FRADAN BB-70 Operator's Manual

OPERATOR’S

MANUAL

Read instructions carefully and follow rules for safe operation.

Failure to do so could result in serious injury.

499 Fifth

Avenue, New Rochelle, NY 10801 • Phone [phone] • Fax [phone]

MODEL BB-70

WARNING DANGER

Fradan Manufacturing Corp.

WELCOME TO THE FRADAN FAMILY

CONGRATULATIONS! You are now the owner of a quality BB-70 BACK-PACK BLOWER.

FRADAN manufactures a family of high performance, reliable power equipment. Our designs are based on years

of personal use of landscape equipment.

We at Fradan have revolutionized the landscaping industry, offering modern, reliable, high performance equipment

designed to meet today’s environmental demands and exceed tomorrow’s.

FRADAN built means durability, quality, maximum performance and non-obsolescence. With proper care and

maintenance of your unit, we assure you years of service-free operation. This booklet refers to the information

which you should learn in order to take advantage of its outstanding performance.

FRADAN manufacturing would like to thank you for choosing our product and hope that you continue to enjoy the

quality and pride that we built into our products.

Always use the proper machine for the job, use a FRADAN.

CONTENTS

Introduction / Technical Data..................................................................................................................................2

Graphic Warnings ....................................................................................................................................................3

Safety Rules & Precautions

Assembly ..................................................................................................................................................................6

Fuel & Oil Mixture

Preparing for Operations ........................................................................................................................................8

Operations ................................................................................................................................................................9

Maintenance & Care..........................................................................................................................................10-11

rouble Shooting ...................................................................................................................................................

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4-5

12

7

INTRODUCTION

The FRADAN Back-Pack Blower model BB-70 is a ruggedly built, high performance gasoline powered unit

designed for blowing leaves and other lawn debris. Proper maintenance and use of the FRADAN Back-Pack

Blower will guarantee years of safe, service-free, reliable operation. We urge you to follow these instructions to

assure safe and reliable operation.

TECHNICAL DATA

MODEL ...................................................................BB-70

Engine Type ...........................................................Air cooled, two-stroke, single cylinder gasoline engine

Displacement .........................................................63.3 cc (3.86 cu. in.)

Bore ........................................................................48.0 mm (1.89 in.)

Stroke .....................................................................35.0 mm (1.38 in.)

Carburetor..............................................................Walbro Diaphragm, model WYK w/ primer bulb

Ignition System......................................................Flywheel Magneto

Spark Plug..............................................................NGK BPM-8Y Gap 0.65 mm (0.026 in.)

Exhaust System.....................................................Spark Arrestor Muffler

Fuel .........................................................................Mixed (Gasoline and Two-stroke Oil)

Fuel/Oil Ratio .........................................................40:1 High Performance, two-stroke air cooled engine oil

Gasoline .................................................................89 Octane unleaded. DO NOT use fuel containing methyl alcohol,

more than 10% ethyl alochol or 15% MTBE.

Fuel Tank Capacity................................................1.68 Liters (57 liq. oz.)

Recoil Starter System ...........................................Automatic Recoil Starter

Idle Speed ..............................................................

ide Open Throttle Speed

W

Maximum Air Speed (measured at pipe end)............338 KM/H (210 mph)

Average Air Volume (measured at pipe end) ............18.1 cu. m/min. (640 cu. ft./min.)

Maximum Air Volume (measured at housing)...........34.0 cu. m/min. (1200 cu. ft./min.)

Length ....................................................................

Width.......................................................................485 mm (19.1 in.)

Height .....................................................................527 mm (20.75 in.)

Weight.....................................................................10.4 kg. (23.0 lb.)

...................................

2350-2850 (RPM)

6800-7300 (RPM)

375 mm (14.76 in.)

Technical Data subject to change without notice.

2

2

GRAPHIC WARNINGS

Because the BB-70 is a highpower tool, special safety precaution must be observed to reduce the risk of personal

injury. Read this manual carefully. Be familiar with the controls and the proper use of the unit. Know how to shut it

off, and how to unhook a harnessed unit quickly.

This graphic accompanied by the words WARNING and DANGER
calls attention to an act or a condition which can lead to SERIOUS

INJURY.

READ & UNDERSTAND Operator’s Manual and Safety Manual.

ALWAYS WEAR EYE AND EAR PROTECTION.

WARNING DANGER

The engine exhaust from this product contains chemicals known to the State

of California to cause cancer, birth defects, or other reproductive harm.

Specifications, descriptions and illustrative material in this manual are as accurate as known at the time of publi-

cation, but are subject to change without notice. Iliustrations may include optional equipment and accessories, and

may not include all standard equipment.

3

3

SAFETY RULES & PRECAUTIONS

Proper safety precautions must be observed. Like all power equipment this unit must be handled carefully.
DO NOT EXPOSE YOURSELF OR OTHERS TO DANGER. Follow these general rules. Do not permit others to use
this machine unless they are thoroughly responsible and have read, and understand the machine manual and are
trained in its operation.

• Always wear safety goggles for eye protection. Dress properly, do not wear loose clothing or jewelry that could
become caught in moving parts of the unit. Safe, sturdy, nonskid footwear should always be worn. Long hair
should be tied back. It is recommended that legs and feet be covered to protect from flying debris during opera­tion.

• Inspect the entire machine for loose parts (nuts, bolts, screws, etc.) and any damage. Repair or replace as nec­essary before using the machine.

DO NOT USE any attachment with this Back Pack Blower other than the ones recommended by FRADAN.

•
Serious injury to the operator or bystanders could result as well as damage to the machine.

• Do not smoke while mixing fuel or filling tank.

• Do not mix fuel in an enclosed room or near open flames. Assure adequate ventilation.

• Always mix and store the fuel in a properly marked container that is approved by local codes and ordinances for
such usage.

• Never remove the fuel tank cap while the engine is running.

• Never start or run the engine inside a closed room or building. Fumes from the exhaust contain dangerous car­bon monoxide.

• Never attempt to make engine adjustments while the unit is running and strapped to the operator. Always make
engine adjustments with the unit resting on a flat, clear surface.

• Do not use the unit if it is damaged or poorly adjusted.

• Keep children away. Onlookers should be kept at a safe distance from the work area, at least

• Never leave the machine unattended.

• Do not use this unit for any job other than those for which it is intended as described in this manual.

• Do not overreach. Keep proper footing and balance at all times. Do not run the unit while standing on a ladder or
on any other unstable footing location.

• Keep hands and fingers clear of the screened air intake between the fuel tank & blower housing

• Never use the Blower without the air intake screen in place. Before each use, check that the screen is attached
and in its place.

• Do not use the unit when you are tired or under the influence of medication, drugs or alcohol.

50 FEET.

• Do not store in a closed area where fuel vapors can reach an open flame from, hot water heaters, furnaces, etc.
Store in a locked, well ventilated area only.

4

4

SAFETY RULES & PRECAUTIONS

Use only FRADAN original equipment parts when servicing the unit, this will ensure safe and proper performance

•
of your product. These parts are available from your dealer. The use of any other accessories or attachments may
cause a potential hazard or injury to the user, damage to the machine and void this warranty.

• Clean the machine completely, especially, the fuel tank, its surroundings, and the air cleaner.

• When refueling, be sure to stop the engine and confirm that it is cooled down. Never refuel when the engine
is running or hot. When gasoline spills, be sure to wipe it up completely and properly dispose of those materi­als before starting the engine.

• Stay clear of other workers or bystanders by at least 15 meters / 50 feet.

• When ever approaching an operator of the machine, carefully call his attention and confirm that the operator
stops the engine. Be careful not to startle or distract the operator which can cause an unsafe situation.

• The engine should be turned off when the machine is moved between work areas.

• Pay attention to loosening and overheating of parts. If there is any abnormality of the machine, stop operation
immediately and check the machine carefully. If necessary, have the machine serviced by a authorized
FRADAN dealer. Never continue to operate a machine which may be malfunctioning.

• In start-up or during operation of the engine, never touch hot parts such as the muffler, the high voltage wire or
the spark plug.

• After the engine has stopped, the muffler is still hot. Never place the machine in any places where there are
flammable materials (dry grass, etc.), combustible gasses or combustible liquids.

• Pay special attention to operation in the rain or just after the rain as the ground may be slippery.

• If you slip or fall to the ground or into a hole, Press the Stop Button until Engine Stops.

• Be careful not to drop the machine or hit it against obstacles.

Before proceeding to adjust or repair the machine, be sure to stop the engine and detach the spark plug cap

•
from the spark plug.

• When the machine is placed in storage for a long time, drain fuel from the fuel tank and carburetor, clean the
parts, move the machine to a safe place and confirm that the engine is cooled down.

• Make periodic inspections to assure safe and efficient operation. For a thorough inspection ot your machine,
please contact a FRADAN dealer

• Keep the machine away from fire or sparks,

.

5

5

Unfold Control Arm; Hold the upper end of the

•

control arm in hand and rotate counter clock wise

until it clicks into place. Rotate clockwise to

reverse the process.

Install the flexible pipe and the large clamp on to

•

the elbow of the blower and tighten the large

clamp.

Install the straight pipe w/swivel & small clamp

•

and tighten the small clamp.

Slide handle onto swivel pipe. (Handle can be

•

adjusted to desired position.)

Install the straight section of the pipe to swivel

•

pipe.

ASSEMBLY

Install the curved pipe. (Curved pipe installation is

•

optional and not necessary for normal use of back

blower. Design of curved pipe will cause resist-

ance in handling air tube due to air pressure.)

Shoulder Harness is adjustable to fit any operator.

•

Ensure that all nuts, screws and bolts are installed

•

and properly tightened.

WARNING DANGER

In addition to head, eye, face and ear protectors, shoes to protect your feet improve your footing

on slippery surfaces. Do not wear ties, jewelry, or loose dangling clothing which could be caught

in the machine.

Do not wear open-toed footwear

wear total face and head protection.

, or go barefoot or bare legged. In certain situations you must

6

6

FUEL & OIL MIXTURE

Never fill the fuel tank to the very top.

•

• Never add fuel to the tank in a closed non-ventilated area

• Do not add fuel to this unit close to an open fire or sparks.

WARNING

Fuel used for this model is a mixture of unleaded gasoline and approved engine lubricant. When mixing gasoline
with a
(Types of Alcohol) Use branded 89 octane or higher unleaded gasoline known to be of good quality. This will help
to avoid possible damage to engine fuel lines and other engine parts.

FRADAN approved two-cycle engine oil, use only gasoline which contains NO ETHANOL or METHANOL

• Be sure to wipe off spilled fuel before attempting to start engine.

• Do not attempt to refuel a hot engine.

OIL - 1 PART

GASOLINE

40 PART

FUEL MIX CHART 40:1

GAS

GAL.

1

2

4

FUEL

The engine uses two-stroke fuel, a mixture of gasoline
and a specially blended high performance 2-stroke air
cooled engine oil.

OIL

FL. OZ.

3.2

6.4

12.8

MIXTURE RATIO IS 40:1

GASOLINE - 40 part OIL - 1 part

Fuel mixture at the rate other than 40:1 may
cause damage to the engine. Ensure mixture
ratio is correct.

GAS

LITERS

3.78

7.57

15.14

STORING FUEL

Store fuel only in a clean, safe, approved container.
Check and follow local ordinances on type and loca­tion of storage container.

OIL

ML

94.63

189.27

378.54

GASOLINE

Use branded 89 octane or higher unleaded gasoline
known to be of good quality.

MIXING FUEL

Follow directions on fuel mixing chart above.

ANT

IMPOR

Two-stroke fuel may separate. Shake fuel container
thoroughly before each use.

Stored fuel ages. Do not mix more fuel than you
expect to use within a month.

7

7

T

PREPARING FOR OPERATIONS

FUEL AND OIL MIXTURE

Inspect fuel tank making sure that it is clean and fill with fresh fuel. Use a mixture of 40:1.

(See Fuel and Oil Mixture on page 6)

WHEN MIXING GASOLINE WITH TWO CYCLE ENGINE OiL, USE ONLY GASOLINE WHICH CONTAINS NO

ETHANOL OR METHANOL (TYPES OF ALCOHOL). THIS WILL HELP TO AVOID POSSIBLE DAMAGE TO

ENGINE FUEL LINES AND OTHER ENGINE PARTS. DO NOT MIX GASOLINE AND OIL DIRECTLY IN THE

ENGINE FUEL TANK.

IMPORTANT: Failure to follow proper fuel mix instructions may cause damage to the engine.

1. When preparing fuel mixture, mix only the amount needed for the job you are to do. Do not use fuel that has been

stored longer than two months. Fuel mixture stored longer than this will cause hard starting and poor perform-

ance. If fuel mix has been stored longer than this time, it should be removed and filled with a fresh mixture.

WARNING DANGER

2. Never fill the fuel tank to the very top.

3. Never add fuel to the tank in a closed non-ventilated area.

4. Do not add fuel to this unit close to an open fire or sparks.

5. Be sure to wipe off spilled fuel before attempting to start engine.

6. Do not attempt to refuel a hot engine.

CHECK POINTS BEFORE OPERATION

1. Check for loose bolts, nuts and fittings.

2. Check the air cleaner for dirt. Clean the air filter of all dirt, etc. before operation.

3. Check to be sure that air intake screen is securely in place.

WARNING DANGER

The engine exhaust from this product contains chemicals known to the

State of California to cause cancer

, birth defects, or other reproductive harm.

88

OPERATIONS

ENGINE STARTING AND STOPPING PROCEDURES

• STARTING COLD ENGINE

1. Move the throttle lever to the half open position.

2. Give a gentle push on the primer pump repeatedly
(7-10 times) until fuel comes into the primer pump.

3. Cold Starts: Move lever to close choke position.

4. Pull starter handle until engine false fires (sputters).

5. Remove choke (excessive cranking with choke on
will cause flooding of engine making it difficult to
start).

6. Pull starter handle until engine starts.

7. Allow engine to warm up for a few minutes before
using.

• STARTING WARM ENGINE

1. If fuel tank was not run dry, pull starter one to three
times and engine should start.

CHOKE)

If fuel tank was run dry, after refilling repeat steps 2

through 7 in STARTING COLD ENGINE.

(DO NOT USE

• STOPPING THE ENGINE

1. Move throttle lever to slow position. Wait a few sec­onds to allow engine to cool down. Depress the
RED STOP Button

until the engine comes to a stop.

lever)

(located on reverse side of throttle

OPERATION OF BLOWER

Allow the engine to warm up for a few minutes.
FRADAN BB-70 can be run at any speed between an idle of 2800 RPM and maximum load speed of 7300 RPM.
The velocity of the air stream can therefore readily be controlled from a gentle breeze to a high speed blast mov­ing at 210 MPH, which will move garden leaves, twigs, and other debris from lawns and paved areas.
Use a low speed to blow dry leaves from a lawn or flower bed.
Use a medium to high speed to clean grass and leaves from walks, patios, and driveways.
Use a high speed to move gravel, dirt, snow, bottles or cans from driveways, streets, parking lots, or stadiums.

• CAUTION

Do not point the blower pipe in the direction of people or pets.
mask. Read carefully “Safety Rules and Precautions.”

9

9

Always wear safety glasses and use a face filter

MAINTENANCE AND CARE

1

2

• AIR FILTER

Accumulative dust in the air filter will reduce engine efficiency, increase fuel consumption and allow abrasive parti­cles to pass into the engine. Remove the air filter as often as necessary to maintain in a clean condition.

Light surface dust can readily be removed by tapping the filter. Heavy deposits should be washed out in suitable
solvents. After washing filters, add 2 table spoons of oil on the grey foam part of the filter. Failure to do so will
allow dust and dirt to enter the engine and cause permanent damage. To remove the air filter, loosen both filter
knobs on filter box.

(To reassemble filter, follow photograph above.)

3

• ADJUSTING CARBURETOR

NOTE: Do not adjust carburetor unless necessary.
If you have trouble with carburetor, see your dealer.
Improper adjustment may cause engine damage
and void warranty.

• FUEL FILTER

Fuel tank is fitted with a fuel filter. Filter is situated
at the free end of fuel pipe and can be picked out
through fuel port with piece of hooked wire or the
like.

Check the fuel filter periodically
or debris to enter into fuel tank. Clogged fuel filter
will cause difficulty in starting engine or abnormali­ties in engine performance.

When the filter is dirty
inside of the fuel tank is dirty
rinsing the tank out with gasoline.

, replace the filter. When the

. Do not allow dust

, it can be cleaned by

fuel
filter

1010

MAINTENANCE AND CARE

• SPARK PLUG

Do not attempt to remove the plug from a hot

engine in order to avoid possible damage to the

threads.

Clean or replace the plug if fouled with heavy or

oily deposits. Replace the plug if the center elec-

trode is worn rounded at the end. Spark gap 0.6-07

mm (.023"-.028") Fastening torque= 145-155kg.cm

(125-135 in. lb)

• MAGNETO

The unit incorporates an electronic ignition system,

which does not require any adjustment.

• MUFFLER AND EXHAUST POR

In the event that the engine should lose power and

overheat, the muffler should be removed and

checked for excessive carbon deposits. Carbon

build up in the exhaust port should be removed

with a piece of wood, making sure that particles of

carbon are not allowed to enter the cylinder

Remove all carbon deposits from the muffler flange

area and wash the complete unit in a suitable sol-

vent. Make sure the spark arrestor screen is clean.

This should be checked periodically.

T

.

11

11

SP

ARK

ARREST

OR SCREEN

TROUBLESHOOTING

FAILURES such as difficulty in starting engine, irregularity in functions and abnormality in performance can normally

be prevented if careful attention is paid to all operating instructions and maintenance procedures.

Should the engine not function properly, check the following:

That the fuel system is in good condition and fuel is flowing to the engine.

•

The ignition system is in good condition and the spark plug, sparks correctly.

•

Compression of the engine is adequate.

•

FAILURE TO START

Dispose of fuel in tank.

•

Insure that fuel is fresh and clean.

•

Check fuel filter to make sure it is clean. ( Replace filter if necessary).

•

Make sure air filter elements are clean.

•

Install new, properly gapped spark plug.

•

When there is serious trouble with the unit, do not try to repair it yourself,

•

but have your FRADAN distributor or dealer do it for you.

EXTENDED STORAGE

Inspect, clean and repair unit if necessary

•

Remove all fuel from tank.

•

Start engine - This will consume all fuel in fuel line and carburetor.

•

Remove spark plug and pour one teaspoon of clean motor oil into spark plug hole of cylinder -

•

replace spark plug.

Store in clean, dry, dust free area.

.

•

12

FRADAN LIMITED WARRANTY POLICY

FRADAN servicing dealer

Fax [phone]

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Phone [phone]

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Replaces all undated Warranties

•

FRADAN dealer subject to approval by FRADAN MANUFACTURING CORP. This warranty

FRADAN servicing dealer for warranty service.

and all Warranties dated before January 1,1999

Effective January 1, 1999

ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES.

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FRADAN MANUFACTURING CORP.

FRADAN Manufacturing will repair any defect in material or workmanship at no charge. From the 91st day until one year from the date of purchase,

Lack of lubrication or engine failure due to improper oil fuel ratio.•Parts not warranted are normal maintenance items such as spark plugs, air and fuel filters, hoses, blowing tubes, starter rope, vibration isolators, throttle cable,

all cutting attachments, lubricants, engine tune-ups, and sparks arrestor screen.

•

This limited warranty is extended by FRADAN MANUFACTURING CORP. to the first retail purchaser only and is not transferable to subsequent owners. For 90 days from

the date of purchase

does not include or cover damage to the complete product caused by:

FRADAN will furnish replacement parts for any defective parts, free of charge. You pay for labor. The responsibility of FRADAN MANUFACTURING CORP. under this war-

ranty is limited to replacement or repair of any defective part by an authorized

Alterations or modifications including aftermarket parts not authorized by FRADAN MANUFACTURING CORP.•Damage caused by the use of gasohol containing methyl (wood) alcohol or gasoline containing less than 89 octane.

•

499 Fifth Avenue, New Rochelle N.Y. 10801

NOT BE LIABLE FOR

. SHALL

15% MTBE (methyl tertiary-butyl ether) is also approved. The prescribed mixing ratio of gasoline to oil is listed in the FRADAN owner's manual.

Only use gasoline which contains 89 octane or higher. Gasohol which contains a maximum 10% ethyl (grain) alcohol or

Defects, malfunctions, or failures resulting from abuse, misuse, neglect, modifications, alterations, improper servicing, improper storage, use of unauthorized

Preventive maintenance is the warranty holder's responsibility.•Damages caused by tampering with engine speed governors, or running engines above specified and recommended engine speed.•Engine damage caused by the use of other or any starting fluids.•Damages caused by dirt, salt water corrosion, rust, varnish, and moisture.•Operation of the unit with improperly serviced, damaged, or removed air filter.•Failure to follow the setup, predelivery service, and adjustment outlined in operator's manual.•Damage caused by the pressure of steam cleaning the product.

attachments, replacements parts including failure to provide or perform required maintenance services as prescribed in the owner's manual.

•

•

Parts replaced or repaired under this warranty are warranted only for the balance of the warranty period. All defective parts replaced under warranty become the property of

including shipping and handling, travel, payment for lost time or pay and for any inconvenience and storage. To locate your nearest authorized

FRADAN MANUFACTURING CORP. For warranty repairs, you must at your own expense. arrange to deliver the shipment (and return after repairs are completed) of your

FRADAN unit to FRADAN MANUFACTURING CORP. or an authorized FRADAN servicing dealer. Under no circumstances is FRADAN responsible for extra expenses

CHANTABILITY OR OTHERWISE APPLICABLE TO THIS PRODUCT, SHALL BE LIMITED IN DURATION TO THE DURATION OF THIS LIMITED WARRANTY.

FRADAN CORP

THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER EXPRESS WARRANTIES. ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, MER-

call [phone].

To validate this warranty, complete and return within ten (10) days of the date of purchase the warranty registration card supplied with your FRADAN product. Your receipt

SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND

YOU MAY ALSO HAVE OTHER LEGAL RIGHTS WHICH VARY FROM STATE TO STATE.

of purchase should be maintained and presented to an authorized