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Table of Contents

Copyright Table of Contents About this Document How to Get Help Removal Procedures 7 - Compass-Nav Module Replacement Procedures 1 - Compass-Nav Module

About this Document

Document Conventions

Several symbols are used throughout this documentation to add emphasis and to assist in relocating important information. The following table describes these symbols and their uses.

SYMBOL	DESCRIPTION
	The Danger icon is used to indicate there is a potential risk of personal injury or death. Extra care should be taken to understand the risks, and all personnel should exercise caution. It may also be appropriate to warn others in the immediate vicinity.
	The Caution icon is used to indicate there is a potential risk of damage to the equipment or surrounding property. Personnel should receive training in the appropriate procedures before attempting to operate or maintain the equipment.
	The Do Not icon is used to indicate that an action or activity should NOT be performed.
	The Note icon is used to highlight a specific detail or point of information.
	The Tip icon is used to highlight a suggestion or recommendation.

Beyond this Document

There is no substitute for experience and/or training, especially with respect to the real purpose for which you plan to use this equipment. We encourage you to explore options beyond the scope of these materials to expand your knowledge and skills necessary to support your applications. In addition to this documentation, VideoRay offers training and technical support and hosts a general user discussion forum and user image gallery.

We also realize that collectively, users of our products spend considerably more time operating our systems than we do ourselves. Users also encounter more diverse operating environments across an extremely broad range of applications. We highly value this vast experience base, and invite and encourage you to share your experiences and suggestions with us. Please feel free to contact us by any of the methods listed below.

Quality Commitment

VideoRay strives to design, manufacture, deliver and support the highest quality products and services, including this documentation. We have made every effort to ensure that this documentation is accurate and provides you with the most up-to-date information.

If you find any errors in this documentation or have suggestions for improvements, each page contains a "Help us improve this document" feedback link in the left margin (you must be connected to the Internet to use this link).

Address
VideoRay LLC 212 East High Street Pottstown, PA 19464 USA
Email
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Online Manual

The full version of this manual is available online in the following formats:

• http://download.videoray.com/documentation/_CB-002-COMP-GYRO-ASSM_index for viewing the HMTL online.

• http://download.videoray.com/documentation/mnt/pdf/videoray_doc__CB-002-COMP-GYRO-ASSM_index.pdf for viewing the PDF online.

• http://download.videoray.com/documentation/mnt/zip/videoray_doc__CB-002-COMP-GYRO-ASSM_index.exe for downloading the HTML and PDF files.

How to Get Help

Help for your Pro 4 is available through several channels.

All Hours Self-Service / Crowd-Source Tools

Operator's Manuals and Standard Operating Procedures	www.videoray.com/support/manuals.html
Software Downloads	www.videoray.com/support/downloads.html
Frequently Asked Questions	www.rovfaq.com
ROV User Forum	www.rovinfo.com

Global Support

Email	support@videoray.com
Phone	+1 610-458-3000 (select option 1)
Skype	videoray.support (by appointment )
Remote Sessions	www.videoray.com/support/remote-support.html (by appointment )

Regional Support

VideoRay Authorized Service Centers and Dealers

www.videoray.com/dealer.html

Training

Operator Training	www.videoray.com/learn-more/training.html
Advanced Maintenance Training	www.videoray.com/learn-more/advanced-maintenance-courses.html

Operational Strategies and Tactics Support

If you need help understanding how to apply your system to a specific project, contact VideoRay or you local VideoRay dealer. We can provide guidance or help you find a certified consultant.

Compass - Navigation Module Removal Overview

Skill level recommended: Advanced

Total time required: Approximately 24 Minutes

Tools required:

• #2 Phillips Head Screw Driver
• 7/16 Inch Open End or Socket Wrench
• 5/16 Inch Open End Wrench or Nut Driver
• 5/16 Inch Open End Wrench or Nut Driver (Additional)
• Wooden Dowel Rod 3/8" x 12"
• Side Cutter

The following components must be removed:

• Float Block Kit
• Skid Kit
• Horizontal Thruster Propeller Kit (Left and Right)
• Horizontal Thruster Nozzle Kit
• Dome Retaining Rings and Main Hull Rods
• Rear Dome
• Compass - Navigation Module

See the corresponding sections of this manual for instructions for parts other than the Compass - Navigation Module.

Notes:

• When working on the compass/navigation module, follow standard anti-static practices to avoid damaging the module.

Compass - Navigation Module Removal Procedures

Time required for this step: Approximately 2 Minutes

Tools required for this step:

• Side Cutter

Parts involved in this step:

CB-002-COMP-GYRO-ASSM Compass - Navigation Module

Quantity	Part Number	Part Description
1	CB-002-COMP-GYRO-ASSM	Circuit Board ROV Assembly Nav (Pro 4)
1	7130K52	Cable Tie 4" Black

Steps

1. Carefully cut the cable tie that holds the compass/navigation module in place.

2. Gently lift the compass/navigation module straight up from the ROV CPU board. Be careful not to bend the pins as you remove the compass/navigation module from its socket.

Compass - Navigation Module Replacement Overview

Skill level recommended: Advanced

Total time required: Approximately 25 Minutes

Tools required:

• O-Ring Lubricator
• 5/16 Inch Open End Wrench or Nut Driver
• 5/16 Inch Open End Wrench or Nut Driver (Additional)
• Torque Wrench
• Red Loctite or equivalent
• 7/16 Inch Open End or Socket Wrench
• #2 Phillips Head Screw Driver

The following components must be replaced:

• Compass - Navigation Module
• Rear Dome
• Dome Retaining Rings and Main Hull Rods
• Horizontal Thruster Nozzle Kit
• Horizontal Thruster Propeller Kit (Left and Right)
• Skid Kit
• Float Block Kit

See the corresponding sections of this manual for instructions for parts other than the Compass - Navigation Module.

Notes:

• When working on the compass/navigation module, follow standard anti-static practices to avoid damaging the module.

Compass - Navigation Module Replacement Procedures

Time required for this step: Approximately 2 Minutes

Tools required for this step:

• None

Parts involved in this step:

CB-002-COMP-GYRO-ASSM Compass - Navigation Module

Quantity	Part Number	Part Description
1	CB-002-COMP-GYRO-ASSM	Circuit Board ROV Assembly Nav (Pro 4)
1	7130K52	Cable Tie 4" Black

Steps

1. Make sure a compass/navigation module support pad is in place on the underside of the compass/navigation module.

2. Make sure a compass/navigation module support pad is in place on the ROV CPU board behind the compass/navigation connector.

3. Place the compass/navigation module in position over the ROV CPU board with the navigation module connector pins toward the front of the ROV and facing downward. The compass/navigation module should hang over the back edge of the ROV CPU board.

4. Insert the compass module into the connector socket on the ROV CPU board and press it down until it seats firmly in the connector socket.

5. Secure the compass/naviation module with a cable tie.