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Copyright © 2020, VideoRay LLC - The Global Leader in Micro-ROV Technology

Table of Contents

Copyright Table of Contents About this Document How to Get Help Before Contacting Support OverView Removal Procedures 10 - ROV Heat Sink Replacement Procedures 1 - ROV Heat Sink

About this Document

Online Manual

This Quick Start Guide is a subset of the full version of this manual, which is available on the Pro 4 control panel and online in the following formats:

• Installed on the Pro 4 control panel at: _MAR-PCB6_index for viewing the HMTL locally.

• http://download.videoray.com/_MAR-PCB6_index for viewing the HMTL online.

• http://download.videoray.com/documentation/mnt/pdf/videoray_doc__MAR-PCB6_index.pdf for viewing the PDF online.

• http://download.videoray.com/documentation/mnt/zip/videoray_doc__MAR-PCB6_index.exe for downloading the HTML and PDF files.

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
info@videoray.com	General Information and Sales
support@videoray.com	Technical Support
Telephone
+1 610-458-3000	Office
+1 610-458-3010	Fax

Disclaimer

This document is deemed accurate at the time of its writing, however it is not a legal contract and the information contained herein should not be construed to represent any form of commitment. This document as well as the associated products and services are subject to change without notice.

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 Dealers and Service Centers

www.videoray.com/dealer.html

Training

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

OverView

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ROV Heat Sink Removal Overview

Skill level recommended: Advanced

Total time required: Approximately 37 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"
• Dental Pick or equivalent
• #1 Phillips Head Screw Driver

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
• Rear Hull Ring Assembly
• Desiccant Pack
• ROV Board Set
• ROV Heat Sink

See the corresponding sections of this manual for instructions for parts other than the ROV Heat Sink.

Notes:

• When working on the heat sink, follow standard anti-static practices to avoid damaging the ROV power board.

ROV Heat Sink Removal Procedures

Time required for this step: Approximately 5 Minutes

Tools required for this step:

• #1 Phillips Head Screw Driver

Parts involved in this step:

MAR-PCB6 ROV Heat Sink

Quantity	Part Number	Part Description
1	MAR-PCB6	Heat Sink ROV Bar (Pro 4)
1	MAR-PCB6-SPCR	Heat Sink ROV Bar Spacer (Pro 4)
1	BER170-ND	Heat Sink 36.83mm x 21.08mm x 0.14mm Thermal Pad
2	92010A114	Screw M3 x 0.5mm x 5mm Flat Head Phillips SS

Steps

1. Remove the two 3 X 5 mm Phillips flat head screws that hold the heat sink to the ROV power control board.

2. Lift the heat sink from the ROV power control board. Make sure to keep track of the small heat sink and two small thick heat sink pads.

3. Remove the heat sink spacer and heat sink pad from under where the heat sink was located.

ROV Heat Sink Replacement Overview

Skill level recommended: Advanced

Total time required: Approximately 38 Minutes

Tools required:

• #1 Phillips Head Screw Driver
• 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:

• ROV Heat Sink
• ROV Board Set
• Desiccant Pack
• Rear Hull Ring Assembly
• 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 ROV Heat Sink.

Notes:

• When working on the heat sink, follow standard anti-static practices to avoid damaging the ROV power board.

ROV Heat Sink Replacement Procedures

Time required for this step: Approximately 5 Minutes

Tools required for this step:

• #1 Phillips Head Screw Driver

Parts involved in this step:

MAR-PCB6 ROV Heat Sink

Quantity	Part Number	Part Description
1	MAR-PCB6	Heat Sink ROV Bar (Pro 4)
1	MAR-PCB6-SPCR	Heat Sink ROV Bar Spacer (Pro 4)
1	BER170-ND	Heat Sink 36.83mm x 21.08mm x 0.14mm Thermal Pad
2	92010A114	Screw M3 x 0.5mm x 5mm Flat Head Phillips SS

Steps

1. Place the two small thick heat sink pads over the shorter component on the bottom of the ROV power board.

2. Place the small aluminum heat sink over the pads and taller component on the bottom of the ROV power board.

3. Orient the heat sink at the bottom of the ROV power board so that the curved surface of the heat sink faces away from the ROV power board and the end of the heat sink with the holes is toward the circular cut out in the ROV power board for the vertical thruster.

4. Align the screw holes in the ROV heat sink and ROV power board.

5. Replace the two 3 X 5 mm Phillips flat head screws and tighten the screws.

6. Make sure the thin heat sink pad is in place on the curved part of the heat sink.

Tips

Some heat sink bars may have four screws instead of two.