Taco Marine Grand Slam 280 Datasheet

GS-280 / 2801 Outrigger Mount
INSTALLATION INSTRUCTION GUIDE
TACO Marine® Grand Slam Mounts
®

2 / GS-280 / 2801 OUTRIGGER MOUNT
Grand Slam 280 mounts or
Grand Slam 2801 mounts
KIT CONTENTS
GS-280/2801
Handy Tips
Vinyl tubing spacers
2
8
•POWER DRILL WITH 5/16" DRILL BIT
•3/16" ALLEN WRENCH
•1/2" CRESCENT WRENCH
•MARINE-GRADE SEALANT
•MARINE-GRADE GREASE OR ANTI-SEIZE
•VINYL SPACERS
Required*
*not included
®
85/16" x 18" hex nuts
5/16" x 18" x 1" bolts*
8
4Hex bolt for rotator handle
Nylon washers &
stainless washers
8
Rotator Handles
8
* Because of various boat brand's top
thickness, different length fasteners
may be required.

GS-280 / 2801 OUTRIGGER MOUNT / 3
GS-280/2801
• Backing plates are available for extra strength and
recommended when mounting through a hardtop
(part #BP150BSY-320-1).
• When installing your Grand Slam, locate the center
of the 3-1/8" hole at least 9-1/2" from the hardtop
frame, vertical post, or any other object that might
hinder the movement of the handle.
• If the top has an arch to it, wedge plates can be
ordered to keep the Grand Slams upright and
straight (part #WP-150WHA-1).
• The GS-280 and GS-2801 mounts are a pair of Port
and Starboard units. When installing, the upward
rotation knob needs to face outboard for easy
access.
• When installing the handle, make sure it first goes
through the larger hole (the one that is shaped like
the opening of a doghouse). If reversed, the unit
will fail to rotate.
Thank you for purchasing the TACO Marine Grand Slam 280 or 2801 Outrigger
Mount! As a family-owned and operated business since 1959, we take pride in
oering the highest-quality, innovative products with excellent customer service.
We stand behind our products 100 percent. If you have any questions about this
mount or installation, please contact us by visiting tacomarine.com/contactus.
INSTALLATION NOTES
CANVAS TOP
• It is very important that your mounting surface for the Grand Slam (i.e., T-top,
Arch or Hardtop), be suitably constructed to provide a strong mounting area for
your outrigger base. It is recommended to use TACO Marine’s weld-on Grand
Slam extrusion plates (sold separately) [GSE-1939].
• These plates are pre-drilled and ready to install the Grand Slam. If you already
have a plate, it should be at least 3/8" thick and 5" wide, with 3-4 welded seams
to be used to accommodate the 6" length of the units' base from bow to stern.
• When installing the Grand Slam through canvas, simply cut an X over the 3-1/8"
hole. Install and bolt down the Grand Slam, then trim o the excess canvas.
HARDTOP
When installing through a hardtop, verify the top is foam or core filled. It is
recommended to use included spacers (small lengths of tubing cut to size) to fit
inside where the mounting bolts pass through to ensure that when the bolts are
tightened the top is not compressed.

4 / GS-280 / 2801 OUTRIGGER MOUNT
1. If you have a foam or core-filled hardtop make sure its thickness does not exceed 3".
2. The starting, or at-rest position of the outrigger is facing aft. The handles of the Grand Slam
are set in the same position at the factory. If you require a dierent handle starting position,
instructions on how to change them are in steps 13-17.
3. Select the mounting location of the Grand Slam mount, keeping in mind that the center of
the 3-1/8" hole on the Grand Slam must be a minimum of 9-1/2" away from any object in the
direction the handle will rotate from the starting position you choose.
4. After determining the proper location for the 3-1/8" hole mark the center of the hole and
either drill up from underneath the hardtop with a 3-1/8" hole saw, or drill a small hole
through the hardtop and then drill down with the 3-1/8" hole saw.
5. Insert the Grand Slam unit into the hole with the outrigger arm laying down in the horizontal
position facing aft. You want to make sure that the base is straight before drilling the four (4)
mounting holes. It is easier to tell if the base is straight if you place an outrigger in the tube
and have someone observe it from the stern.
6. Mark the hardtop through each of the four (4) mounting holes on both units, then remove
the units to drill the mounting holes.
7. For a solid fiberglass hardtop, drill each hole with a 5/16" drill bit.
8. Put a bead of silicone on the underside of the footprint of the Grand Slam units around the
lower body and around each mounting hole and insert them into the 3-1/8" holes.
9. Install the four (4) mounting bolts through the Grand Slams, through the hardtop and
through the backing plate on the underside of the hardtop, install the washers and nuts and
tighten the nuts while someone holds the screws with an Allen wrench.
10. For a soft-core or hollow-core hardtop, drill each hole with a 7/16" drill bit. Measure the
thickness of the hardtop and, if needed, cut optional spacers (not included) to the necessary
length. See Figure 1.
11. Put marine-grade sealant on the underside of the footprint of the Grand Slam units around
the lower body and each of the mounting holes and insert the GrandSlams into the 3-1/8"
hole.
INSTALLATION
Always use high-quality, stainless-steel hardware when mounting
the base. Do not attempt to weld the base to any surface.
HARDTOP

HardTop
5/16 x 18 Bolt (B)
Stainless Steel Washer (E)
5/16” x 18 Hex Nut (C)
Plastic Washer (D)
Backing Plate (not included)
Stainless Steel Washer (E)
Hex Bolt (F)
Hex Bolt (F)
Spacer Tube (not included)
Rotator Handle (A)
GS-280 / 2801 OUTRIGGER MOUNT / 5
12. Install the four (4) mounting bolts through the Grand Slams, then, if included, slide the
spacers up from the underside. Next, install the backing plate, washers and nuts and tighten
the nuts firmly, but do not overtighten. Spacers should prevent you from compressing the
hardtop.
13. To change the position of the handle remove the two (2) hex head screws from the handle
with an Allen wrench and pull the handle out.
Note: you can get to the top screw easier if you pull down on the handle and move it so it
is in-between positions.
14. Pull o the plastic logo cap and up inside the unit you will see a bolt head. With a ratchet,
extension and a 9/16" socket, loosen the bolt counter clockwise five (5) complete turns.
15. Insert the handle but do not screw it in. Above the hardtop the adjusting knob should be
facing outboard. If the knob is inboard, fl ip the outrigger holder arm over to the other
horizontal position, then pull down on the handle and rotate it until the outrigger holder on
top is facing aft.
16. Someone else should stand on the gunwale and pull up on the outrigger holder and hold it
steady while the person below rotates the handle to the desired starting position.
17. Now re-install the hex head screws and plastic cap. The installation now complete.
FIGURE 1

6 / GS-280 / 2801 OUTRIGGER MOUNT
1. To find the proper location of the mounting plate keep in mind that the handle of the GS-280
and 2801 requires 9-1/2" of clearance from the center of the 3-1/8" hole in order to rotate the
outrigger 90º from facing aft to the outboard position. The handle positions can be changed
on this model.
2. If you are going to weld your own mounting plates to the frame, unlace the canvas and
remove any wires that may be inside the tubing of the brace bars and the T-Top frame where
you are going to weld. If you are using one of our weld-on or clamp-on plates, steps 3 and 4
have been done for you. If you are using our clamp-on plate it is not necessary to unlace the
canvas.
3. If you are having plates made, they should be 3/8" thick by 5" wide and long enough to fit
between the brace bars. When drilling the holes, it is best to cut the 3-1/8" hole and drop the
GS-280 into the hole and mark the location of the four (4) mounting holes right through the
holes in the unit. When determining where to place the 3-1/8" hole in the plate, refer to step 1.
4. Weld the plates to the frame and brace bars. The mounting plates should be welded on three
(3) sides.
5. Reinstall the lacing on the canvas.
6. With a razor knife, cut an X in the center of the canvas through the 3-1/8" holes in both of the
aluminum mounting plates. Then cut each of those triangular pieces in half so you now have
eight (8) flaps of canvas going down through the hole in the plate.
7. The Grand Slam pair come with the outrigger tube facing the same direction as the hole for
the handle. If this is the handle position you want, one of the units will be ready to drop right
in with the upper adjusting knob facing outboard and the outrigger tube facing aft along
with the handle opening you will need to install into.
8. On the underside of the Grand Slam put a bead of Silicone around all (five) 5 holes of the
unit and place on top of the canvas directly over the holes in the plate, insert the bolts and
tighten with a 3/16" Allen wrench and reinstall the handle.
9. Re-install the handle but do not screw it in. Pull down on the handle and rotate it until the
outrigger holder on top is facing aft with the adjusting knob facing outboard. You may have
to flip the outrigger holder over to the other horizontal position to accomplish this.
10. Someone else should stand on the gunwale, and pull up on the outrigger holder. The person
below can now rotate the handle to any desired position. If the handle does not rotate, pull
the handle out and loosen the bolt one more complete turn and try again.
11. Now re-install the hex head screws and plastic cap and the installation is complete.
INSTALLATION
SOFT TOP
OPTIONAL BACKING PLATE
GSE-1939BXY30-1
NOTE:
Place bead of marine-grade sealant around
hole in mounting plate.

GS-280 / 2801 OUTRIGGER MOUNT / 7
TECHNICAL SPECS
HardTop
5/16 x 18 Bolt (B)
Stainless Steel Washer (E)
5/16” x 18 Hex Nut (C)
Plastic Washer (D)
Backing Plate (not included)
Stainless Steel Washer (E)
Hex Bolt (F)
Hex Bolt (F)
Spacer Tube (not included)
Rotator Handle (A)
Figure 1 (A) Knob should face
port or starboard
BOWBOW
Top Mount Orientation
Mount orientation on top with
locking pin facing outboard

8 / GS-280 / 2801 OUTRIGGER MOUNT
• Remove the two hex head screws from the handle with an Allen wrench
• Remove the handle
• NOTE: you can get to the top screw easier if you pull down on the handle and
move it so it is in-between positions
• Pull o the plastic logo cap on the bottom of the unit
• Inside the unit there is a bolt head
• Use a ratchet, extension and a 9/16" socket
• Tighten the bolt clockwise about five turns
NOTE - Add a small amount of red Loctite to the threads of the bolt as well
• Once tightened,
• Reinstall the cap,
• Reinstall the rotation handle using the same screws that were removed
LOOSENING BASE
MAINTENANCE
If the 9/16" bolt on your GS-280 or GS-2801 loosens, please
follow these steps to tighten the base.

GS-280 / 2801 OUTRIGGER MOUNT / 9
When fishing with the Grand Slam 280 or 2801, easily raise and lower outrigger poles
by turning the knob on the outboard side of each mount, which will loosen for manual
adjustment and then tighten to secure the outrigger position. For going under bridges,
trailering or storage, we recommend lowering the outriggers to ensure they don't get
damaged.
How to use
How to clean
Mild dish washing liquid, specialty marine cleaners:
Sea Safe Boat Wash, Boat Wash Concentrate
and Super Suds.
Safe marine lubricants:
CRC Corrosion Inhibitor, Corrosion Block
and Get Some Extreme.
Bleach (Clorox, etc.) and mild abrasive cleaners:
Ajax, Comet, Soft Scrub, Rubbing Compounds, etc.
Strong cleaners:
409, Engine Degreasers, etc.
Acids of any type:
Such as Muriatic, naval jelly or aluminum acid.
Always use a mild, non-abrasive soap and fresh water. Thoroughly wash the aluminum
with a soft towel or sponge to remove dried salt crystals and other contaminants.
Rinse completely with fresh water.
Safe Cleaners Harmful Cleaners

10 / GS-280 / 2801 OUTRIGGER MOUNT
Need Support?
1.800.653.8568
[e-mail]
tacomarine.com
50 NE 179th ST
Miami, FL. 33162
@tacomarine
@taco_marine
TACO Marine®
Contact Us
We’re here to help.

Please print at 100 percent for accurate sizing. Slight scaling may still
occur. Therefore, before drilling, it is recommended that all template
dimensions be measured for accuracy.
GS-280 / 2801 OUTRIGGER MOUNT / 11
GS-280/2801
Drill Template
GS-280/2801 Drill TemplaTe
TACO Marine®

®
INSTRUCT-GRANDSLAM280