Linear Rudder Position Sensor - Installation; Introduction; Mounting - Raymarine 150/400 Installation Manual

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5.2 Linear rudder position sensor - installation

Introduction

The linear rudder position sensor (part number: M81188) is designed
for 'bullhorn' style hydraulic outboard steering systems. It is totally
weatherproof and designed to be mounted on the bullhorn ram.
Note: You must use the linear rudder position sensor on all hydraulic
outboard installations.
Linear rudder position sensor - dimensions

Mounting

1. Use the steering system to position the bullhorn ram amidships.
2. If necessary, release the hydraulic pressure from the boat's
Note: Contact your steering gear manufacture for advice on this step,
and follow their instructions for releasing the hydraulic pressure.
3. Loosen the starboard bolt that secures the bullhorn ram's shaft to
4. Fit the U-bracket (supplied) over the end bracket and the bullhorn
5. Hand tighten the starboard bolt to hold the U-bracket in place.
6. Fully open the hose clamps (supplied) using a flat bladed
7. Place the spacers (supplied) on the bullhorn ram and use adhesive
8. Pull out the rudder sensor's shaft until its alignment mark is level
9. Position the rudder sensor against the spacers so the threaded rod
Type 150/400 Autopilot System: Installation Guide
hydraulic steering system
the end bracket.
ram's shaft.
screwdriver, then hang them over the bullhorn ram.
tape to secure them temporarily.
with the end of the barrel.
end of its shaft passes through the U-bracket.
425 mm (16.75 in)
32 mm
(1.3 in)
D5389-1