Kodiak LGSG13HC User manual

original instruction
2013
LGSG13HC
Uniguip

LGSG13HC
Gas Powered Professional Stump Grinder
Operator s Manual
DO NOT operate this equipment until you have read and
understood all the enclosed Operator's Manual.
READ ALL the sections in this manual PRIOR to attempting to
service, maintain or operate this equipment. !
Contents
Pre-Operation Note 1
Safety Precautions 2-3
Guide to Parts Breakdown 4
Machine Overview 1O-11
Contents List 12
Pre-Operation Procedures 13
Operation Procedures 14-161
A. Positioning the LGSG13HC 13
B. Starting the LGSG13HC 14
14C. Stump grinding on level surfaces
D. Stump grinding below ground 16
E. Shutting down the LGSG13HC 16
Storing the LGSG13HC 16
Maintenance Procedures
17
A. Inspection Schedule 17
B. Preventative Maintenance Procedures
17
1. Cleaning the LGSG13HC 17
2. Maintenance Schedule 18
3. Lubrication Schedule
18
C. General Service Procedures 19
1. Adjusting the operator presence system 19
2. Brake adjustments 20
i. Fine travel adjustment 20
ii. High travel adjustment 20
3. Changing the teeth 21
4. Sharpening cutter teeth 22
5. Adjusting the Drive Belt 23
nformation on safety decals
I
24
Machine Parts Breakdown
Parts List
5-6
7-9

Pre-Operation Note
Thank youfor your purchase of the LGSG13HC Professional Stump Grinder. This stumpgrinder has been
designed and manufactured to our highest quality demands for durability and performance.
The LGSG13HC Professional Stump Grinder is warranted to be free from manufacturer's defects in material
and workmanship for a period of one (1) year from the date of purchase. This warranty will be void if the machine
has not been operated and maintained in the manner prescribed in this Operator's Manual. Any machine malfunctions,
and/or warrantyclaims that arisefrom themisinterpretation or themisunderstanding of theinstructions and
cautions discussed in this booklet will not be eligible for warranty protection.
In order for thestump grinder to perform at its optimum capabilities, the operator must readthis manual thoroughly
before using this unit. This Operator's Manual contains important product operation procedures, safety precautions,
maintenance and troubleshooting tips as well as other advisories. Please keep this manual both this manual and the engine
manufacturer's manual in the manual storage pack, located on the handle, at all times nearby when operating the machine
as a reference should any questions arise. If the machine is sold or transferred to another user, pleaseensure that this
manual accompanies it. Ifthe machine is soldor transferred to anotheruser, please ensure that this manualaccompanies it.
The LGSG13HC stump grinder is designed for reducing tree stumps outdoors down to a manageable size. The machine
should not beused for any other purpose than that stated above.The inappropriate use of any machine can cause serious
damage and/or bodily harm to the environment and operator. It is imperative that the operator of this equipment be
responsible for the operational environment of the stump grinder.Please be preparedand well-informed for all specific
requirements and workhazards that mayand/or do existat the jobsite.
Powered by a 13 hp HONDAengine, the LGSG13HC isa powerful unit driving tough 355mm cutter wheel with eight
replaceable carbide teeth to make stump removal fast andeasy.The LGSG13HC has many features which are designed to
improve your working experience. The steelcutter wheel guard and heavy-duty chip curtains increase safety by shielding
the operator from the cutter wheel and flying debris. A six-position adjustable handle with operator presence system
maximizes comfort and ease of use. Heavy-duty inner and outer belt guards protect the operator and increase belt longevity.
To extend engine life,an angled frame keeps the engine level during the grinding process. A power band belt with idler
bearing provides efficientgrinding. Increased stability and ease of start-up is provided by a square foot rest for pull-start
models.
In order for you to enjoy the most out of your new stump grinder, always keep safety as a priority. Inspect your
jobsite for any debris such as rocks, wiring, string or any other items that can become hazardous during work. Identify
and mark all fixed objects to be avoided during work such as sprinkler heads, water valves, buried cables, or clothes
line anchors etc.The jobsite environment, soil conditions, job specifications and operator experience will all be factors
that must be considered to select the proper tool for the job. Failure to maintain the stump grinder in a proper manner
will lead to decreasedproductivity of the tooland hazards to theoperator and bystanders. Do not use the machine if it has
been modified orimproperly maintained.
All jobsites are different.Please ensure that when using the Stump Grinder, all local bylaws and codes are
followed. All operators and mechanics of this machine should be trained in generalmachine use andsafety.
Every care andeffort has been made toascertain the accuracyand completeness ofprocedures described inthis
document to ensure your enjoyment and satisfaction.
Model
Engine options
Cutter depth below ground
Cutter height above ground
Number of teeth on cutter wheel
Cutter wheel diameter with teeth
Fuel tank capacity
Tire size
Dimension L W H
Total weight
LGSG13HC
Honda GX390-13HP
229mm
534mm
8
355mm
6.1L
5.3/4.50-6 4PR
2131 mm×800 mm×897mm
137kgs
Product Specification
1
on handlebar grip
= 7.8m/s in accordance with 2002/44/EC K=1.5m/s
.
22
Guaranteed noise power level Lwa
Lpa at operator's position
'
Vibration acceleration value:
Von handlebar grip
a
hw = 8.6m/s
in accordance with 2002/44/EC K=1.5m/s
a
hw
22
106dB(A)
90.9dB(A) Kpa=2.5dB(A)
Noise level Lpa 83.82dB(A) Kpa=2.5dB(A)

2
Safety Precautions
1. READAND UNDERSTAND OPERATOR'S MANUALPRIOR TO USE OF STUMP GRINDER
5. When operating the stump grinder, follow these guidelines for operator's personal safety:
a. Always wear proper safety clothing and equipment for the job. These can and should include eye
and ear protection,gloves, dust maskand any other items that are appropriate for the job and jobsite
requirements
b. Never wear any jewelry, neck ties, or other loose or hanging items that can be caught on any part of the machine
c. Tie back or remove any loose hair, clothingand any other potential hazards and obstructions
d. Keep all hands, loose clothing, hair, jewelry and all other personal parts and belongings away from
moving parts ofthe machine.
e. The last operator may have been negligent and his possibleoversight could cause you death or serious
injury. Inspect machine beforeeach use.
f. Avoid coming incontact with the muffler and other engine parts after the engine is started and the time
o
immediately after the machine is turned off. Machine and engine temperatures may exceed 150 F or
66 . Machine mustbe allowed to cool before touching it or attempting to perform any maintenance!
A. Keep observersand bystanders away from the stump grinder and itsimmediate working environment
(i.e.: the treestump that isbeing reduced etc.)while the stumpgrinder is inuse.
b. Stop operations or if anyone or anything (i.e.: humans, animals, debris etc.) approaches from any
direction while the machine is in operation.
c. Stop work and turn off the stumpgrinder if it hits any debris that jams the machine or causes it to labour
unnecessarily. Inspect the stumpgrinder and surroundingenvironment for anypossible causes.
d. If the machine is jammed, stop the engine and remove the sparkplug wire before attempting to clear
any jams inthe unit.
e. Stop all work, turn offstump grinder, unplug spark wire and ensure that engine is turned off and cooled
before performing any diagnostics or repairs.
6.For the safety of others and that of the operator,observe the following precoulions:
2. Before operating stump grinder, ensure that it is structurally and mechanically safe by checking the following:
a. Are all enginecontrols and theclutch action functioningwithin acceptable tolerances?
b. Is the drive belt in good condition?
c. Are all protectiveguards in place?
! If any of the above checks fail, please take
necessary steps to maintain or repairthe unit
before operating it in any environment.
3. Before using the STUMP GRINGDER on proposed jobsite, perform the following environmental checks:
a. Inspect the entire work area for unexpected buried hazards, such as boulders, foundations, and fencing
b. Clean work area of any litter or debris, such as wire, boards, rocks, or any other potential hazards
c. Know and mark the location of any and all buried utility lines or sprinkler systems. If in doubt,
always check withyour local utilitiesprovider for surveyinformation and assistance.
! Call your local utility company so that they can
locate and mark these lines for you. Any cut electrical
cable or gas line can result in injury or fatality.
d. Check for ventilation in work area. Do notoperate the stump grinder or runthe engine in unventilated
areas. ALWAYSOPERATE STUMP GRINDER OUTDOORS!!
4. Before using the STUMP GRINDER on proposed jobsite, make surethat the operator is thoroughly familiar with
the machine andits components (see Machine Overview )

3
7. Due tothe nature ofthe machine andthe tasks thatit is designedto perform, theStump Grinder maybehave in
the following manner:
a. Always start StumpGrinder a safedistance away fromany object suchas a fence,foundation or
any other structuralobstructions. The teeth could possiblycatch and climbon the object.
b. Use extremecaution when operatingStump Grinder onuneven terrain. Donot risk thepossibility of
causing the machinebecome unbalanced orrolling over.
c. Stop operationsif anyone oranything (i.e.: humans,animals debris etc.) approachesfrom the front
or the sideswhile the machineis in operation.
f. ROTATING STUMPGRINDER WHEELCAN CAUSE SERIOUS INJURY OR DEATH. DO NOT
ATTEMPT TOPERFORM ANYREPAIRS, SERVICE,OR DIAGNOSTICS OR TO TRANSPORT OR
MOVE THE UNIT UNTILCUTTER WHEELHAS COME TO A COMPLETE STOP. FAILURE TO
DO SO MAY RESULT IN DEATH
g. Never leavemachine unattended
h.DO NOT, under any circumstances, operate machine if any of the following conditions are applicable:
i. Anyimpairment (i.e.: medical conditions, medicinal side-effects,alcohol, drugs etc.) of the operator.
ii. The operator has notread or understood the operator's manual for this machine.
iii. The operator does notclearly understand the operations of the machine.
iv. The machine is in needof repair
v. The operator is inappropriately attiredto operate the machine.
Safety Precautions cont'd
SAVE THESE INSTRUCTIONS!!
Danger zone
WARNING: Keep out of the stump grinder’s Danger zone during starts and operation.
Check the immediate surroundings for foreign objects and for children and animals in particular!
Careful! Dirt and stones may get airborne during grinding. People
and animals must keep out of this area. Watch out for vehicles, window
panses and other objects to avoid damage.
Only work on slopes of up to a max. of 10°
For operation on banks, always turn machine towards the slope!

Guide to Parts Breakdown
Regular maintenanceand parts replacement are important steps to extending the life of your equipment and
enjoying its optimumperformance. When performing or conductingany maintenance orrepairs, always checkthat your
working surroundings aresafe and well-ventilatedand that the technician is familiar and comfortable with all aspects of
the machine andrequired procedures.
This guide aimsto serve as a representational guide to the LGSG13HC.Any other uses or application beyond the
scope of this document are strictly prohibited. While every attempt has been made to maintain its accuracy The producer
reserves the right to update and modify the equipment without prior notification. Prior to undertaking to perform any
maintenance or repair procedures,please contact our Technical Support Hotline for clarification and to acquire appropriate
parts.
To order spare parts, please provide the following information:
1. Machine Make
2. Model Number
3. Machine SerialNumber
4. Quantity Required of Each Part
5. Part Numbers
6. Part Descriptions.
4

Machine Parts Breakdown
5
LGSG13HC

Machine Parts Breakdown
6
LGSG13HC

Parts List
7

Parts List
8

Parts List
9

Machine Overview
The following is a list of important control andoperation mechanisms with which the operator must be familiarPRIOR to
using the stump grinder. Failure to do so may result insevere injury and/or fatality to the operator and othersand may lead
to reduced machine life or damage to the stumpgrinder.
a.Start/stop switch- The Start/stop switch is located on the control panel that is attached to the handle.
The Start/stop switch turns on and off the machine. Pull the switch to start the machine and push it to stop
the machine. In the event of an emergency, push the Start/stop switch immediately!
b.Operator presence loop- The operator presence loop enables the engine to run when the operator presses
either end of the loop against the handle of the machine. This design isa safety mechanismwhich functions
as a dead man's grip. Releasing the loop will deactivate the engine so as to disengage the stump grinder
when there is no operator or other external force to engage the loop.
c.Brake Lever Handle- The brake lever handle locks the braked wheel. Shift the brake lever handle into an
upright positionto lock the braked wheel.
d.Heavy-Duty chip Curtains- The chip curtains protect the operator from flying debris. Do not operate the
stump grinder if chip curtains are frayed, torn, of missing.
e.Square Foot Rest- The square foot rest increases the stability of pull-start models. To start a pull-start model,
place foot on square foot rest while pulling on starter rope and pushing down on handle.
f.Handle Height Adjusting Pin- The handle height adjusting pin allows the operator to adjust the handle for
comfort or different job conditions. Caution: Do not attempt to adjust handle heightwhile engine is running or
cutter wheel is rotating.
g.Belt Guards- The belt guards protect the operator and extendbelt life. Before using the stump grinder, operator
should ensure that belt guards are secure and in good condition.
h.Cutter Wheel Housing- the cutter wheel housing is a metal shell that covers the top of the cutter wheel.
Before using the stump grinder, operator should ensure that the cutter wheel housing is secure and in good
condition (e.g., free of cracked welds, dents, and thin spots).
i.Cutter Wheel Assembly must bekept in goodcondition (e.g., with sharp teeth, all bearings and pocketbolts
securely in place, and good pocked condition).
10

Machine Overview cont'd
11

Contents List
Prior to setting up the LGSG13HCProfessional
Stump Grinder, check that the following items
are enclosed:
item quantity check if enclosed
LGSG13HC Professional Stump Grinder Unit
1 ____Yes ____No
Stump Grinder Operator's Manual 1 ____Yes ____No
Original Engine Manufacturer's Manual 1 ____Yes ____No
If any of these items are missing, please contact your local dealers
DO NOT ATTEMPT ASSEMBLYOR OPERATION WITHOUTANY OF THESE LISTED PARTS!
Pre-Operation Procedures
Before using the LGSG13HC Professional Stump Grinder, please perform the following procedures for the
personal and propertysafety of theoperator and jobsite and for optimal performance.
1. Before operating theStump Grinder ensure that it is structurally and mechanically safeby checking the following:
a. Perform a detailed visual inspection on the machine with particular attention to the following:
i. Are there any loose, worn or damaged parts? If so, DO NOT ATTEMPT TO OPERATE THE
MACHINE. Make note of required parts, and contact your local dealer for replacement parts
and further assistance to service the unit PRIOR to any further use.
Ii. Is themachine, particularly thecutting wheel andteeth, clean andfree of debris?Small rocks
and other foreign objectscan jam machine and cause theunit to malfunction, leading to serious
injury to theoperator and propertydamage on thejobsite.
iii. Are there any cracks or damage on theengine? Consultwith the engine manufacturer's
manual for guidelines and instructions on service. DO NOT ATTEMPT TO OPERATE THE
MACHINE until engine is refurbished to engine factory standards.
b. Inspect the handle for the following:
i. Is thehandle properly andsecurely attached to the machine?
ii. Isthe handleset in a comfortable position for the operator?Only usemachines thatthe
operator can control easily and comfortably. Consult your local health and safety organization
for any pointersfor jobsite andmachine operation safety.
12

Pre-Operation Procedures cont'd
2. Before operating the Stump Grinder, perform the following environmental checks:
a. Will the machinebe operation at ground level or will it beremoving a stumpbelow ground level?
Refer to the section Stump Grinding Below Ground Level under the OperationProcedures
section of thismanual for furtherdetails.
b. Has the work area been cleared of debrissuch as string,wire, rocks, metaland other materials?
Such items could cause malfunction or damage to the Stump Grinder that could also be potentially
hazardous to the machine and operator.
c. Are all obstructions such as sprinkler lines, electrical boxes, fences etc. clearly marked?
If any of the above checks fail, please take necessary steps
to maintain or repair the unit before operating it in any
environment
Operation Procedures
A.Positioning the LGSG13HC
1. Ensure that the stump grinder is completely turned off prior to adjusting or relocating the unit.
2. Position the cutter wheel above the top edge of the stump that is closest to you (see Point A, Figure 1 )
3. While standing behind the operator presence loop, lock brake wheel by pulling brake lever handle toward
you (see PointB, Figure 1)
4. After positioning Cutter Wheel, adjust handle height for maximum comfort, stability, and safety.
LGSG13HC
13

B. Starting the LGSG13HC
1. Ensure that the cutter wheel off the ground before starting engine. Follow instructions in the engine m
anufacturer's manual to properly start the engine.
2. Start the machine by pulling the start/stop switch located on the control panel.
3. Grasp the operator presence loop and press it tightly against the handle.
Fig.2: Using theoperator presence loop
Machine will not operate unless operator presence
loop is pressed against the handle. Releasing the
loop will disable the machine (see Figure 2)
DO NOT TAMPER WITH OR DISABLE OPERATOR
PRESENCE SYSTEM. IF ENGINE RUNS WITH OP-
ERATOR PRESENCE LOOP IN DISABLED POSITION,
DO NOT USE MACHINE UNTIL IT IS REPAIRED.
4. Activator engine by pulling cord while resting foot on square foot rest and
pushing down on handle, see engine manufacturer's manual for further
instruction on how to start engine.
Opeation Procedures cont'd
C. Stump grinding on Level Surfaces
1. Allow engine to warm up to operating temperature (see engine manufacture's manual).
Increase speed tofull throttle onceengine is sufficiently warm.
2. With handle parallelto the ground, start cutting process by moving thehandle right to left and back to right.
3. Move thecutter wheel overthe stump, removing1/2”to 3/4” with each pass
of the cutter wheel (See figure 3)
DO NOT TAKE LARGE PASSES.
DOING SO MAY BOG DOWN THE ENGINE.
Fig.3: Proper method of grinding down tree stumps
4. Verify that onlythe safe area of the cutter wheel
is in use for cutting (Figure 4)
Fig.4: Safe cuttingzone on cutterwheel.
Use only the safe cutting zone of the cutter wheel
to cut and grind stumps (see Figure 4).
Cutting with any other portion of the cutter wheel
may result in operator injur y or damage to the
machine.
14

Opeation Procedures cont'd
5. If there is a need to reposition the stump grinder, follow these directions:
a. Release the operator presence loop and press the start/stop switch to turn the machine off and follow the
engine manufacturer's instructionson shutting downthe engine. Ensurethat the cutterwheel has cometo
a complete stop.NEVER LEAVE A RUNNING STUMP GRINDER UNATTENDED.
b. Remove thestump grinder awayfrom work areaand set thebreak lever.
c. Clear thework area ofany wood chipsor debris priorto repositioning thestump grinder.
Always ensure that work area is clean and free of
excessive wood chips for safe operation. Stop
machine and wait until cutter wheel has come to a
complete stop. If a large amount of chips have built
up, rake them out of the work area.
d. Release break lever, reposition the machine to the remaining outside edge of the stump (see Figure 5).
e. Apply brake, startengine and machinesas previously describedand continue togrind the stump until
it is level with the ground.
f. Repeat process until entire stump is level with the ground (see Figure 6).
Fig. 5 Positioning cutter wheel to outside edge of stump
On large stumps, DO NOT allow wheels of machine
to fall into hole. Reposition machine or fill hole with
dirt or chips.
g. If a large quantity of chips have built up in work area, stop the machine and clear work area of chips
and foreign objects.
Fig. 6 Grind until stump is level with ground
15

D. Stump grinding below ground.
1. Stop machine,release brake.
2. Reposition machine and handle to ensure maximum stability and comfort during below-ground cutting.
3. Apply brake, start engine and press cutting zone of cutter wheel into stump.
4. Remove stump with back and forth motion that is described in section C (see Figure 7)
E. Shutting down the LGSG13HC
1. Place throttlein slow positionand then stopengine by pushingstart/stop switch oncontrol panel.
2. Shut down engine as per engine manufacture's instructions and remove key if so equipped.
3. After engine cools,remover dirt chipsand other foreigndebris from themachine.
The rotating cutter wheel is dangerous.
Operator must stand at the controls until the cutter
wheel comes to a complete stop.
Opeation Procedures cont'd
Storing the LGSG13HC
1.Ensure that the area in which the machine will be stored is well-ventilated and free of any potential fire hazards
such as openflames, gas appliances,furnaces, water heaters,and other appliances.
2.Clean and lubricatemachine prior to storage.
3.Lightly lubricate flails and rotor to inhibit rusting.
4.Touch-up any scratches ordamaged area exposing metal to theelements.
5.Order and re-apply any safety labels. Refer to Information on Safety Decals in Parts Breakdown Section
of the manual for placement and parts numbers.
6.Verify with enginemanufacturer's handbook for guidance on preparingengine for storage.
7.Store unit in transport position (see Transporting theLGSG13HC in Operation Procedures section)
8.Store the machinein a coveredor indoor storage area for increased protection and longevity.
16

GSG13HC
Maintenance Procedures
This section encompasses two generaltypes of maintenance:1. Preventative Maintenanceand 2. GeneralService.
The first refers to regularly scheduled routine care of the stump grinder, such as cleaning and lubrication. The
second provides information on common procedures, such as changing flails, and adjusting the drive belt that are to
be performed as needed.
By following theInspection Schedule belowBEFORE andAFTER each use of the stump gringder appropriate actions
can be taken to extend the service life of the machine and reduce any costly repairs and unnecessary downtime for the
unit.
! All service should be performed by trained
technicians.
A.Inspection Schedule
The following list aims offer some basic guidelines to performing a detailed
inspection BEFORE and AFTER each use.
Certain checks will require some disassembly, i.e. the removal of the drive guard, to
perform. Depending on various
environmental conditions and frequency of use, other inspection points may have to be added for each machine.
Item Yes No
Is the engineoil filled to recommended levels? ConsultEngine Manufacturer's Manual.
Is the gear box well lubricated and clean?
Is the engineair cleaner properly attached and clean?Consult Engine Manufacturer'sManual.
Is the drive belt tension set properly?
Is the splitting wedge well-sharpened and in good repair?
Are the safetywarning labels and other decals clearlyidentifiable and legible?
If not, ensurethat fresh decals will be re-applied prior to usefor operator safety.
B. Preventative Maintenance Procedures
Maintaining a regular cleaning and lubrication schedule as well as taking time to perform preventative
maintenance procedures will prolong the service life of theLGSG13HC. The
following are guidelines to setting up
a regular maintenance routine for thestump gringder
1.Cleaning the
i. After eachuse, the stump grinder, in particular the cutting wheels, cutting teeth and underneath the rubber skirt,
should be cleaned and washed of any dirt or debris thatmay be trapped in the unit.
ii.When using apower pressure washerto clean theunit, DO NOTUSE ANY MACHINE RATED HIGHER
THAN 1000 PSI.
iii.Beware ofdamaging any warning decals and labels,as well as the drive belt,bearings and engine.
Limit direct spray on these objects to help prevent their wearand tear.
iv. For easier access to cleaning the stump grinder, the machine may be tipped on its engine guard for NO
MORE THAN 2 MINUTES. Engine damage may result from gasoline flowing into the crankshaft due
to prolonged tipping.
L
17

Maintenance Procedures cont'd
2. Maintenance Schedule
Item to check 10 Service
Hours
15 Service
Hours
25 Service
Hours
50 Service
Hours
Every Six
Months
Operator Presence System
Brake Adjustment
Teeth and Cutter Wheel Assembly
Tires and Chip Curtains
WalkAround Inspection
Wires andCables
Bolts and Mounting Hardware
Safety Labels
New Drive Belt
Grease Cutter Shaft Bearings
Drive Belt Tension
Wheel Bearings
3. Lubrication Schedule
Regularly scheduled lubrication of the LGSG13HC is essential to smooth performance and extended equipment
life. The following schedule is a recommended guide to lubricating your LGSG13HC. The schedule should
be adjusted for various environmental conditions and frequency of use.
Item Suggested
lubricant
Every 20
hours
Every 60
hours As required After each
pressure wash storage
Engine Refer to owner's
manual for Engine
Wheel Lithium-based
Grease
Cutting Teeth,
Pockets & Wheel
General purpose
spray lubricant
Zerks General purpose
spray lubricant
Technicianshould read and thoroughly understand all manuals pertaining
to the machine to be serviced. Do NOT proceed with any service and
maintenance activity until ALL questions and concerns have been addressed.
Please call your local dealer for technical support andadvice.
! ALWAYS consult and verify that all local codes and bylaws are followed
before performing any service or maintenance procedures.
18