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Installation Instructions for Dual Acting XPT System
Actuators must be installed perpendicular to the trim tabs and parallel to each other. Stainless steel is not flexible.
BE CAREFUL NOT TO ROTATE THE ACTUATOR SHAFT — ROTATING THE SHAFT WILL DAMAGE THE INTERNAL SENSOR.
THIS SYSTEM MUST BE PROTECTED FROM ELECTROLYSIS AND GALVANIC CORROSION —
To provide protection from electrolytic corrosion a zinc anode must be applied to each tab. In the case of tabs installed on
the boat as original equipment by the builder, a bonding system may be utilized for your particular model. The XPT system
top portion of the actuator and the actuator shaft are electrically isolated from each other. Therefore the trim plane and the
upper part of the actuator must be individually protected or integrated into a bonding system.
FOR SINGLE ACTUATOR SYSTEMS
The actuator with the red sensor wire installs on the port side of the boat, and the actuator with the green sensor wire on the starboard
side of the boat. This also applies to dual actuator systems with two actuators per tab - one with sensor and one without.
Step 1: Positioning Tabs
Position the backing plate against the transom and, while supporting the trim plane from below, check to see that
the upper mounts of the hydraulic actuators do not center on an inside obstruction. If they do, reposition tabs slightly
outboard. The further outboard the tabs are mounted, the greater the lateral (side-to-side) control. Position tabs 3"-4"
(8-10 cm) from the chine and run towards the centerline of the boat. (See Figure 1)
READ THIS FIRST BEFORE BEGINNING INSTALLATION
IMPORTANT FOR ACTUATOR INSTALLATION ON ALL BOATS
Measurements have to be precise.
IMPORTANT: FOR BOATS KEPT IN SEAWATER
THIS DAMAGE IS NOT COVERED UNDER WARRANTY
NOTE: NOT INTENDED FOR RACING BOATS
(1 ACTUATOR PER SIDE)
Support Tab from Below
Figure 1
OR DUAL ACTUATOR SYSTEMS
Upper Mount Area
(2 ACTUATORS PER SIDE)
3
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