System Installation
432-0012-01-12 Version 110 13
Standard JCU II Mounting Instructions
1. Using the JCU II template supplied as a guide, mark the
location of the rectangular opening that will allow the JCU II
to be recessed in the vessel’s control console. Ensure the
corners are marked precisely and cut square.
2. Apply the adhesive side of the rubber gasket to the back of
the JCU II on the surface that faces the mounting platform.
The JCU II comes with 4 panel mounting clamps that can be
reversed when the thickness of the panel material is less
than 7.9 mm (5/16 or 0.31 in); see instructions below.
Ensure the mounting clamps are rotated inward and are
recessed so the entire JCU II fits into the hole
3. Remove boots from both ends of the Ethernet cable, as it
may interfere with the coupling gland. The boot may cause
the RJ45 connector tab to depress, which can lead
to
intermittent connections.
4. Loosen or remove the cable gland nut on the JCU II, and insert the Ethernet cable RJ45
connector through the gland nut. Once the Ethernet cable is connected to the JCU II, replace
the gland nut and turn the nut 1/4 turn beyond hand tight.
5. Insert the JCU II into the hole and secure with the 4 corner screws. Rotate each screw one full
turn and ensure the mounting clamps are rotated outward from the JCU II housing. Tighten the
screws to draw the mounting clamps up against the mounting surface and then tighten another
quarter or half turn. Do not over tighten the screws.
Mounting the JCU II to a Thin Panel
As shipped from the factory, the JCU II can be mounted to
dash thicknesses ranging from 7.9 mm to 44.5 mm (0.31 in to
1.75 in). The clamps are set with the small foot on each clamp
facing away from the panel, as shown.
If you intend to mount the JCU II to a panel of 7.9 mm (0.31
in) thickness or less, remove the clamps from the mounting
screws, turn them around and thread them back onto each of
the four screws. The foot on each clamp now faces the panel
and allows the clamp to contact thinner panel surfaces while
still allowing for proper compression of the JCU II mounting
gasket to form a watertight seal.
Mounting the JCU II Key Pad Front Cover
Note: The JCU II is shipped without the front cover installed.
The face of the JCU II has an adhesive layer, covered by a
removable film, to secure the front cover after the JCU II is installed in its final location.
Joystick Control Unit - Back
Panel thickness
up to 44.5 mm
Foot
Panel thickness
less than 7.9 mm
Foot
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