The following tables provide information for periodic inspection and maintenance. All users should follow these guidelines, however, some repair / replacement procedures require advanced training.
| Action |
Frequency |
Skill Level for Repair / Replacement |
Reference / Notes |
| External Visual Inspection |
Before and after every dive. |
All Users |
See the Quick Start Guide in the Operator's Manual. |
| Fresh Water Soak |
After every dive. |
All Users |
See the Quick Start Guide in the Operator's Manual. |
| Cartridge Seal Replacement |
When the cartridge seal oil level is less than 1/2 the volume of the cartridge.
When the cartridge seal oil looks cloudy or contaminated.
When you notice a significant change in the cartridge seal oil level over a short period of time or use. |
All Users |
See the horizontal or vertical cartridge seal removal and replacement instructions in the Maintenance Manual. |
| Propeller Replacement |
When the propeller blade is cracked, chipped or excessively worn. |
All Users |
See the horizontal or vertical propeller removal and replacement instructions in the Maintenance Manual. |
| Float Block Replacement |
If the ROV is used in environments where the float block is routinely scraped, such as in ship hull inspections, the float block should be replaced if the outer shell is significantly worn. The float block should be replaced before the outer shell is worn through to the core material. |
All Users |
See the float block removal and replacement instructions in the Maintenance Manual. |
| Main Dome Replacement
|
When the dome is scratched or marred within the camera's view.
When the dome has deep scratches or cracks. |
Advanced Training Required |
See the front or rear dome removal and replacement instructions in the Maintenance Manual.
Note: The main domes are interchangeable and the rear dome can be used on the front of the ROV to replace a mildly scratched or marred dome that affects camera image quality. |
| Light Dome Replacement |
When the dome has deep scratches or cracks. |
Advanced Training Required |
See the light dome removal and replacement instructions in the Maintenance Manual. |
| Desiccant Pack Replacement |
When condensation appears on the inside of the domes and a leak has been ruled out. |
Advanced Training Required |
See the desiccant pack removal and replacement instructions in the Maintenance Manual.
Note: The desiccant pack can be dried and reused. To dry the desiccant pack, remove it and heat it in a low temperature oven (150-200 F or 65-95 C) for about 1/2 hour. |
| O-ring Replacement |
Annually.
When an O-ring looks cracked or suffering from dry rot. |
Advanced Training Required |
See the specific instructions for each component in the removal and replacement section of the Maintenance Manual. |
| Hull Component Replacement |
With proper maintenance and cleaning, most hull components have life expectancy of many years. If you notice corrosion or deep pitting, you may need to replace that component. |
Advanced Training Required |
See the specific instructions for each component in the removal and replacement section of the Maintenance Manual. |
Procedures with a skill level of "Advanced Training Required" require knowledge and skill levels beyond what is presented in this user manual. VideoRay offers training courses for operators and technicians to address these needs. Contact VideoRay for more information.