Bolens Blower BL3100 User Manual

Operators  
Manual  
Since it began making garden  
tools in 1850,Bolens has been  
known for long-lasting,dependable  
products.Bolens eventually carried that  
hard-working heritage into the outdoor  
power equipment industry,when it  
designed and built the first-ever power-driven  
garden tractor.  
Today,homeowners around the country rely  
on Bolens for durable,reliable power  
equipment at an affordable price.  
2-Cycle Petrol  
Mulching Blower / Vacuum  
Model BL3100  
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CALIFORNIA PROPOSITION 65 WARNING  
WARNING  
THE ENGINE EXHAUST FROM THIS  
PRODUCT CONTAINS CHEMICALS  
KNOWN TO THE STATE OF CALIFORNIA  
TO CAUSE CANCER, BIRTH DEFECTS  
OR OTHER REPRODUCTIVE HARM.  
SPARK ARRESTOR  
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 working order, or the engine be constructed, equipped and 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, ask your LOCAL SERVICE DEALER to install the Accessory Part #182747 Spark Arrestor Kit.  
WARNING!  
Read the Operator’s Manual(s) and follow all warnings and safety instructions. Failure to do so can  
result in serious injury to the operator and/or bystanders.  
RULES FOR SAFE OPERATION  
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 warning  
will result in serious injury to yourself or to  
others. Always follow the safety  
precautions to reduce the risk of fire,  
electric shock and personal injury.  
NOTE: Advises you of information or instructions vital  
to the operation or maintenance of the  
equipment.  
WARNING: Failure to obey a safety  
warning can result in injury to yourself and  
others. Always follow the safety  
precautions to reduce the risk of fire,  
electric shock and personal injury.  
SYMBOL  
MEANING  
SAFETY ALERT SYMBOL: Indicates  
danger, warning or caution. Attention is  
required in order to avoid serious personal  
injury. May be used in conjunction with  
other symbols or pictographs.  
CAUTION: Failure to obey a safety warning  
may result in property damage or personal  
injury to yourself or to others. Always follow  
the safety precautions to reduce the risk of  
fire, electric shock and personal injury.  
3
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RULES FOR SAFE OPERATION  
• IMPORTANT SAFETY INFORMATION •  
WHILE OPERATING  
• Never start or run the unit inside a closed room or  
building. Breathing exhaust fumes can kill. Operate this  
unit only in a well-ventilated outdoor area.  
READ ALL INSTRUCTIONS  
BEFORE OPERATING  
WARNING: When using the unit, you must  
follow the safety rules. For your own safety  
and that of bystanders, please read these  
instructions before operating the unit.  
Please keep the instructions for later use.  
• To reduce the risk of injury associated with thrown  
objects, wear safety glasses or goggles that are  
marked as meeting ANSI Z87. standards.  
• Never run the unit without the the proper equipment  
attached. When using this unit, always install the  
blower/vacuum tubes and vacuum bag depending on  
model. Make sure the vacuum bag is completely  
zipped closed.  
• Read the instructions carefully. Be familiar with the  
controls and proper use of the unit.  
• Do not operate this unit when tired, ill, or under the  
influence of alcohol, drugs, or medication.  
• To reduce the risk of hearing loss associated with  
sound level(s), always wear ear/hearing protection  
when operating this unit.  
• Children and teens under the age of 15 must not use  
the unit, except for teens guided by an adult.  
• All guards and safety attachments must be installed  
properly before operating the unit.  
• Wear heavy, long pants, boots, and gloves. Do not  
wear short pants, sandals, or go barefoot.  
• Inspect the unit before use. Replace damaged parts.  
Check for petrol leaks. Make sure all fasteners are in  
place and secure. Replace parts that are cracked,  
chipped, or damaged in any way. Do not operate the  
unit with loose or damaged parts.  
• To avoid static electricity shock, do not wear rubber  
gloves or any other insulated gloves while operating  
this unit.  
• To reduce the risk of injury associated with objects  
being drawn into rotating parts, do not wear loose  
clothing, jewelry, scarves, and the like. Secure hair  
above shoulder level.  
• Carefully inspect the area before starting the unit.  
Remove all debris and hard or sharp objects such as  
glass, wire, etc.  
• Clear the area of children, bystanders, and pets. At a  
minimum, keep all children, bystanders, and pets  
outside a 15 m (50 feet) radius; there still may be a risk  
to bystanders from thrown objects. Bystanders should  
be encouraged to wear eye protection. If you are  
approached, stop the unit immediately.  
• Wear a face or dust mask if the operation is dusty.  
Long sleeve shirts are recommended.  
• Use the unit only in daylight or good artificial light.  
• Keep outside surfaces free from oil and petrol.  
• Avoid accidental starting. Be in the starting position  
whenever pulling the starter rope. The operator and  
unit must be in a stable position while starting. Refer to  
Starting/Stopping Instructions.  
SAFETY WARNINGS FOR PETROL UNITS  
WARNING: Petrol is highly flammable, and  
its vapors can explode if ignited. Take the  
following precautions:  
• Do not set unit on any surface except a clean, hard  
area while engine is running. Debris such as gravel,  
sand, dust, grass, etc. could be picked up by the air  
intake and thrown out by the discharge opening,  
damaging unit, property, or causing serious injury to  
bystanders or operator.  
• Store petrol only in containers specifically designed  
and approved for the storage of such materials.  
• Avoid creating a source of ignition for spilled petrol. Do  
not start the engine until petrol vapors dissipate.  
• Use the right tool. Only use this tool for the purpose  
intended.  
• Always stop the engine and allow it to cool before filling  
the petrol tank. Never remove the cap of the petrol tank,  
or add petrol, when the engine is hot. Never operate the  
unit without the petrol cap securely in place. Loosen the  
petrol tank cap slowly to relieve any pressure in the tank.  
• Do not force unit. It will do the job better and with less  
likelihood of injury at a rate for which it was designed.  
• Do not overreach or use from unstable surfaces such  
as ladders, trees, steep slopes, rooftops, etc. Always  
keep proper footing and balance.  
• Mix and add petrol in a clean, well-ventilated outdoor  
area where there are no sparks or flames. Slowly  
remove the petrol cap only after stopping engine. Do  
not smoke while fueling or mixing petrol. Wipe up any  
spilled petrol from the unit immediately. Always wipe  
unit dry before using.  
• Always hold the unit with a firm grip when operating.  
• Keep hands, face, and feet at a distance from all moving  
parts. Do not touch or try to stop the impeller when it is  
rotating. Do not operate without guards in place.  
• Move the unit at least 9.1 m (30 feet) from the fueling  
source and site before starting the engine. Do not  
smoke or allow sparks and open flames near the area  
while adding petrol or operating the unit.  
• Do not put any object into openings. Do not use with  
any opening blocked; keep free of dirt, debris, and  
anything that may reduce the air flow.  
4
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RULES FOR SAFE OPERATION  
• Do not touch the engine or muffler. These parts get  
extremely hot from operation. When turned off they  
remain hot for a short time.  
• The unit is designed to pickup dry material such as  
leaves, grass, small twigs, and bits of paper. Do not  
attempt to vacuum wet debris and/or standing water  
as this may result in damage to the blower/ vacuum.  
To avoid severe damage to the impeller, do not  
vacuum metal, broken glass, etc.  
• Do not operate the engine faster than the speed  
needed to do the job. Do not run the engine at high  
speed when not in use.  
OTHER SAFETY WARNINGS  
• Always disconnect the spark plug before performing  
maintenance or accessing movable parts.  
• Always stop the engine when operation is delayed or  
when walking from one location to another.  
• Stop the engine for maintenance, repair, to install or  
remove the blower tubes or vacuum attachments. The  
unit must be stopped and the impeller no longer  
turning to avoid contact with the rotating blades.  
• Never store the unit, with petrol in the tank, inside a  
building where fumes may reach an open flame (pilot  
lights, etc.) or sparks (switches, electrical motors, etc.).  
• Use only original equipment manufacturer replacement  
parts when servicing this unit. These parts are available  
from your authorized service dealer. Do not use  
unauthorized parts, accessories, or attachments for  
this unit. Doing so could lead to serious injury to the  
user, or damage to the unit, and void your warranty.  
• Allow the engine to cool before storing or transporting.  
Be sure to secure the unit while transporting.  
• Store the unit in a dry place, either locked up or up  
high to prevent unauthorized use or damage. Keep out  
of the reach of children.  
• Never douse or squirt the unit with water or any other  
liquid. Keep handles dry, clean, and free from debris.  
Clean after each use, see Cleaning and Storage  
instructions.  
• Never use this unit for spreading chemicals, fertilizers  
or other substances which may contain toxic materials.  
• To reduce fire hazard, replace faulty muffler and spark  
arrestor, keep the engine and muffler free from grass,  
leaves, excessive grease or carbon build up.  
• Keep these instructions. Refer to them often and use  
them to instruct other users. If you loan this unit to  
others, also loan these instructions to them.  
WHILE OPERATING UNIT AS A BLOWER  
• Never point the blower in the direction of people or  
pets, or in the direction of windows. Always direct the  
blowing debris away from people, animals, and  
windows. Use extra caution when blowing debris near  
solid objects such as trees, automobiles, walls, etc.  
SPECIAL NOTE: Exposure to vibrations through prolonged  
use of petrol powered hand tools could cause blood vessel  
or nerve damage in the fingers, hands, and joints of people  
prone to circulation disorders or abnormal swelling.  
Prolonged use in cold weather has been linked to blood  
vessel damage in otherwise healthy people. If symptoms  
occur such as numbness, pain, loss of strength, change in  
skin color or texture, or loss of feeling in the fingers, hands or  
joints, discontinue use of this tool and seek medical  
attention. An anti-vibration system does not guarantee  
avoidance of these problems. Users who operate power  
tools on a regular basis must closely monitor their physical  
condition and the condition of this tool.  
WHILE OPERATING UNIT AS A VACUUM  
• Avoid situations that could catch the vacuum bag on  
fire. Do not operate near an open flame. Do not  
vacuum warm ash from fireplaces, barbecue pits,  
brush piles, etc. Do not vacuum discarded cigars or  
cigarettes unless the cinders are completely cool.  
SAVE THESE  
INSTRUCTIONS  
5
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RULES FOR SAFE OPERATION  
SAFETY AND 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  
• ON/OFF STOP CONTROL  
• SAFETY ALERT SYMBOL  
ON / START / RUN  
Indicates danger, warning, or  
caution. May be used in conjunction  
with other symbols or pictographs.  
• ON/OFF STOP CONTROL  
OFF or STOP  
• WARNING - READ OPERATOR'S  
MANUAL  
Read the Operator’s Manual(s) and  
follow all warnings and safety  
instructions. Failure to do so can  
result in serious injury to the  
operator and/or bystanders.  
• HOT SURFACE 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.  
• WEAR EYE AND HEARING  
PROTECTION  
CHOKE CONTROL  
WARNING: Thrown objects and  
loud noise can cause severe eye  
injury and hearing loss. Wear eye  
protection meeting ANSI Z87.1-1989  
standards and ear protection when  
operating this unit. Use a full face  
shield when needed.  
A • FULL choke position.  
B • PARTIAL choke position.  
C • RUN position.  
• BLOWERS – ROTATING  
IMPELLER BLADES CAN  
CAUSE SEVERE INJURY  
WARNING: Stop the engine and  
allow the impeller to stop before  
opening the vacuum door, installing  
or changing tubes or bag, or before  
cleaning or performing any  
• KEEP BYSTANDERS AWAY  
WARNING: Keep all bystanders,  
especially children and pets, at least  
15 m (50 feet) from the operating area.  
maintenance.  
• BLOWER/VACUUM MODE  
CHANGE-OVER LEVER  
• UNLEADED PETROL  
A - Vacuum mode  
B - Blower mode  
Always use clean, fresh unleaded  
petrol.  
• THROTTLE CONTROL  
• OIL  
Indicates “HIGH” or “FASTEST” speed.  
Refer to operator's manual for the  
proper type of oil.  
• THROTTLE CONTROL  
• THROWN OBJECTS AND  
ROTATING CUTTER CAN CAUSE  
SEVERE INJURY  
Indicates “IDLE”, “LOW” or  
SLOWEST” speed.  
WARNING: Keep clear of blower  
outlet. Never point the blower at  
yourself or others. Objects can be  
thrown from blower. Do not  
operate unit without proper  
attachments and guards in place.  
6
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RULES FOR SAFE OPERATION  
KNOW YOUR UNIT  
Throttle Control  
APPLICATION  
As a blower:  
• Cleaning yards, garages, driveways, porches,  
patios, around walls, fences and more  
As a vacuum:  
• Picking up leaves and other light debris  
Petrol Cap  
Starter Rope  
Grip  
On/Off Stop Control  
Blower/Vacuum Tube  
Vacuum Inlet  
Shoulder  
Harness  
Blower Outlet  
Vacuum Bag Hook  
Blower/Vacuum Mode  
Change-Over Lever  
Spark Plug  
Vacuum Bag  
Vacuum Bag Zipper  
Choke Control  
Primer  
Air filter/muffler cover  
Patio  
Head  
Muffler  
7
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ASSEMBLY INSTRUCTIONS  
Removing  
ATTACHING AND REMOVING THE  
BLOWER/VACUUM TUBE  
NOTE: It may be necessary to remove the  
Blower/Vacuum Tube to clear a blocked tube  
or impeller.  
WARNING: To avoid serious personal injury,  
the blower/vacuum tube and vacuum bag  
must be used when operating this unit.  
WARNING: To prevent serious personal  
injury, stop the engine and allow the impeller  
to stop before attaching or removing tubes.  
Attaching  
NOTE: The Blower/Vacuum Tube comes unassembled  
on this unit. Installation is required to provide  
safe and easy use for the operator.  
1. Remove the 2 (two) self-tapping screws from either  
side of the housing.  
2. Remove the 2 (two) screws and nuts holding the  
blower/vacuum tube on the housing (Fig. 2).  
WARNING: To prevent serious personal  
injury, stop the engine and allow the impeller  
to stop before attaching or removing tubes.  
NOTE: Keep the hardware in a safe place for future use.  
1. Remove the screws and nuts provided from the  
hardware pack.  
2. Insert the blower/vacuum tube all the way into the  
opening on the motor housing until the holes in the  
tabs on the blower/vacuum tube align with the screw  
holes in the housing (Fig. 1).  
3. Insert the 2 (two) 8-32 x 3/4” slotted T20 Torx screws  
into the right side of the motor housing and the 2 (two)  
nuts into the left side of the motor housing (Fig. 1).  
Motor Housing  
Nut  
Screw  
and Nut  
Self Tapping  
Screw  
Blower/Vacuum  
Tube  
Screw and Nut  
Fig. 2  
3. Remove the blower/vacuum tube from the motor  
housing.  
4. Replace Blower/Vacuum Tube before use.  
Screw  
Self-Tapping Screw  
Fig. 1  
4. Tighten the screws firmly. Do not over-tighten.  
5. Install the 2 (two) remaining self-tapping 8-16 x 3/4”  
slotted T20 Torx screws into the holes on either side  
of the housing (Fig. 1). Tighten until snug, do not  
over-tighten.  
8
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ASSEMBLY INSTRUCTIONS  
ATTACHING AND REMOVING THE VACUUM BAG  
INSTALLING THE SHOULDER HARNESS  
Attaching  
WARNING: To avoid serious personal  
injury, never attempt to start the unit when  
standing, when the unit is clipped to the  
shoulder strap. Always follow the starting  
procedures as described in the Starting/  
Stopping Instructions section.  
1. Attach the vacuum bag to the vacuum bag hook on  
the blower/vacuum tube (Fig. 3).  
1. Push the strap through the center of the buckle.  
2. Pull the strap over the cross bar and down through  
the slot in the buckle (Fig. 6).  
Vacuum Bag Hook  
Fig. 3  
2. Slide the vacuum bag tube over the debris exhaust  
tube on the housing. Push the tube until the latching  
tabs on both sides click into place, securing the bag  
on the unit (Fig. 4).  
Clip  
Fig. 6  
3. Snap the clip on to the support fitting (Fig. 7).  
Latching Tabs  
Debris Exhaust Tube  
Support Fitting  
Vacuum Bag Tube  
Vacuum Bag  
Zipper  
Fig. 4  
Clip  
Removing  
Fig. 7  
1. Press the latching tabs on both sides of the vacuum  
bag tube and pull the vacuum bag down from the  
unit (Fig. 5).  
4. While standing in the operating position adjust length  
to fit the operator’s size. Pull tab to lengthen, pull  
strap to shorten (Fig 8).  
2. Detach the vacuum bag from the vacuum bag hook.  
Latching Tabs  
PRESS IN  
PRESS IN  
Fig. 8  
Fig. 5  
9
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OIL AND PETROL INFORMATION  
Thoroughly mix the proper ratio of 2-cycle engine oil  
OIL AND PETROL MIXING INSTRUCTIONS  
with unleaded petrol in a separate petrol can. Use a 40:1  
petrol/oil ratio. Do not mix them directly in the engine  
petrol tank. See the table below for specific petrol and  
oil mixing ratios.  
Old and/or improperly mixed petrol are the main reasons  
for the unit not running properly. Be sure to use fresh,  
clean unleaded petrol. Follow the instructions carefully  
for the proper petrol/oil mixture.  
NOTE: 3.8 liters (1 US gallon) of unleaded petrol mixed  
with one 95 ml (3.2 oz) bottle of  
Definition of Blended Petrols  
2-cycle oil makes a 40:1 petrol/oil ratio.  
Today's petrols are often a blend of petrol and  
oxygenates such as ethanol, methanol, or MTBE (ether).  
Alcohol-blended petrol absorbs water. As little as 1%  
water in the petrol can make petrol and oil separate. It  
forms acids when stored. When using alcohol-blended  
petrol, use fresh petrol (less than 60 days old).  
+
Using Blended Petrols  
If you choose to use a blended petrol, or its use is  
unavoidable, follow recommended precautions:  
UNLEADED PETROL  
2 CYCLE OIL  
• Always use the fresh petrol mix explained in your  
operator's manual  
3.8 LITERS  
95 ml  
• Always agitate the petrol mix before fueling the unit  
(1 GALLON US)  
(3.2 FL. OZ)  
• Drain the tank and run the engine dry before storing  
the unit  
1 LITER  
25 ml  
MIXING RATIO - 40:1  
Using Petrol Additives  
The bottle of 2-cycle oil that came with your unit  
contains a petrol additive which will help inhibit  
corrosion and minimize the formation of gum deposits. It  
is recommended that you use our 2-cycle oil with this  
unit.  
WARNING: Petrol is extremely flammable.  
Ignited Vapors may explode. Always stop  
the engine and allow it to cool before filling  
the petrol tank. Do not smoke while filling  
the tank. Keep sparks and open flames at a  
distance from the area.  
If unavailable, use a good 2-cycle oil designed for  
air-cooled engines along with a petrol additive, such as  
STA-BIL® Petrol Stabilizer or an equivalent. Add 23 ml  
(0.8 oz) of petrol additive per gallon of petrol according  
to the instructions on the container. NEVER add petrol  
additives directly to the unit's petrol tank.  
WARNING: Remove petrol cap slowly to avoid  
injury from petrol spray. Never operate the unit  
without the petrol cap securely in place  
.
CAUTION: For proper engine operation  
and maximum reliability, pay strict attention  
to the oil and petrol mixing instructions on  
the 2-cycle oil container. Using improperly  
mixed petrol can severely damage the engine.  
WARNING: Add petrol in a clean, well  
ventilated outdoor area. Wipe up any spilled  
petrol immediately. Avoid creating a source  
of ignition for spilt petrol. Do not start the  
engine until petrol vapors dissipate.  
NOTE: Dispose of the old petrol/oil mix in accordance to  
Federal, State and Local regulations.  
10  
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STARTING/STOPPING INSTRUCTIONS  
Throttle Control  
Idle  
Fast  
STARTING INSTRUCTIONS  
WARNING: Operate this unit only in a well-  
ventilated outdoor area. Carbon monoxide  
exhaust fumes can be lethal in a confined area.  
WARNING: Avoid accidental starting. Make  
sure you are in the starting position when  
pulling the starter rope (Fig. 11). To avoid  
serious injury, the operator and unit must be  
in a stable position while starting.  
Do not set unit on any surface except a  
clean, hard area while starting. Debris such  
as gravel, sand, dust and grass could be  
picked up by the air intake and thrown out  
by the discharge opening. This could  
damage the unit, property, or cause serious  
injury to bystanders or operator.  
On/Off Stop Control  
Fig. 9  
A
B
C
1. Mix petrol with oil. Fill petrol tank with petrol/oil  
Position C  
Position B  
Position A  
mixture. Refer to Oil and Petrol Mixing Instructions.  
WARNING: To avoid serious personal  
injury, always remove the vacuum bag prior  
to refueling the unit. The bag may become  
a fire hazard when saturated with petrol.  
Choke Control  
NOTE: The throttle control will remain in the position it’s  
placed until moved by the operator. Fast position  
is to the right.  
Primer Bulb  
2. Set the blower/vacuum mode change-over lever to  
the up position (Blower Mode). See Operating as a  
Blower. This prevents the vacuum bag from filling up  
while starting the engine.  
Fig. 10  
3. Fully press and release the primer bulb 10 times,  
slowly, until PETROL IS VISIBLE IN THE PRIMER  
BULB (Fig. 10). If you can’t see petrol in the bulb,  
press and release the bulb as many times as it takes  
before you can see petrol in it.  
4. Place the choke lever in Position A (Fig. 10).  
Starter Rope  
5. Place the unit in the starting position (Fig. 11). Move  
the throttle control to the fast position (  
6. Pull the starter rope briskly 5 times.  
7. Place the choke lever in Position B.  
) (Fig. 9).  
8. Pull starter rope briskly 1 to 3 times to start the  
engine (Fig. 11).  
9. If the engine does not start, repeat steps 3 through 8.  
Fig. 11  
NOTE: If the engine floods while trying to start, place the  
choke lever in Position C. Move the throttle  
control to the fast position (  
). Pull the starter  
rope briskly. The engine should start with three  
(3) to eight (8) pulls.  
STOPPING INSTRUCTIONS  
1. Move the throttle control to the idle position (  
Allow the engine to cool down by idling for 10-15  
seconds.  
).  
10. Allow the engine to warm up up for 5 to 10 seconds.  
Place the choke lever in Position C.  
NOTE: Choking is unnecessary when starting a warm  
2. Press the On/Off Stop control down in the STOP (O)  
engine. Put the throttle control in the fast position  
position until the engine comes to a complete stop.  
(
) (Fig 9) and start unit with the choke control  
in Position B.  
11  
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OPERATING INSTRUCTIONS  
• To reduce noise levels, operate power blowers at the  
HOLDING THE BLOWER/VACUUM  
Before operating the unit, stand in the operating position.  
(Fig. 12). Check for the following:  
lowest possible speed to do the job.  
• Check your equipment before operation, especially the  
muffler, air intakes and air filters.  
• Operator is wearing proper clothing, such as boots,  
safety glasses or goggles, ear/hearing protection,  
gloves, long pants and long sleeve shirt  
• Use rakes and brooms to loosen debris before blowing.  
• In dusty conditions, slightly dampen surfaces or use a  
mister attachment when water is available.  
WARNING: To avoid serious personal  
injury, wear goggles or safety glasses at all  
times when operating this unit. Wear a face  
mask or dust mask in dusty locations  
• Conserve water by using power blowers instead of  
hoses for many lawn and garden applications,  
including areas such as gutters, screens, patios, grills,  
porches, and gardens.  
• If the conditions are dusty, the operator is wearing a  
dust mask or face mask  
• Watch out for children, pets, open windows or freshly  
washed cars, and blow debris safely away.  
• The unit is in good working condition  
• Use the full blower nozzle extension so the air stream  
can work close to the ground.  
• The tubes and guards are in place and secure  
• Clean up after using blowers and other equipment.  
Dispose of debris appropriately.  
WARNING: To prevent serious personal injury  
or damage to the unit, make sure blower  
tubes or vacuum tubes and the vacuum bag  
are in place before you operate the unit.  
OPERATING AS A BLOWER  
Converting to a Blower  
1. Start engine. See Starting/Stopping Instructions.  
OPERATING TIPS  
• Be sure the vacuum bag is zipped closed before  
operating the unit.  
2. Set the blower/vacuum mode change-over lever to  
the up position (Blower Mode) (Fig. 13).  
NOTE: Never use the unit with the lever in a position half  
• Assure the unit is not directed at anybody or any loose  
debris before starting the unit.  
way between either mode.  
3. Place the shoulder harness over your head and onto  
your shoulder and adjust it. Refer to Installing the  
Shoulder Harness.  
• Verify that the unit is in good working condition. Make  
sure the tubes and guards are in place and secure.  
• Always hold the unit with both hands when operating.  
Keep a firm grip on both the front and rear handle or grips.  
• To reduce the risk of hearing loss associated with sound  
level(s), hearing protection is required.  
Vacuum  
Mode  
• Operate power equipment only at reasonable hours—  
not early in the morning or late at night when people  
might be disturbed. Comply with times listed in local  
ordinances. Usual recommendations are 9:00 am to  
5:00 pm, Monday through Saturday.  
Change-over lever  
Blower  
Mode  
• To reduce noise levels, limit the number of pieces of  
equipment used at any one time.  
Fig. 13  
Blower Operating Procedures  
Hold the blower as shown in Figures 14, 15, and 16.  
Sweep from side to side with the nozzle several inches  
above the ground or floor. Slowly advance the unit,  
keeping the accumulated pile of debris in front of you.  
Most dry blowing operations are better suited to low  
speeds, rather than high. High speed blowing is a better  
way to move heavier items like large debris or gravel.  
1
Use the blower for trees, shrubs, flower beds and  
hard-to-clean areas (Fig. 14).  
2. Use the unit around buildings and for other normal  
cleaning procedures (Fig. 15).  
3. Use the blower around walls, overhangs, fences and  
screens (Fig. 16).  
Fig. 12  
12  
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OPERATING INSTRUCTIONS  
Vacuum Operation Procedures  
Check for the following before operating the unit:  
• Operator is wearing proper clothing, such as boots,  
safety glasses or goggles, ear/hearing protection,  
gloves, long pants and long sleeve shirt  
• If the conditions are dusty, operator is equipped with a  
dust mask or face mask  
• The unit is in good working condition-- the vacuum  
tubes and vacuum bag are in place and secure.  
• The vacuum bag harness is in place and adjusted  
Use the unit for vacuuming up light debris like leaves  
and paper. Hold the vacuum, tilting the suction tube  
slightly (50-100 mm or 2-4 inches), and use a sweeping  
action to collect light debris (Fig. 18). The debris will flow  
into the vacuum bag. Items such as small leaves and  
small twigs will be mulched as they pass through the fan  
housing, allowing the vacuum bag to hold more debris.  
Fig. 14  
Fig. 15  
When the bag is full, suction will noticeably decrease.  
Turn off the unit and allow the impeller to stop before you  
unzip the bag. Unzip the bag and empty the contents  
before continuing. Refer to Emptying the Vacuum Bag.  
Fig. 16  
OPERATING AS A VACUUM  
Converting to Vacuum  
1. Start engine. See Starting/Stopping Instructions.  
2. Set the blower/vacuum mode change-over lever to  
the down position (Vacuum Mode) (Fig. 17).  
NOTE: Never use the unit with the lever in a position half  
Fig. 18  
way between either mode.  
3. Place the shoulder harness over your head, onto  
your shoulder and adjust it if necessary. Refer to  
Installing the Shoulder Harness.  
WARNING: To avoid serious personal  
injury, never unzip the vacuum bag without  
stopping the unit first  
WARNING: As a vacuum, the unit is  
designed to pick up dry material such as  
leaves, grass, small twigs and bits of paper.  
To avoid serious personal injury, do not  
attempt to vacuum wet debris and/or  
standing water as this may result in damage  
to the blower/ vacuum. To avoid severe  
damage to the impeller, do not vacuum metal,  
broken glass or similar items.  
Vacuum  
Mode  
Blower  
Mode  
Change-over lever  
WARNING: Avoid situations that could  
catch the vacuum bag on fire. Do not  
operate near an open flame. Do not  
vacuum warm ash from fireplaces,  
barbecue pits, brush piles, etc. Do not  
vacuum discarded cigars or cigarettes  
unless the cinders are completely cool.  
Fig. 17  
WARNING: To prevent serious personal injury  
or damage to the unit, always install vacuum  
tubes, the vacuum bag and make sure the  
vacuum bag is completely zipped closed  
when operating this unit as a vacuum.  
13  
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OPERATING INSTRUCTIONS  
When the bag is full, suction will noticeably decrease.  
Turn off the unit before removing the bag. Unzip the bag  
and empty the contents before continuing.  
CLEARING A BLOCKED TUBE / IMPELLER  
WARNING: To avoid serious personal injury,  
be sure the unit is off before cleaning or  
performing any maintenance on it.  
NOTE: Empty the bag after each use to avoid  
deterioration and obstructing air flow, which will  
reduce the performance of the vacuum  
WARNING: To avoid serious personal injury,  
always wear gloves to protect yourself from  
the impeller blades or other sharp objects.  
PATIO HEAD  
NOTE: The unit must be operated as a vacuum to use  
the patio head. Refer to Operating as a Vacuum.  
1. Press the On/Off Stop control in the STOP (O) pos-  
ition until the engine comes to a complete stop (Fig. 9).  
Installing the Patio Head  
1. Turn the unit so that the blower/vacuum tube  
2. Disconnect the spark plug wire to prevent the unit  
from starting.  
openings are straight up. (Fig. 19)  
2. Place the Patio Head’s round opening into the round  
vacuum opening (Fig.19).  
3. Remove the blower/vacuum tube and the vacuum bag.  
4. Carefully remove material blocking the tube or  
impeller. Inspect the blades to assure no damage has  
occurred. Rotate the impeller blades by hand to  
assure the blockage is completely cleared.  
3. Press down until Patio Head seats into place.  
5. Reinstall the vacuum bag and blower/vacuum tube.  
6. Reconnect the spark plug wire.  
EMPTYING THE VACUUM BAG  
WARNING: To avoid serious personal  
injury, never unzip or remove the vacuum  
bag without first turning the unit off.  
NOTE: Empty the bag after each use to avoid  
deterioration and obstructing air flow, which will  
reduce the performance of the vacuum.  
Fig. 19  
1. While pressing the latching tabs on both sides of the  
vacuum bag tube, pull the vacuum bag down off the  
unit (Fig. 21).  
Operating the Patio Head  
Hold the vacuum, tilting the blower/vacuum tube down.  
The Patio Head should roll without scraping, adjust the  
angle of the tube so that the Patio Head opening runs  
parallel to the ground. Use a forward and backward  
motion to vacuum up debris (Fig. 20). Small leaves and  
twigs will flow into the vacuum bag and be mulched as  
they pass through the fan housing, allowing the vacuum  
bag to hold more debris. DO NOT attempt to vacuum up  
materials that are larger than the Patio Head Openings.  
WARNING: Wear eye protection and a dust  
mask when emptying the vacuum bag.  
2. Detach the vacuum bag from the vacuum bag hook.  
Latching tabs  
Removing the Patio Head  
1. Turn the unit so that the blower/vacuum tube  
openings are straight up. (Fig. 19)  
PRESS IN  
2. Place one hand on the blower part of the tube and  
grip the Patio Head with the other.  
PRESS IN  
3. Pull the Patio Head straight up.  
Fig. 21  
3. Unzip the bag and empty the contents into a  
garbage bag or container.  
4. Turn the bag inside out after initial emptying and  
vigorously shake out dust and debris.  
5. Return the bag to outside in, zip the bag closed and  
reinstall vacuum bag.  
Fig. 20  
14  
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MAINTENANCE AND REPAIR INSTRUCTIONS  
NOTE: Maintenance, replacement, or repair of the  
MAINTENANCE SCHEDULE  
Perform these required maintenance procedures at the  
frequency stated in the table. These procedures should  
also be a part of any seasonal tune-up.  
emission control devices and system may be  
performed by any non-road engine repair  
establishment, individual or authorized service  
dealer.  
NOTE: Some maintenance procedures may require  
special tools or skills. If you are unsure about  
these procedures take your unit to any non-road  
engine repair establishment, individual or  
authorized service dealer.  
In order to assure peak performance of your engine,  
inspection of the engine exhaust port may be necessary  
after 50 hours of operation. If you notice lost RPM, poor  
performance or general lack of acceleration, this service  
may be required. If you feel your engine is in need of this  
inspection, refer service to any non-road engine repair  
establishment, individual or authorized service dealer for  
repair. DO NOT attempt to perform this process yourself  
as engine damage may result from contaminants  
involved in the cleaning process for the port.  
WARNING: To prevent serious injury, never  
perform maintenance or repairs with unit  
running. Always service and repair a cool unit.  
Disconnect the spark plug wire to ensure that  
the unit cannot start.  
FREQUENCY  
MAINTENANCE REQUIRED  
REFER TO  
Before starting engine  
Every 10 hours  
Fill petrol tank with fresh petrol  
Page 10  
Page 15  
Clean and re-oil air filter  
Check and clean spark arrestor  
Check spark plug condition and gap  
Page 16  
Page 17  
Every 25 hours  
Every 50 hours  
Inspect exhaust port and spark arrestor screen for clogging or  
obstruction to assure maximum performance levels  
Page 16  
AIR FILTER MAINTENANCE  
Removing the Air Filter/Muffler Cover  
Cleaning the Air Filter  
Clean and re-oil the air filter every 10 hours of operation.  
It is an important item to maintain. Failure to maintain the  
air filter will VOID the warranty.  
WARNING: To avoid serious personal injury,  
always turn your unit off and allow it to cool  
before you clean or service it.  
1. Remove air filter/muffler cover. Refer to Removing  
the Air Filter/Muffler Cover.  
2. Turn cover over and look inside to locate the air filter.  
Remove the air filter from inside the air filter/muffler  
cover (Fig. 23).  
3. Wash the filter in detergent and water (Fig. 24). Rinse  
the filter thoroughly. Squeeze out excess water. Allow  
it to dry completely.  
1. Place the choke lever in the PARTIAL choke position (B).  
NOTE: The choke lever must be in the PARTIAL choke  
position (B) to remove the air filter/ muffler cover.  
2. Remove the four (4) screws securing the air  
filter/muffler cover (Fig. 22). Use a flat blade or  
T-20 Torx bit screwdriver.  
3. Pull the cover from the engine. Do not force.  
Choke Lever  
Partial Choke  
Position (B)  
Air Filter  
Screws  
Screws  
Inside Muffler  
Cover  
Fig. 24  
Fig. 23  
Fig. 22  
15  
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MAINTENANCE AND REPAIR INSTRUCTIONS  
7. Place the exhaust gasket against muffler's back side.  
Align the gasket bolt holes with the bolt holes in the  
muffler. While holding exhaust gasket in place, insert  
the bolts into the muffler's front side (Fig. 27).  
8. Place the muffler (with the exhaust gasket in place  
and bolts inserted), against the engine, aligning the  
bolt holes. Tighten the bolts to secure the muffler to  
the engine.  
If using a torque wrench, torque to:  
9-10.2 Nm (80-90 in.lb.)  
9. Reinstall the air filter/muffler cover.  
Fig. 25  
Fig. 26  
4. Apply enough clean SAE 30 oil to lightly coat the  
WARNING: If the muffler is not tightened  
securely, it could fall off causing damage to  
the unit and possible serious personal injury  
filter (Fig. 25).  
5. Squeeze the filter to spread and remove excess oil  
(Fig. 26).  
6. Replace the air filter inside the air filter/muffler cover  
(Fig. 23).  
NOTE: Operating the unit without the air filter and air  
filter/muffler cover assembly will VOID the  
warranty.  
Exhaust  
Gasket  
Spark  
Arrestor  
Bolts  
Reinstalling the Air Filter/Muffler Cover  
1. Place the air filter/muffler cover over the back of the  
carburetor and muffler. Align the screw holes.  
2. Insert the four (4) screws into the holes in the air  
filter/muffler cover (Fig. 22) and tighten.  
Do not over tighten.  
SPARK ARRESTOR MAINTENANCE  
1. Remove air filter/muffler cover. Refer to Removing  
the Air Filter/Muffler Cover.  
2. Locate muffler front and the two (2) bolts securing it  
to the engine (Fig. 27). Remove the two (2) bolts  
using a Torx screwdriver or 5/16-inch socket or nut  
driver. Pull muffler off of the engine.  
Muffler - Front Side  
Muffler - Back Side  
Fig. 27  
3. Turn muffler over to the back side and locate the  
exhaust gasket. Remove the muffler gasket from the  
muffler (Fig. 27).  
Spark  
Arrestor  
Flatblade  
Screwdriver  
NOTE: If the exhaust gasket is torn or damaged, replace  
it with a new gasket before reassembling muffler.  
4. Using a small flatblade screwdriver, carefully pry up  
the spark arrestor from the recessed hole (Fig. 28).  
Remove the spark arrestor from the muffler.  
5. Clean the spark arrestor with a wire brush. Replace it  
if it is damaged or if it is impossible to clean  
thoroughly (Fig. 28).  
6. Reinstall the spark arrestor by pressing it into the  
recessed hole on the muffler's back side. Make sure  
it fits tightly against the muffler and is not raised up.  
Spark Arrestor  
Muffler - Back Side  
Fig. 28  
16  
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MAINTENANCE AND REPAIR INSTRUCTIONS  
CARBURETOR ADJUSTMENT  
The idle speed of the engine is adjustable through the air  
filter/muffler cover (Fig. 29).  
Idle Speed Screw  
NOTE: Careless adjustments can seriously damage your  
unit. An authorized service dealer should make  
carburetor adjustments.  
Check Petrol Mixture  
Old and/or improperly mixed petrol is usually the reason  
for improper unit performance. Drain and refill the tank  
with fresh, properly-mixed petrol prior to making any  
adjustments. Refer to Oil and Petrol Information.  
Clean Air Filter  
The condition of the air filter is important to the operation  
of the unit. A dirty air filter will restrict air flow and  
change the air/petrol mixture. This is often mistaken for  
an out of adjustment carburetor. Check the condition of  
the air filter before adjusting the idle speed screw. Refer  
to Air Filter Maintenance.  
Fig. 29  
Checking the petrol mixture, cleaning the air filter, and  
adjusting the idle speed should solve most engine  
problems. If not and all of the following are true:  
• the engine will not idle  
Adjust Idle Speed Screw  
• the engine hesitates or stalls on acceleration  
• there is a loss of engine power  
WARNING: This unit will need to be running  
during idle speed adjustment. Wear  
protective clothing and observe all safety  
instructions to prevent serious personal injury.  
Have the carburetor adjusted by an authorized service dealer.  
REPLACING THE SPARK PLUG  
Use a Champion RDJ7Y spark plug, or equivalent. The  
correct air gap is 0.5 mm (0.020 inch). Remove the plug  
after every 25 hours of operation and check its condition.  
1. Stop the engine and allow it to cool. Grasp the plug  
wire firmly and pull it from the spark plug.  
Also, DO NOT set unit on any surface  
except a clean, hard area while starting or  
performing any adjustments. Debris such as  
gravel, sand, dust, grass, etc. could be  
picked up by the air intake and thrown out  
by the discharge opening, damaging unit,  
property, or causing serious injury to  
bystanders or operator.  
2. Clean around the spark plug. Remove the spark plug  
from the cylinder head by turning a 5/8-inch socket  
counterclockwise.  
3. Replace a cracked, fouled or dirty spark plug. Set  
the air gap at 0.5 mm (0.020 inch) using a feeler  
gauge (Fig. 30).  
If after checking the petrol mixture and cleaning the air  
filter the engine still will not idle, adjust the idle speed  
adjuster as follows.  
CAUTION: Do not sand blast, scrape or  
clean electrodes. Grit in the engine could  
damage the cylinder.  
1. Start the engine and let it run at a high idle for a  
minute to warm up.  
2. Set the blower/vacuum mode change-over lever to  
the up position (Blower Mode). Refer to Operating as  
a Blower.  
4. Install a correctly-gapped spark plug in the cylinder  
head. Tighten by turning the 5/8-inch socket  
clockwise until snug.  
NOTE: Setting the lever to the blower mode prevents the  
vacuum bag from filling up while starting or  
running the unit.  
If using a torque wrench torque to:  
12.3-13.5 Nm (110-120 in.lb)  
Do not over tighten.  
3. Move the throttle control and let the engine idle. If the  
engine stops, insert a small phillips or flat blade  
screwdriver into the hole in the air filter/muffler cover  
(Fig. 29). Turn the idle speed adjuster in, clockwise,  
1/8 of a turn at a time (as needed) until the engine  
idles smoothly.  
4. If the unit appears to be idling too fast, turn the idle  
speed adjuster counterclockwise 1/8 of a turn at a  
time (as needed), to reduce idle speed.  
0.5 mm  
(0.020 in)  
Fig. 30  
17  
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MAINTENANCE AND REPAIR INSTRUCTIONS  
2. Start the engine and allow it to run until it stalls. This  
CLEANING THE UNIT  
ensures that all petrol has been drained from the  
carburetor.  
WARNING: To avoid serious personal injury,  
always turn your unit off and allow it to cool  
before you clean or service it.  
3. Allow the engine to cool. Remove the spark plug and  
put 30 ml (1 oz.) of any high quality motor oil or  
2-cycle oil into the cylinder. Pull the starter rope  
slowly to distribute the oil. Reinstall the spark plug.  
Use a small brush to clean off the outside of the unit.  
Do not use strong detergents. Household cleaners that  
contain aromatic oils such as pine and lemon, and  
solvents such as kerosene, can damage plastic housing  
or handle. Wipe off any moisture with a soft cloth.  
NOTE: Remove the spark plug and drain all of the oil  
from the cylinder before attempting to start the  
unit after storage.  
4. Thoroughly clean the unit and inspect it for any loose  
or damaged parts. Repair or replace damaged parts  
and tighten loose screws, nuts or bolts. The unit is  
ready for storage.  
CLEANING THE VACUUM BAG  
1. Empty the bag after each use to avoid deterioration  
and obstructing air flow, which will reduce the  
performance of the vacuum.  
TRANSPORTING  
• Allow the engine to cool before transporting.  
2. Wearing eye protection and a dust mask, clean the  
bag as needed. Turn the bag inside out after initial  
emptying and vigorously shake out dust and debris.  
• Drain petrol from unit.  
3. Wash the bag once a year or more often if needed:  
a. Remove the vacuum bag.  
b. Turn bag inside out.  
• Tighten petrol cap before transporting.  
• Secure the unit while transporting.  
c. Hang it up.  
ACCESSORIES/ REPLACEMENT PARTS  
2-Cycle Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147543  
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 610311  
Petrol Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180000  
Vacuum Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . .182416  
Blower/Vacuum Tube Assembly . . . . . . . . . . . . .182415  
Shoulder Harness . . . . . . . . . . . . . . . . . . . . . . . .682075  
d. Hose it down thoroughly.  
e. Hang to dry.  
f. Turn bag right-side out and reinstall.  
STORAGE  
• Never store a unit filled with petrol where fumes may  
reach an open flame or spark.  
• Allow the engine to cool before storing.  
• Store the unit locked up to prevent unauthorized use  
or damage.  
For specific replacement parts, refer to the parts list  
located on the inside back cover of this manual.  
• Store the unit in a dry, well-ventilated area.  
• Store the unit out of the reach of children.  
LONG TERM STORAGE  
If you plan on storing the unit for an extended time, use  
the following storage procedure:  
1. Drain all petrol from the petrol tank into a container  
with the same 2-cycle petrol mixture. Do not use  
petrol that has been stored for more than 60 days.  
Dispose of the old petrol/oil mix in accordance to  
Federal, State and Local regulations.  
18  
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TROUBLESHOOTING  
ENGINE WILL NOT START  
C A U S E  
A C T I O N  
Choke is in the incorrect position  
Empty petrol tank  
Refer to the Starting/Stopping instructions  
Fill petrol tank with properly mixed petrol  
Press primer bulb fully and slowly 10 times  
Use starting procedure WITHOUT USING the CHOKE  
Drain petrol tank / Add fresh petrol mixture  
Replace or clean the spark plug  
Primer bulb wasn't pressed enough  
Engine flooded  
Old or improperly mixed petrol  
Fouled spark plug  
Plugged spark arrestor  
Clean or replace spark arrestor  
ENGINE WILL NOT IDLE  
C A U S E  
A C T I O N  
Air filter is plugged  
Replace or clean the air filter  
Old or improperly mixed petrol  
Improper carburetor adjustment  
Drain petrol tank / Add fresh petrol mixture  
Adjust according to the Carburetor Adjustments section  
ENGINE WILL NOT ACCELERATE  
C A U S E  
A C T I O N  
Old or improperly mixed petrol  
Improper carburetor adjustment  
Drain petrol tank / Add fresh petrol mixture  
Take to an authorized service dealer for  
carburetor adjustment  
Dirty air filter  
Clean or replace the air filter  
Clean or replace spark arrestor  
Plugged spark arrestor  
ENGINE LACKS POWER OR STALLS  
C A U S E  
A C T I O N  
Old or improperly mixed petrol  
Air filter is plugged  
Drain petrol tank / Add fresh petrol mixture  
Replace or clean the air filter  
Improper carburetor adjustment  
Take to an authorized service dealer for  
carburetor adjustment  
Fouled spark plug  
Replace or clean the spark plug  
Clean or replace spark arrestor  
Plugged spark arrestor  
UNIT WILL NOT BLOW OR VACUUM  
C A U S E  
Bag full  
A C T I O N  
Empty bag, as described in Empty the Vacuum Bag  
Blocked tube  
Clear the blockage as described in Clearing a Blocked  
Tube/ Impeller  
Blocked impeller  
Damaged impeller  
Clear the blockage as described in Clearing a Blocked  
Tube/ Impeller  
Take the unit to an authorized service dealer  
If further assistance is required, contact your authorized service dealer.  
19  
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SPECIFICATIONS  
ENGINE  
Engine Type.......................................................................................................................................... Air-Cooled, 2-Cycle  
Displacement............................................................................................................................................. 31 cc (1.9 cu. in)  
Operating RPM.................................................................................................................................................. 7,100+ rpm  
Idle Speed RPM ........................................................................................................................................ 3,600-4,800 rpm  
Ignition Type.......................................................................................................................................................... Electronic  
On/Off Stop Control....................................................................................................................................... Rocker Switch  
Spark Plug Gap ..................................................................................................................................... 0.5 mm (0.020 inch)  
Lubrication ................................................................................................................................................ Petrol/Oil Mixture  
Petrol/Oil Ratio.............................................................................................................................................................. 40:1  
Carburetor....................................................................................................................................... Diaphragm, All-Position  
Starter............................................................................................................................................................... Auto Rewind  
Muffler..................................................................................................................................................... Baffled with Guard  
Petrol Tank Capacity .............................................................................................................................. 384 ml (13 ounces)  
BLOWER / VACUUM  
Throttle Control........................................................................................................................................... Finger-Tip Lever  
Blower Velocity............................................................................................................................. up to 257 kmh (160 mph)  
Blower Air Output ........................................................................................................................ up to 12.1 cmm (424 cfm)  
Mulching Ratio...................................................................................................................................................... up to 10:1  
Vacuum Bag Capacity .................................................................................................................. 26.4 Liters (0.75 bushels)  
Shoulder Harness ................................................................................................. Optional Accessory (Single Quick-Snap)  
Weight (no petrol, with blower/vacuum tube and empty vacuum bag) ......................................................... 6 kg (13.5 lb.)  
20  
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NOTES  
21  
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PARTS LIST  
ENGINE PARTS - MODEL BL3100  
2-CYCLE PETROL MULCHING BLOWER VACUUM  
3
32  
4
5
6
16  
7
18  
17  
11  
20  
13  
3
8
9
21  
19  
44  
10  
1
2
12  
14  
15  
23  
42  
43  
40  
24  
38  
25  
26  
29  
30  
27  
41  
35  
31  
28  
39  
45  
37  
36  
34  
22  
32  
33  
Item Part No.  
Description  
Item Part No.  
Description  
1
791-182059 Air Cleaner/Muffler Cover Assembly  
(includes 2 & 32)  
791-180350B Air Cleaner Filter  
791-180351 Carburetor Mounting Screw  
791-180226 Wavey Washer  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
*
791-611061 Rope Guide  
791-180930 Pulley Retainer Assembly  
791-181079 Pull Handle  
791-613103 Rope  
791-181862 Housing Screw  
791-181345 Cover Screw  
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
753-04418  
Choke Lever Assembly (includes 6)  
791-182161 Choke Knob and Screw  
791-181931 Starter Housing Assembly (includes 25-32)  
791-182402 Wire Lead Assembly  
753-04419  
753-04320  
Choke Lever and Plate (includes 5)  
Carburetor Assembly (includes 9 & 20)  
753-04463  
Module Assembly  
791-610675 Carburetor Gasket  
791-181860 Carb Mount Screw  
791-683974B Primer and Hose Assembly  
791-147095 Spark Plug  
753-04159  
Exhaust Gasket  
791-182747 Spark Arrestor Screen  
791-182066 Muffler Assembly (includes 37, 38 & 40)  
791-147575 Muffler Mounting Bolt Assembly  
753-1196  
Carb Mount Assembly (includes 10,13 & 14)  
791-684451 Reed Assembly  
753-1208  
Carburetor Mount Gasket  
753-04323  
753-04367  
753-1197  
Cylinder Assembly (includes 43 & 44)  
Piston and Rod Assembly  
Cylinder Gasket  
753-04399  
Crank Case Service Assembly  
(includes 10)  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
791-612134 Rear Mounting Pad  
791-182723 Cylinder Bolt  
791-181524 Crankshaft Extension  
753-04310  
Petrol Tank Assembly (includes 18-20)  
791-182438 Petrol Cap Assembly  
791-181168 Petrol Return Line  
791-682039 Petrol Line Assembly  
791-145308 Front Mounting Pad  
791-182401 Shroud Extension (includes 32)  
791-182736 Flywheel Assembly  
791-181525 Spacer  
753-04134  
Engine Gasket Kit  
*
*
*
*
791-180602 O.E.M. Carburetor Repair Kit  
791-181069 Gasket Diaphragm Repair Kit  
753-1209  
Piston Ring  
753-04322  
Short Block Assembly  
(includes 10, 15, 36, 41-44)  
753-1199  
Recoil Pulley  
791-613102 Recoil Spring  
*
Items Not Shown  
22  
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PARTS LIST  
HOUSING PARTS - MODEL BL3100  
2-CYCLE PETROL MULCHING BLOWER VACUUM  
1
4
6
8
3
5
3
9
22  
1
7
23  
25  
2
24  
24  
2
2
15  
22  
12  
23  
11  
14  
16  
10  
13  
23  
2
17  
18  
19  
23  
21  
20  
24  
Item Part No.  
Description  
Item Part No.  
Description  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
753-04464  
791-181345 Cover Screw  
791-182419 Throttle Control Assembly (includes 4-7)  
791-182420 Upper Throttle Control Plate  
791-00048  
791-182422 Lower Throttle Control Plate  
791-182423 Screw, Plastic  
791-182405 Rocker Switch Assembly  
753-04140  
753-04139  
791-182408 Engine Mounting Plate (includes 12 & 13)  
791-182409 Washer  
791-181903 Screw  
791-182410 Mode Control Flapper  
791-00050  
Engine Cover Assembly (includes 2)  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
*
791-147353 Impeller Blade  
791-182412 Washer  
791-182413 Lock Washer  
791-182414 Bolt  
Throttle Control Lever  
791-00051  
Blower/Vac Tube Assembly (includes 24)  
791-182417 Vacuum Bag Adapter  
791-182424 Mounting Plate Hardware  
791-182425 Blower/Vac Tube Mounting Hardware  
791-181482 Screw  
791-182068 Throttle Cable  
791-612930 Cable Tie  
Left Side Liner  
Right Side Liner  
*
753-04465  
Vacuum Bag Assembly  
(includes 21, Vacuum Bag & Cable Tie)  
Patio Head  
*
*
753-04325  
Mode Control Lever (includes 24)  
Items Not Shown  
23  
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MANUFACTURER’S LIMITED WARRANTY FOR:  
The limited warranty set forth below is given by Troy-Bilt  
LLC with respect with new merchandise purchased and  
used in the United States, its possessions and territories.  
No implied warranty, including any implied warranty of  
merchantability or fitness for a particular purpose,  
applies after the applicable period of express written  
warranty above as to the parts as identified. No other  
express warranty or guaranty, whether written or oral,  
except as mentioned above, given by any person or  
entity, including a dealer or retailer, with respect to any  
product shall bind Troy-Bilt LLC. During the period of  
t h e Wa rra n t y, t h e e xclu sive re m e d y is re p a ir o r  
replacement of the product as set forth above. (Some  
states do not allow limitations on how long an implied warranty  
lasts, so the above limitation may not apply to you.)  
Troy-Bilt warrants this product against defects in material  
and workmanship for a period of two (2) years commencing  
on the date of original purchase and will, at its option, repair  
or replace, free of charge, any part found to be defective in  
material or workmanship. This limited warranty shall only  
apply if this product has been operated and maintained in  
accordance with the Operators Manual furnished with the  
product, and has not been subject to misuse, abuse, com-  
mercial use, neglect, accident, improper maintenance, alter-  
ation, vandalism, theft, fire, water or damage because of  
other peril or natural disaster. Damage resulting from the  
installation or use of any accessory or attachment not  
approved by Troy-Bilt for use with the product(s) covered by  
this manual will void your warranty as to any resulting damage.  
The provisions as set forth in this Warranty provide the  
sole and exclusive remedy arising from the sales. Troy-Bilt  
LLC shall not be liable for incidental or consequential loss  
or d a m a g e s in clu d in g , wit h ou t lim it a t ion , e xp e n se s  
incurred for substitute or replacement lawn care services,  
for transportation or for related expenses, or for rental  
expenses to temporarily replace a warranted product.  
(Some states do not allow limitations on how long an implied  
warranty lasts, so the above limitation may not apply to you.)  
This warranty is limited to ninety (90) days from the date of  
original retail purchase for any Bolens product that is used  
for rental or commercial purposes, or any other income-pro-  
ducing purpose.  
In no event shall recovery of any kind be greater than the  
amount of the purchase price of the product sold.  
Alteration of the safety features of the product shall void  
this Warranty. You assume the risk and liability for loss,  
damage, or injury to you and your property and/or to others  
and their property arising out of the use or misuse or inabili-  
ty to use the product.  
HOW TO OBTAIN SERVICE: Warranty service is available,  
WITH PROOF OF PURCHASE THROUGH YOUR LOCAL  
AUTHORIZED SERVICE DEALER. To locate the dealer in your  
area, please check for a listing in the Yellow Pages or con-  
tact the Customer Service Department of Troy-Bilt LLC by  
writing to PO Box 361131, Cleveland, Ohio 44136-0019. No  
product returned directly to the factory will be accepted  
unless prior written permission has been extended by the  
Customer Service Department of Troy-Bilt LLC.  
This limited warranty shall not extend to anyone other than  
the original purchaser, original lessee or the person for  
whom it was purchased as a gift.  
This limited warranty does not provide coverage in the  
following cases:  
How State Law Relates to this Warranty: This warranty  
gives you specific legal rights, and you may also have other  
rights which vary from state to state.  
A.Tune-ups - Spark Plugs, Carburetor Adjustments, Filters  
B. Wear items - Bump Knobs, Outer Spools,Cutting Line,  
Inner Reels, Starter Pulley, Starter Ropes, Drive Belts  
C. Troy-Bilt does not extend any warranty for products  
sold or exported outside of the United States of  
America, its possessions and territories, except those  
sold through Troy-Bilts authorized channels of export  
distribution.  
Troy-Bilt reserves the right to change or improve the design of  
any Bolens Product without assuming any obligation to modify  
any product previously manufactured.  
TROY-BILT LLC  
PO Box 361131  
Cleveland, OH 44136-0019 U.S.A.  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE  
OPERATOR’S MANUAL PART NO. 769-00806  
PRINTED IN U.S.A.  
6/03  
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