Weeders Digest Lake Groomer User manual

OperatOr’s Manual
www.lakegroomer.com
P/N 4026288

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GENERAL INFORMATION
© 2017 by Lake Groomer. All rights reserved
This manual may not be reproduced, photocopied, copied, duplicated or translated
without prior written consent from Lake Groomer.
Using this product in methods not intented by Lake Groomer are strictly prohibited
without prior written permission from Lake Groomer.
CONSULT YOUR STATE AND LOCAL AUTHORITIES FOR WEED REMOVAL
REGULATIONS. REGULATIONS VARY FROM STATE TO STATE.
To prevent the risk of spreading aquatic invasive species, consult your state and
local regulations before relocating or transporting the Lake Groomer between public
bodies of water.
General Product Information:
Lake Groomer
474 45th Street South
Fargo, ND 58103
Monday - Friday | 8:00 am through 5:00 pm (CST)
701-234-0476
701-232-6666 (Fax)
[e-mail]
www.lakegroomer.com
We welcome feedback on our product, accessories and this manual. Feel free to
contact us regarding any questions, comments or suggestions!
Lake Groomer is a division of Eastside Machine Company, Fargo, ND.

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GENERAL INFORMATION
REVISION LOG
Updated Version of Manual ............................................................November 2017 v 1.1
Original Version of Manual ...................................................................... April 2015 v 1.0
TABLE OF CONTENTS
SECTION 1 - INTRODUCTION
Serial Number...........................................................................................................4
Getting to KnowYour Lake Groomer ......................................................................4
SECTION 2 - TERMINOLOGY
Terms .........................................................................................................................6
SECTION 3 - WARRANTY
Product Registration.................................................................................................7
Warranty ....................................................................................................................7
SECTION 4 - SAFETY INFORMATION
Electrical Safety ........................................................................................................9
Operational Safety....................................................................................................9
Safety Decals........................................................................................................... 11
SECTION 5 - ASSEMBLY & SETUP
Box Contents ..........................................................................................................12
Before Operating ....................................................................................................12
Becoming Familiar with Lake Groomer’s Movement and Controls ...................13
Sensor Clearance....................................................................................................13
Choosing the Best Dock Mount Position .............................................................. 14
Preparing the Rollers..............................................................................................15
Installing Lake Groomer.........................................................................................15
SettingTravel Limits................................................................................................ 19
SECTION 6 - EXTRA FEATURES
Dealing with Muck ..................................................................................................20
Setting the Cycles to Run .......................................................................................20
Increasing/Decreasing the Load Percentage ........................................................21
SECTION 7 - MAINTENANCE & STORAGE
Regular Maintenance .............................................................................................22
Off-Season Storage ................................................................................................22
SECTION 8 - PARTS
Rollers (Tube with Fins Assembly) ........................................................................23
Lower Drive Assembly ...........................................................................................24
Upper Drive Assembly ...........................................................................................26
Detaching the Drive Head ......................................................................................27
SECTION 9 - OPTIONS
Dockless Anchor Kit ................................................................................................28
Roller Assembly ......................................................................................................28
Mud Kit ....................................................................................................................29
Extension Kit ...........................................................................................................29
Roller Connect Plate Kit..........................................................................................30
SECTION 10 - “POWER SHARE” PROGRAM
“Power Share” Program ........................................................................................31

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INTRODUCTION
SERIAL NUMBER
It is important to provide your serial number to an authorized dealer when
requesting service, ordering parts or requesting any other information. Locate
the serial number using the figure below and document the number in the space
provided.
GETTING TO KNOW YOUR LAKE GROOMER
Congratulations on your Lake Groomer purchase.The Lake Groomer is designed,
manufactured and tested to be environmentally friendly. Since Lake Groomer is
chemical-free, it is the optimal choice for the health and enjoyment of your family,
friends and neighbors, as well as the plants and animals who depend on local water
supplies.
Initially, you will want to run Lake Groomer continuously, any time the lake front is
not in use. After the first three to seven days, once existing weed growth has been
removed, it will only need to be cycled 1-5 hours per week.
Please read and understand this manual before operating the Lake Groomer. This
document is intended to provide you with all the information necessary to setup and
operate your Lake Groomer. Minimal tools are required for an efficient set up.
It is necessary to inspect, maintain and monitor your Lake Groomer to ensure it is
operating as intended.The following pages provide you with information to assist in
the installation, operation, warranty, maintenance and service of this equipment.
RECORD YOUR SERIAL NUMBER HERE
SERIAL NUMBER
LOCATED HERE
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INTRODUCTION
LAKE GROOMER & EcOSYSTEM HEALTH
Some states and localities have different regulations that may involve a permit
process regarding if and where you can install Lake Groomer. It is recommended
that you check your state and local weed removal regulations before purchasing a
Lake Groomer.
Additionally, some states and localities have special rules to govern the use of
products like Lake Groomer during spawning season. Work with your local Natural
Resources or Fisheries and Wildlife authorities to determine when this occurs and
what actions should be taken to be a good steward of your body of water.
To prevent the spread of aquatic invasive species, it is important to consult state
and local regulations regarding transporting and installing Lake Groomer between
bodies of water.
Legal restrictions pertaining to the use of Lake Groomer may be because of federal,
state, county or city governments or municipalities, lake associations, or private
access lakes. Always comply with local requirements when using Lake Groomer.
TELL YOUR NEIGHBORS
Your neighbors may have questions about your Lake Groomer and whether it will
negatively affect their property or lake front. We recommend that you talk with them
before installing Lake Groomer to explain how it works and to reassure them that it
will not cause any harm to water quality or lake life.
In areas where muck exists, sediment will be stirred and may temporarily cloud the
water. Normal wind and wave patterns will clear the area quickly.
Your neighbors may be interested in learning about Lake Groomer’s unique “Power
Share” program. Lake Groomer can be purchased without the upper drive unit,
which allows two to three neighbors to easily move one power unit to different
roller installations, making the Lake Groomer an even better investment for all.
DEALING WITH UpROOTED WEEDS
When you first begin using Lake Groomer, uprooted vegetation will float to the
surface. It is important that you gather these weeds and fragments and ensure their
proper disposal. Failure to collect uprooted vegetation may cause the weeds to float
away and re-root elsewhere.The cleanup and safe disposal of weeds is required by
many natural resource departments.
After the first several days, once the area has been cleared, it is usually not
necessary to continue gathering weeds. Keep in mind that this year’s weeds
decompose and become next year’s muck, so removing these weeds will also
improve muck issues.
Remember, do not enter the water while Lake Groomer is operating!
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TERMINOLOGy
TERMS
LOWER DRIVE ASSEMBLY
Consists of the lower drive weldment, gearbox, communication tube, anchor tube
and base foot pad.
DRIVE HEAD ASSEMBLY
Consists of the motor, drive, GFCI plug, directional sensors and travel adjustment
pucks.
ROLLERS (TUBE WITH FINS ASSEMBLY)
Consists of the main roller tubes and fins to agitate the lake bed.
DIRECTIONAL SENSORS
Consists of sensors with LED indicators.These sensors, along with the directional
pucks (described below) are used to change the direction of the rollers.
DIRECTIONAL PUCKS
Consists of an upper and lower puck.The upper puck controls the clockwise direction
and the lower puck controls the counterclockwise direction.Thumb screws are used
to lock the pucks at the desired angle to limit the path of travel.
TOGGLE SWITCH
Consists of a switch located on the drive head assembly.Toggling the switch will
engage the rollers to start traveling.Toggling the switch off and on again will cause
Lake Groomer to switch direction; this is useful when setting the limits of the roller
tubes.
AUGER TUBE ASSEMBLY
Consists of auger tube with lake bed auger at one end and tube drive at the other.
Used to anchor Lake Groomer into the ground. Use a 1/2 inch drive ratchet or speed
wrench to turn the auger tube assembly into the ground.
GEARBOX
Consists of gears that drive and reverse the rollers.
MOTOR
Drives the gearbox.
DRIVE
Regulates the motor and coordinates with the toggle switch to engage the Lake
Groomer.
DRIVE COUPLER WELDMENT
Connects drive assembly to the rollers (tube assemblies).
COUPLER TUBE
Consists of tubes that connect the rollers to one another and to the lower drive
assembly.
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PRODUCT REGISTRATION & WARRANTy
pRODUcT REGISTRATION & WARRANTY AcTIvATION
To properly activate your warranty and register your Lake Groomer contact Lake
Groomer at 701-234-0476 or visit lakegroomer.com/product-registration
NOTE: Complete your product registry within 30 days of purchase or your warranty
will be void.
We recommend attaching your original purchase receipt to this manual. Record your
original purchase date and product registration completion dates below.
PURCHASE DATE PRODUCT REGISTRATION DATE
________________________________________________
MONTH DAY YEAR
________________________________________________
MONTH DAY YEAR
LIMITED WARRANTY
Eastside Machine Company warrants to the original owner each new Lake Groomer
product to be free from defects in material and workmanship, under normal use
and service.The product is warranted to the original owner and from the date
of purchase according to the completed warranty registration on file at Eastside
Machine Company.
In the event of a failure, return the product (at your cost) along with proof of
purchase, to the selling Lake Groomer dealer. Eastside Machine Company will, at its
option, repair or replace any parts found to be defective in material or workmanship.
Warranty on any repairs will not extend beyond the product warranty.
Repair or attempted repair by anyone other than an Eastside dealer, as well as
subsequent failure or damage that may occur as a result of that work, will not be
paid under this warranty. Eastside does not warrant replacement components
manufactured by or sold other vendors.
• Warranty length is for 3 years or 12,000 cycles, whichever is greater.
• Warranty applies only to parts or components that are defective in material or
workmanship.
• Warranty does not cover normal wear items.
• Warranty does not cover roller installations longer than 35 feet (5 rollers).
• Warranty does not cover depreciation or damage due to misuse, negligence,
accident or improper maintenance.
• Warranty does not cover normal maintenance, service or adjustments.
• Warranty does not cover damage due to improper setup, installation or
adjustment.
• Warranty does not cover damage due to unauthorized modification to this
product.
• Warranty does not cover act of God damage or other environmental
catastrophes.
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3WARRANTy
Eastside Machine Company is not liable for any property damage, personal injury
or death resulting from the unauthorized modification or alteration to this product
or the owner’s failure to assemble, install, maintain or operate this product in
accordance with the provisions of the owner’s manual.
Eastside Machine Company is not liable for indirect, incidental or consequential
damages or injuries including, but not limited to, loss of profits, rental or substitute
equipment or other personal or commercial loss.
Eastside Machine Company makes no warranties, representations or promised,
expressed or implied as to the performance of this product other than those set
forth in this warranty. Neither the dealer nor any other person has any authority to
make any representations, warranties or promises on behalf of Eastside or to modify
the terms or limitations of this warranty in any way. Eastside, at its discretion, may
periodically offer limited, written enhancement to this warranty.
Eastside Machine Company reserves the right to change the design and/or
specifications of the Lake Groomer at any time without obligation to previous
purchasers.

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SAFETy INFORMATION
ELEcTRIcAL SAFETY
Water and electricity can be an extreme electrical hazard.To prevent electrocution,
follow these recommendations and always be extra cautious when working around
water with power cords and components.
• Only use an outdoor-rated 12-gauge power cord. It is very important to use a
tested GFCI (Ground Fault Circuit Interrupter) as the source for your 110V power
to the Lake Groomer. Failure to follow this instruction will put you at risk for
electrocution.
• Use of a power cord longer than 100 feet is not recommended.
• Always inspect your power cord before use. It is important that there are no
cracks, breaks or cuts in the insulation. Make sure grounding lug and connectors
are intact.
• Use a designated 15-amp circuit; too many items plugged into the same circuit
may cause the GFCI to false trip.
• Keep power cords out of the water. We recommend using zip ties to attach
the cord to the underside of your dock so it doesn’t fall into the water, cause a
tripping hazard or get stepped on.
• Disconnect power cord before servicing, adding options, when not in use and
before entering the water.
OpERATIONAL SAFETY
The Lake Groomer is capable of clearing a 21-foot radius with the standard setup.
It is recommended that any known and visible obstructions be removed prior to
operating.This will eliminate the need to deal with the obstructions after the Lake
Groomer is operating.
• Read and understand this manual. Be completely familiar with the controls and
proper use of Lake Groomer before installing.
• Do not allow children to operate this equipment.
• Do not enter the water or allow others to enter the water when Lake Groomer is
operating.
• Do not allow swimmers or pets to stand on, dive from or swim near the Lake
Groomer.
• When Lake Groomer is not in use, park the rollers near the dock or lifts or in
another position where it is not likely to come into contact with people.
• Do not reposition Lake Groomer when it is operating. Unplug at the source and
make sure all moving parts have come to a stop before repositioning.
WARNING
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4SAFETy INFORMATION
• Avoid wearing loose-fitting clothing or clothing with ties or drawstrings while
operating or servicing your Lake Groomer as they may become entangled with
the Lake Groomer unit.
• Never run Lake Groomer without the cover in place.To prevent damage to the
electrical components, do not leave the cover off.
• Always disconnect the power cord before servicing Lake Groomer or entering
the water. Note that there is a 3-second delay after the power source has been
removed. Make sure all moving parts have come to a complete stop when the
unit has powered down.
• If Lake Groomer has stalled, hit a foreign object, is vibrating or making an
unusual noise, disconnect the power. After confirming power has been
disconnected and moving parts have stopped:
Check for any loose or damaged parts
Remove any obstructions
Replace and/or repair damaged parts
• Periodically inspect the Lake Groomer to ensure it is operating as intended.
Check the rollers and coupler joints and tighten hardware as needed to prevent
any damage from loose hardware.
• Do not operate Lake Groomer in water depths greater than the recommended
4 1/2-foot depth. If your water depth is greater than 4 1/2 feet, extension kits are
available to operate your Lake Groomer safely and prevent any damage to the
unit.
• Lake Groomer is equipped with an automatic reset GFCI plug. If Lake Groomer
fails to power up, unplug the power cord and inspect the cord for damage.
Check to ensure the GFCI at the 110V source has not tripped. Check that the
circuit is not overloaded; Lake Groomer should have its own designated circuit,
and plugging too many items into the 110V source may cause false trips.

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SAFETy INFORMATION 4
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SAFETY DEcALS
Read and understand the safety decals.The information on the decals will inform
you of hazards to avoid and keep you safe around the Lake Groomer. Replace
damaged or illegible decals and place them in the same location.
919083 - WARNING DECAL
919084 - CAUTION DECAL
919085 - CAUTION DECAL
919082 - MOTION DECAL

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ASSEMBLy & SETUP
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BOX cONTENTS
The Lake Groomer comes partially assembled in three separate boxes.
BOX ITEM # ITEM QTY
BOX 1 700101 Drive Unit Assembly 1
700110 Lake Groomer Operator’s Manual 1
702012 Dock Bracket 1
702013 Dock Connection Bracket 1
702015 2” Square U-Bolt 5/16-18 x 4.00 1
702016 2" Round U-Bolt 5/16-18 x 4.00 1
709001 Drive Coupler Weldment 1
910302 5/16" Nylock Nut 7
911314 5/16 x 3-3/4 ZP Cap Screw 1
913458 5/16-18 x 1.00 Carriage Bolt 6
BOX 2 700103 CouplerTube 3
700106 Roller (Tube with Fins) Assembly 2
709001 Drive Coupler Weldment 5
910609 1/2” Centerlock Hex Nut 6
911300 5/16" x 3/4" Cap Screw 20
911609 1/2” x 3-3/4” Cap Screw 6
BOX 3 700106 Roller (Tube with Fins) Assembly 1
BEFORE OpERATING
Before beginning assembly, inspect the location where you plan to install the Lake
Groomer. Clear any known obstacles or hazards like rocks, stumps, roots, branches,
posts, litter, etc.
If applicable, start with an area with the least amount of muck and extend the path
of travel as muck is cleared. For more information on dealing with mucky conditions,
read “Dealing with Muck” on page 20 before continuing on; it may affect how you
assemble your Lake Groomer.
A remote mounting kit is available if you choose not to dock mount the Lake
Groomer, and a mud paddle is available if your location has a mucky lake bottom.
Contact your dealer or visit www.lakegroomer.com for these add-ons.
Using the chart above, check to make sure that all items have been included with
your shipment. If you find that any items are missing, contact Eastside Machine
Company using the contact info on page 2.

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BEcOMING FAMILIAR WITH LAKE GROOMER’S MOvEMENT & cONTROLS
Before you begin assembling your Lake Groomer, we recommend that you
familiarize yourself with the movement and controls. (Refer to Figure 1 on pg 14).
1. Remove the drive unit assembly from box one and attach a power cord.
2. Preparing to set the limits of travel:
• Remove drive unit cover and locate the two directional pucks located
near the sensors on the drive head.The upper puck controls the clockwise
direction and the lower puck controls the counterclockwise direction.
• The directional pucks have a machined-off notch that causes the sensors to
drop off and the indicator light to go out, signaling Lake Groomer to change
directions.
• Thumb screws are used to lock the pucks at the desired angle to limit the
path of travel.
• See next section for information on testing and adjust the sensors.
3. On the drive head assembly, locate the toggle switch. Toggling the switch will
trigger the rollers (once attached) to start traveling.Toggling the switch off and
on again will cause Lake Groomer to switch direction.Toggle the switch on and
observe the movement of the drive weldment on the gearbox.
NOTE: Wait 3-5 seconds after toggling off to allow Lake Groomer to come to a
complete stop before toggling back on; failure to do so may result in the rollers not
changing direction.
4. With Lake Groomer on, grasp the communication tube (the round tube attached
to the lower gearbox on the main drive) and help it rotate. As the directional
puck comes to the machined-off notch, the sensor light located on the back of
the sensor will go out and the drive weldment will stop moving. After a short
delay, Lake Groomer will begin moving again, in the opposite direction.
5. Take note of the drive weldment angle. When setting Lake Groomer in its final
location, you’ll want to ensure that the drive weldment and rollers do not
contact the base foot pad or auger brackets; this may affect the angle at which
you attach Lake Groomer to your dock.The travel area covers approximately 280
degrees, beyond this will damage the rollers and base of the main drive unit.
6. Take note of the position of the setscrew protruding from the position collar on
the drive head assembly. It is recommended that the rollers are aligned with this
setscrew when positioning the Lake Groomer in the water.This indicator will be
useful in locating the position of the tube assemblies underwater.
7. Disconnect the power cord before moving on to the next steps.
SENSOR cLEARANcE
In order for your Lake Groomer to work properly and to avoid damage to the drive
unit, sensor clearance must be set at .03”-.04”, which is about the thickness of a
credit card. If the sensors are farther away than this distance, it could result in false

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This 1/2” opening is intended
to use a 1/2” drive ratchet
on speed bar to auger the
anchor tube into the ground
to secure the Lake Groomer
in position. This stabilizes the
bottom of the Lake Groomer
on the lake bed.
UPPER DIRECTIONAL PUCK: This pucks controls the
clockwise direction of the rollers. Use the leading edge of the
machined-out notch on the puck to set the limits of travel by
tightening the setscrew. This notch will cause the sensor to
switch off and, after a short pause, Lake Groomer will switch
directions.
LOWER DIRECTIONAL PUCK: This pucks controls the
counterclockwise direction of the rollers. Set it in position in
the same matter as the upper directional puck.
This SETSCREW indicates the position the rollers are
extending from the drive unit. Use it to determine the
position of the rollers when setting the limits of travel.
This TOGGLE SWITCH signals the Lake Groomer to run. Toggling
the switch off and on again will cause the Lake Groomer to change
direction.
ASSEMBLy & SETUP
5
reversals or even not being able to pick the direction the rollers should be traveling.
Sensors may become out of adjustment during transport or installation and should
be tested and corrected prior to operating Lake Groomer.
Sensors can be tested by rotating the directional pucks to see if the LED indicator
light is on when next to the puck, and then turns off when the puck is rotated to
the machined notch. It is necessary to remove the upper drive cover to observe the
display on the controller. The display indicates the motor hertz and increases from
0 to 60; the value will be positive or negative and change each time a limit has been
met. Another method is to observe the roller drive weldment located on the gearbox
at the lower end of the unit to see the directional change when limits are met.
If your sensors need to be adjusted, locate the two nuts on each sensor bracket
and use an 11/16” wrench to move the sensors closer or farther away from the
directional pucks. Use a credit card to check the measurement and re-test.
Figure 1 - Drive Head Assembly
cHOOSING THE BEST DOcK MOUNT pOSITION
Lake Groomer can be adjusted to operate with many different mountings and roller
arc paths depending upon the bracket position on your dock and the directional puck
positions. Below are some suggested configurations:
SIDE-POLE MOUNT, 180º ARC END-POLE MOUNT, 270º ARC INSIDE CORNER MOUNT, 90º ARC

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pREpARING THE ROLLERS
1. Remove the rollers (tube with fins assembly) from boxes two and three.
2. Remove the drive coupler weldments from box two.
3. On the first two rollers, attach one drive coupler weldment to each end.
4. On the third roller, attach one drive coupler weldment to one end (this roller will
go on the far end, away from the drive unit) (Figure 2).
5. When finished with this step, you will have three sections of rollers with one
coupler weldment remaining in the box.
NOTE: Additional rollers can be added. Note that Lake Groomer’s warranty covers
up to 35 feet (5 rollers); adding additional rollers is at your own risk.
Figure 2 - Attaching the Drive Coupler Weldment to the Rollers (Tube with Fins).
INSTALLING LAKE GROOMER
STOP!Ensure that you fully understand Lake Groomer’s movement and controls,
from the section entitled“Becoming Familiar with Lake Groomer’s Movement and
Controls” on page 13. After you understand how Lake Groomer moves, choose an
installation location that avoids any hazards and allows for safe roller-parking when
not in use.
NOTE: If you are mounting Lake Groomer to our Remote Mount Assembly, follow
the special instructions included with that product, as appropriate.
NOTE: It is recommended that at least two people complete this portion of assembly.
1. With the assistance of another person, bring your supplies, including the drive
head assembly, partially-assembled rollers and any needed tools or equipment
to the area where you plan to install Lake Groomer. We recommend using a box
or other container to hold any parts, hardware or tools needed to ensure they
don’t slip through your dock or get lost in sand.
2. Attach the dock bracket to the desired dock pole: (Refer to Figure 5 on pg 18).
• Choose either the round or square u-bolt, depending on the shape of the
dock pole where you have chosen to place the Lake Groomer.
• Position the dock bracket above the water line and secure with the nuts
provided with the u-bolt.
ROLLER (TUBE WITH FINS ASSEMBLY)
DRIVE COUPLER WELDMENT
5/16 “ X 3/4” BOLT

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• Dry fit your drive unit assembly to the dock bracket to ensure correct
positioning. If your water depth is greater than 4.5 ft, you will need a Deep
Water Extension; contact your Lake Groomer Dealer for this add-on.
• Final adjustments may be necessary once the Lake Groomer has been placed
into the water.
3. Attach the one remaining drive coupler weldment to the drive unit assembly
(Figure 3).
Figure 3 - Attaching Drive Coupler Weldment to Drive Head Assembly
4. Attach the rollers to the drive unit using the coupler tubes (Figure 4).
• Position the Lake Groomer next to the dock pole where you secured the
dock bracket, making sure the 2-inch square tube of the Lake Groomer with
the dock connection bracket will be able to attach to the dock bracket when
positioned in the water.
• Lay the rollers out from end to end on your dock. Remember to position the
roller with only one drive coupler weldment furthest from your drive unit
assembly (place the end without a drive coupler weldment at the far end).
• Locate the coupler tubes from box 3 and couple the first roller to the drive
unit assembly using the enclosed hardware.Then, attach the second and
third rollers in the same manner.
• Check all hardware to ensure it is tight.
ASSEMBLy & SETUP
5
5/16” CARRIAGE BOLT
5/16” NYLOCK NUT
DRIVE WELDMENT
DRIVE COUPLER WELDMENT

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ASSEMBLy & SETUP 5
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5. The Lake Groomer is now ready to be placed in the water!You will have a
short time to position the Lake Groomer near the dock bracket while the tube
assembles fill with water and sink.
NOTE: Different methods can be used to place the Lake Groomer in the water
depending on how your dock is configured.
• If poles do protrude above your dock surface, follow these instructions (if
poles do not protrude above your dock surface, skip to next section):
With the aid of another person, slide the complete Lake Groomer
assembly to the edge of the dock.
Lift the drive unit assembly to upright.
With the help of 2-3 other people, lift the drive unit assembly and rollers
up to clear your dock poles and place the rollers in the water as you
position Lake Groomer into the dock bracket. Continue on to step 6.
• If poles do not protrude above your dock surface, follow these instructions:
With the aid of another person, slide the complete Lake Groomer
assembly to the edge of the dock.
Lift the drive unit assembly to upright.
Have your assistant push the rollers over the edge of the dock while you
position Lake Groomer into the dock bracket.
6. As the Lake Groomer assembly enters the water, position the drive unit
assembly in the proper orientation to secure the dock connection bracket to the
dock bracket you attached to your dock pole in step 2.
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Figure 4 - Attaching the Rollers using Couplers
DRIVE UNIT ASSEMBLY
DRIVE COUPLER WELDMENT
COUPLER TUBE
1/2” CENTERLOCK NUT 1/2” X 3 3/4” BOLT
ROLLER (TUBE W/ FINS)

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DOCK POLE
DOCK BRACKET
DOCK
CONNECTOR
BRACKET
5/16” X 1”
CARRIAGE BOLT
SQUARE
OR ROUND
U-BOLT
NUTS PROVIDED
WITH U-BOLTS
5/16” X 3 3/4” BOLT 2” SQUARE TUBE
AUGER TUBE
COMMUNICATION
TUBE
AUGER TUBE
BRACKET
5/16”
NYLOCK NUT
5/16”
NYLOCK
NUT
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ASSEMBLy & SETUP
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7. Once the rollers have filled with water and sunk to the bottom, position the dock
bracket so it is just under the auger tube bracket on the main drive unit. Use the
appropriate hardware to secure the dock bracket to the dock connector bracket.
You will use two 5/16”x 1” carriage bolts, one 5/16” x 3-3/4” bolt and three 5/16”
nylock nuts (Figure 5).
Figure 5 - Securing Lake Groomer to your Dock Bracket
8. Use a 1/2” ratchet or speed wrench to drive the auger tube into the ground. It is
recommended the auger tube be at least 12 inches into the ground.
9. The Lake Groomer is now ready to have the power cord attached. We
recommend using zip ties to attach the cord to your dock. Approximately three
seconds after the unit is plugged in, you should see the lights on the sensors
illuminate.
NOTE: Connect the power cord to your Lake Groomer and become familiar with its
operation to ensure it is working properly.

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SETTING THE LIMITS OF TRAvEL
Care should be taken so the rollers do not make contact with the dock, lifts or
any other obstacles underwater. Repeated contact can cause the fins to wear
prematurely and may damage the dock or other infrastructure.
Refer to Figure 1 on pg 14 for more information about the directional pucks.
IMPORTANT: Sensor clearance must be set at .03”-.04”. See below for more
information on this.
1. To set the counterclockwise limit:
• Loosen the thumb screw located on the lower directional puck.
• When the roller is in the desired location (as far to the left side of the drive
unit assembly as desired), position the machined notch of the puck in front of
the bottom sensor and tighten thumb screw; this will turn the sensor light off
and trigger the rollers to reverse direction.
• After a 3 second delay, the rollers should begin moving in a clockwise
direction.
2. To set the clockwise limit:
• Loosen the thumb screw located on the upper directional puck.
• When the roller is in the desired location (as far to the right side of the drive
unit assembly as desired), position the machined notch of the puck in front of
the bottom sensor and tighten thumb screw; this will turn the sensor light off
and trigger the rollers to reverse direction.
• After a 3 second delay, the rollers should begin moving in a counterclockwise
direction.
NOTE: If your lake bed has mucky conditions or a lot of weed growth, limit the travel
of the rollers to clear the area gradually. Read more in the “Dealing with Muck”
section on the next page.
NOTE: Once the limits of travel are set, periodically check to ensure rollers are not
making contact with your dock. Directional pucks may need to be reset after your
area is cleared or after a weather event that causes abnormal wave action.
NOTE:After clearing the designated area, the Lake Groomer will only need to run
periodically (1-5 hours per week) to maintain a clean lake bottom.

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DEALING WITH MUcK
Depending on the depth of muck on your lake bed, different removal options will
need to be considered. Imagine what happens to a vehicle when it gets stuck in
the mud: Lake Groomer’s rollers are like the wheels of a vehicle. If the rollers are
spinning but not able to move, they will get stuck in the muck.The deeper the muck
or the longer the rollers spin, the harder they will be to dislodge, and the unit may
become damaged.
A Mud Paddle (part # #700107) is available to help drive through muck, but is
limited by the depth of the muck.The paddle will need to be removed once muck is
decreased. Running the unit with the mud paddle when little or no muck is present
can damage the paddle and possibly the Lake Groomer. Contact your Lake Groomer
dealer for this add-on.
Whether you choose to use our Mud Paddle or not, it is recommended to start close
to shore and clear muck slowly in segments.There are a few options for doing this:
• Rather than attaching all three of the rollers at once, start with just one roller.
Once that area is clear, attach the next roller. And again, once that area is clear,
attach the third roller.
• Rather than setting the limits of travel to the maximum possible arc, start at only
25-50% of the desired arc and increase as the area is cleared.
• If the rollers do not move freely, it may be necessary to try more than one
method at once and to attach the mud paddle if you are not already using it.
With either method, it is recommended to help the Lake Groomer deal with the
depth of muck by pulling deeper muck into an already-cleared area; a snow rake is a
good tool for this job. It won’t take long before you notice a firmer, more sandy lake
bottom! Keep in mind that this year’s weeds decompose and become next year’s
muck, so removing weeds will also improve muck issues. Contact Lake Groomer for
more advice on dealing with extreme muck conditions.
NOTE: Never park the rollers in muck. Muck will find its way inside the tubes,
making them very heavy and difficult to turn, which may cause parts to fail or break.
Muck also increases wear on the coupler joints and may cause premature failure of
the roller coupler assembly components.
EXTRA FEATURES
Lake Groomer has special features that can be accessed using the keypad. For more
information, we encourage you to reference the Quick Start Guide for the Emerson
drive, which was provided with your Lake Groomer.
EXTRA FEATURE: SETTING LAKE GROOMER TO cYcLE
Lake Groomer has a feature that allows the rollers to run a desired number of
cycles, then power off.Typically, this would be used to maintain an area once it has
been cleared of weeds and/or muck. A cycle is one complete travel from where the
rollers begin rotating to the reversal point, then returning to the start position.
6ExTRA FEATURES