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14

Rotary Drive - Installation Guide

Follow these steps to connect the rotary drive to the course computer:

1. Measure the total distance of cable run from the drive unit to the 

course computer:

use Table 2 to identify the appropriate motor cable size

use at least 1.5 mm

2

 (16 AWG) copper cable for the clutch 

2. Join these cables to the drive cables using appropriate electrical 

connectors or junction boxes at the correct power rating.

3. Route the cables back to the course computer, taking into account 

the EMC installation guidelines (see page 6).

4. Connect the cables to the course computer (see Figure 8):

CLUTCH

 terminals: red core to +ve, blue core to -ve.

MOTOR

 terminals: at this stage you can connect either motor 

cable to either terminal. You will check these connections 
after installing the rest of the autopilot system. 

            

Table 2: Recommended cable sizes

Cable length

(drive to course computer)

Cable gauge

(AWG)

Copper area

(mm

2

)

Type 1 drive

up to 3m (10ft)
up to 5m (16ft)
up to 7m (23ft)
up to 10m (32ft)
up to 16m (52ft)

14
12
10
8
6

2.5

6
10
16

Type 2 drive 12V

up to 5m (16ft)
up to 7m (23ft)
up to 16m (52ft)

10
8
6

6
10
16

Type 2 drive 24V

up to 3m (10ft)
up to 5m (16ft)
up to 10m (32ft)
up to 16m (52ft)

12
10
8
6

4
6
10
16

Summary of Contents for Rotary Drive

Page 1: ...Distributed by 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...

Page 2: ...Rotary Drive Installation Guide Drives covered M81135 Type 1 Rotary Drive 12 V M81136 Type 2 Rotary Drive 12 V M81137 Type 2 Rotary Drive 24 V Document number 81174 3 March 2001...

Page 3: ...e 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 industr...

Page 4: ...ng design of the Raymarine rotary drive unit provides smooth powerful autopilot controlled steering with quiet operation The main parts of the drive are a rugged electric motor that drives a precision...

Page 5: ...24 V Maximum boat displacement 10 000 kg 22 000 lb 20 000 kg 44 000 lb Peak output torque 20 Nm 180 lb in 34 Nm 300 lb in Maximum shaft speed 33 rpm 33 rpm Recommended hardover to hardover time no loa...

Page 6: ...nd grub screws for drive and steering system see page 9 thread locking compound suitable drive chain see page 9 suitable cable and electrical connectors for the drive motor and clutch see page 13 Note...

Page 7: ...en to ensure that they will perform under all conditions it is important to understand what factors could affect the operation of the product The guidelines given here describe the conditions for opti...

Page 8: ...perating mode Raymarine specified cables are used Cutting and rejoining these cables can compromise EMC performance and must be avoided unless doing so is detailed in the installation manual Ifasuppre...

Page 9: ...tantial frame member in the boat In some cases you may need to build a special frame to mount the drive unit To prevent excess noise andvibration do not attach this drive to any structures that suppor...

Page 10: ...between a sprocket on the drive and a sprocket on the boat s steering shaft Note Most steering gear manufacturers supply special autopilot drive attachments and many include this as standard Contact y...

Page 11: ...ed by the dotted lines on Figure 4 a 13 tooth drive sprocket and38 toothsteering sprocket if you have a Type 1 rotary drive a 15 tooth drive sprocket and57 toothsteering sprocket if you have a Type 2...

Page 12: ...85 25 tooth part number M81186 CAUTION To stop the drive sprocket rotating on the drive shaft the shaft has a 1 8 inch square projection a woodruff key that fits into a notch or keyway at the centre o...

Page 13: ...ckets see Figure 6 Figure 6 Sprocket alignment Adjusting the chain tension Adjust the chain tension until it is just tight so there is minimal lost motion between the drive sprocket and the rudder sto...

Page 14: ...rrectly aligned WARNING Keep clear of moving steering systems at all times Protect moving parts from access during normal use 3 Connecting to the course computer WARNING Electrical safety Make sure th...

Page 15: ...EMC installation guidelines see page 6 4 Connect the cables to the course computer see Figure 8 CLUTCH terminals red core to ve blue core to ve MOTOR terminals at this stage you can connect either mot...

Page 16: ...e a hand steering check Do the chain and sprockets move freely and in correct alignment from hardover to hardover Note When you have installed the entire autopilot system you will needtocompleteanauto...

Page 17: ...e can cause adjacent pieces of electrical equipment to interact with one another with a consequent adverse effect on operation In order to minimize these effects and enable you to get the best possibl...

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