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Installation Instructions
Installation Instructions
For technical assistance call Lenco Service Department: 772-288-2662
1. To begin, determine where the
Lenco Trim Tab Kit will be installed.
Note: When laying out the desired
tab location, hold the tab against
the transom with the bottom of the
hinge knuckle 3/8" (.95 cm) from the
bottom of the transom, approximately
1" to 4" (2.54 to 10.56 cm) in from
the chine, and in line with the hull.
When mounting the hinge to the hull
make sure that the inside corner of
the hinge knuckle is no closer than 2"
(5.08 cm) to the left or right of any
strake edge. The hinge may overlap
a strake edge as long as any corner
of the hinge knuckle is no closer than
2" (5.08 cm) to the left or right of
the strake edge. (see Fig.1). Transfer
(trace) the screw hole pattern onto the
transom for drilling, see step 2.
Note: Performance tabs should be
mounted with the tapered end facing
toward the center of the boat.

2. Using the 3/16" (.48 cm) drill bit, drill
the previously marked hole locations
to a depth of 1-1/4" (3.17 cm).
Note: When drilling out the screw hole
pattern for the trim tab hinge you may
drill through the transom, however the
screws when installed with 3M 5200
adhesive caulking will seal the holes.
All supplied screws and fasteners are
stainless steel. Do not use any other type
of alloy.
Mount the trim tab hinge to the
transom using provided #14 x 1-1/4"
(3.17 cm) stainless steel metal screws.
We recommend using 3M 5200
adhesive caulking to bed the hinge
and screws. DO NOT OVERTIGHTEN.
3. Attach the lower mounting bracket to
the tab with the bolts, washers, and
nylon lock nuts provided., Attach the
upper bracket to the actuator using
the 5/16-18 X 1-3/4" (4.45 cm) large
hex head bolt and 5/16-18 hex nut
provided. Attach the actuator to the
lower bracket using the 5/16-18 X
1-3/4" (4.45 cm) large hex head bolt
and 5/16-18 hex (.79) nut provided.
In order to properly position the upper
bracket against the transom, you must
lift the trim tab so that the trailing
edge is approximately 5/8" (1.59 cm)
(for a 9" trim tab) and 3/4" (1.9) (for a
12" trim tab) above the straight edge
when held to the hull (see Fig. 2).
When the trim tab is at the appropriate
level, transfer (trace) the outer shape
of the upper bracket onto the transom.
The upper bracket should be marked
where it lays naturally against the
transom to prevent binding during
travel. (Do not adjust the upper
bracket to the right or left, as this will
cause binding, instead just allow the
bracket to come to rest in its natural
position).
Remove the actuator from the lower
bracket. Remove the upper bracket
from the actuator and align to the
previously marked location to mark the
upper screw hole locations and cable
hole location. Using the 3/16" (.48 cm)
drill bit, drill the previously marked
screw hole locations to a depth of
1-1/4" (3.17 cm).
Note: When drilling out the screw hole
pattern for the trim tab hinge you may
drill through the transom, however the
screws when installed with 3M 5200
adhesive caulking will seal the holes
when installed. All supplied screws and
fasteners are stainless steel. Do not use
any other type of alloy.
4. Warning: With some installations,
fuel, water tanks and/orother systems
may prevent the actuator cable from
entering the hull through the upper
mounting bracket. Be sure to check
inside the hull before drilling the 3/8"
(.95 cm) cable hole.
If all is clear, Using the 3/8" (.95 cm)
Electric drill
Wire crimper/cutter
Tape measure
3/16" & 3/8" drill bits
(.48 & .95 cm)
7/16" (1.11 cm) wrench
Small hammer
4' (1.22 m) level
Straight edge
2" (5.08 cm) hole saw
#2 & #3 Phillips screwdrivers
3M 5200 adhesive caulking
5/8"
(1.59 cm)
14"
(35.56 cm)
max.
height
needed
for
actuator
3/8"
(.95 cm)
9"
(22.86 cm)
3/4"
(1.9 cm)
12"
(30.48 cm)
Fig. 2
Standard
Mount
3/4"
(1.9 cm)
1"
(2.54 cm)
12"
(30.48 cm)
11"
(27.94 cm)
max.
height
needed
for
actuator
13.5"
(34.29 cm)
max.
height
needed
for
actuator
in 9"
(22.86 cm
tab length)
3/8"
(.95 cm)
16"
(40.64 cm)
Fig. 2
Edge Mount
Fig. 3
drill bit., drill the previously marked cable
hole completely through the transom.
Insert the actuator cable through the
appropriate hole in the upper bracket
until it reaches the actuator. Insert the
actuator cable through the gland seal
until it reaches the upper bracket.
Continued on page 2.
3/8" (.95 cm)
up from bottom
edge of transom
1" to 4"
(2.54 to 10.16 cm)
in from chine
2"
(5.08 cm)
Strake
Edge
Fig. 1
Warning: The following instructions contain important safety
information and should be followed carefully. Failure to do so may
result in injury and will void warranty.
Please read through the instructions in their entirety prior to beginning installation!
Tools and maTerials lisT Installation Instructions, Continued
Please follow the instructions and drawings carefully.
Call the Lenco Service Department at 772-288-2662 for technical assistance.
4700 Municipal Court Stuart, Florida 34997 www.lencomarine.com
switch Template
Remove the template from the owners
manual by cutting around the dashed
rectangular perimeter line.
Align the 3/16" (.48 cm) drill bit with
each of the four black circles and drill
straight down through the helm,
providing clearance for the mounting
hardware provided with the switch.
Align the centering bit of a 2" (5.08
cm) hole saw with the cross hairs in
the center of the 2" (5.08 cm) dashed
circular perimeter and drill straight
down through the helm, providing
additional clearance for switch and
electrical connection.
2" (5.08 cm) hole for
Switch Key Pads
Tactile Switch Connection
Mount control box within 30"
(76.2) of keypad.
Control box wire harness is 30"
(76.2) length
Switch wiring
diagrams on page 3
Deutsch Connections
Deutsch Connections
Waterproof
Waterproof
Note: For appropriate orientation
of upper bracket and gland seal,
(see Fig 3).
Insert the actuator cable through the
transom. With the actuator loosely
supported, start the provided #14 x
1-1/4" (3.17 cm) stainless steel metal
screws through the upper bracket and
into the transom. MAKING SURE TO
LEAVE THE SCREWS ONLY PARTIALLY
INSTALLED.
Insert the actuator clevis (mounting
ear) into the top bracket and hold in
the approximate installed location.
Pass the actuator cable through the
transom removing slack on the cable
until it is snug. Remove the actuator
from the upper bracket and finish
installing the previously started #14 x
1-1/4" (3.17 cm) stainless steel metal
screws through the upper bracket
and into the transom. We recommend
using 3M 5200 adhesive caulking to
bed the upper bracket and screws.
DO NOT OVERTIGHTEN.
Attach the actuator to the upper
bracket using the 5/16-18 X 1 3/4"
(4.45 cm) large hex head bolt and
5/16-18 (.79 cm) hex nut provided.
If, however, you are prevented from
drilling a hole through the transom at
the bracket location, using the 3/8"
(.95 cm) drill bit, simply drill a 3/8" (.95
cm) hole 4" to 5" (10.16 to 12.7 cm)
above the waterline and insert the
cable. Cover the hole and cable with
a clamshell vent sealed with 3M 5200
for a waterproof and finished effect.
Assemble actuator connector ends
as instructed in Actuator Deutsch
Connector Instructions insert card
provided.
5. At the helm, determine where the
tactile switch will be installed, locate
the template on page 27 and secure
to helm, cut a circular opening using
a 2" (5.08 cm) hole saw. Before
cutting, make sure the area inside
the helm is clear of wires and other
equipment that could be damaged.
Using the template on page 35, drill
four 3/16" (.48 cm) holes through the
helm.
Secure the switch with the nylon nuts
provided. When mounting the black
control box, keep in mind that there
is a 30" (76.2cm) lead that attaches to
the back of the tactile switch. Make sure
control box is mounted on a vertical
surface with wires facing down toward
the deck.
6. Following the trim tab switch wiring
diagram, connect the actuators or the
actuator extension cables to the switch
control box. Be very careful of sharp
edges that may damage the cable.
Remember the left switch controls the
right starboard tab and the right switch
controls the left port tab. Note: In all cases,
make sure control box
is mounted with wires
facing down
toward deck.
# 15069-001 (124SSR)
# 15070-001 (123SC)
Note: In all cases,
make sure control box
is mounted with wires
facing down
toward deck.
Please follow the instructions and drawings carefully.
Call the Lenco Service Department at 772-288-2662 for technical assistance.
Dual Station and Dual Actuator wiring instructions can be downloaded
from our website www.lencomarine.com.
© Lenco Marine, Inc. 2007