GARMIN 010-12029-00 Class B Compact Drive Unit Installation Guide

GARMIN 010-12029-00 Class B Compact Drive Unit Installation Instructions

To obtain the best performance and to avoid damage to your boat, install this drive unit according to these instructions. Professional installation of the drive unit is highly recommended, because specific knowledge of rudder operation is required to properly install the drive unit. Read all installation instructions before proceeding with the installation. If you experience difficulty during the installation, contact Garmin® Product Support.

Important Safety Information

WARNING

You are responsible for the safe and prudent operation of your vessel. The autopilot is a tool that enhances your capability to operate your boat. It does not relieve you of the responsibility of safely operating your boat. Avoid navigational hazards and never leave the helm unattended.

See the Important Safety and Product Information guide in the product box for product warnings and other important information.

CAUTION

When in use, beware of hot surfaces on the heat-sink, motor, and solenoid components.

To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling, cutting, or sanding.

NOTICE

To avoid damage to your boat, the autopilot system should be installed by a qualified marine installer. Specific knowledge of marine steering and electrical systems is required for proper installation.

The drive unit movement must be limited by physical end stops. Failure to install end stops will cause the drive unit to act as a travel limiter and will damage the drive unit.

When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vessel.

Contacting Garmin Support

• Go to support.garmin.com for help and information, such as product manuals, frequently asked questions, videos, and customer support.
• In the USA, call 913-397-8200 or 1-800-800-1020.
• In the UK, call 0808 238 0000.
• In Europe, call +44 (0) 870 850 1241.

Tools Needed

• Tiller arm (if needed)
• End stops to limit rudder travel (if not already present on the boat)
• Safety glasses
• Drill and drill bits
• Wrenches
• Torque wrench
• LOCTITE® 638™ retaining compound or equivalent (recommended)
• Hex or allen wrenches (for removing the device from the base for maintenance or repair)

Mounting Location Considerations

NOTICE

This device should be mounted in a location that is not exposed to extreme temperatures or conditions. The temperature range for this device is listed in the product specifications. Extended exposure to temperatures exceeding the specified temperature range, in storage or operating conditions, may cause device failure. Extreme-temperature-induced damage and related consequences are not covered by the warranty.

The drive unit must be installed within specific extension and angle limitations, as mentioned below and defined in the specifications at the end of these instructions. Exceeding the extension or angle limitations will damage the drive unit. Installation-related damage is not covered by the warranty.

When selecting a mounting location, observe these considerations.

• The drive unit must be installed under deck, in a location not subject to flooding or washdown.
• The drive unit must be mounted securely on a surface that is able to withstand the high thrusts generated by the rudder.
• The drive unit movement must be limited by physical stops, and not by the length of the drive unit rod, or damage to the drive unit will occur.
• No part of the drive unit or rod should contact the vessel, quadrant, or tiller arm throughout the full range of movement.
• You must not exceed the 10 degree tilt at the extremes of the stroke, because it will damage the drive unit.

Tiller Arm and End Stop Considerations

You can connect the drive unit to either an existing quadrant or to a tiller arm (not included). If you do not have a quadrant or cannot install the drive unit at your quadrant location, choose a tiller arm that fits the diameter of your rudder post and is the correct length for the installation location.

The supplied tiller bolt is suitable for a quadrant or tiller arm thickness of 12 mm (0.47 in.) to 16 mm (0.63 in.). The drive unit must not act as a rudder- movement limiter. Physical end stops (not included) must be in place to limit the drive-unit travel to 254 mm (10 in.) from fully retracted to fully extended, or damage to the drive unit will occur.

Mounting the Drive Unit

Hardware is supplied to fasten the drive unit to the mounting surface. The supplied M8 bolts, washers, and nuts are suitable for mounting the cylinder on a surface between 12 mm (0.47 in.) and 24 mm (0.95 in.) thick.

1. With the drive unit in the mounting location, mark the locations of the four mounting holes on the surface.
2. Verify the marked locations. The marked locations should be 76.2 mm (3 in.) apart .
3. Drill 8.8 mm (0.35 in.) holes through the mounting surface.
4. Secure the drive unit to the mounting surface using the supplied M8 bolts, washers, and nuts.
5. Tighten the bolts to 17 Nm (12.5 ft-lbf).

Installing the Tiller Pin

The supplied tiller bolt is suitable for a quadrant or tiller arm thickness of 12 to 16 mm (0.47 to 0.63 in.).

1. Drill a 12.2 mm (0.48 in.) hole in the quadrant or tiller arm (1) (not included) for the tiller bolt.

2. Place the tiller bolt (2) into the quadrant or tiller arm, and secure it with the M12 washer (2) and the M12 lock nut (4).
   It is recommended to apply LOCTITE 638, or an equivalent retaining compound, to the tiller bolt where it passes through the quadrant or tiller arm.

3. Place the drive unit rod (5) on the tiller bolt.

4. Fasten the rod to the tiller bolt with the other M12 washer (6) and the locking pin (7).

Installing the Feedback Sensor

To use the drive unit with a Garmin autopilot, the feedback sensor must be installed after the drive unit has been installed.

1. Place the base of the feedback sensor (1) on the pin at the top of the drive unit (2).
   

2. Extend the rod of the feedback sensor if necessary, and place it on the top of the tiller pin (3).

3. Secure the feedback sensor to the tiller pin with the included M5 washer (5) and locking pin (5).

4. Secure the feedback sensor to the pin at the top of the drive unit with the other included M5 washer and other locking pin.

Connecting the Drive Unit to a Garmin Autopilot

NOTICE

The cables connected to the drive unit should not be cut, because cutting the drive-unit cables voids your warranty.

Consult the installation instructions provided with your Garmin autopilot to install the autopilot components and to connect the drive unit to the correct component.

Maintenance

To maximize the life of your drive unit, these maintenance guidelines should be observed.

• The cylinder rod should be kept free from damage.
• The drive unit should not be exposed to salt water.
• The mounting hardware and the tiller-bolt hardware should be inspected on a regular basis, and any components should be tightened if necessary.
• The rod end and the tiller bolt should be kept lubricated with marine-grade grease. Only high-quality marine grease that is compatible with nitrile seals should be used.

Removing the Drive Unit from the Base

The drive unit can be removed from the base for service, if needed.

1. Remove the motor coil, secured by a 17 mm nut (1).

2. Loosen and remove the allen screw (2) and retaining plate (3).
   

3. Remove the mounting pin (4) to release the drive unit from the base.
   If the pin is difficult to remove, you can remove the plastic cap from the head of the pin and insert the screw you removed in step 2 to provide a grip for pliers.

Drive Unit Dimensions

Drive Unit Installation Example

This example shows a typical cylinder installation on a 213 mm (8.39 in.) quadrant or tiller arm with a total rudder angle of 70 degrees (2 × 35 degrees).

Specifications

© 2013 Garmin Ltd. or its subsidiaries
Garmin® and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. These trademarks may not be used without the express permission of Garmin.
LOCTITE® 638™ is a trademark of Henkel Corporation in the U.S. and elsewhere.

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