The service manual provides the only approved methods for performing key maintenance tasks. Here are some examples of critical procedures it covers:
: The system requires roughly 3 to 5 hours after startup to reach full accuracy (± 0.1°) before it can be used for navigation.
| Task | Typical Interval | Why It's Important | | :--- | :--- | :--- | | Full System Cleaning & Inspection | Annual | Prevents system failures from contamination and identifies potential issues early. | | Calibration and Heading Alignment | Annual | Ensures the compass remains accurate and compliant. | | Sensitive Element (Gyrosphere) Replacement | Every 4 years | This is a core component with a finite lifespan. Timely replacement prevents sudden failure and inaccuracy. | | Replacement of Brushes and Other Wear Parts | 2–6 years, depending on part | Prevents mechanical failure due to wear. The manual specifies exact intervals for all moving parts. |
Check the cooling fans for dust accumulation and clear any obstructions.
The service manual for this system is its indispensable companion. It is the master document that provides the technical knowledge required to install, operate, maintain, troubleshoot, and overhaul the Standard 20. Without this manual, technicians would be unable to perform essential tasks, from basic alignment to complex component replacement, making it the most critical tool for ensuring the compass remains a reliable source of heading data in the demanding marine environment. anschutz gyro compass standard 20 service manual
: Detailed instructions on physical mounting, filling the supporting liquid and distilled water, and performing initial startup tests.
Includes the heating cartridge and pump rotor to maintain precise internal pressure and temperature (typically 45°C–70°C). Follow-up System:
Whether you are a chief engineer troubleshooting a wandering gyro, a shore-side technician preparing for an annual survey, or a cadet learning the principles of marine gyrocompasses, this manual belongs in your technical library.
Measure power supply voltages to ensure they are within specification. The service manual provides the only approved methods
The most delicate service task:
[Power Off System] ──> [Allow 5 Hours Cool Down] ──> [Siphon Out Old Fluid] │ [Verify Gyrosphere Condition] <── [Clean Outer Container] <──┘ │ └──> [Fill Supporting Fluid + Distilled Water] ──> [Calibrate Conductivity]
Check for any abnormal noise or vibration.
The Standard 20 control unit features built-in test equipment (BITE) that displays specific error codes when a subsystem fails. Error Code / Symptom Probable Cause Corrective Action Fluid temperature too low or sensor failed. | | Calibration and Heading Alignment | Annual
When the system detects a fault, it displays specific error codes on the digital operator unit. Common issues identified in the Anschütz Technical Documentation include: www.navico-commercial.com Gyro Compass - Simrad Commercial
Houses the central terminal strips, fuses, fuses monitoring relays, and step/synchro output amplifiers to distribute heading data to radar, ECDIS, and repeaters. Installation and Commissioning Guidelines
Whether you need specific or pinout configurations
Scheduled tasks to ensure optimal performance.
: Control and operator units that process heading signals and perform speed-error corrections. Maintenance Intervals and Procedures