OPERATION
MANUAL
Section 4: MAINTENANCE
4.0 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.
If the gyro is installed in a wet space, efforts should be made to keep gyro free of salt residue from
either condensation or direct exposure to salt spray. If exposed, a regular wipe down with mild soap
and water with a rinse will help limit corrosion and keep the gyro assembly in good cosmetic condition.
Refer to Service Bulletin 90106 for details.
The gyro comes standard with sealant and thread locker on applicable fasteners. When reinstalling all
fasteners use thread locker and sealant unless otherwise specified.
4.1 REFERENCES
• Seakeeper 90025, Service Bulletin, Brake Bleeding
• Seakeeper 90026, 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, Service Bulletin, Gyro Annual Inspection Instructions
• Seakeeper 90134, Service Bulletin, Gyro 2000 Hour Service Instructions
4.2 PRECAUTIONS
• Gyro Hydraulic Hand Pump Kit, Part No. 10384, is required for servicing the brake.
Pressure should NOT be relieved unless this tool is available.
• Never charge the nitrogen charged accumulators with oxygen or shop air!
4.3 PARTS AND SPECIAL TOOLS
Gyro Hydraulic Hand Pump Kit
Required for all brake service tasks.
10449 Brake Bushing Replacement Tool Kit
Contains tools used for changing bushings on all
model gyros.
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