Ray Marine Tiller Drive Installation Instructions 87061 2 EN

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Tiller Drive
Installation Guide

Document number: 870612
Date: Oct 2006

Tiller Drive

3

System layout

Tiller drive

Course computer

Boat's electrical
distribution panel

Fluxgate compass

Control unit

D8922-1

NMEA
instrument
or navigator

4

Tiller Drive

Parts supplied
Tiller drive parts

Plug

Cable clip
and screw,
No 6 x 1/2 in

Tiller drive

Socket
Socket screw
No 4 x 3/4 in (x2)

D5437-2

Mounting
socket

Tiller
pin

Tools required
1.
2.
3.
4.
5.

Drill
2.5 mm (3/32"), 6 mm(1/4"), 12.5 mm (1/2"), 18 mm (23/32") drill bits
Twopart epoxy (Araldite) adhesive
Crosshead/pozidrive screwdriver
Slottedhead screwdriver

Tiller Drive

5

Contents
Standard installation

12.5 mm
(0.5 in)

Tiller pin

Mounting socket

6
Mounting requirements 6
Installation procedure 7
Installing the socket 9
Connecting to the
10
course computer

Adapting the installation
Drive unit position
Accessories
Pushrod extension
C

11
11
13
14

L

F

Cantilever socket
Pedestal socket

15
16

Tiller brackets

17

L

E

6

Tiller Drive

Standard installation
Mounting requirements

The standard tiller drive mounting arrangement is shown below.
Mount the drive horizontally. With the tiller centred, the drive axis must be at 90 degrees to
the tiller axis. The standard actuation point on the tiller arm shall be 460 mm (18") from the
tiller rotation axis; this distance may be reduced within limits detailed on page 11.

90

o

457 mm (18 in)

620mm (24.5")

457 mm (18 in)

620mm (24.5")

90

o

620mm (24.5")

D8819_2

620mm (24.5")

Tiller Drive

7

The installation can be adapted to suit a wide variety of configurations. See also:
• Drive unit position page 11
• Accessories page 13

Installation procedure

This procedure can be followed when neither accessories or adaption of the drive unit
position are required.
Install the tiller drives as follows:
1. Securely clamp the tiller, mark the pin position and drill the 6 mm (1/4”) hole.
2. Fix the pin in position using a twopart epoxy adhesive.
3. Check the shoulder height of the pin.

2.

m

(1

8i

n)

1.

45

7m

Two part
epoxy
adhesive
to fix tiller
pin in
place

6 mm
(0.25 in)
12.5 mm
(0.5 in)

3.
Allow epoxy to fully harden
before applying load.

D8818-2

12.5 mm
(0.5 in)

4. Mark the socket position and drill a 6 mm (1/4“) pilot hole to confirm the thickness of the
structure. If less than 25 mm, reinforce with plywood and bond into position. Once cured
open up the hole diameter to 12.5 mm (1/2”).
5. Fix the socket in position using a twopart epoxy adhesive.

8

Tiller Drive

6. Once the epoxy has fully hardened, fit the tiller drive.

4.
620 m

m (24

.5 in)

12.5 mm
(1/2 in)

25mm
(1.0 in)

5.

6.

Two part
epoxy adhesive
to fix mounting
socket in place

D8831_2

m
7m
45

in)
(18

Tiller Drive

9

Installing the socket
1.
2.
3.
4.

Cutout and tape the template to the bulkhead in the required position.
Drill a 18 mm (23/32”) clearance hole and two 2.5 mm (3/32”) pilot holes.
Lift off the template remove burrs or sharp edges.
Pass the cable through the bulkhead and attach to the socket, making sure you connect
each core to the correct pin.

Attach the socket to the bulkhead using the two selftapping screws. Use cable clamps to
secure the drive cable at regular intervals.

Rear of socket

Terminal
identification
stripes

Drive (blue)
3 stripe terminal

Drive (brown)
2 stripe terminal

D8840-1

To the
control unit

Drill 2.5 mm (3/32 inch)
diameter hole (2 positions)

Drill 18 mm (23/32 inch)
diameter hole

D5411-2

Tiller drive - socket template

10

Tiller Drive

Connecting to the course computer

The tiller drive is supplied with a cord and plug. To connect the drive and course computer, the
supplied socket should be installed and a cable routed from the socket to the course computer.
1. Measure the required length of cable and select the correct gauge using the following
table:

Cable length

Copper area

AWG

Up to 2.5 m (8 ft)
Up to 4.0 m (13 ft)
Up to 6.0 m (22 ft)

1.0 mm
1.5 mm2
2.5 mm2

18
16
14

2

2. Route the cable from the socket to the course computer.
Course computer

Brown

POWER IN

RF GND

Blue

D9446-1

SEATALK

Tiller Drive

11

Adapting the installation
Drive unit position

The tiller pin and drive pedestal can be mounted between 356 mm and 457 mm (14”  18”)
from the centre of the rudder stock. 457 mm (18”) is the standard distance for use on vessels
up to:
• 6 tonnes fully laden displacement for the standard tiller drive unit.
• 7.5 tonnes fully laden displacement for the GP tiller drive unit.
Note:

Typically laden displacement is up to 20% greater than manufacturers’ displacement figures.

For lighter displacement vessels requiring faster turn rates it is possible to install the tiller pin
and drive pedestal closer to the rudder stock, to a minimum of 356 mm (14“).
Tiller Drive Unit Position Range

D9291_1

90˚

356 mm to 457 mm (14 in to 18 in)

620mm (24.5")

12

Tiller Drive

The following table can be used to calculate the required position.

Drive pin
distance from
rudder stock

Max degrees of
helm (with pilot
engaged)

Rate of helm
change

Force at rudder

457 mm (18”)
standard distance

31º

8 º per second

84 kgf

432 mm (17”)

33º

8 º per second

79 kgf

406 mm (16”)

35º

9 º per second

75 kgf

381 mm (15”)

37º

9 º per second

70 kgf

356 mm (14”)

39º

10 º per second

65 kgf

Tiller Drive

13

Accessories
The following accessories may be used to adapt the tiller drive mounting to suit different
installation requirements.

Part Number

Description

D003

Pushrod Extension 25 mm (1")

D004

Pushrod Extension 51 mm (2")

D005

Pushrod Extension 76 mm (3")

D006

Pushrod Extension 102 mm (4")

D007

Pushrod Extension 127 mm (5")

D009

Tiller Bracket 25 mm (1")

D010

Tiller Bracket 51 mm (2")

D011

Tiller Bracket 76 mm (3")

D159

Tiller Bracket 102 mm (4")

D160

Tiller Bracket 127 mm (5")

D031

Cantilever Socket

D026

Pedestal Socket 38 mm (1.5")

D027

Pedestal Socket 51 mm (2")

D028

Pedestal Socket 64 mm (2.5")

D029

Pedestal Socket 76 mm (3")

D030

Pedestal Socket 89 mm (3.5")

D002

Mounting Socket (package of 5)

D014

Small Thread Tiller Pin (package of 5)

D001

Tiller Pin (package of 5)

D014

Small threaded tiller pin 25 mm (1")

D020

Extra length tiller pin 71 mm (2.8”)

D021

Extra length threaded tiller pin 71 mm (2.8”)

14

Tiller Drive

Pushrod extension
Use a pushrod extension if dimension C is greater than 620 mm (24.5”).
1. Select a pushrod extension with a length L nearest to C  620 mm (24.5”)
2. Unscrew the pushrod end cap
3. Screw on the pushrod extension
4. Screw the pushrod end cap onto the pushrod extension.

C

D8812_1

L

Tiller Drive

15

Pushrod mounting
Cantilever socket

Use the cantilever socket if you need to attach the tiller drive to a vertical face (such as the
cockpit sidewall).

F

D8816_1

L

1.
2.
3.
4.
5.
6.

Use a hacksaw to cut the rod to length L = F  635 mm (25”).
Assemble the mounting ring, rod and socket.
With the drive horizontal mark the location of the mounting ring and its holes.
Drill three 6 mm (1/4”) diameter clearance holes at the marked positions.
Apply a thin coat of silicone sealant to the base of the mounting ring.
Use three 6 mm (1/4”) diameter bolts, nuts and washers to attach the mounting ring and
backing plate
7. Roughen the end of the rod and inside of the socket to provide a key. Then apply twopart
epoxy adhesive to the rod end and cap.
8. Place the cap over the rod end, making sure the hole faces upwards. Allow the adhesive
to harden fully before applying a load.
Note: When the autopilot is not in use, you can unscrew the complete rod assembly to leave the
cockpit unobstructed
Note:

16

Tiller Drive

Pedestal socket

Use the pedestal socket if you need to raise the height of the socket to keep the tiller drive
horizontal.

L

D8817_!

G

1. Select a socket assembly with a length L, nearest to G 38 mm (1.5”).
2. With the drive assembled, and the socket positioned 460 mm (24.5”) from the tiller axis
mark the location of the mounting ring and holes.
3. Drill three 6 mm (1/4”) diameter clearance holes at the marked positions.
4. Apply a thin coat of silicone sealant to the base of the mounting ring.
5. Use three 6 mm (1/4”) diameter bolts, nuts and washers to attach the mounting ring and
backing plate
Note: When the autopilot is not in use, you can unscrew the complete rod assembly to leave the
cockpit unobstructed
Note:

Tiller Drive

17

Tiller brackets
If the tiller is higher or lower than the mounting socket, you can use a tiller bracket to vary the
tiller pin height so the drive is horizontal.

D8813_1

D

D8814_1

E

1. If the drive is below the tiller; bracket size equals dimension D. If the drive is above the
tiller; bracket size equals dimension E  25 mm (1”).

18

Tiller Drive

2. Place the tiller bracket on the center line of the tiller (above or below) and establish the
correct position.
3. Mark the centers of the bracket mounting holes.
4. Drill two 6 mm (1/4”) diameter clearance holes through the center line of the tiller at the
positions marked.
5. Attach the tiller bracket using two 6 mm (1/4“) diameter bolts, nuts and washers.
6. Fix the bolts in position using twopart epoxy adhesive.
7. When the epoxy is completely hardened, fully tighten the nuts.

m
7m

(18

in)

45

D8815_2

90 degrees



---

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