearings The heated fluid then passes through a thermostatic mix...

Page 15: ...OPERATION MANUAL Product Document Rev Page MODEL 8000 GYRO 90141 3 11 of 11 Section 1 SYSTEM OVERVIEW FIGURE 10 COOLING SYSTEM COMPONENTS Gyro Enclosure Hidden...

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Page 17: ...Display Screens Overview 1 When 24 Vdc is applied to the Gyro Control Box the DISPLAY will power up and initialize The SPLASH screen will be displayed 2 After the DISPLAY has initialized the HOME scre...

Page 18: ...he GYRO is off when a fault appears 3 When a FAULT occurs the BUTTON is used to reset the active fault ii GYRO LOCK UNLOCK 1 When the GYRO control is initializing or the GYRO off the lock symbols will...

Page 19: ...rom an animation screen to a screen displaying arrows with no animation to a screen that shows GYRO rate on a graph Home Screen with Animation Flywheel will be spinning and gyro stabilizing Home Scree...

Page 20: ...the brightness of the DISPLAY to be increased or decreased The brightness settings for the DAY or NIGHT modes can be independently adjusted by selecting the DAY or NIGHT on the main page before enteri...

Page 21: ...minutes or the DISPLAY screen on all of the time 1 When the button is depressed the DISPLAY SLEEP TIMER setting appears 2 The SLEEP TIME is decreased or increased by depressing the MINUS button or the...

Page 22: ...ugh the ALARM history the UP button and DOWN button are depressed ii To change to the GYRO information screen the NEXT button is depressed iii To change back to the SETTINGS screen the BACK button is...

Page 23: ...eawater pump is on a separate AC or DC circuit breaker and it is necessary to turn it on 5 When the DC power is turned on the DISPLAY will initialize and the HOME screen will appear If a FAULT is pres...

Page 24: ...le the PROGRESS BAR will disappear and the GYRO is available for maximum stabilization 2 3 Stabilization For stabilization at sea or at anchor after GYRO is ON and at speed 1 Press the LOCK UNLOCK but...

Page 25: ...mpt to work on the gyro until the flywheel has stopped spinning In the event that the Gyro system has automatically locked the gyro due to an alarm or failure no attempt should be made to bypass the a...

Page 26: ...on The ON OFF symbol will turn RED 4 When the GYRO is turned off the flywheel is still spinning When the flywheel has come to a complete stop 0 RPM will appear on the screen indicating that the flywhe...

Page 27: ...ger required This maximizes long term life as it allows the gyro to start the coast down cycle before cooling is shutoff Once the vessel is secured in the slip and the crew has shut down the generator...

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Page 29: ...ld not be removed while the flywheel is spinning except by an authorized technician This high voltage exists even if the flywheel is coasting down and the supply voltage has been shut off 3 1 24 VDC F...

Page 30: ...208 230 VAC or if the AC voltage fails for less than thirty seconds the Motor Drive Box will briefly shut down for protection but will reset itself and continue operating In this case a Drive Fault a...

Page 31: ...5 MOTOR TEMP HIGH Motor temperature above 110 C Motor temperature below 85 C Refer to Seakeeper Drawing 90149 verify 1 boat seawater pump is on 2 seawater supplied to gyro heat exchanger 3 gyro glycol...

Page 32: ...lock Diagram check connectors on Brake Solenoid Valves and on Gyro Control Box 2 Contact Seakeeper distributor for brake circuit parts and service ALARM 27 SOLENOID VALVE 2 FAULT One of the four brake...

Page 33: ...LARM 38 GYRO MOTION FAULT Gyro angular rate more than 150 degrees per second none 1 Refer to Seakeeper Drawing 90157 Model 8000 Gyro Assembly and Parts List under Port Side View and confirm sensor is...

Page 34: ...Diagram check connector on Gyro Control Box ALARM 49 FAULTS ON BEARINGS 3 4 Bearing 3 Sensor Fault and Bearing 4 Sensor Fault Bearing 3 temperature sensor working or bearing 4 temperature sensor work...

Page 35: ...68 Z RATE SENSOR FAULT Z Rate sensor inside Control Box not working Functioning sensor Contact Seakeeper distributor for service ALARM 69 Y RATE SENSOR FAULT Y Rate sensor inside Control Box not work...

Page 36: ...ng sensor Refer to Seakeeper Drawing 90149 Cable Block Diagram check connector on Gyro Control Box WARN 132 BEARING 4 SENSOR FAULT Bad sensor or bad connection Functioning sensor Refer to Seakeeper Dr...

Page 37: ...connector on Gyro Control Box WARN 142 BEARING 3 SENSOR FAULT Bad sensor or bad connection Functioning sensor Refer to Seakeeper Drawing 90149 Cable Block Diagram check connector on Gyro Control Box W...

Page 38: ...CEL SENSOR FAULT Bad sensor or bad connection Functioning sensor Contact Seakeeper distributor for service 3 6 Alarm and Warning History The Service page on the Display shows the recent alarms and war...

Page 39: ...AND TROUBLESHOOTING 3 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 By depressing the INFORMA...

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Page 41: ...0026 Service Bulletin Gyro Paint Information Seakeeper 90083 Service Bulletin Gimbal Angle Sensor Replacement and Calibration Seakeeper 90106 Service Bulletin Fresh Water Rinse Notice Seakeeper 90133...

Page 42: ...as needed With other zincs or Annual Cooling Hoses Check for cracks or chafing If damaged replace hose Fill cooling system and purge air Annual Anti freeze Cooling Seawater side Inspect heat exchanger...

Page 43: ...nical Hydraulic Brake Replace brake bushings hydraulic accumulators and check valves and flush hydraulic oil 2000 hrs Hydraulic hand pump kit Brake bushing replacement tool kit Hydraulic brake parts k...

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Page 45: ...eper within the Warranty Period and within thirty 30 days from the date any such defect is first discovered The Goods or parts claimed to be defective must be returned to Seakeeper accompanied by a Re...

Page 46: ...NY GOODS OR PARTS WHICH PROVE TO SEAKEEPER S SATISFACTION TO BE DEFECTIVE AS A RESULT OF DEFECTIVE MATERIALS OR WORKMANSHIP IN ACCORDANCE WITH SEAKEEPER S STATED WARRANTY IN NO EVENT SHALL SEAKEEPER S...

Page 47: ...up Time to Rated RPM 35 Minutes Spool up Time to Stabilization 75 Rated RPM 20 Minutes Spool up Power AC Motor DC Motor 3000 Watts Max 240 Watts Operating Power AC Motor Sea state dependent DC Control...

Page 48: ...the concentrated Gyro loads from the saddle beams to the adjacent hull structure Loads that the Gyro imposes on the saddle beams are explained on page 6 of Seakeeper Drawing 90123 Cooling The Gyro be...

Page 49: ...limit large power demands at the expense of a small loss of performance Alarm and Monitoring Sensors alarms and shutdowns are provided to allow unattended operation Sensors measure flywheel bearing te...

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