6782-13000(906)
OWNER/OPERATOR MANUAL
LONG REACH TRIMMER
LRT2300
Thank you for purchasing a RedMax
product.
WARNING
Before using our trimmer, please read
this manual carefully to understand the
proper use of your unit.
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
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CONTENTS
SAFETY PRECAUTIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 3
OPERATOR
WORKING CONDITION
AVOID NOISE PROBLEM
AVOID CHANCES OF DAMAGE
WARNING LABELS
SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 8
SET UP · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9
FUEL · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 10
FUEL MIX
MIXING FUEL
FUELING
OPERATION · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 11
STARTING ENGINE
ADJUSTING IDLE SPEED
STOPPING ENGINE
MAINTENANCE · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 13
CHECK THE TRIMMER
BLADE
GEAR CASE
AIR CLEANER
FUEL FILTER
SPARK PLUG
MUFFLER
SPARK ARRESTER
STORAGE · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 17
PARTS LIST · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 18
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INFORMATION
This machine is equipped with an Overload Cancellation
Mechanism.
When the cutting blades have got into metal wires or those
twigs difficult to cut, the mechanism acts as a shock
absorber, and protects the drive gears and the blades from
severe reaction which could give damage to those parts.
When the blades are frequently caught by twigs, please
check the following points:
1. Size of the twigs. NEVER TRY TO CUT TWIGS
THICKER THAN 3/16”.
2. Condition of the blade edges. REPLACE THE WORN
OUT BLADES.
For the detail of the mechanism, please see below.
Thank you for choosing our product.
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Safety Precautions
■
In order to ensure proper and safe
• Avoid running the engine indoors. The
exhaust gases contain harmful carbon
monoxide.
operation of your trimmer
• Read this long reach trimmer
Owner/Operator Manual carefully. Be
sure you understand how to operate this
unit properly before you use it. Failure to
do so could result in serious injury.
• Never use your trimmer under
circumstances like those described below:
1. When the ground is slippery or when
other conditions exist which might make
it not possible to maintain a steady
posture while using the trimmer.
2. At night, at times of heavy fog, or at any
other times when your field of vision
might be limited and it would be difficult
to gain a clear view of the area where
the trimmer is to be used to ensure
safety.
3. During rain storms, during lightning
storms, at times of strong or gale-force
winds, or at any other times when
weather conditions might make it unsafe
to use this product.
• Be sure to keep this manual handy so that
you may refer to it later whenever any
questions arise. Also note that you are
requested to contact the dealer from
whom you purchased the product for
assistance in the event that you have any
questions which cannot be answered
herein.
• Always be sure to include this manual
when selling, lending, or otherwise
transferring the ownership of this product.
•This product has been designed for use in
trimming leaves and branches from trees
and hedges, and it should never be used
for any other purpose since doing so could
result in unforeseen accidents and injuries
occurring.
• When using this product for the first time,
before beginning actual work, take the
trimmer to a wide, clear, open space, turn
on the power, and practice handling the
trimmer until you are sure that you will be
able to handle in it properly in actual
operation.
• This product is equipped with extremely
sharp blades, and when used improperly
these blades can be extremely dangerous.
For this reason, you should never use this
trimmer when under the influence of
alcohol, when suffering from exhaustion or
lack of sleep, when suffering from
drowsiness as a result of having taken cold
medicine, or at any other time when a
possibility exists that your judgment might
be impaired or that you might not be able to
operate the trimmer properly and in a safe
manner. Also be sure never to allow
children or anyone unable to fully
understand the directions given in this
manual to use this trimmer.
• Lack of sleep, tiredness, or physical
exhaustion results in lower attention spans,
and this in turn leads to accidents and
injury. When planning your work schedule,
allow plenty of time to perform the work of
trimming and allow plenty of time for rest.
Limit the amount of time over which the
trimmer is to be used continuously to
somewhere around 30~40 minutes per
session, and take 10~20 minutes of rest
between work sessions. Also try to keep
the total amount of work performed in a
single day under 2 hours or less.
3
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Safety Precautions
■Work gear and clothing
■Warnings considering handling of fuel
• When using your trimmer, always be sure
to wear strong, durable, work clothing;
shirts should be long-sleeved shirts and
pants should be full-length pants reaching
down to the ankles.
• The engine of the RedMax® trimmer is
designed to run on a mixed fuel which
contains highly flammable gasoline. This
fuel is highly flammable and you should
never store cans of fuel or refill the tank of
the trimmer in any place where there is a
boiler, stove, wood fire, electrical sparks,
welding sparks, or any other source of heat
or fire which might ignite the fuel.
• Always be sure to wear and helmet and
face protector when using your trimmer.
• When using your trimmer, always be sure
to wear thick work gloves to protect your
hands and non-slip-sole work boots to
prevent you from slipping. Never use your
trimmer when wearing pants with loose
cuffs, when wearing sandals, or when
barefoot.
• Smoking while operating the trimmer or
refilling its fuel tank is extremely
dangerous. Always be sure to keep lit
cigarettes away from the trimmer at all
times.
• When using your trimmer for an extended
period of time, you should wear ear
protectors to protect yourself from loss of
hearing from overexposure to high levels of
sound.
• When refilling the tank always turn off the
engine first and take a careful look around
to make sure that there are no sparks or
open flames anywhere nearby before
refueling.
•If any fuel spillage occurs during refueling,
always be sure to use a dry rag to wipe any
fuel which has been spilled onto the
trimmer before turning the engine back on
again.
• After refueling, screw the fuel cap back
tightly onto the fuel tank and then carry the
trimmer to a spot 10 feet or more away
from where it was refueled before turning
on the engine.
4
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Safety Precautions
■ Things to check before using your
■ Things to check before starting up the
trimmer
engine
• Before beginning work, look around
carefully to get a feel for the shape of the
land, the trees, hedges, or bushes to be
trimmed, and whether or not there are any
obstacles which might get in the way while
working, and remove any obstacles which
can be cleared away before beginning
work.
• Take a careful look around to make sure
that no obstacles exist within a perimeter of
15 feet or less around the trimmer before
starting the engine.
•The area within a perimeter of 45 feet of the
person using the trimmer should be
considered a hazardous area into which no
one should enter while the trimmer is in
use, and when necessary yellow warning
rope, warning signs, or some other form of
warnings should be placed around the
perimeter of the area. When work is to be
performed simultaneously by two or more
persons, care should also be taken to
constantly look around or otherwise check
for the presence and locations of other
people using trimmers within the work area
so as to maintain a distance between each
person sufficient to ensure safety.
• The RedMax trimmer is equipped with a
centrifugal clutch mechanism which causes
the cutting blades to begin to rotate as
soon as the engine is started by putting the
throttle into the start position. When starting
the engine, place the body of the trimmer
onto the ground in a flat clear area and
hold it firmly in place so as to ensure that
neither the blades nor the throttle come into
contact with any obstacles when the engine
starts up.
• Never place the throttle into the high speed
position when starting the engine.
• After starting up the engine, check to make
sure that the blades stop rotating when the
throttle is moved fully back to its original
position. If the blades continue to rotate
even after the throttle has been moved fully
back, turn off the engine and take the unit
to your authorized Red Max servicing
dealer for repair.
•Before beginning work, each component of
the trimmer should be checked to make
sure that it is in proper working order and to
make sure that there are no loose screws
or bolts, fuel leaks, ruptures, dents, or any
other problems which might interfere with
safe operation. Be especially careful at this
time to check that there is nothing wrong
with the blades or with the joints by which
the blades are attached to the trimmer.
■AVOID NOISE PROBLEM
NOTE
• Never use the trimmer when the blades
have been worn down severely or when
there is any sort of damage which has
occurred to the blade mechanism.
Check and follow the local regulations
as to sound level and hours of
operations for long reach trimmer.
• Check to make sure that the handle grip
and the protective cover have not come
loose before using the trimmer.
• In general, operate trimmers between
8a.m.and 5p.m.on week days and 9a.m.to
5p.m.weekends. Avoid using trimmer late
at night and/or early in the morning.
5
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Safety Precautions
■ Things to be careful about when using
your trimmer
These metallic parts reach high
temperatures during operation and doing
so could result in serious burns.
• When using your trimmer, grip the handles
of the trimmer firmly with both hands, place
your feet slightly apart (slightly further apart
than the width of your shoulders) so that
your weight is distributed evenly across
both legs, and always be sure to maintain a
steady, even posture while working.
• Maintain the speed of the engine at the
level required to perform trimming work,
and never raise the speed of the engine
above the level necessary.
• Always be sure never to allow other
persons to come within the work area while
trimming, as doing so might expose them
to the danger of being hit by falling
branches as they are cut.
• Be especially careful not to slip if it is
raining or if rain has just stopped, as the
ground is likely to be slippery at such times.
• If a branch or other object gets caught in
the blades during operation, always be
sure to turn off the engine before removing
the object.
• To protect yourself against injury from
falling branches, always be sure to wear
the required safety equipment, and be
careful when working to watch to see in
which direction branches are moving and
falling so as to avoid being hit by falling
branches.
• When you finish trimming in one location
and wish to continue work in another spot,
turn off the engine, place the protective
cover over the blades, and turn the trimmer
so that the blades face away from your
body before carrying it to the new location.
• Never transport the trimmer over rough
roads over long distances without first
removing all fuel from the fuel tank, as
doing so might cause fuel to leak from the
tank as a result of shocks absorbed during
transport.
■ Notes on care and maintenance of your
trimmer
•In order to maintain your trimmer in proper
working order, perform the maintenance
and checking operations described in this
manual at regular intervals. In the event
that any parts must be replaced or any
maintenance or repair work not described
in this manual must be performed, please
contact a representative from the store
nearest RedMax authorized servicing
dealer for assistance.
• Under no circumstances should you ever
take apart the trimmer or alter it in any way.
Doing so might result in the trimmer
becoming damaged during operation or the
trimmer becoming unable to operate
properly.
•Always be sure to turn off the engine before
performing any maintenance or checking
procedures.
•When sharpening, removing, or reattaching
the blades, be sure to wear thick, sturdy
gloves and use only proper tools and
equipment to prevent injury.
• If someone calls out or otherwise interrupts
you while working, always be sure to turn
off the engine before turning around.
• Keep operation area clear of all persons,
particularly small children and pets. Injury
may result from flying debris.
• Never touch the spark plug or
plug cord while the engine is in
operation. Doing so may result
in being subjected to an
electrical shock.
• Never touch the muffler, spark
plug, or other metallic parts of
the engine while the engine is
• When replacing blades or any other parts
or when replacing the oil or any lubricants,
always be sure to use only RedMax
products or products which have been
certified by RedMax for use with the
RedMax trimmer.
in operation or immediately
after shutting down the engine.
6
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Safety Precautions
■Handling of warning labels (Part number : 6782-13250)
Handling this machine
improperly could result in
accidents causing serious
injury or death. Read this
manual carefully and practice
using the trimmer until you
are fully acquainted with all
operations and have learned
to use it correctly.
Keep hands away from cutting blades
Always be careful to wear a
face protector and helmet
when using your trimmer.
Carefully read owner’s manual
Where to apply
■Taking care of warning labels
1. Always keep warning labels clean and free of scratches which might make them illegible or
difficult to read.
2. If the warning labels provided with your trimmer become soiled, peel off, or otherwise
become illegible or difficult to read, order new labels from the RedMax authorized servicing
dealer where you purchased your trimmer and replace the damaged labels with new labels.
3. When applying new labels, be sure to first wipe away any dirt and dry the surface before
applying the new label in the same place as the original label.
7
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Specifications
MODEL LRT2300
Overall size ( L x W x H )
Dry Weight w/o shoulder strap
Engine
92.9 x 9.6 x 8.7 in
13.2 lbs
Type
Air cooled 2-stroke gasoline engine
ZENOAH G23L
22.5 cc
Model
Displacement
Max. output
Fuel
Mixture (Gasoline 32 : Oil 1)
Carburetor
Spark Plug
Walbro Diaphragm type
Champion RJ6CY
Transmission
Reduction ratio
Cutting head
Centrifugal clutch, spiral bevel gear, cam crank
4 : 1
Type
Reciprocating Double blade
Tooth
28 teeth
Pitch
30
Effective cut width
Angle adjust range
Shoulder strap
Goggle
16 in
90°(±45° from cutting head position aligned shaft)
Standard Accessories
1 pc
1 pc
1 pc
1 pc
Tool Kit
Blade Cover
8
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Set up
■MOUNTING ENGINE
■CONNECTING THE SWITCH CORD
1. Remove the clamp temporarily attached to
the clutch housing.
WARNING
2. Push the driveshaft toward the gearcase
and rotate it by hand to check that the
driveshaft is engaged with the gears.
3. Insert the shaft tube into the clutch
housing until it bottoms. When difficult to
engage, twist the engine slightly.
• Insert the end of the cord firmly. An
improper connection may result in the
cord becoming loose during operation
or in causing the engine to fail to stop
even after the switch has been turned
off.
4. Align the positioning holes on the clutch
housing and the shaft tube and fit the boss
on the clamp into the hole. Fasten the
clamp securely.
• Be careful never to bend the end of the
cord when connecting it.
1. Connect the terminal ends of the two
cords on the side of the engine to the
terminal ends of the two cords on the
side of the trimmer. Note that no
distinction is made between positive and
negative nodes, and that the cords may
be connected in any combination.
2. After the cords have been connected,
use the clamp located on the side of the
engine cover to fix the ends of the cords
firmly into place.
■INSTALLING HANDLE
Mount the handle to the shaft tube and
clamp it at your best operating position.
■ATTACHING THE TRIMMING MECHANISM
1. Remove the cap on the end of the main
pipe.
■CONNECTING THROTTLE WIRE
1. Remove the air cleaner cover.
2. Remove the screw screwed into the end of
the trimming mechanism.
3. Insert the end of the trimming mechanism
into the main pipe.
4. Line up the hole on the end of the
trimming mechanism into which the screw
is to be inserted with the hole on the main
pipe, and screw the screw firmly in.
5. Using a 10-mm wrench, screw in the
hexagonal bolt provided to fix the trimming
mechanism into place.
2. Connect the end of the throttle wire to the
joint on the top of the carburetor.
9
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Fuel
32:1 MIXING CHART
GASOLINE gal.
2-CYCLE OIL fl.oz
WARNING
1
4
2
8
3
4
5
• Gasoline is very flammable. Avoid
smoking or bringing any flame or
sparks near fuel. Make sure to stop the
engine and allow it cool before
refueling the unit. Select outdoor bare
ground for fueling and move at least
3m(10ft) away from the fueling stop
before starting the engine.
12 16 20
• These engines are certified to operate
on unleaded gasoline.
■MIXING FUEL
1.Measure out the quantities of gasoline and
oil to be mixed.
2.Put some of the gasoline into a clean,
marked fuel container.
3.Pour in all of the oil, cap the container and
shake it well.
4.Pour in the rest of gasoline and shake
again for one minute.
5.Indicate the contents on outside of
container for easy identification.
■FUEL MIX
•The engine is lubricated by oil mixed into
gasoline. Prepare a mixture of unleaded,
alcohol-free gasoline and RedMax oil or an
anti-oxidant added quality oil expressly
labeled for air-cooled 2-cycle engine use.
Recommended mixing ratio is 32 : 1.
DO NOT USE :
• Fuel containing no oil (raw gasoline)
may cause the engine to become
overheated and damaged.
•Gasohol may cause deterioration of rubber
and plastic parts and disruption of the
engine lubrication.
• Oil for 4-cycle engine use or water-
cooled 2-cycle engine use may cause
spark plug fouling, carbon building-up and
piston ring sticking.
•Mixed fuels which have been left unused
for a period of one month or more may
clog the carburetor or result in the engine
failing to operate properly.
•Make sure to use gasoline with a minimum
octane number of 90 ROZ(USA/Canada :
pump octane min.87)
• Unleaded gasoline is recommended to
reduce the contamination of the air for the
sake of your health and the environment.
•Poor quality gasolines or oils may damage
sealing rings, fuel lines or fuel tank of the
engine.
• Exhaust emission are controlled by the
fundamental engine parameters and
components (eq., carburetion, ignition
timing and port timing) without addition
of any major hardware or the introduc-
tion of an inert material during combus-
tion.
■FUELING
1.Unfasten and remove the fuel cap. Put the
cap on a clean surface for dirt prevention.
2.Pour fuel into the fuel tank up to 80% of full
capacity.
3.Replace the fuel cap and tighten securely.
Spilled fuel must be wiped away from the
trimmer before starting the engine.
10
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Operation
■STARTING ENGINE
NOTE
IMPORTANT
Avoid pulling the rope to its end or returning
it by releasing the knob. Such actions can
cause starter failures.
6.When the engine has started, move the
choke lever gradually downward to open
the choke
1. Rest the unit on a flat, firm place. Keep
the cutting head off the ground and clear of
surrounding objects as it will start rotating
upon starting of the engine.
2.Pump the primer until fuel flows out in the
clear tube.
7.Allow the engine to warm up for a half
minute before starting operation.
NOTE
1.When restarting the engine immediately
after stopping it, leave the choke open.
2.Overchoking can make the engine hard to
start due to excess fuel. When the engine
fails to start after several attempts, open
the choke and repeat pulling the rope, or
remove the spark plug and dry it.
3.Move the choke lever upward to close the
choke.
■STOPPING ENGINE
1. Release the throttle lever and run the
engine for half minute.
2. Shift the ignition switch to the STOP
position.
4.Shift the ignition switch to the START
position.
NOTE
Except for an emergency, avoid stopping the
engine while pulling the throttle lever.
■ADJUSTING IDLING SPEED
1.When the engine tends to stop frequently
at idling mode, turn the adjusting screw
clockwise.
5.While pulling the throttle lever with the little
finger of your left hand, pull the starter
rope briskly.
2.When the cutting blades keep moving after
releasing the trigger, turn the adjusting
screw counter-clockwise.
NOTE
Warm up the engine before adjusting the
idling speed.
11
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Operation
■Adjusting the angle of the cutting blades
1. Stop the trimmer engine.
WARNING
2. Turn the bolt located on the top of the
trimming mechanism counter-clockwise
to loosen it.
3. Adjust the angle of the blades to the
desired angle, and then fix the bolt
firmly back into place.
• This product is equipped with extremely
sharp blades, and when used
improperly these blades can be
extremely dangerous, and improper
handling can cause accidents which
may in turn lead to serious injury or
death. For this reason, you should
always be careful to follow the following
instructions when using your trimmer.
•Never hold the trimmer in a way in which
the blades are pointed towards someone
else.
• Never allow the blades to come into
proximity with your body while the engine
of the trimmer is in operation.
• Always be sure to turn off the engine
before changing the angle of the blades,
removing branches which have become
stuck in the blades, or at any other time
when coming into close proximity with the
blades.
•Always wear work gloves made of leather
or some other sturdy material when using
the trimmer.
• Always place the blade cover provided
with the trimmer over the blades when
not in use.
• Falling branches may fall onto the face
or into the eyes, resulting in injuries,
scratches, and cuts, and for this reason
you should always be sure to wear a
helmet and face protector when using
your trimmer.
NOTE
The thickness of branches which may be cut
using this trimmer is limited to up to
approximately 3/16". Never try to cut
branches thicker than this, as doing so may
result in damage to the trimmer.
12
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Maintenance
WARNING
•Always be sure to stop the engine before inspecting the trimmer for problems or
performing maintenance.
•Never alter the trimmer or take the engine apart.
•When replacing parts, always be sure to use only ZENOAH products or products which
have been certified by ZENOAH for use with the RedMax trimmer.
•Things to check before using trimmer
■Be sure to check the following before using your trimmer.
Item to be checked
• See if attachment is loose
• Gaps between blades
Response
• Tighten screws and bolts
• Adjust blades (see p.14)
• Sharpen or replace blades
• Repair or replace
• Adjust (see p.11)
• Repair or replace
• Tighten fittings
1
Trimming mechanism
•
Check if edges of blades are dull
2
3
Throttle
• Stiff and difficult to move
• Too loose, too tight
Throttle wire
• Stiff and difficult to move
• See if fittings are loose
• See if attachment is loose
• See if fuel pipe is damaged
4
5
Engine attachment
Fuel tank
• Tighten screws and bolts
• Replace
•
See if cap packing is damaged
• Replace
6
Muffler
• See if attachment is loose
• Tighten screws and bolts
■Regular maintenance inspection
Check the trimmer for damage or problems at the intervals shown below.
Interval (number of hours)
Item to be checked
Engine
20
25
50
100
Comments
Remove grit from cylinder fins
Clean air filter element
Clean and adjust spark plugs
Clean fuel tank
√
√
√
distance of 0.25"
√
Tighten cylinder bolts
Tighten engine fittings
Decarbonize muffler
Main body
√
√
√
Lubricate gear case
Remove grit from clutch drums
√
√
13
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Maintenance
■BLADES
■GEAR CASE
• When refilling the tank or resting, it is often
a good idea to use the time to oil the
cutting blades.
The inside of the gear case should be
lubricant using ZENOAH-approved lubricant
after every 20 hours of use.
• If a gap exists between the upper and lower
blades, follow the procedure below to
adjust them so that they fit more closely
together.
When adding lubricant, use a grease gun to
insert lubricant into the three grease nipples
located on the gear case.
1. Loosen lock nut (A) as shown in the
diagram.
2. Tighten screw (B) fully, and then turn
one-third to one-half of a rotation
backward.
TYPE OF LUBRICANT TO BE USED
Always be sure to use #2 lithium
heat-resistant lubricant.
3. While holding onto the screw to keep it
in position, tighten the lock nut.
4. Check to make sure that the flat washer
(C) is loose enough so that it may be
turned by pressing on it with a finger.
NOTE
Screwing in the screw too tightly may make
it impossible for the blades to move.
Conversely, not screwing in the screw tightly
enough may make the blades of the trimmer
feel dull and cause leaves and branches to
become caught in the blades of the trimmer.
QUICK TIP
If the blades become so worn down that it is
no longer possible to eliminate the gap
between them, you should contact the
authorized RedMax servicing dealer from
which you purchased your RedMax®
trimmer to have the blades resharpened or
replaced.
14
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Maintenance
■FUEL FILTER
WARNING
• A clogged fuel filter may cause poor
acceleration of the engine. Check
periodically to see if the filter is clogged
with dirt. The filter can be taken out of the
fueling port using a small wire hook.
Disconnect the filter assembly from the fuel
pipe and unhook the retainer to
disassemble it. Clean the components with
gasoline.
• Make sure that the engine has stopped
and is cool before performing any
service to the trimmer. Contact with
moving cutting head or hot muffler may
result in a personal injury.
■AIR CLEANER
• C h e c k the air cleaner every 25 hours of
use or more frequently if used under dusty
conditions. A clogged air filter may increase
fuel consumption while cutting down the
engine power. Never operate the trimmer
without the air filter or with a deformed filter
element because unfiltered dusty air will
quickly ruin the engine.
■SPARK PLUG
•CLEANING AIR FILTER:
• The spark plug may gather carbon deposits
on its firing end with reasonable use.
Remove and inspect the spark plug every
25 hours and clean the electrodes as
necessary with a wire brush. The spark gap
should be adjusted to .025 in.
1. Remove the air cleaner cover by pulling
the tab on bottom and take out the filter
element.
2. Use neutral detergent and warm water
to clean the filter element. After cleaning,
air dry the element completely and
moisten with a small amount of motor oil.
• Plug manufacturers recommend replacing
the plug twice a year to avoid unexpected
plug failure in a job.
REPLACEMENT PLUG IS A CHAMPION
RCJ6Y OR THE EQUIVALENT, SUCH AS
BOSCH WR8E OR NGK BR6S.
IMPORTANT
• Note that using any spark plugs other than
those designated may result in the engine
failing to operate properly or in the engine
becoming overheated and damaged.
• To install the spark plug, first turn the plug
until it is finger tight, then tighten it a
quarter turn more with a socket wrench.
3. Place the filter element into the air
cleaner housing and press the cover
against the housing until it clicks.
15
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Maintenance
■INTAKE AIR COOLING VENT
■ PROCEDURES TO BE PERFORMED
AFTER EVERY 100 HOURS OF USE
1. Remove the muffler, insert a screwdriver
into the vent, and wipe away any carbon
buildup. Wipe away any carbon buildup
on the muffler exhaust vent at the same
time.
WARNING
• Never touch the cylinder, muffler, or
spark plugs with your bare hands
immediately after stopping the engine.
The engine can become very hot when
in operation, and doing so could result
in severe burns.
• When checking the trimmer to make
sure that it is okay before using it,
check the area around the muffler and
remove any wood chips or leaves which
have attached themselves to the
trimmer. Note that failing to do so could
cause the muffler to become
overheated, and that this in turn could
cause the trimmer to catch on fire.
Always make sure that the muffler is
clean and free of wood chips, leaves,
and other waste before use.
2. Tighten all screws, bolts, and fittings.
3. Check to see if any oil or grease has
worked its way in between the clutch lining
and drum, and if it has wipe it away using
oil-free, lead-free gasoline.
Check the intake air cooling vent and the
area around the cylinder cooling fins after
every 25 hours of use for blockage, and
remove any waste which has attached itself
to the trimmer. Note that it is necessary to
remove the plug guard shown in Figure 20 in
order to be able to view the upper part of the
cylinder.
IMPORTANT
If waste gets stuck and causes blockage
around the intake air cooling vent or
between the cylinder fins, it may cause the
engine to overheat, and that in turn may
cause mechanical failure on the part of the
trimmer.
16
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Maintenance
■MUFFLER
■SPARK ARRESTER
• The muffler is equipped with a spark
arrester to prevent red hot carbon from
flying out of the exhaust outlet. Periodically
inspect and clean as necessary with a wire
brush. In the State of California it is
required by law (Section 4442 of the
California Public Resources Code) to equip
a spark arrester when a gas powered tool
is used in any forest covered, brush
covered, or grass covered unimproved
land.
WARNING
• Inspect periodically, the muffler for loose
fasteners, any damage or corrosion. If any
sign of exhaust leakage is found, do not
use the trimmer and have it repaired
immediately.
• Note that failing to do so may result in
the engine catching on fire.
Storage
BEFORE STORING THE TRIMMER
1.Drain a fuel tank and push the primer bulb
until it becomes empty of fuel.
2.Remove the spark plug and drop a
spoonful of 2-cycle oil into the cylinder.
Pull the starter rope several time and
replace the plug.
17
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Parts List : LRT2300
Fig.1 TRIMMER GROUP
18
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LRT2300
Fig.1 TRIMMER GROUP
Key#
Description
Part Number
Q'ty Key#
Description
Part Number
Q'ty
1
2
3
4
5
6
7
8
9
HOUSING, ASS’Y
CUSHION
BRACKET (A)
BRACKET (B)
BOLT
6460-11002
6470-31230
6460-31210
6460-31220
01252-30514
01252-30530
6460-12111
04065-02812
06004-06001
04064-01210
6468-91150
6460-17100
9366-17110
6460-17120
0263-90525
181124
1
1
1
1
1
2
1
1
1
1
4
1
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
2
1
3
1
2
1
1
1
1
1
1
1
2
1
1
4
2
1
4
3
2
1
1
2
53 NUT M6
54 SHAFT KIT
55 NUT M6
56 SHAFT
57 GEAR(B)
58 GEAR(C)
59 BOSS
60 SPRING
61 PLATE
3880-11790
T4008-06010
0280-10605
N/A
N/A
T4008-13630
N/A
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
BOLT
DRUM, clutch
SNAP, ring
BEARING
T4008-13650
T4008-13660
T4008-13670
T4008-13680
6782-13650
6598-13430
04065-02212
6598-13620
04065-02612
06004-06000
6782-13710
6598-13130
0225-10612
6782-13720
0263-00510
0225-10525
0291-20510
6782-13810
6598-13820
6782-13830
04065-02212
6782-13850
6598-13330
6598-13860
6598-13870
0263-10408
6782-13910
6462-14100
6462-14310
6462-14320
0263-90535
180773
10 SNAP, ring
11 BOLT
12 HANGER comp.
13 HANGER
14 CLAMP
62 WASHER
63 WASHER
64 WASHER 6x15x2.0
65 BEARING
66 SNAP RING
67 O-RING
68 SNAP RING
69 BEARING
70 CASING B
71 WASHER 6x16x2.0
72 BOLT M6x12
73 WASHER
74 SCREW M5x10
75 BOLT M5x25
76 WASHER M5
77 JOINT
78 GEAR SHAFT B
79 BEARING
80 SNAP RING
81 BEVEL GEAR
82 SNAP RING
83 PACKING
84 COVER
85 SCREW M4x8
86 BLADE COVER
87 HANDLE ASS'Y
88 HANDLE
15 SCREW
16 LEVER ASS'Y
17 THROTTLE lever
18 SCREW
19 SCREW
20 SPRING
21 STOP switch
22 CORD, red
23 CORD, black
24 CABLE COMP.
25 BOLT M6x20
26 WASHER M6
27 WASHER 6x6x2.0
28 ANGLE ADJUSTER
29 BOLT M6x12
30 CASING
31 GREESE FITTING
32 LABEL
33 SCREW M4x8
34 COVER
35 SNAP RING
36 BEVEL GEAR
37 SNAP RING
38 BEARING
39 CRANK SHAFT
40 SNAP RING
41 BLADE
42 BEARING
43 COVER
44 BOLT M4x8
45 FELT
46 SCREW
47 WASHER
180975
145569
180974
610314
180252
180768
180769
6872-13110
0290-20615
6598-13130
6782-13140
0225-10612
6782-13210
3199-13350
6782-13250
0263-10408
6598-13320
6598-13330
6782-13340
04065-02612
06004-06000
6782-13370
04064-02815
6782-13410
6782-13430
6782-13440
0225-10408
6782-13460
3884-11750
3880-11780
6598-13510
6598-13530
6782-13540
6782-13550
6782-14470
89 CLAMP
90 SCREW M5x35
91 GOGGLE
92 STRAP ASS'Y
93 TOOL KIT
94 SCREWDRIVER
95 SOCKET
96 WRENCH
97 BAR
98 SPANNER
99 GRIP
160197
3550-91000
1030-91340
3239-91310
09007-00425
3540-91110
3540-91120
180770
48 SCREW
100 PIPE comp.
101 SHAFT
102 DECAL
180771BC
3520-12212
49 SCREW M5x20
50 GUIDE PLATE
51 PLATE
52 NUT M5
19
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Parts List : LRT2300
Fig.2 ENGINE GROUP
20
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LRT2300
Fig.2 ENGINE GROUP
Key#
Description
Part Number
Q'ty Key#
Description
Part Number
Q'ty
1
2
3
4
5
6
7
8
9
CYLINDER
GASKET, base
BOLT
5580-12110
5500-12212
1850-12130
5500-13162
5500-13121
5500-13131
0263-90520
5850-15100
—————
1601-15120
01252-30550
5910-15211
5500-15220
0263-90416
5500-21100
5500-21141
06030-06001
2169-21210
1850-21220
04065-02812
01252-30530
5600-41111
1100-41210
1101-41310
1260-41320
1140-41330
1101-41340
5500-42001
1650-43230
1000-43240
1140-51111
1140-51250
1970-51221
1140-51230
1970-51241
5501-71110
5501-71201
5500-71220
2616-71320
1900-72111
1900-72120
5500-72130
1260-71261
3310-72150
5500-75100
5500-75110
1850-75120
1850-75130
1850-75151
1850-75160
1140-75320
5500-75170
1850-75201
1850-75221
1850-75230
0263-90416
5501-81000
1
1
2
1
1
1
2
1
—
1
2
1
1
1
1
1
2
1
1
1
4
1
2
1
2
1
2
1
1
1
2
2
1
2
2
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
4
1
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
SCREW
BRACKET
RING
SWIVEL
VALVE ASS'Y
SCREW, adjuster
NUT, adjuster
RING
O-RING
JET
DIAPHRAGM
GASKET, pump
DIAPHRAGM, pump
BODY, pump
SCREEN
GASKET, diaphragm
BODY, purge
PUMP, priming
COVER, pump
SCREW
1752-81110
5500-81120
1751-81130
1881-81140
—————
1918-81170
1751-81180
1881-81130
1751-81240
5500-81251
3310-81260
1065-81410
1065-81420
1850-81450
3306-81380
1850-81470
1850-81490
1751-81510
1850-81520
1850-81530
0263-90560
5500-82102
—————
1970-82190
5500-82131
5500-82140
2630-33610
5500-82171
5600-82202
5500-82221
5500-82230
5501-31111
0263-90520
5580-32112
1850-32160
1900-31410
5500-32210
0263-90514
5602-73110
1852-72121
5501-73201
5500-85004
5601-85200
5500-85220
5601-85230
5600-85240
5600-85250
5500-85300
5500-85400
1260-85460
5500-85510
1950-86120
5550-91120
—————
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
4
2
1
—
2
1
1
1
1
1
1
1
1
4
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
—
INSULATOR
GASKET, insulator
GASKET, carburetor
SCREW
MUFFLER ASS'Y
—————
ARRESTER
BOLT
GASKET, muffler
PLATE, muffler
SCREW
CRANKCASE COMP.
GASKET, case
BEARING
OIL SEAL
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
OIL SEAL
SNAP RING
SCREW
PISTON
RING
SCREW
BODY ASS'Y
—————
SLEEVE
PLATE, choke
LEVER, choke
SCREW
ELEMENT
COVER ASS'Y
KNOB
RING
COVER, fan
SCREW
COVER, engine
SCREW
SCREW
PIN
SNAP RING
BEARING
WASHER
CRANKSHAFT COMP.
NUT
KEY
SHOE, clutch
SCREW
SPRING
WASHER
WASHER
ROTOR
COIL ASS'Y
CORD
CAP
CAP, plug
SPRING
GROMMET
SPACER
GUARD, plug
SCREW
SPARK PLUG
GROMMET
CORD COMP.
TANK ASS'Y
100 CAP ASS'Y
101 PACKING
102 HOLDER
103 CAP, holder
104 VALVE
105 PIPE COMP.
106 FILTER ASS'Y
107 CLIP
108 SCREW
109 CLIP
110 LABEL, recoil
111 —————
BOLT
RECOIL ASS'Y
CASE COMP.
REEL
SPRING, spiral
SCREW
ROPE
KNOB
PLATE, stopper
PULLEY ASS'Y
RATCHET
SPRING
SCREW
CARBURETOR ASS'Y
21
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CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
THE CALIFORNIA AIR RESOURCES BOARD AND KOMATSU ZENOAH Co. ARE PLEASED TO
EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR 1995 AND LATER LAWN AND
GARDEN EQUIPMENT ENGINE. IN CALIFORNIA, NEW UTILITY AND LAWN AND GARDEN
EQUIPMENT ENGINES MUST BE DESIGNED, BUILT AND EQUIPPED TO MEET THE STATE'S
STRINGENT ANTI-SMOG STANDARDS.
KOMATSU ZENOAH Co, MUST WARRANT THE EMISSION CONTROL SYSTEM ON YOUR LAWN AND
GARDEN EQUIPMENT ENGINE FOR THE PERIODS OF TIME LISTED BELOW PROVIDED THERE HAS
BEEN NO ABUSE, NEGLECT OR IMPROPER MAINTENANCE OF YOUR LAWN AND GARDEN
EQUIPMENT ENGINE.
YOUR EMISSION CONTROL SYSTEM. MAY INCLUDE PARTS SUCH AS THE CARBURETOR, THE
IGNITION SYSTEM, AND CATALYTIC CONVERTER. ALSO INCLUDED MAY BE THE HOSES, BELTS,
CONNECTORS AND OTHER EMISSION-RELATED ASSEMBLIES.
WHERE A WARRANTABLE CONDITION EXISTS, KOMATSU ZENOAH Co. WILL REPAIR YOUR LAWN
AND GARDEN EQUIPMENT ENGINE AT NO COST TO YOU INCLUDING DIAGNOSIS, PARTS AND
LABOR.
MANUFACTURER'S WARRANTY COVERAGE:
THE 1995 AND LATER UTILITY AND LAWN AND GARDEN EQUIPMENT ENGINES ARE
WARRANTED FOR TWO YEARS. IF ANY EMISSION-RELATED PART ON YOUR ENGINE IS
DEFECTIVE, THE PART WILL BE REPAIRED OR REPLACED BY KOMATSU ZENOAH Co.
OWNER'S WARRANTY RESPONSIBILITIES:
—AS THE LAWN AND GARDEN EQUIPMENT ENGINE OWNER, YOU ARE RESPONSIBLE FOR
THE PERFORMANCE OF THE REQUIRED MAINTENANCE LISTED IN YOUR OWNER'S
MANUAL. KOMATSU ZENOAH Co. RECOMMENDS THAT YOU RETAIN ALL RECEIPTS
COVERING MAINTENANCE ON YOUR LAWN AND GARDEN ENGINE, BUT KOMATSU
ZENOAH Co. CAN NOT DENY WARRANTY SOLELY FOR THE LACK OF RECEIPTS OR FOR
YOUR FAILURE TO ENSURE THE PERFORMANCE OF ALL SCHEDULED MAINTENANCE.
—AS THE LAWN AND GARDEN EQUIPMENT ENGINE OWNER, YOU SHOULD BE AWARE,
HOWEVER, THAT KOMATSU ZENOAH Co. MAY DENY YOU WARRANTY COVERAGE IF
YOUR LAWN AND GARDEN EQUIPMENT ENGINE OR A PART HAS FAILED DUE TO ABUSE,
NEGLECT, IMPROPER MAINTENANCE OR UNAPPROVED MODIFICATION.
—YOU ARE RESPONSIBLE FOR PRESENTING YOUR LAWN AND GARDEN EQUIPMENT
ENGINE TO A KOMATSU ZENOAH Co. DISTRIBUTION CENTER AS SOON AS A PROBLEM
EXISTS. THE WARRANTY REPAIRS SHOULD BE COMPLETED IN A REASONABLE AMOUNT
OF TIME, NOT TO EXCEED 30 DAYS.
IF YOU HAVE ANY QUESTIONS REGARDING YOU WARRANTY RIGHTS AND RESPONSIBILITIES,
YOU SHOULD CONTACT KOMATSU ZENOAH AMERICA INC. AT (770)-381-5147.
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RedMax LONG REACH TRIMMER
MODEL LRT2300
2-YEAR LIMITED WARRANTY
EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE MODEL
LRT2300 UNIT, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR
OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR
PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP. EMISSION-RELATED PARTS ARE:
THE CARBURETOR ASSY, COIL ASSY, ROTOR, SPARK PLUG,
AIR FILTER, FUEL FILTER, INTAKE MANIFOLD, AND THE GASKETS
ALL OTHER PARTS EXCEPT ABOVE PARTS, FOR TWO (2) YEARS OF HOME USE [ ONE (1) YEAR FOR ANY OTHER
USE ] FROM THE DATE OF ORIGINAL ANY DELIVERY OF THE MODEL LRT2300 UNIT, THE COMPANY, THROUGH
ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL PUSHCHASER, ANY
PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP. THIS IS THE EXCLUSIVE
REMEDY.
THE PURCHASER SHALL BEAR COSTS OF TRANSPORTING THE UNIT TO AND FROM THE RedMax DEALER.
THE PURCHASER SHALL NOT BE CHARGED FOR DIAGNOSTIC LABOR WHICH LEADS TO THE DETERMINATION
THAT A WARRANTED PART ID DEFECTIVE, IF THE DIAGNOSTIC WORK IS PERFORMED AT THE RedMax DEALER.
THE PURCHASER OR OWNER IS RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTENANCE AS
DEFINED BY THE MANUFACTURER IN THE OWNER/OPERATOR MANUAL.
ANY WARRANTED PART WHICH IS NOT SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE, OR
WHICH IS SCHEDULED ONLY FOR REGULAR INSPECTION TO THE EFFECT OF "REPAIR OR REPLACE AS
NECESSARY" SHALL BE WARRANTED FOR THE WARRANTY PERIOD. ANY WARRANTED PART WHICH IS
SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PERIOD OF
TIME UP TO THE FIRST SCHEDULED REPLACEMENT POINT FOR THAT PART.
ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON-
WARRANTY MAINTENANCE OR REPAIRS, AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE
COMPANY.
THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAILURE OF A
WARRANTED PARTS STILL UNDER WARRANTY.
THIS WARRANTY DOES NOT APPLY TO THOSE UNITS WHICH HAVE BEEN DAMAGED BY NEGLIGENCE OF
INSTRUCTION LISTED IN THE OWNER/OPERATOR MANUAL FOR PROPER USE AND MAINTENANCE OF THE UNITS,
ACCIDENT MISHANDLING, ALTERATION, ABUSE, IMPROPER LUBRICATION. USE OF ANY PARTS OR ACCESSORIES
OTHER THAN THOSE SPECIFIED BY THE COMPANY, OR OTHER CAUSES BEYOND THE COMPANY'S CONTROL.
THIS WARRANTY DOES NOT COVER THOSE PARTS REPLACED BY NORMAL WEAR OR HARMLESS CHANGES IN
THEIR APPEARANCE.
THERE ARE NO OTHER EXPRESS WARRANTIES.
IMPLIED WARRANTIES INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE LIMITED TO TWO (2) YEARS OF HOME USE [ONE (1) YEAR FOR ANY OTHER USE] FROM THE ORIGINAL
DELIVERY DATE.
LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGE UNDER ANY AND ALL WARRANTIES
ARE EXCLUDED.
SOME STATES DO NOT ALLOW LIMITATION ON HOW LONG AN IMPLIED WARRANTY LASTS OR EXCLUSION OR
LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY
NOT APPLY TO YOU.
THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY
FROM STATE TO STATE.
IF YOU NEED TO OBTAIN INFORMATION ABOUT THE NEAREST SERVICE CENTER, PLEASE CALL KOMATSU
ZENOAH AMERICA INC. AT (770)-381-5147.
IMPORTANT: YOU WILL RECEIVE A WARRANTY REGISTRATION CARD AT TIME OF PURCHASE. PLEASE FILL
OUT THE CARD AND SEND IT TO RedMax / KOMATSU ZENOAH AMERICA WITHIN SEVEN (7) DAYS. BE SURE TO
KEEP A COPY FOR YOUR RECORDS.
KOMATSU ZENOAH AMERICA INC.
1505 Pavilion Place Suite A
Norcross, Georgia 30093
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KOMATSU ZENOAH AMERICA INC.
1505 Pavilion Place Suite A
Norcross, Georgia 30093
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