1.0 Introduction

Seakeeper 10

Installation Manual

90841, Revision 1

This document is intended to give details and guidance to a boat builder or equipment installer to install the Seakeeper 10 (Serial No. 10-244-0001 to Current).

Reference Documents


1.1 Precautions

  • The Seakeeper must only be lifted from the supplied lifting eyes (see Section: Transport and Unpacking).
  • The Seakeeper flywheel is supported by precision bearings. While unpacking and lifting the Seakeeper assembly DO NOT drop or impart mechanical shock as damage to bearings could result.
  • While handling / installing the Seakeeper assembly, protect exposed hydraulic brake cylinder rods (See Figure 1) from scratches or damage as this could lead to premature seal failure and oil leaks.
  • While handling / installing the Seakeeper assembly, do not allow electrical fittings that exit bottom of the Seakeeper enclosure to contact any surface or object as this could damage the fittings and potentially affect the vacuum integrity of the enclosure.
  • Exercise care to protect the painted surfaces as damage to finish could lead to early appearance degradation of the installed Seakeeper.
Figure 1 Seakeeper 10

1.1.1 Safety

There is a large torque about the gimbal axis when the Seakeeper is precessing. Seakeeper cover panels are provided to prevent personnel or equipment from contacting the Seakeeper while it is in operation. These covers should not be stepped on or have anything placed on top. The covers should always be in place during operation.

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If it is ever necessary to access the Seakeeper while the flywheel is spinning, the Seakeeper must be locked at the display to stop the Seakeeper from precessing.

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Stand clear of the Seakeeper and all moving components.

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The unit may be started remotely. Assume it could move without warning.

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The following must be true before accessing the Seakeeper for maintenance or inspection:
* Input power must be disconnected for at least 10 minutes
* The Seakeeper must be locked
* Flywheel must be at zero speed


1.2 Transport & Unpacking

Reference Documents

1.2.1 Transport

  1. Use a Seakeeper provided shipping crate for transport. P/N 90846. Overall dimensions of a fully packed crate are 43.25 L x 37.5 W x 33.25 H in. (1.1 L x 0.95 W x 0.84 H m) with a weight of 1460 lbs (663 kg).
  2. Seakeeper 10 crates can be stacked up to two (2) units high. Only like units should be stacked, i.e., Seakeeper 10 on top of a Seakeeper 10
  3. Both Air and Ground transport are acceptable.
  4. Seakeeper shipping crates must be transported in environmental conditions between 32°F and 140°F (0°C and 60°C).

1.2.2 Unpacking Crate

  1. Reference Seakeeper Drawing No. 90814 – Seakeeper 10 Hardware Scope of Supply for items that ship with the corresponding Seakeeper model.
  2. Remove covers, electrical components, display, cables, and misc. items and set aside.
  3. Remove packing materials that secure Seakeeper assembly inside the crate.
  4. Attach spreader bar (P/N TBD) to the two lifting eyes located on the top of the Seakeeper enclosure. Stay clear of any other parts on the Seakeeper. The Seakeeper 10 weighs 1246 lbs (565 kg). See Figure 2 below.
  5. Remove lag bolts from the Seakeeper foundation and prepare to lift the Seakeeper from the crate.
Figure 2 – Seakeeper 10 Lifting Arrangement