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Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the
Raytheon Company.
Linear Drive
Installation Guide
Drives covered:
M81130 Type 1 Linear Drive 12 V
M81131 Type 2 (short) Linear Drive 12 V
M81132 Type 2 (long) Linear Drive 12 V
M81133 Type 2 (short) Linear Drive 24 V
M81134 Type 2 (long) Linear Drive 24 V
Document number: 81175-3
March 2001
2 |
Linear Drive - Installation Guide |
Important information
Safety notices
WARNING: Product installation
This equipment must be installed and operated in accordance with the instructions contained in this handbook. Failure to do so could result in poor product performance, personal injury and/ or damage to your boat.
Because correct performance of the boat’s steering is critical for safety, we STRONGLY RECOMMEND that an Authorized Raymarine Service Representative fits this product.
WARNING: Navigation aid
Although we have designed this product to be accurate and reliable, many factors can affect its performance. As a result, it should only be used as an aid to navigation and should never replace commonsense and navigational judgement. Always maintain a permanent watch so you can respond to situations as they develop.
EMC conformance
All Raymarine equipment and accessories are designed to the best industry standards for use in the recreational marine environment. The design and manufacture of Raymarine equipment and accessories conform to the appropriate Electromagnetic Compatibility (EMC) standards, but correct installation is required to ensure that performance is not compromised.
Handbook information
To the best of our knowledge, the information in this handbook was correct when it went to press. However, Raymarine cannot accept liability for any inaccuracies or omissions it may contain. In addition, our policy of continuous product improvement may change specifications without notice. As a result, Raymarine cannot accept liability for any differences between the product and the handbook.
© Raymarine Ltd 2001.
Linear Drive - Installation Guide |
3 |
Introduction
Product description
Welcome to the installation guide for the Raymarine linear drive. This product is intended to operate the boat’s steering mechanism as part of a Raymarine autopilot system. It is designed for boats with existing mechanical steering systems
CAUTION:
This drive moves the rudder directly from the tiller arm or rudder quadrant. Before installing the drive, check that the boat’s steering system can be backdriven from the rudder.
The outstanding design of the Raymarine linear drive unit provides:
•powerful thrust, fast hardover times and quiet operation
•low backdrive force, to minimize the drive’s effect on the boat’s steering when the autopilot is in standby
•a powerful electric motor controlled by an electromagnetic failsafe clutch, using a high tensile belt drive and epicyclic gearbox
•high performance for minimum current consumption
Clutch cable |
Rod end |
Push rod |
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Motor cables |
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Mounting foot
Motor, gearbox and
clutch assembly
D5075-1
Figure 1: Main parts of the linear drive
Contents
This guide contains:
1 |
Product specifications |
page 4 |
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2 |
Installation instructions |
page 5 |
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3 |
Maintenance information |
page 14 |
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4 |
Linear Drive - Installation Guide |
Specifications
Drive specifications
Table 1: Drive specifications
Performance* |
Type 1 (T1) |
Type 2 short |
Type 2 long |
(at nominal voltage) |
M81130 (12 V) |
(T2S) |
(T2L) |
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M81131 (12 V) |
M81132 (12 V) |
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M81133 (24 V) |
M81134 (24 V) |
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Maximum boat displacement |
10,000 kg |
15,000 kg |
20,000 kg |
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(22,000 lb) |
(33,000 lb) |
(44,000 lb) |
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Peak thrust |
295 kg |
480 kg |
480 kg |
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(650 lb) |
(1,050 lb) |
(1,050 lb) |
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Maximum stroke |
300 mm |
300 mm |
400 mm |
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(12 in) |
(12 in) |
(16 in) |
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Hardover to hardover time |
11 sec |
11 sec |
14 sec |
(+/- 35º, no load) |
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Maximum rudder torque |
735 Nm |
1,190 Nm |
1,660 Nm |
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(6,500 lb.in) |
(10,500 lb.in) |
(14,700 lb.in) |
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Power consumption |
18-36 W |
48-72 W (12 V) |
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(typical average) |
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66-96W (24 V) |
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Other information |
(applies to Types 1 and 2 short/long) |
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protected for use in engine compartments |
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CE approvals - conforms to: 89/336/EC (EMC), EN60945:1997 94/25/EC (RCD), EN28846:1993
Linear Drive - Installation Guide |
5 |
Drive dimensions
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A (midstroke) |
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197 mm (7.8 in) |
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mm (2 in) |
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50 |
79 mm (3.1 in) |
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in) |
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90º |
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114 mm (4.5 |
Drive |
Dimension 'A' |
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4 fixing holes suitable |
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Type 1 |
700 mm (27.5 in) |
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for 10 mm (0.4 in) bolts |
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Type 2 (short) |
700 mm (27.5 in) |
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Type 2 (long) |
850 mm (33.5 in) |
D5081-1 |
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Figure 2: Linear drive dimensions
Installation instructions
Parts required
To install this drive you will need:
•Parts supplied:
•linear drive
•mounting foot assembly, consisting of: foot, pivot pin, washer (x2), R-clip (x2)
•tiller pin assembly (see Figure 6) consisting of: tiller pin, R-clip, top washer, lock washer, nut (1/2 inch UNC nylock)
•Additional parts:
•suitable securing bolts and lock nuts/lock washers (see page 10)
•suitable cable and electrical connectors for the drive motor and clutch (see page 12)
Note: Make sure you have obtained these additional parts before you
start installation.
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