Installation Instructions for
Models 19853/19854/19873/19874
“Gull Wing Step” Boarding Ladders
Form 12.539
Rev. A
ASSEMBLY INSTRUCTIONS
1. Check parts against parts list.
2. Read instructions completely before starting assembly.
3. Note: Some hardware mounting is required. Therefore, a power
drill, drill bits, wrench or screwdriver is required, depending on
the type of mounting bolts and screws used.
4. Mounting bolts and screws are not supplied with ladder due to the
wide variety of mounting surfaces.
REQUIRED HARDWARE
NOTE: The following parts are not included due to the variety of
possible installations.
4 Suitable length 5/16"-18 stainless steel bolts
NOTE: Bolts should be at least 1-1/4" longer than transom
and backing plate thickness.
4 Suitable stainless steel backing washers
4 5/16"-18 stainless steel lock nuts
- Marine adhesive/sealant and anti-seize compound
- Backing plate (minimum size 4" x 5-1/2") of suitable material
MOUNTING INSTRUCTIONS – 99195 QUICK RELEASE
Refer to Fig. 1
1. Choose the most suitable side of transom for mounting ladder.
2. Locate a place on the transom where the ladder will mount and
not interfere with the turning and lowering operation of your
motor. Determine the actual waterline when the boat is at rest.
Mark this location in both the horizontal and vertical direction.
3. Locate the ladder on this mark and slide it up to the desired
mounting height. Keep in mind that it is optimal to have at least
two steps in the water for ease of boarding. Mark the ladder’s
position at the top of the swivel flange (Fig. 3). NOTE: This line
will locate the top two holes for the mounting plate.
4. Check the inside of the transom where the mounting is proposed.
Verify that there is ample space to install a backing plate
(minimum size 4" x 5-1/2") that will support the ladder
installation. A 4" x 5-1/2" minimum flat area or the size of your
backing plate is required for a secure installation. NOTE: The
backing plate should be made of either aluminum, marine
plywood or some other suitable non-compressive material.
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Phone: 651-459-9795
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1/05
Parts List
Model 19853/19854/19873/19874 Sport/Diver Ladders
Ref. Factory No.
Letter Part No. Req. Description
A 06.347 1 Mounting Substrate
B 08.280 1 Face Plate
C 03.653 1 Clevis Pin
D 03.654 1 Lanyard
Ladders position at top mounting bolt
Ladder centerline
Waterline
Ladder does not
interfere with turning
2 steps below
waterline
FIG. 1
5. Mark four mounting plate hole locations on your transom or
transom extension bracket using the plate as your template.
NOTE: This ladder has an adjustable feature that may
accommodate the desired angle; if not, it may be necessary to
make an external shim or modify the mounting substrate to
achieve the proper ascent angle (5 to 10 degrees) for your
ladder. Drill one 11/32" or 3/8" hole through your transom,
noting the angle of the mounting substrate hole angle. These
holes are perpendicular to the mounting face plate, not the
transom. When drilling, this hole angle should be used to insure
a proper installation. Place the mounting substrate and
faceplate against the boat and loosely mount it with the
hardware that you have selected for proper installation.
6. Level the bracket, mark and drill the next hole. Check the ladder
for level, make adjustments if necessary and then, drill the other
two holes.
7. Put a bead of adhesive caulk around the perimeter of the
mounting holes and all edges of the mounting substrate, coat the
bolt threads with anti-seize compound and secure the mounting
substrate in place by tightening all four mounting bolts.
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