Zenoah CHT2300L, HT2300L, HT2300A, CHT2300B User Manual
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
WARNING
OWNER/OPERATOR MANUAL
HEDGE-TRIMMERS
HT2300A
HT2300L
CHT2300B
CHT2300L
Thank you for purchasing a RedMax
product.
Before using our hedge-trimmers,
please read this manual carefully to
understand the proper use of your unit.
6833-93112(103)
HT2300A CUTTING UNIT 900532 and up ENGINE UNIT 968060 and up
HT2300L CUTTING UNIT 900101 and up ENGINE UNIT 968060 and up
CHT2300B CUTTING UNIT 901223 and up ENGINE UNIT 972833 and up
CHT2300L CUTTING UNIT 900504 and up ENGINE UNIT 972833 and up
APPLICABLE SERIAL NUMBERS :
Read this manual carefully to understand all
safety precautions, controls, proper operation
and maintenance of your RedMax hedgetrimmers. Failure to do so could result in
serious injury.
Instructions labeled as shown at left, concern critical steps or
procedures which must be followed in order to prevent accidents
which could lead to serious bodily injury or death.This mark is
used to indicate instructions which must be followed without
exception.
Instructions labeled as shown at left concern steps or procedures
which, if not followed correctly, could lead to mechanical failure,
breakdown, or damage.
Used to label supplementary instructions designed to provide
hints or directions useful in the use of the product.
WARNING
IMPORTANT
NOTE
SAFETY FIRST
Instructions contained in warnings within this manual marked with a symbol
concern critical points which must be taken into consideration to prevent
possible serious bodily injury, and for this reason you are requested to read all
such instructions carefully and follow them without fail.
Note that there may be times when warning seals peel off or become soiled and
impossible to read. If this happens, you should contact the dealer from which
you purchased the product to order new seals and affix the new seal(s) in the
required location(s).
■ Notes on types of warnings
CONTENTS
SAFETY PRECAUTIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 2
PROPER AND SAFE OPERATION OF YOUR HEDGE-TRIMMER
WORK GEAR AND CLOTHING
WARNINGS CONSIDERING HANDLING OF FUEL
THINGS TO CHECK BEFORE USING YOUR HEDGE-TRIMMER
THINGS TO CHECK BEFORE STARTING UP THE ENGINE
AVOID NOISE PROBLEM
THINGS TO BE CAREFUL ABOUT WHEN USING YOUR HEDGE-TRIMMER
NOTES ON CARE AND MAINTENANCE OF YOUR HEDGE-TRIMMER
SET UP · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 7
HT2300A/HT2300L
CHT2300B/CHT2300L
FUEL · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 9
HOW TO MIX FUEL
FUELING THE UNIT
OPERATION · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 10
STARTING ENGINE
STOPPING ENGINE
ADJUSTING IDLING SPEED
HOW TO USE
MAINTENANCE · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 12
DAILY INSPECTION
GEAR CASE
AIR FILTER
FUEL FILTER
SPARK PLUG
MUFFLER
SPARK ARRESTER
INTAKE AIR COOLING VENT
PROCEDURES TO BE PERFORMED AFTER EVERY 100 HOURS OF USE
STORAGE · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 14
SPECIFICATIONS · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 15
PARTS LIST · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 17
❲2❳
■
IN ORDER TO ENSURE PROPER AND SAFE
OPERATION OF YOUR HEDGE-TRIMMER
• 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.
• 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
hedge-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 hedge-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 hedge-trimmer.
Safety Precautions
• Avoid running the engine indoors. The
exhaust gases contain harmful carbon
monoxide.
• Never use your hedge-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 hedge-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 hedge-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.
• When using this product for the first time,
before beginning actual work, take the
hedge-trimmer to a wide, clear, open
space, turn on the power, and practice
handling the hedge-trimmer until you are
sure that you will be able to handle in it
properly in actual operation.
• 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
hedge-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.
•Read this 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.
• 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.
Safety Precautions
■WORK GEAR AND CLOTHING
•When using your hedge-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.
• Always be sure to wear and helmet and
face protector when using your hedgetrimmer.
•When using your hedge-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
hedge-trimmer when wearing pants with
loose cuffs, when wearing sandals, or
when barefoot.
• When using your hedge-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.
■
WARNINGS CONSIDERING HANDLING OF FUEL
• The engine of the RedMax hedge-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 hedge-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.
•Smoking while operating the hedge-trimmer
or refilling its fuel tank is extremely
dangerous. Always be sure to keep lit
cigarettes away from the hedge-trimmer at
all times.
• 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 hedgetrimmer before turning the engine back on
again.
• After refueling, screw the fuel cap back
tightly onto the fuel tank and then carry the
hedge-trimmer to a spot 10 feet or more
away from where it was refueled before
turning on the engine.
❲3❳
❲4❳
Safety Precautions
■
THINGS TO CHECK BEFORE USING YOUR
HEDGE-TRIMMER
•Before beginning work, look around
carefully to get a feel for the shape of the
land, the trees, or hedges 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.
• The area within a perimeter of 50 feet
(15m) of the person using the hedgetrimmer should be considered a hazardous
area into which no one should enter while
the hedge-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 hedge-trimmers within the work area
so as to maintain a distance between each
person sufficient to ensure safety.
•Before beginning work, each component of
the hedge-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
hedge-trimmer.
• Never use the hedge-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 to make sure that the handle grip
and the protective cover have not come
loose before using the hedge-trimmer.
■
THINGS TO CHECK BEFORE STARTING
UP THE ENGINE
• Take a careful look around to make sure
that no obstacles exist within a perimeter of
15 feet (5m) or less around the hedgetrimmer before starting the engine.
• The RedMax hedge-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
hedge-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 RedMax servicing dealer
for repair.
■AVOID NOISE PROBLEM
Check and follow the local regulations
as to sound level and hours of
operations for hedge-trimmer.
•In general, operate hedge-trimmers
between 8a.m.and 5p.m.on week days and
9a.m.to 5p.m.weekends. Avoid using
hedge-trimmer late at night and/or early in
the morning.
NOTE
• 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 in operation or immediately after
shutting down the engine. These metallic
parts reach high temperatures during
operation and doing so could result in
serious burns.
• 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 hedgetrimmer so that the blades face away from
your body before carrying it to the new
location.
• Never transport the hedge-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.
Safety Precautions
■
THINGS TO BE CAREFUL ABOUT WHEN
USING YOUR HEDGE-TRIMMER
• When using your hedge-trimmer, grip the
handles of the hedge-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.
• 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.
• Guard against hazardous situations at all
times. Warn adults to keep pets and
children away from the area. Establish a
safe method for gaining your attention
during operation. Be careful if you are
approached.
• 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.
•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.
❲5❳
Safety Precautions
❲6❳
■
NOTES ON CARE AND MAINTENANCE OF
YOUR HEDGE-TRIMMER
• In order to maintain your hedge-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 hedge-trimmer or alter it in
any way. Doing so might result in the
hedge-trimmer becoming damaged during
operation or the hedge-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.
• 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 hedge-trimmer.
• Do not use any accessory or attachment
other than those bearing the RedMax mark
and recommended for the unit.
Set up
■HT2300A/HT2300L
1. Join the engine unit to the clutch housing
of the cutter unit, with the fuel tank on the
blade side.
2. Align the mounting holes and tighten the
engine securely with the 3 screws.
3.Remove the right handle mounting screw,
nut, and washer casually attached on the
blade beam.
4. Set the right handle on the beam making
the grip come to the opposite side of the
cutting teeth, and attach with the hardware
removed before. When fastening the nut,
hold the screw to keep the blade washer
loose.
• To assure designed cutting performance,
always keep a half spare turn for the blade
screws. It will cause blade seizure and
premature wear of the clutch system if they
are too tight. Too loose screws will make
the gap between the blades large, and
result in poor cutting performance.
NOTE
5. Install the left handle to the bracket
attached to the clutch housing. Use the
hardware as shown below.
6. Attach the throttle lever and the engine
stop switch to the left handle, and connect
the throttle cable and the switch wire. Put
the rubber cap onto the switch button.
Hold the wires at the lower part of the
handle using the tie band.
7. Check the cable play and, if necessary,
adjust between .04" and .08" (1~2mm) by
bending throttle wire receiver of the
bracket with a nipper.
❲7❳
❲8❳
■CHT2300B/CHT2300L
1.Attach the engine to the clutch housing of
the cutter unit. Casually fix the front 2
points with the screws(.55" long)(15mm
long).
2. After connecting the ground wire, install
the rear handle to the clutch housing with
the screw(2" long)(50mm long) and the
nut.
3. Put the screw(1.6" long)(40mm long)
through the ground wire terminal and the
rear handle, and in to the engine mounting
base. Securely tighten all of the engine
mounting screws.
4. Attach the front handle onto the gear
housing and fasten with 2 screws(1.2"
long)(30mm long) and nuts.
5. Connect the throttle cable with the lever
on the rear handle, and secure the end
with the hardware attached to the handle.
6. Check the cable play and, if necessary,
adjust between .04" and .08" (1~2mm) by
bending throttle wire receiver of the
bracket with a nipper.
Set up
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