Homelite UT43102 Le manuel du propriétaire

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Tronçonneuses électriques
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Le manuel du propriétaire

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SAVE THIS MANUAL FOR FUTURE REFERENCE
Your electric chain saw has been engineered and manufactured to Homelite’s high standard for dependability, ease of
operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using
this product.
Thank you for buying a Homelite product.
Cette scie à chaîne électrique a été conçue et fabriquée conformément
aux strictes normes de fiabilité, simplicité d’emploi et sécurité
d’utilisation de Homelite. Correctement entretenue, elle vous donnera
des années de fonctionnement robuste et sans problème.
AVERTISSEMENT : Pour réduire les risques de
blessures, l’utilisateur doit lire et veiller à bien comprendre le
manuel d’utilisation avant d’employer ce produit.
Merci d’avoir acheté un produit Homelite.
Su motosierra eléctrica ha sido diseñada y fabricada de conformidad
con las estrictas normas de Homelite para brindar fiabilidad, facilidad
de uso y seguridad para el operador. Con el debido cuidado, le
brindará muchos años de sólido y eficiente funcionamiento.
ADVERTENCIA: Para reducir el riesgo de lesiones,
el usuario debe leer y comprender el manual del operador antes
de usar este producto.
Le agradecemos la compra de un producto Homelite.
CONSERVER CE MANUEL POUR
FUTURE RÉFÉRENCE
GUARDE ESTE MANUAL PARA
FUTURAS CONSULTAS
OPERATOR’S MANUAL
MANUEL D’UTILISATION
MANUAL DEL OPERADOR
UT43102 / 14 in. Electric Chain Saw
Scie à chaîne électrique de 356 mm (14 po)
Motosierra eléctrica de 356 mm (14 pulg.)
UT43122 / 16 in. Electric Chain Saw
Scie à chaîne électrique de 406 mm (16 po)
Motosierra eléctrica de 406 mm (16 pulg.)
ALL VERSIONS
TOUTES LES VERSIONS
TODAS LAS VERSIONES
To register your Homelite product,
please visit:
http://register.homelite.com/
Pour enregistrer votre produit de
Homelite, s’il vous plaît la visite:
http://register.homelite.com/
Para registrar su producto de Homelite,
por favor visita:
http://register.homelite.com/
Page / Página 2
Introduction .......................................................................................................................................2
Introduction / Introducción
General Safety Rules ..................................................................................................................... 3-6
Règles de sécurité générales / Reglas de seguridad generales
Symbols ........................................................................................................................................ 7-8
Symboles / Símbolos
Electrical ............................................................................................................................................ 9
Caractéristiques électriques / Aspectos eléctricos
 Glossary of Terms ............................................................................................................................10
Glossaire / Glosario de términos
 Features ..................................................................................................................................... 11-12
Caractéristiques / Características
 Assembly ................................................................................................................................... 12-13
Assemblage / Armado
Operation ................................................................................................................................... 14-22
Utilisation / Funcionamiento
Maintenance .............................................................................................................................. 23-30
Entretien / Mantenimiento
Bar and Chain Combinations ..........................................................................................................31
Vue éclatée et liste des pièces / Vista desarrollada y lista de piezas
Troubleshooting ............................................................................................................................... 31
Dépannage / Corrección de problemas
Warranty ..........................................................................................................................................32
Garantie / Garantía
Parts Ordering and Service ............................................................................................... Back Page
Commande de pièces et réparation / Pedidos de piezas y servicio ......................................................... Page arrière / Pág. posterior
TABLE OF CONTENTS
TABLE DES MATIÈRES / ÍNDICE DE CONTENIDO
This product has many features for making its use more pleasant and enjoyable. Safety, performance,
and dependability have been given top priority in the design of this product making it easy to maintain
and operate.
* * *
Ce produit offre de nombreuses fonctions destinées à rendre son utilisation plus plaisante et satisfai-
sante. Lors de la conception de ce produit, l’accent a été mis sur la sécurité, les performances et la
fiabilité, afin d’en faire un outil facile à utiliser et à entretenir.
* * *
Este producto ofrece numerosas características para hacer más agradable y placentero su uso. En el
diseño de este producto se ha conferido prioridad a la seguridad, el desempeño y la fiabilidad, por lo
cual se facilita su manejo y mantenimiento.
INTRODUCTION
INTRODUCTION / INTRODUCCIÓN
Page 3 — English
GENERAL SAFETY RULES
WARNING:
Do not attempt to operate this unit until you
have read thoroughly and understand com-
pletely all instructions, safety information, etc.
contained in this manual. Failure to comply can
result in accidents involving fire, electric shock,
or serious personal injury.
READ ALL INSTRUCTIONS
BASIC SAFETY PRECAUTIONS
Do not start cutting until you have a clear work area,
secure footing, and a planned retreat path from
the falling tree. Cluttered areas invite accidents.
Keep ALL children, bystanders, visitors, and
animals out of the work area while starting or
cutting with the chain saw. Do not let visitors
contact chain saw or extension cord.
Do not operate chain saw in explosive atmo-
spheres, such as in the presence of flammable
liquids, gases, or dust. Chain saws create
sparks which may ignite the dust or fumes.
WARNING: Use outdoor extension cords
marked SW-A, SOW-A, STW-A, STOW-A,
SJW-A, SJTW-A, or SJTOW-A. These cords
are rated for outdoor use and reduce the risk
of electric shock.
Polarized Plugs. To reduce the risk of electric
shock, this tool has a polarized plug (one blade
is wider than the other). This plug will fit in a
polarized outlet only one way. If the plug does
not fit fully in the outlet, reverse the plug. If it
still does not fit, contact a qualified electrician
to install the proper outlet. Do not change the
plug in any way.
Make sure your extension cord is in good condi-
tion. When using an extension cord, be sure to
use one heavy enough to carry the current your
product will draw. A wire gauge size (A.W.G.)
of at least 14 is recommended for an extension
cord 50 feet or less in length. A cord exceeding
100 feet is not recommended. If in doubt, use
the next heavier gauge. The smaller the gauge
number, the heavier the cord. An undersized
cord will cause a drop in line voltage resulting
in loss of power and overheating.
Inspect extension cords periodically and, if
damaged, have repaired by a licensed electri-
cian. Constantly stay aware of cord location.
Following this rule will reduce the risk of electric
shock or fire.
Dress Properly - Wear snug fitting clothing.
Always wear heavy, long pants, long sleeves,
overalls, jeans or chaps made of cut resistant
material or ones that contain cut resistant
inserts. Wear non-slip safety footwear. Wear
non-slip heavy duty gloves to improve your
grip and to protect your hands. Do not wear
jewelry, short pants, sandals, or go barefoot.
Do not wear loose fitting clothing, which could
be drawn into the motor or catch the chain or
underbrush. Secure hair so it is above shoulder
level. Wear hearing and head protection.
Heavy protective clothing may increase operator
fatigue, which could lead to heat stroke. During
weather that is hot and humid, heavy work should
be scheduled for early morning or late afternoon
hours when temperatures are cooler.
Always wear eye protection with side shields
marked to comply with ANSI Z87.1 as well as
hearing and head protection when operating
this equipment.
Always be aware of what you are doing when
using the chain saw. Use common sense. Do
not operate the chain saw when you are tired, ill,
upset, or under the influence of alcohol, drugs,
or medication.
Do not expose the chain saw to rain.
Do not use the chain saw in damp or wet locations.
Always be aware of extension cord while oper-
ating chain saw. Take precautions to avoid
tripping over cord. Keep cord away from chain
and operator at all times. Never carry saw by
the cord or pull it to disconnect from receptacle.
Keep cord from oil and sharp edges.
Stay alert and pay attention to what you are
doing. Use common sense when using this unit.
Keep all parts of your body away from the saw
chain when the unit is running.
Always carry the chain saw by the front handle
with the unit unplugged and the guide bar
and saw chain positioned to the rear. When
transporting your chain saw, use the appropriate
guide bar scabbard.
Page 4 — English
Never let anyone use your chain saw who has
not received adequate instructions in its proper
use. This applies to rentals as well as privately
owned saws.
Before you start the unit, make sure the saw
chain is not contacting any object.
Stop the chain saw before setting it down.
To avoid accidental starting, never carry the unit
with your finger on the switch trigger.
Maintain the unit with care. Keep the cutting
edge sharp and clean for best performance and
to reduce the risk of injury. Follow instructions
for lubricating and changing accessories.
Keep handles dry, clean, and free of oil and
grease.
Do not operate a chain saw with one hand! Use
a firm grip with thumbs and fingers encircling the
chain saw handles. Serious injury to the opera-
tor, helpers, bystanders, or any combination
of these persons may result from one-handed
operation. A chain saw is intended for two-
handed use.
Guard against electric shock - Avoid body
contact with grounded surfaces such as metal
pipes and wire fences. There is an increased
risk of electric shock if your body is grounded.
Do not operate a chain saw that is damaged,
improperly adjusted, or not completely and
securely assembled. Chain should slow to a
stop when the switch trigger is released. If the
chain continues to turn after the switch trigger
has been released, have the unit serviced by
your nearest Homelite service dealer.
Check for damaged parts. Check for alignment
of moving parts, binding of moving parts, break-
age of parts, mounting, and any other condi-
tions that may affect its operation. A guard or
other part that is damaged should be properly
repaired or replaced by an authorized service
dealer unless otherwise indicated elsewhere in
this manual.
All chain saw service, other than the items listed
in the operation and maintenance sections,
should be performed by your nearest Homelite
service dealer.
Always maintain a proper stance.
GENERAL SAFETY RULES
Do not use chain saw if switch does not turn it
on and off. Have defective switch replaced by
authorized service center.
Do not adapt your powerhead to a bow guide
or use it to power any attachments or devices
not listed for the saw.
Disconnect chain saw from power supply when
not in use, before servicing, and when making
adjustments and changing attachments, such
as saw chain and guard.
Do not cut vines and/or small underbrush.
Do not operate a chain saw in a tree, on a ladder,
rooftop, or scaffold; this is extremely dangerous.
NOTE: The size of the work area depends on
the job being performed as well as the size tree
or work piece involved. For example, felling a
tree requires a larger work area than making
bucking cuts.
Use extreme caution when cutting small size
brush and saplings, because small material may
catch the saw chain and be whipped toward you
or pull you off balance.
When cutting a limb that is under tension, be
alert for spring back so that you will not be
struck when the tension in the wood fibers is
released.
Do not force the chain saw. The job can be
performed better and safer at the rate for which
it was intended.
Always use the right product for your applica-
tion. The chain saw should be used for cutting
wood only. Never use the chain saw to cut
plastic, masonry or non-wood building materi-
als.
Do not use the chain saw for purposes not
intended.
Store chain saw when not in use. Chain saw
should be stored in a dry and high or locked
area out of the reach of children. When storing
chain saw place the scabbard on the bar and
chain and store the chain saw in carrying case.
Save these instructions. Refer to them fre-
quently and use them to instruct others who
may use this product. If you loan someone this
product, loan them these instructions also.
Page 5 — English
GENERAL SAFETY RULES
ROTATIONAL
KICKBACK
KICKBACK
DANGER ZONE
Fig. 2
Fig. 1
BAR SHOWN WITHOUT
SAFE-T-TIP
®
NOSE GUARD
FOR ILLUSTRATION
PURPOSES ONLY
KICKBACK
See Figures 1 - 2.
WARNING:
Kickback may occur when the moving chain
contacts an object at the upper portion of the
tip of the guide bar or when the wood closes in
and pinches the saw chain in the cut. Contact at
the upper portion of the tip of the guide bar can
cause the chain to dig into the object and stop
the chain for an instant. The result is a lightning
fast, reverse reaction which kicks the guide bar
up and back toward the operator. If the saw
chain is pinched along the top of the guide bar,
the guide bar can be driven rapidly back toward
the operator. Either of these reactions can cause
loss of saw control which can result in serious
injury. Do not rely exclusively upon the safety
devices built into the saw. As a chain saw user,
you should take several steps to keep your cut-
ting jobs free from accident or injury.
The following precautions should be followed
to minimize kickback:
1. Always grip the saw firmly with both hands.
Hold the saw firmly with both hands when the
unit is running. Place your right hand on the
rear handle and your left hand on the front
handle with your thumbs and fingers encircl-
ing the chain saw handles. A firm grip together
with a stiff left arm will help you maintain
control of the saw if kickback occurs.
2. Make sure that the area in which you are cut-
ting is free from obstructions. Do not let the
nose of the guide bar contact a log, branch,
fence, or any other obstruction that could be
hit while you are operating the saw.
3. Always cut with the unit running. Fully
squeeze the switch trigger and maintain
cutting speed.
4. Use replacement parts such as low kickback
chain, SAFE-T-TIP
®
anti-kickback nose
guards and special guide bars that reduce
the risks associated with rotational kickback.
Use only the replacement guide bars and low
kickback chains specified by the manufac-
turer for the saw.
With a basic understanding of kickback, you
can reduce or eliminate the element of surprise.
Sudden surprise contributes to accidents.
Do not overreach. Keep proper footing and
balance at all times.
Do not cut above shoulder height or overreach
when cutting. Do not let nose of guide bar con-
tact log, branch, ground, or other obstruction.
Keep the SAFE-T-TIP
®
anti-kickback nose guard
properly mounted on the guide bar to prevent
rotational kickback.
Follow the sharpening and maintenance instruc-
tions for the saw chain.
Push and Pull - This reaction force is always
opposite to the direction the chain is moving
where wood contact is made. Thus, the operator
must be ready to control the PULL when cutting
on the bottom edge of the bar, and PUSH when
cutting along the top edge. See Figure 3.
Page 6 — English
GENERAL SAFETY RULES
PULL
PUSH
Fig. 3
UNDERSTANDING YOUR CHAIN SAW
SAFETY DEVICES
See Figure 4.
SAFE-T-TIP
®
ANTI-KICKBACK NOSE
GUARD
The SAFE-T-TIP
®
prevents rotational kickback
from happening, because it covers the tip of the
bar where kickback is generated. Never attempt
any kind of cutting where the SAFE-T-TIP
®
would
have to be removed from the bar tip.
LOW KICKBACK SAW CHAIN
The rakers (depth gauges) ahead of each cutter
can minimize the force of a kickback reaction by
preventing the cutters from digging in too deeply
at the kickback zone. Only use replacement chain
that is equivalent to original chain or has been
certified as low kickback chain per ANSI B175.1.
Low kickback/skip tooth saw chain is a chain that
has met the kickback performance requirements
of ANSI B175.1 - 1991 (American National Stan-
dard for Power Tools - Gasoline-Powered Chain
Saws-Safety Requirements) when tested on the
representative sample of chain saws below 3.8
c.i.d. specified in ANSI B175.1 - 1991.
As saw chains are sharpened during their useful
life, they lose some of the low kickback qualities
and extra caution should be used.
GUIDE BARS
Generally, guide bars with small radius tips have
somewhat lower kickback potentials.
When making a replacement, be sure to order
one of the Homelite bars listed for the saw in this
operator’s manual. The proper size SAFE-T-TIP
®
nose guard comes installed on the bar. Use only
guide bars that have a provision for mounting the
SAFE-T-TIP
®
.
Fig. 4
SAFE-T-TIP
®
Page 7 — English
SYMBOLS
The following signal words and meanings are intended to explain the levels of risk associated with
this product.
SYMBOL SIGNAL MEANING
DANGER:
Indicates an imminently hazardous situation, which, if not
avoided, will result in death or serious injury.
WARNING:
Indicates a potentially hazardous situation, which, if not avoided,
could result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation, which, if not avoided,
may result in minor or moderate injury.
NOTICE:
(Without Safety Alert Symbol) Indicates important information
not related to an injury hazard, such as a situation that may
result in property damage.
Some of the following symbols may be used on this product. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the product better and safer.
SYMBOL NAME DESIGNATION/EXPLANATION
Safety Alert Indicates a potential personal injury hazard.
Read Operator’s Manual
To reduce the risk of injury, user must read and understand
operator’s manual before using this product.
Wear Eye, Hearing, and
Head Protection
Wear eye protection with side shields marked to comply with
ANSI Z87.1 as well as hearing and head protection when
operating this equipment.
Wet Conditions Alert Do not expose to rain or use in damp locations.
SAFE-T-TIP Nose Guard
The SAFE-T-TIP nose guard on the guide bar helps prevent
kickback.
Operate With Two Hands Hold and operate the saw properly with both hands.
One Handed Do not operate the saw using only one hand.
Kickback DANGER! BEWARE OF KICKBACK.
Bar Nose Contact Avoid bar nose contact.
Page 8 — English
SYMBOLS
Some of the following symbols may be used on this product. Please study them and learn their
meaning. Proper interpretation of these symbols will allow you to operate the product better and safer.
SYMBOL NAME DESIGNATION/EXPLANATION
Wear Gloves
Wear non-slip, heavy-duty protective gloves when handling
the chain saw.
Wear Safety Footwear Wear non-slip safety footwear when using this equipment.
Keep Bystanders Away Keep all bystanders and animals at least 50 ft. away.
V Volts Voltage
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
min Minutes Time
Alternating Current Type of current
Direct Current Type or a characteristic of current
n
o
No Load Speed Rotational speed, at no load
Class II Construction Double-insulated construction
.../min
Per Minute Revolutions, strokes, surface speed, orbits etc., per minute
Page 9 — English
Before using any extension cord, inspect it for loose
or exposed wires and cut or worn insulation.
A proper extension cord is available at an authorized
service center.
It is possible to tie the extension cord and power
cord in a knot to prevent them from becoming
disconnected during use. Make the knot as shown
in figure 5, then connect the plug end of the power
cord into the receptacle end of the extension cord.
This method can also be used to tie two extension
cords together.
DOUBLE INSULATION
Double insulation is a concept in safety in electric
power tools, which eliminates the need for the usual
three-wire grounded power cord. All exposed metal
parts are isolated from the internal metal motor
components with protecting insulation. Double
insulated tools do not need to be grounded.
WARNING:
The double insulated system is intended to
protect the user from shock resulting from a
break in the tool’s internal insulation. Observe
all normal safety precautions to avoid electrical
shock.
NOTE: Servicing of a product with double insulation
requires extreme care and knowledge of the system
and should be performed only by a qualified service
technician. For service, we suggest you return the
product to your nearest authorized service center
for repair. Always use original factory replacement
parts when servicing.
ELECTRICAL CONNECTION
This product has a precision-built electric motor.
It should be connected to a power supply that is
120V, AC only (normal household current), 60
Hz. Do not operate this product on direct current
(DC). A substantial voltage drop will cause a loss of
power and the motor will overheat. If the product
does not operate when plugged into an outlet,
double-check the power supply.
EXTENSION CORDS
See Figure 5.
When using a power tool at a considerable
distance from a power source, be sure to use
an extension cord that has the capacity to
handle the current the product will draw. An
undersized cord will cause a drop in line voltage,
resulting in overheating and loss of power. Use the
chart to determine the minimum wire size required
in an extension cord. Only round jacketed cords
listed by Underwriter’s Laboratories (UL) should
be used.
When working outdoors with a product, use an
extension cord that is designed for outside use.
This type of cord is designated with “W-A” or “W”
on the cord’s jacket.
FEATURES
ELECTRICAL
**Ampere rating (on product data plate)
0-2.0 2.1-3.4 3.5-5.0 5.1-7.0 7.1-12.0 12.1-16.0
Cord Length Wire Size (A.W.G.)
25' 16 16 16 16 14 14
50' 16 16 16 14 14 12
100' 16 16 14 12 10
**Used on 12 gauge - 20 amp circuit.
NOTE: AWG = American Wire Gauge
WARNING:
Keep the extension cord clear of the working
area. Position the cord so that it will not get
caught on lumber, tools, or other obstruc-
tions while you are working with a power
tool. Failure to do so can result in serious
personal injury.
WARNING:
Check extension cords before each use. If
damaged replace immediately. Never use the
product with a damaged cord since touching
the damaged area could cause electrical shock
resulting in serious injury.
Fig. 5
Page 10 — English
GLOSSARY OF TERMS
Bar Tip Guard
An attachment that may be provided on the end of the
guide bar to prevent the chain at the end of the guide
bar from contacting the wood.
Bucking
The process of cross cutting a felled tree or log into
lengths.
Chain Saw Powerhead
A chain saw without the saw chain and guide bar.
Clutch
A mechanism for connecting and disconnecting a
driven member to and from a rotating source of power.
Drive Sprocket or Sprocket
The toothed part that drives the saw chain.
Felling
The process of cutting down a tree.
Felling Back Cut
The final cut in a tree felling operation made on the
opposite side of the tree from the notching undercut.
Front Hand Guard
A structural barrier between the front handle of a chain
saw and the guide bar, typically located close to the hand
position on the front handle, and sometimes employed
as an activating lever for a chain brake.
Front Handle
The support handle located at or toward the front of
the chain saw. This handle is for the left hand.
Guide Bar
A solid railed structure that supports and guides the
saw chain.
Kickback
The backward or upward motion, or both, of the guide
bar occurring when the saw chain near the nose of the
top area of the guide bar contacts any object such as a
log or branch, or when the wood closes in and pinches
the saw chain in the cut.
Kickback (Pinch)
The rapid pushback of the saw which can occur when
the wood closes in and pinches the moving saw chain
in the cut along the top of the guide bar.
Kickback (Rotational)
The rapid upward and backward motion of the saw
which can occur when the moving saw chain near the
upper portion of the tip of the guide bar contacts an
object, such as a log or branch.
Low-Kickback Chain
A chain that complies with the kickback performance
requirements of ANSI B175.1 when tested on a repre-
sentative sample of chain saws.
Normal Cutting Position
Those positions assumed in performing the bucking
and felling cuts.
Notching Undercut
A notch cut in a tree that directs the tree’s fall.
Oiler Control
A system for oiling the guide bar and saw chain.
Rear Handle
The support handle located at or toward the rear of the
saw. It normally contains the switch trigger. This handle
is for the right hand.
Reduced Kickback Guide Bar
A guide bar which has been demonstrated to reduce
kickback significantly.
Replacement Saw Chain
A chain that complies with the kickback performance
requirements of ANSI B175.1 when tested with specific
chain saws. It may not meet the ANSI performance
requirements when used with other saws.
Saw Chain
A loop of chain having cutting teeth that cut the wood,
and that is driven by the motor and is supported by
the guide bar.
Spiked Bumper (Spike)
The pointed tooth or teeth for use when felling or bucking
to pivot the saw and maintain position while sawing.
Springpole
A small tree (sapling) or limb that is bent or trapped
under tension. It may “spring back” rapidly when cut,
causing a dangerous situation.
Switch Trigger
A device that when operated will complete or interrupt
an electrical power circuit to the motor of the chain saw.
Switch Linkage
The mechanism that transmits motion from a trigger
to the switch.
Switch Lock-out
A movable stop that prevents the unintentional operation
of the switch until manually actuated.
Page 11 — English
PRODUCT SPECIFICATIONS
FEATURES
UT43102
Bar length ....................................................14 in.
Chain pitch .............................................. .375 in.
Chain gauge ............................................ .050 in.
Chain type ........................Low Profile Skip Tooth
Drive sprocket ..........................................6-tooth
Input .................. 120 V, AC only, 60 Hz, 9 Amps
Chain oil tank capacity .................................6 oz.
Weight - No bar, chain, or lubricant ..........7.8 lbs.
Fig. 6
FRONT HAND
GUARD
FRONT
HANDLE
POWER
CORD
SWITCH
LOCK-OUT
OIL RESERVOIR
CAP
SAFE-T-TIP
®
CHAIN
TENSIONING
KNOB
CHAIN COVER
UT43122
Bar length ....................................................16 in.
Chain pitch .............................................. .375 in.
Chain gauge ............................................ .050 in.
Chain type ........................Low Profile Skip Tooth
Drive sprocket ..........................................6-tooth
Input ................. 120V, AC only, 60 Hz, 12 Amps
Chain oil tank capacity .................................6 oz.
Weight - No bar, chain, or lubricant ..........8.5 lbs.
QUICK VIEW
OIL INDICATOR
CHAIN COVER
LOCK KNOB
REAR
HANDLE
CORD
RETAINER
SWITCH
TRIGGER
GUIDE
BAR
LOW KICKBACK
SAW CHAIN
Page 12 — English
FEATURES
KNOW YOUR CHAIN SAW
See Figure 6.
The safe use of this product requires an under-
standing of the information on the tool and in
this operator’s manual as well as a knowledge
of the project you are attempting. Before use of
this product, familiarize yourself with all operating
features and safety rules.
CHAIN TENSIONING KNOB
This feature allows user to adjust the tension of
the chain.
GUIDE BAR
The factory-equipped guide bar has a small
radius tip that offers a somewhat lower kickback
potential.
LOW KICKBACK SAW CHAIN
The low kickback saw chain helps minimize the
force of a kickback reaction by preventing the
cutters from digging in too deeply at the kickback
zone.
QUICK VIEW OIL INDICATOR
Semi-transparent oil reservoir that allows user to
see when to add oil.
SAFE-T-TIP
®
ANTI-KICKBACK NOSE
GUARD
The Safe-T-Tip® Anti-Kickback Nose Guard is an
attach-ment provided on the end of the guide bar
to prevent the chain on the end of the guide bar
from contacting the wood.
SWITCH LOCK-OUT
A control feature designed to prevent the motor
from being accidently started.
SWITCH TRIGGER
Squeeze the switch trigger to operate the unit after
switch lock-out has been pushed in. Release the
switch trigger to stop the unit.
Page 13 — English
ASSEMBLY
UNPACKING
This product has been shipped completely
assembled.
Carefully remove the product and any acces-
sories from the box. Make sure that all items
listed in the packing list are included.
WARNING:
Do not use this product if any parts on the Pack-
ing List are already assembled to your product
when you unpack it. Parts on this list are not
assembled to the product by the manufacturer
and require customer installation. Use of a prod-
uct that may have been improperly assembled
could result in serious personal injury.
Inspect the product carefully to make sure no
breakage or damage occurred during ship-
ping.
Do not discard the packing material until you
have carefully inspected and satisfactorily oper-
ated the product.
If any parts are damaged or missing, please call
1-800-242-4672 for assistance.
PACKING LIST
Chain Saw
Sleeve (Model UT43102 only)
Scabbard (Model UT43122 only)
Storage Bag (Model UT43122 only)
Operator’s Manual
WARNING:
If any parts are damaged or missing do not
operate this product until the parts are replaced.
Use of this product with damaged or missing
parts could result in serious personal injury.
WARNING:
Do not attempt to modify this product or create
accessories not recommended for use with this
product. Any such alteration or modification is
misuse and could result in a hazardous condition
leading to possible serious personal injury.
WARNING:
Do not connect to power supply until assembly
is complete. Failure to comply could result in
accidental starting and possible serious per-
sonal injury.
Page 14 — English
CHAIN
LUBRICANT
OPERATION
DANGER:
Never cut near power lines, electric cords, or
other electric sources. If bar and chain jams
on any electrical cord or line, DO NOT TOUCH
THE BAR OR CHAIN! THEY CAN BECOME
ELECTRICALLY LIVE AND VERY DANGEROUS.
Continue to hold the chain saw by the insulated
rear handle or lay it down and away from you in
a safe manner. Disconnect the electrical service
to the damaged line or cord before attempting
to free the bar and chain from the line or cord.
Contact with the bar, chain, other conductive
parts of the chain saw, or live electric cords or
lines will result in death by electrocution, electric
shock, or serious personal injury.
WARNING:
Do not allow familiarity with this product to
make you careless. Remember that a careless
fraction of a second is sufficient to inflict seri-
ous injury.
WARNING:
Always wear eye protection with side shields
marked to comply with ANSI Z87.1, along with
hearing and head protection. Failure to do so
could result in objects being thrown into your
eyes resulting in possible serious injury.
WARNING:
Do not use any attachments or accessories
not recommended by the manufacturer of this
product. The use of attachments or accessories
not recommended can result in serious personal
injury.
WARNING:
Never fell a tree or cut a log or limb that has a
diameter greater that the length of the guide
bar. Only properly trained professionals should
perform these cuts. Performing these types of
cuts can cause an accident and result in death
or serious personal injury.
APPLICATIONS
You may use this product for the purposes listed
below:
Basic limbing, felling, and woodcutting
Removing buttress roots
ADDING BAR AND CHAIN LUBRICANT
See Figure 7.
Use HOMELITE Bar and Chain Lubricant. It is
designed for chains and chain oilers, and is for-
mulated to perform over a wide temperature range
with no dilution required.
NOTE: Chain saw comes from the factory with
no bar and chain oil added. Level should also be
checked after every 20 minutes of use and refilled
as needed.
Remove oil cap.
Carefully pour the bar and chain oil into the tank.
Wipe off excess oil.
Check and fill the oil tank when quick view oil
indicator is below the second to last indicator
line.
Fig. 7
QUICK VIEW
OIL INDICATOR
OIL RESERVOIR
CAP
Page 15 — English
OPERATION
Fig. 9
SWITCH
LOCK-OUT
SWITCH
TRIGGER
Fig. 8
EXTENSION
CORD
CORD
RETAINER
Repeat as needed.
NOTE: Do not use dirty, used or otherwise
contaminated oils. Damage may occur to the
bar or chain.
NOTE: It is normal for oil to seep from the saw
when not in use. To prevent seepage, empty the
oil tank after each use then run for one minute.
When storing the unit for a long period of time
(three months or longer) be sure the chain is lightly
lubricated; this will prevent rust on the chain and
bar sprocket.
CONNECTING TO POWER SUPPLY
See Figure 8
This chain saw is designed with a cord retainer
that prevents the extension cord from being pulled
loose while using.

Form a loop with the end of the extension cord.
Insert loop portion of extension cord through
the opening in the side of the rear handle and
place over cord hitch.
Slowly pull loop against cord retainer until the
slack is removed.
Plug chain saw into extension cord.
NOTE: Failure to remove all excess cord slack
from extension cord retainer could result in plug
loosening from receptacle.
WARNING:
Always make sure the tool is unplugged from
the power supply when you are assembling
parts, making adjustments, cleaning, carrying,
transporting or when not in use. Disconnect-
ing the power supply from the tool will prevent
accidental starting that could cause serious
personal injury.
STARTING AND STOPPING THE CHAIN
SAW
See Figure 9.
WARNING:
Keep body to the left of the chain line. Never
straddle the saw or chain, or lean over past the
chain line.
Starting the chain saw:
Make sure chain tension is at desired setting.
Refer to Adjusting the Chain Tension in the
Maintenance section of this manual.
Make sure the chain cover lock knob is tight to
the chain cover.
Make sure no objects or obstructions are in
immediate vicinity which could come in contact
with the bar and chain.
Press and hold the switch lock-out. This makes
the switch trigger operational.
Press and hold the switch trigger, release the
switch lock-out and continue to squeeze the
switch trigger for continued operation.
Stopping the chain saw:
NOTE: It is normal for the chain to coast to a stop
once the trigger switch is released.
Release the switch trigger to stop the chain saw.
Upon release of the switch trigger, the switch
lock-out will be automatically reset to the lock
position.
Page 16 — English
OPERATION
PROPER GRIP
Fig. 10
IMPROPER GRIP
CHAIN
LINE
PROPER HAND
GRIP POSITION
Fig. 11
STRAIGHT
ARM
CHAIN
LINE
THUMB ON
UNDERSIDE OF
HANDLE BAR
PREPARING FOR CUTTING
PROPER GRIP ON HANDLES
See Figure 10.
See General Safety Rules for appropriate safety
equipment.
Wear non-slip gloves for maximum grip and
protection.
Hold the saw firmly with both hands. Always
keep your left hand on the front handle and your
right hand on the rear handle so that your body
is to the left of the chain line.
WARNING:
Never use a left-handed (cross-handed) grip or
any stance that would place your body or arm
across the chain line.
Maintain a proper grip on the saw whenever the
motor is running. The fingers should encircle
the handle and the thumb is wrapped under the
handlebar. This grip is least likely to be broken
by a kickback or other sudden reaction of the
saw. Any grip in which the thumb and fingers
are on the same side of the handle is dangerous
because a slight kick of the saw can cause loss
of control.
WARNING:
DO NOT operate the switch
trigger with your left hand
and hold the front handle
with your right hand. Never
allow any part of your body
to be in the chain line while
operating a saw. Improper
operation of the chain saw could result in seri-
ous personal injury.
PROPER CUTTING STANCE
See Figure 11.
WARNING:
Always use the proper cutting stance described
in this section. Never kneel when using the
chain saw, except when felling a tree as illus-
trated in Figure 12. Kneeling could result in
loss of stability and control of the chain saw,
resulting in serious personal injury.
Page 17 — English
OPERATION
Fig. 12
Balance your weight with both feet on solid
ground.
Keep left arm with elbow locked in a “straight
arm” position to withstand any kickback force.
Keep your body to the left of the chain line.
Keep your thumb on underside of handlebar.
BASIC OPERATING/CUTTING
PROCEDURES
Practice cutting a few small logs using the following
technique to get the “feel” of using the saw before
you begin a major sawing operation.
Take the proper stance in front of the wood with
the saw idling.
Press the switch lock-out and squeeze the
switch trigger then release switch lock-out and
let the chain accelerate to full speed before
entering the cut.
Begin cutting with the saw against the log.
Keep the unit running the entire time you are
cutting, maintain a steady speed.
Allow the chain to cut for you; exert only light
downward pressure. Forcing the cut could result
in damage to the bar, chain, or motor.
Release the switch trigger as soon as the cut
is completed, allowing the chain to stop. If you
run the saw without a cutting load, unnecessary
wear can occur to the chain, bar, and unit.
Do not put pressure on the saw at the end of
the cut.
WORK AREA PRECAUTIONS
See Figure 12.
Cut only wood or materials made from wood;
no sheet metal, no plastics, no masonry, no
non-wood building materials.
Never allow children to operate the saw. Allow
no person to use this chain saw who has
not read this operator’s manual or received
adequate instructions for the safe and proper
use of this chain saw.
Keep everyone – helpers, bystanders, children,
and animals – a SAFE DISTANCE from the
cutting area. During felling operations, the safe
distance should be a least twice the height of the
largest trees in the felling area. During bucking
operations, keep a minimum distance of 15 feet
between workers.
Always cut with both feet on solid ground to
prevent being pulled off balance.
Do not cut above shoulder height as a saw held
higher is difficult to control against kickback
forces.
Do not fell trees near electrical wires or build-
ings. Leave this operation for professionals.
Cut only when visibility and light are adequate
for you to see clearly.
FELLING TREES
See Figures 13 - 16.
HAZARDOUS CONDITIONS
WARNING:
Do not fell trees during periods of high wind or
heavy precipitation. Wait until the hazardous
weather has ended.
WARNING:
Closely check for broken or dead branches,
which could fall while cutting and do not cut
near buildings or electrical wires if you do not
know the direction of tree fall. Do not cut at
night or during bad weather conditions, such as
rain, snow, or strong winds, which can reduce
visibility and control of the chain saw. If the tree
you are felling makes contact with any utility
line, you should discontinue use of the chain
saw and immediately notify the utility company.
Failure to follow these instructions could result
in death or serious personal injury.
Page 18 — English
Fig. 13
HINGE
2 in. OR 1/10 DIAMETER
NOTCH -
APPROX. 1/3
DIAMETER
OF TRUNK
BACK CUT
2 in.
Fig. 14
When felling a tree, it is important that you follow
these warnings and instructions to prevent possible
serious injury.
Do not cut down trees having an extreme lean
or large trees with rotten limbs, loose bark,
or hollow trunks. Have these trees pushed or
dragged down with heavy equipment, then cut
them up.
Do not cut trees near electrical wires or
buildings.
Check the tree for damaged or dead branches
that could fall and hit you during felling.
Periodically glance at the top of the tree during
the backcut to assure the tree is going to fall in
the desired direction.
If the tree starts to fall in the wrong direction,
or if the saw gets caught or hung up during the
fall, leave the saw and save yourself!
Felling a tree - When bucking and felling opera-
tions are being performed by two or more per-
sons, at the same time, the felling operation
should be separated from the bucking operation
by a distance of at least twice the height of the
tree being felled. Trees should not be felled in a
manner that would endanger any person, strike
any utility line or cause any property damage. If
the tree does make contact with any utility line, the
utility company should be notified immediately.
Before any cuts are started, pick your escape
route (or routes in case the intended route is
blocked); clear the immediate area around the
tree and make sure there are no obstructions in
your planned path of retreat. Clear paths of safe
retreat should extend back and diagonally (45°)
to the rear of the planned line of fall. When the
tree begins to fall, you should retreat away from
the direction of fall along a retreat path and at
least 20 feet away from the trunk in case it kicks
back over the stump. See Figure 13.
Before felling is started, consider the force and
direction of the wind, the lean and balance of
the tree, and the location of large limbs. These
things influence the direction in which the tree
will fall. Do not try to fell a tree along a line dif-
ferent from its natural line of fall.
The chain saw operator should keep on the
uphill side of the terrain as the tree is likely to
roll or slide downhill after it is felled.
OPERATION
45°
45°
PLANNED
LINE OF FALL
RETREAT PATH
RETREAT PATH
HINGE
BACK CUT
Fig. 15
Page 19 — English
OPERATION
WEDGE
Fig. 16
HORIZONTAL
CUT
VERTICAL
CUT
LOOSE
SECTION
Fig. 17
Remove dirt, stones, loose bark, nails, staples,
and wire from the tree where felling cuts are to
be made.
Notched Undercut. Cut a notch about 1/3 the
diameter of the tree, perpendicular to the direc-
tion of fall. Make the cuts of the notch so they
intersect at a right angle to the line of fall. This
notch should be cleaned out to leave a straight
line. To keep the weight of the wood off the saw,
always make the lower cut of the notch before
the upper cut. See Figure 14.
Felling Backcut. The backcut is always made level
and horizontal, and at a minimum of 2 in. above the
horizontal cut of the notch. See Figures 14 - 15.
Never cut through to the notch. Always leave a
band of wood between the notch and backcut
(approximately 2 in. or 1/10 the diameter of the
tree). This is called “hinge” or “hingewood.” It
controls the fall of the tree and prevents slip-
ping or twisting or shoot-back of the tree off the
stump. See Figures 14 - 15.
On large diameter trees, stop the back cut
before it is deep enough for the tree to either
fall or settle back on the stump. Then insert
soft wooden or plastic wedges into the cut so
they do not touch the chain. The wedges can
be driven in, little by little, to help jack the tree
over. See Figure 16.
When bucking or felling with a wedge, it may
be necessary to remove the SAFE-T-TIP anti-
kickback device to allow the bar to be drawn
through the cut. After you complete the cut,
reinstall the tip immediately.
As tree starts to fall, stop the chain saw and put
it down immediately. Retreat along the cleared
path, but watch the action in case something
falls your way.
WARNING:
Never cut through to the notch when making a
back cut. The hinge controls the fall of the tree,
this is the section of wood between the notch
and backcut.
REMOVING BUTTRESS ROOTS
See Figure 17.
A buttress root is a large root extending from the
trunk of the tree above the ground. Remove large
buttress roots prior to felling. Make the horizontal
cut into the buttress first, followed by the vertical
cut. Remove the resulting loose section from the
work area. Follow the correct tree felling procedure
as stated in Proper Procedure For Tree Felling
after you have removed the large buttress roots.
Page 20 — English
OPERATION
KICKBACK
Fig. 18
WEDGE
LOAD
FINISHING CUT
1ST CUT 1/3 DIAMETER
LOG SUPPORTED AT ONE END
LOG SUPPORTED AT BOTH ENDS
FINISHING CUT
1ST CUT 1/3 DIAMETER
LOAD
Fig. 19
Fig. 20
BUCKING
See Figure 18.
Bucking is the term used for cutting a fallen tree
to the desired log length.
Always make sure your footing is secure and
your weight is distributed evenly on both feet.
Cut only one log at a time.
Support small logs on a saw horse or another
log while bucking.
Keep a clear cutting area. Make sure that no
objects can contact the guide bar nose and
chain during cutting, this can cause kickback.
To avoid the danger, keep the SAFE-T-TIP anti-
kickback device attached while cutting. Refer
to Kickback earlier in this manual.
When bucking on a slope, always stand on the
uphill side of the log. To maintain complete
control of the chain saw when cutting through
the log, release the cutting pressure near the
end of the cut without relaxing your grip on the
chain saw handles. Do not let the chain contact
the ground. After completing the cut, wait for the
saw chain to stop before you move the chain
saw. Always stop the motor before moving from
tree to tree.
BUCKING WITH A WEDGE
See Figure 19.
If the wood diameter is large enough for you to
insert a soft bucking wedge without touching the
chain, you should use the wedge to hold the cut
open to prevent pinching.
NOTE: When bucking or felling with a wedge, you
may need to remove the SAFE-T-TIP anti-kickback
device to allow the bar to be drawn through the
cut. After you complete the cut, reinstall the tip.
BUCKING LOGS UNDER STRESS
See Figure 20.
Make the first bucking cut 1/3 of the way through
the log and finish with a 2/3 cut on the opposite
side. As you cut the log, it will tend to bend. The
saw can become pinched or hung in the log if you
make the first cut deeper than 1/3 of the diameter
of the log.
Give special attention to logs under stress to
prevent the bar and chain from pinching.
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