MTD 41AS99MS799 Owner’s Manual
Operator’s Manual
2-Cycle
HANDHELD BLOWER
Model No. 316.79160*
*The last digit of the model number varies.
• SAFETY
• ASSEMBLY
CAUTION: Before using this product,
read this manual and follow all its Safety
Rules and Operating Instructions.
Sears Brands Management Corporation, Hoffman Estates, IL 60179 U.S.A.
Visit our website: www.craftsman.com
769-10853 / 01 02/17
• OPERATION
• MAINTENANCE
• ESPAÑOL, P. 15
TABLE OF CONTENTS
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Oil and Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Starting and Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*
Repair Protection A
Service Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*
* For Warranty, Repair Protection Agreements, and Service
Number information, please refer to the separate Warranty /
Service Supplement.
gre
ements . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*
All information, illustrations and specifications in this manual are based
on the latest product information available at the time of printing. We
reserve the right to make changes at any time without notice.
© Sears Brands, LLC
The purpose of safety symbols is to attract your attention to
possible dangers. The safety symbols, and their explanations,
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:
Failure to obey a safety DANGER symbol WILL result in
serious injury or death to yourself or to others.
WARNING:
Failure to obey a safety WARNING symbol CAN result in
serious injury to yourself or to others.
CAUTION:
Failure to obey a safety CAUTION symbol MAY result in
property damage or injury to yourself or to others.
NOTE: Advises you of information or instructions vital to the
operation
or maintenance of the equipment.
Signals an EXTREME hazard.
Signals a SERIOUS hazard.
Signals a MODERATE hazard.
SAFETY
SPARK ARRESTOR NOTE
NOTE: For users on U.S. Forest Land and in the states of
California, Maine, Oregon and Washington. All U.S. Forest Land
and the state of California (Public Resources Codes 4442 and
4443), Oregon and Washington require, by law that certain internal
combustion engines operated on forest brush and/or grass-covered
areas be equipped with a spark arrestor, maintained in effective
work
maintained for the prevention of fire. Check with your state or local
authorities for regulations pertaining to these requirements. Failure
to follow these requirements could subject you to liability or a fine.
This unit is factory equipped with a spark arrestor. If it requires
replacement, contact a Sears Parts & Repair Service Center to
install the
Read the operator’s manual and follow all warnings and safety
instructions. Failure to do so can result in serious injury to the
operator and/or bystanders.
er, or the engine be constructed, equipped and
ing ord
priate muffler assembly.
appro
CALIFORNIA PROPOSITION 65
WARNING:
known to the state of California to cause cancer, birth defects
or other reproductive harm.
This product contains a chemical
2
• IMPORTANT SAFETY INSTRUCTIONS •
READ ALL INSTRUCTIONS BEFORE OPERATING
WARNING:
instructions must be followed. Please read these
instructions before operating the unit in order to ensure the
safety of the operator and any bystanders. Please keep
these instructions for later use.
• Read the instructions carefully. Be familiar with the controls and
proper use of the unit. Know how to stop the unit and disengage
the controls quickly.
• Stay alert. Do not operate this unit when tired, ill or under the
influence of alcohol, drugs or medication.
• Never allow children to operate the unit. Teens must be trained,
acco
mpanied and supervised by an adult. Never allow adults to
perate the unit without proper instruction.
o
• All guards and safety attachments must be installed properly
before operating the unit.
• Inspect the unit before use. Check for damaged parts. Check for
fuel leaks. Make sure all parts operate properly. Make sure all
fasteners are in place and secure. Make sure all moving parts
are properly aligned an
cracked, chipped, or damaged in any way. Have all damaged or
improperly working parts repaired or replaced by a Sears or
other qualified service dealer. Do not operate the unit with loose
or damaged parts.
• Be aware of risk of injury to the head, hands and feet.
• Carefully inspect the area before starting the unit. Remove
rocks, broken glass, nails, wire, string a
ay be thrown or become entangled with the unit.
m
• Clear the area of children, bystanders and pets; keep them
outside a 50-foot (15 m) radius, at a minimum. Even then, they are
still at risk from thrown objects. Encourage bystanders to wear
eye protection. If you are approached, stop the unit immediately.
• Squeeze the throttle control and check that it returns
automatically to the id
pairs before using the unit.
re
• Do not change the engine governor settings or overspeed the
engine.
• This unit is intended for occasional, household use only.
d are
le position. Make all adjustments or
When using the unit, all safety
not bound. Replace parts that are
nd other objects that
SAFETY WARNINGS FOR GAS UNITS
WARNING:
its vapors can explode if ignited. Take the following
precautions:
• Store fuel only in containers specifically designed and approved
for the storage of such materials.
• Always stop the engine and allow it to cool before filling the
tank. Never remove the fuel tank cap or add fuel when the
engine is hot. Always loosen the fuel tank cap slowly to relieve
any pressure in the tank before fueling.
• Always mix and add fuel in a clean, well-ventil
where there are no sparks or flames. DO NOT smoke.
• Never operate the unit without the fuel cap securely in place.
• Avoid creating a source of ignition for spilled fuel. Wipe up any
spilled fuel from the unit immediately, before starting the unit.
Move the unit at least 30 ft. (9.1 m) from the fueling source and
site before starting the engine. DO NOT smoke.
• Never start or run the unit
Breathing exhaust fumes can kill. Operate this unit only in a wellventilated outdoor area.
Gasoline is highly flammable and
ated outdoor are
inside a closed ro
om or building.
a
WHILE OPERATING
• Wear safety glasses or goggles that meet current ANSI / ISEA
Z87.1 standards and are marked as such. Wear ear/hearing
protection when operating this unit. Wear a face mask or dust
mask if the operation is dusty.
• Wear heavy long pants, boots, gloves and a long sleeve shirt. Do
not wear loose clothing, jewelry, short pants, sandals or go
barefoot. Secure hair above shoulder level.
• Use the
• Av
pulling the starter rope. The operator and unit must be in a
stable position while starting. Refer to Starting and Stopping.
• Use the right tool. Only use this tool for its intended purpose.
Only use the unit as described in this manual.
• Always hold the unit with a firm grip when operating.
• D
extra care when working on stairs, steep slopes or inclines. To
avoid serious injury, do not operate the unit while on a ladder or
a roof.
• Keep hands, face, and feet away from all moving parts. Do not
touch or try to stop moving parts.
• Do not touch the engine or muffler. These parts get extremely
hot from operation, even after the unit is
• Do not operate the unit faster than the speed needed to do the
job. Do not run the unit at high speed when not in use.
• Do not force the unit. It will do a better, safer job when used at
the intended rate.
• Always turn the unit off when operation is delayed or when
carrying the unit from one location to another. Make sure all
moving parts come to a complete stop.
• Before setting the unit down
and all moving parts have stopped.
• If the unit strikes or becomes entangled with a foreign object,
stop the unit immediately. Check for damage. If damaged, do
not restart or operate the unit until it is repaired. Do not operate
the unit with loose or damaged parts.
unit only in daylight or good artificial light.
oid accidental starting. Be in the starting position whenever
o not overreach. Always keep proper footing and balance. Take
ed off.
turn
, always make sure
the engine is off
3
• Turn the engine off and disconnect the spark plug for
maintenance or repair.
• Use only original equipment manufacturer (OEM) replacement
parts and accessories for this unit. Use of any
ccessories could lead to serious injury to the user, or damage
a
to the unit, and void the warranty.
• Keep the unit clean. Carefully remove vegetation and other
debris that could block moving parts.
• To reduce fire hazard, replace a faulty muffler and spark arrestor.
Keep the engine and muffler free from grass, leaves, excessive
grease or carbon build up.
• If the unit starts to vibrate abno
Inspect the unit for the cause of the vibration. Vibration is
generally an indicator of trouble.
stop the unit immediately.
rmally,
other parts or
BLOWER SAFETY
• Do not insert anything into the air openings, blower tubes or
nozzle. Do not operate the unit if any of the air openings or
tubes are blocked. Keep the air openings free from dust, lint,
hair and anything else that may reduce airflow.
• Do not operate the unit without the blower tube securely attached.
• Do not use the unit to spray liquids, especially flammable or
combustible liquids, such
reas where such liquids are present.
a
• Do not use the unit for spreading chemicals, fertilizer or any
other substance that may contain toxic materials.
• Do not set the unit down on any surface while the unit is
running. Debris can be picked up by the air intake and thrown
out the discharge opening, resulting in damage to the unit or
property or causing serious injury
uring operation, never point the unit in the direction of people,
• D
animals, windows or automobiles. Always direct blowing debris
away from people, animals, windows or automobiles.
• Use extra caution when blowing debris near solid objects, such
as trees, walls, fences, etc. When possible, blow away from
such objects, not toward them.
• Take care when working near valuable p
blown air could damage tender plants.
• Never attempt to clear a clogged air intake opening while the
unit is running.
• Keep hair, fingers and all other body parts away from moving
parts and openings.
as gasoline. Do not use the unit in
to bystanders or the operator.
lants. The forc
e of the
OTHER SAFETY WARNINGS
• Maintain the unit with care. Follow all maintenance instructions
in this manual.
• Do not perform maintenance procedures other than those
described in this manual. All service, other than the maintenance
procedures described in this manual, should be performed by a
S
ears or other qualified service dealer.
• Never remove, modify or make inoperative any safety device
furnished with the unit.
• Before inspecting, maintaining, cleaning, storing, transporting or
replacing any parts on the unit:
1. Stop the unit. Refer to Starting and Stopping.
2. Make sure all moving parts have stopped.
3. Allow the unit to cool.
4. Disconnect the spark plug wire.
• Secure the unit w
• N
ever store the unit with fuel in the tank, inside a building where
fumes may reach an open flame (pilot lights, etc.) or sparks
(switches, electrical motors, etc.).
• Store the unit in a dry place, secured or at a height to prevent
unauthorized use or damage. Keep the unit out of the reach of
children.
• Never douse or squirt the unit with water or any other liquid.
Keep handles dry and
Clean the unit after each use. Refer to Cleaning and Storage. Do
not use solvents or strong detergents.
• Keep these instructions. Refer to them often and use them to
instruct other users. If you loan this unit to others, also loan
them these instructions.
hile transporting.
clean (fre
e from debris, oil and grease).
SAVE THESE INSTRUCTIONS
4
• SAFETY & INTERNATIONAL SYMBOLS •
This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's
manual for complete safety, assembly, operating and maintenance and repair information.
SYMBOL MEANING SYMBOL MEANING
• SAFETY ALERT SYMBOL
Indicates danger, warning or caution. May be used in
conjunction with other symbols or pictographs.
• READ OPERATOR'S MANUAL
WARNING:
manual(s) and follow all warnings and safety
instructions. Failure to do so can result in serious
injury to the operator and/or bystanders.
• WEAR EYE AND HEARING PROTECTION
WARNING:
noise can cause severe eye injury and hearing loss.
Wear eye protection meeting current ANSI / ISEA
Z87.1 standards and ear protection when operating
this unit. Use a full face shield when needed.
• UNLEADED FUEL
Always use clean, fresh unleaded fuel.
• OIL
Refer to operator’s manual for the proper type of oil.
• DO NOT USE E85 FUEL IN THIS UNIT
WARNING:
containing greater than 10% ethanol will likely
damage this engine and void the warranty.
Read the operator’s
Thrown objects and loud
It has been proven that fuel
• ON/OFF STOP CONTROL
ON / START / RUN
• ON/OFF STOP CONTROL
OFF or STOP
• PRIMER BULB
Push primer bulb, fully and slowly, 10 times.
• CHOKE CONTROL
• START choke position
• RUN choke position
• THROWN OBJECTS CAN CAUSE SEVERE INJURY
WARNING:Small objects can be
propelled at high speed, causing injury.
• KEEP BYSTANDERS AWAY
WARNING:
especially children and pets, at least 50 feet (15 m) from
the operating area.
• HOT SURFACE
Keep all bystanders,
WARNING:Do not touch a hot muffler
or cylinder. You may get burned. These parts get
extremely hot from operation. When turned off, they
remain hot for a short time.
• BLOWERS – ROTATING IMPELLER BLADES CAN
CAUSE SEVERE INJURY
WARNING:Stop the unit and allow the
impeller to stop before changing tubes, cleaning or
performing any maintenance. Keep hands and feet
away from moving parts.
5
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