Homelite UT10530A, UT10530, UT10947D, UT10947E User Manual
OPERATOR'S MANUAL
16 in. (406 mm) 33cc Chain Saw
UT10530, UT10530A, UT10947D, UT10947E
Your new chain saw has been engineered and manufactured to Homelite’s high standard for dependability, ease of operation,
and operator safety . 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 chain saw.
SAVE THIS MANUAL FOR FUTURE REFERENCE
TABLE OF CONTENTS
Introduction..................................................................................................................................................................... 2
General Safety Rules .................................................................................................................................................. 3-4
Specific Safety Rules................................................................................................................................................... 4-5
Symbols....................................................................................................................................................................... 6-7
Specifications ................................................................................................................................................................. 7
Features ......................................................................................................................................................................... 8
Operation................................................................................................................................................................... 9-21
Maintenance ............................................................................................................................................................ 22-32
Bar and Chain Combinations........................................................................................................................................ 33
Troubleshooting ....................................................................................................................................................... 33-34
Warranty....................................................................................................................................................................... 35
Parts Ordering/Service ................................................................................................................................................. 36
INTRODUCTION
IMPORTANT
Servicing requires extreme care and knowledge and
should be performed only by a qualified service
technician. When servicing use only identical Homelite
replacement parts.
For safe operation, read and understand all instructions
before using the chain saw. Follow all safety
instructions. Failure to follow all safety instructions
listed below, may result in serious personal injury.
WARNING:
Carefully read through this entire operator's manual
before using your new saw. Pay close attention to
the Safety Rules and all Safety Alert Symbols
including Danger, Warning, and Caution. These
safety rules are for your safety and to prevent
possible serious injury. If you use your saw properly
and only for what it is intended, you will enjoy years
of safe, reliable service.
Look for this symbol to point out important safety precautions.
It means attention!!! Your safety is involved.
WARNING:
The operation of any power tool can result in foreign objects being thrown into your eyes, which
can result in severe eye damage. Before beginning tool operation, always wear safety goggles or
safety glasses with side shields and a full face shield when needed. We recommend Wide Vision
Safety Mask for use over eyeglasses or standard safety glasses with side shields. Always wear eye
protection which is marked to comply with ANSI Z87.1.
Page 2
GENERAL SAFETY RULES
WARNING:
The warnings, labels, and instructions found in this
section of the operator's manual are for your safety.
Failure to follow all instructions may result in serious
personal injury.
Safe operation of this tool requires that you read and
understand this operator's manual and all labels affixed to
the tool. Safety is a combination of using common sense,
staying alert, and knowing how your saw works.
READ ALL INSTRUCTIONS
KNOW YOUR TOOL. Read the operator's manual
carefully. Learn the saw's applications and limitations
as well as the specific potential hazards related to this
tool.
KICKBACK MAY OCCUR WHEN THE NOSE OR TIP
OF THE GUIDE BAR touches an object or when the
wood closes in and pinches the saw chain in the cut.
Tip contact in some cases may cause a lightning-fast
reverse reaction kicking the guide bar up and back
toward the operator. Pinching the saw chain along the
top of the guide bar may push the guide bar rapidly
back toward the operator. Either of these reactions may
cause you to lose control of the saw which could result
in serious personal injury. DO NOT rely exclusively
upon the safety devices built into your saw. As a chain
saw user, you should take several steps to keep your
cutting jobs free from accident or injury.
1. With a basic understanding of kickback, you can
reduce or eliminate the element of surprise. Sudden
surprise contributes to accidents.
2. Keep a good firm grip on the saw with both hands
when the engine is running. Place your right hand
on the rear handle and your left hand on the front
handle with your thumbs and fingers encircling the
chain saw handles. A firm grip together with a stiff
left arm will help you maintain control of the saw if
kickback occurs.
3. Make sure that the area in which you are cutting 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.
4. Cut at high engine speeds. Always cut with the
engine running at full speed. Fully squeeze the
throttle trigger and maintain a steady cutting speed.
5. Do not overreach or cut above chest height.
6. Follow the manufacturer's sharpening and
maintenance instructions for the saw chain.
7. Only use replacement bars and chains specified by
the manufacturer or the equivalent.
DO NOT OPERATE A CHAIN SAW WITH ONE
HAND. Serious injury to the operator, helpers,
bystanders, or any combination of these persons may
result from one-handed operation. A chain saw is
intended for two-handed use.
DO NOT OPERATE A CHAIN SAW WHEN YOU ARE
FATIGUED. Never operate a chain saw when you are
tired or under the influence of medication, drugs, or
alcohol.
USE SAFETY FOOTWEAR. Wear snug-fitting clothing,
protective gloves, and eye, hearing, and head
protection devices.
DO NOT STAND ON ANY UNSTABLE SURFACE
while using your chain saw, that includes ladders,
scaffolds, trees, etc.
USE CAUTION WHEN HANDLING FUEL. Move the
chain saw at least 30 feet (9 m) from the fueling point
before starting the engine.
DO NOT ALLOW OTHER PERSONS to be near the
chain saw when starting or cutting with the chain saw.
Keep bystanders and animals out of the work area.
DO NOT START CUTTING until you have a clear work
area, secure footing, and a planned retreat path from
the falling tree.
KEEP ALL PARTS OF YOUR BODY away from the
saw chain when the engine is running.
ALWAYS CARRY THE CHAIN SAW WITH THE
ENGINE STOPPED AND THE BRAKE ENGAGED,
the guide bar and saw chain to the rear, and the
muffler away from your body. When transporting the
chain saw, use the appropriate guide bar scabbard.
DO NOT OPERATE A CHAIN SAW THAT IS
DAMAGED, improperly adjusted, or not completely and
securely assembled. Be sure that the saw chain stops
moving when the throttle control trigger is released.
SHUT OFF THE ENGINE before setting the chain saw
down. DO NOT leave the engine running unattended.
As an additional safety precaution, apply the chain
brake prior to setting down the saw.
USE EXTREME CAUTION when cutting small-size
brush and saplings because slender 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 springback so that you will not be struck when
the tension in the wood fibers is released.
KEEP THE HANDLES dry, clean, and free of oil or fuel
mixture.
OPERATE THE CHAIN SAW ONLY in well-ventilated
areas.
DO NOT OPERATE A CHAIN SAW IN A TREE unless
you have been specifically trained to do so.
Page 3
GENERAL SAFETY RULES
ALL CHAIN SAW SERVICE, other than the items
listed in the instruction manual and all maintenance,
should be performed by competent chain saw service
personnel. (For example, if improper tools are used to
remove the flywheel or if an improper tool is used to
hold the flywheel in order to remove the clutch,
structural damage to the flywheel could occur and
subsequently could cause the flywheel to burst.)
KEEP SAFE-T-TIP ANTI-KICKBACK NOSE GUARD
properly mounted on the guide bar to prevent rotational
kickback.
SPECIFIC SAFETY RULES
WARNING:
The warnings, labels, and instructions found in this
section of the operator's manual are for your safety.
Failure to follow all instructions may result in serious
personal injury.
GENERAL PRECAUTIONS
DO NOT CUT VINES and/or small underbrush (less
than 3 in./76 mm in diameter).
MUFFLER SURFACES ARE VERY HOT during and
after operation of the chain saw; keep all body parts
away from the muffler. Serious burns may occur if
contact is made with the muffler.
Always hold the chain saw with both hands when the
engine is running. Use a firm grip with thumbs and
fingers encircling the chain saw handles.
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 engine, make sure the saw chain is
not contacting any object.
Operate the chain saw only in well ventilated areas.
SAFETY APPAREL
Wear snug fitting clothing. Always wear heavy, long
pants, boots, and gloves. Do not wear jewelry, short
pants, sandals, or go barefoot. Do not wear loose fitting
clothing, which could be drawn into the engine or catch
the chain or underbrush. Wear overalls, jeans, or chaps
made of cut resistant material or ones that contain cut
resistant inserts. Secure hair so that it is above shoulder level.
Wear non-slip safety footwear and heavy-duty gloves to
improve your grip and to protect your hands.
FOLLOW THE SHARPENING and maintenance
instructions for the saw chain.
USE ONLY THE REPLACEMENT GUIDE BARS and
low kickback chains specified for your saw.
DO NOT adapt your powerhead to a bow guide or use it
to power any attachments or devices not listed for your
saw.
SAVE THESE INSTRUCTIONS. Refer to them fre-
quently and use to instruct other users. If you loan
someone this tool, loan them these instructions also.
Wear eye protection which is marked to comply with
ANSI Z87.1, as well as, hearing and head protection
when operating this equipment.
REFUELING (DO NOT SMOKE!)
To reduce the risk of fire and burn injury, handle fuel
with care. It is highly flammable.
Mix and store fuel in a container approved for gasoline.
Mix fuel outdoors where there are no sparks or flames.
Select bare ground, stop the engine, and allow it to
cool before refueling.
Loosen the fuel cap slowly to release pressure and to
keep fuel from escaping around the cap.
Tighten the fuel cap securely after refueling.
Wipe spilled fuel from the unit. Move 30 feet (9 m)
away from refueling site before starting engine.
Never attempt to burn off spilled fuel under any circum-
stances.
BASIC PRECAUTIONS IN THE CUTTING/
WORK AREA
Do not operate a chain saw in a tree.
Do not cut from a ladder, this is extremely dangerous.
Keep bystanders and animals out of the work area. Do
not allow other persons to be nearby during starting or
cutting with the chain saw.
Note: The size of the work area depends on the job
being performed as well as the size tree or workpiece
involved. For example, felling a tree requires a larger
work area than making other cuts (i.e., bucking cuts,
etc.).
Page 4
SPECIFIC SAFETY RULES
PUSH AND PULL
The reaction force is always opposite to the direction the
chain is moving. Thus, the operator must be ready to
control the PULL when cutting on the bottom edge of the
bar and the PUSH when cutting along the top edge.
PULL
PUSH
Fig. 1
MAINTENANCE PRECAUTIONS
Never operate a chain saw that is damaged, improperly
adjusted, or is not completely and securely assembled. Be
sure that the saw chain stops moving when the throttle
control trigger is released. If the saw chain moves at idle
speed, the carburetor may need adjusting. Refer to
“Operation” later in this manual. If the saw chain still
moves at idle speed after adjustment has been made,
contact a Homelite Service Center for adjustment and
discontinue use until the repair is made.
WARNING:
All chain saw service, other than items in the operator's
manual maintenance instructions, should be performed
by competent chain saw service personnel. If improper
tools are used to remove the flywheel or clutch, or if an
improper tool is used to hold the flywheel in order to
remove the clutch, structural damage to the flywheel
could occur which could subsequently cause the
flywheel to burst and serious injury could result.
KICKBACK
Kickback is a dangerous reaction that can lead to serious
injury. Do not rely only on the safety devices provided
with your saw. As a chain saw user, you must take
special safety precautions to help keep your cutting jobs
free from accident or injury.
Note: See the "Operation" section later in this manual for
added information on kickback and how to avoid serious
personal injury.
Note: Your chain saw has been fully factory tested. It is
normal to find some slight oil residue on the saw.
Page 5
SYMBOLS
Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper
interpretation of these symbols will allow you to operate the tool better and safer.
SYMBOL NAME EXPLANATION
Safety Alert Symbol
Read Your Operator’s Manual
Eye, Hearing, and Head Protection
SAFE-T-TIP Nose Guard
No Smoking
Prohibited Symbol
Indicates danger, warning or caution. It means attention!!!
Your safety is involved.
Your manual contains special messages to bring
attention to potential safety concerns, machine damage
as well as helpful operating and servicing information.
Please read all the information carefully to avoid injury
and machine damage.
Wear eye, hearing, and head protection when operating
this equipment.
The SAFE-T-TIP nose guard on the guide bar helps
prevent kickback.
No smoking, sparks, or open flame.
Diagonal line across a symbol means this is prohibited
or should be avoided.
Operate with Two Hands
One Handed
Carbon Monoxide
Kickback
Bar Nose Contact
Gloves
Hold and operate the saw properly with both hands.
Do not operate the saw using only one hand.
Engines produce carbon monoxide which is an odorless,
deadly poison. Do not operate in an enclosed area.
Danger – beware of kickback.
Avoid bar nose contact.
Wear non-slip gloves.
Page 6
SYMBOLS
The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and the
explanations with them, deserve your careful attention and understanding. The safety warnings do not by themselves
eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention
measures.
Symbol 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.
NOTE: Advises you of information or instructions vital to the operation or maintenance of the equipment.
SAVE THESE INSTRUCTIONS
SPECIFICATIONS
Weight - No bar, chain, fuel or oil............. 9.7 lbs. (4.4 kg)
Fuel tank volume.................................... 19.4 oz. (575 ml)
Chain oil tank volume............................. 11.8 oz. (350 ml)
Bar lengths ............................................... 16 in. (406 mm)
Chain pitch .............................................. .375 in (9.5 mm)
Chain gauge......................................... .050 in. (1.25 mm)
Chain type ....................... Semi-Chisel, LoPro, Skip Tooth
Drive sprocket ........................................................ 6-tooth
Engine displacement.................................. 2.0 in.3 (33 ml)
Maximum engine power (ISO 7293) ..... 1.78HP (1.33 kW)
Idle engine speed................................ 2,600 - 3,400 RPM
Fuel tank capacity .................................. 19.4 oz. (575 ml)
Oil tank capacity..................................... 11.8 oz. (350 ml)
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