Power Blower
Operator's Manual
MODEL: PB-651H
PB-651T
WARNING 
DANGER
Read rules for safe operation and all instructions carefully. ECHO provides this Operator’s Manual, which must be read and understood for proper and safe operation.
X7501128700 |
X750006140 |
12/03 |
2
INTRODUCTION
Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job- dependability. Read and understand this manual. You will find it easy to use and full of helpful operating tips and SAFETY messages.
THE OPERATOR’S MANUAL
Read and understand this manual before operation. Keep it in a safe place for future reference. It contains specifications and information for operation, starting, stopping, maintenance, storage and assembly specific to this product.
TABLE OF CONTENTS |
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Introduction ...................................................................... |
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The Operator's Manual .............................................. |
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Safety ................................................................................ |
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- Manual Safety Symbols and Important Information .. |
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International Symbols ................................................ |
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- Personal Condition and Safety Equipment ................ |
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Equipment .................................................................. |
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Emission Control ............................................................... |
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Description ....................................................................... |
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ContentsPB-651H/PB-651T ............................................ |
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Assembly ........................................................................ |
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- Install Blower Pipes / Stick Handle PB-651H ............ |
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- InstallBlowerPipesPB-651T ................................... |
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Operation ........................................................................ |
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Fuel .......................................................................... |
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Starting Cold Engine ................................................ |
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Starting Warm Engine .............................................. |
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Stopping Engine ...................................................... |
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OperatingBlower ..................................................... |
17 |
Copyright© 2003 By Echo, Incorporated
All Rights Reserved.
Maintenance ............................................................ |
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SkillLevels ........................................................ |
18 |
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Maintenance Intervals ...................................... |
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AirFilter ............................................................ |
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FuelFilter .......................................................... |
19 |
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Spark Plug ......................................................... |
20 |
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Cooling System ................................................. |
20 |
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Exhaust System ................................................. |
21 |
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Carburetor Adjustment ..................................... |
22 |
Troubleshooting ...................................................... |
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Storage ..................................................................... |
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Specifications ........................................................... |
25 |
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ServicingInformation ............................................... |
28 |
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Parts .................................................................. |
28 |
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Service .............................................................. |
28 |
- ECHO Consumer Product Support .................... |
28 |
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Warranty Card .................................................. |
28 |
- Additional or Replacement Manuals ................ |
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Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and accessories, and may not include all standard equipment.
POWER BLOWER |
3 |
OPERATOR'S MANUAL |
SAFETY
MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION
Throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you.
This symbol accompanied by the words WARNING and DANGER calls attention to an act or condition that can lead to serious personal injury to operator and bystanders.
The circle with the slash symbol means whatever is shown within the circle is prohibited.
IMPORTANT |
NOTE |
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IMPORTANT
The enclosed message provides information necessary for the protection of the unit.
NOTE
This enclosed message provides tips for use, care and maintenance of the unit.
INTERNATIONAL SYMBOLS
Symbol form/shape |
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description/application |
description/application |
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Read and understand |
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Fuel and oil mixture |
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Operator's Manual. |
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Wear eyes, ears and |
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Finger Severing |
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head protection |
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Hot |
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Wear hand |
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protection. Use |
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Surface |
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two handed. |
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Safety/Alert |
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Wear slip |
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resistant foot |
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wear. |
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DO NOT allow |
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DO NOT smoke |
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flamesorsparks |
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near fuel. |
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near fuel. |
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Symbol form/shape |
Symbol |
Symbol form/shape |
Symbol |
description/application |
description/application |
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Ignition |
Emergency stop |
ON/OFF |
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Carburetor adjustment |
Primer bulb |
- Low speed mixture |
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Carburetor adjustment |
Carburetor adjustment |
- Idle speed |
- High speed mixture |
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Choke Control |
Choke Control |
"Cold Start" |
"Run" |
Position |
Position |
(Choke Closed) |
(Choke Open) |
PERSONAL CONDITION AND SAFETY EQUIPMENT
WARNING 
DANGER
Power Blower users risk injury to themselves and others if the power blower is used improperly or safety precautions are not followed. Proper clothing and safety gear must be worn when operating a blower.
4
Physical Condition
Your judgment and physical dexterity may not be good:
•if you are tired or sick,
•if you are taking medication,
•if you have taken alcohol or drugs.
Operate unit only if you are physically and mentally well.
Eye Protection
Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit.
Hand Protection
Wear no-slip, heavy-duty work gloves to improve your grip on the blower handle. Gloves also reduce the transmission of machine vibration to your hands.
Breathing Protection
Wear a facemask to protect against dust.
Hearing Protection
ECHO recommends wearing hearing protection whenever unit is used.
Proper Clothing
Wear snug fitting, durable clothing;
•Pants should have long legs, shirts with long sleeves.
•DONOTWEARSHORTS,
•DONOTWEARTIES,SCARVES,andJEWELRY. Wear sturdy work shoes with nonskid soles:
•DONOTWEAROPENTOEDSHOES,
•DONOTOPERATEUNITBAREFOOTED.
Keep long hair away from engine and blower intake. Retain hair with cap or net.
Hot Humid Weather
Heavy protective clothing can increase operator fatigue, which may lead to heat stroke. Schedule heavy work for early morning or late afternoon hours when temperatures are cooler.
Vibration and Cold
It is believed that a condition called Raynaud’s Phenomenon, which affects the fingers of certain individuals, may be brought about by exposure to vibration and cold. Exposure to vibration and cold may cause tingling and burning sensations, followed by loss of color and numbness in the fingers. The following precautions are strongly recommended, because the minimum exposure, which might trigger the ailment, is unknown.
•Keep your body warm, especially the head, neck, feet, ankles, hands, and wrists.
•Maintain good blood circulation by performing vigorous arm exercises during frequent work breaks, and also by not smoking.
•Limit the hours of operation. Try to fill each day with jobs where operating the unit or other hand-held power equipment is not required.
•If you experience discomfort, redness, and swelling of the fingers followed by whitening and loss of feeling, consult your physician before further exposing yourself to cold and vibration.
POWER BLOWER |
5 |
OPERATOR'S MANUAL |
Repetitive Stress Injuries
It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury (RSI). An extreme RSI condition is Carpal Tunnel Syndrome (CTS), which could occur when your wrist swells and squeezes a vital nerve that runs through the area.
Some believe that prolonged exposure to vibration may contribute to CTS. CTS can cause severe pain for months or even years.
To reduce the risk of RSI/CTS, do the following:
•Avoid using your wrist in a bent, extended, or twisted position. Instead try to maintain a straight wrist position. Also, when grasping, use your whole hand, not just the thumb and index finger.
•Take periodic breaks to minimize repetition and rest your hands.
•Reduce the speed and force with which you do the repetitive movement.
•Do exercises to strengthen the hand and arm muscles.
•Immediately stop using all power equipment and consult a doctor if you feel tingling, numbness, or pain in the fingers, hands, wrists, or arms. The sooner RSI/CTS is diagnosed, the more likely permanent nerve and muscle damage can be prevented.
WARNING 
DANGER
Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death.
Read the Manuals
•Provide all users of this equipment with the Operator’s Manual and Safety Manual for instructions on Safe Operation.
Clear the Work Area
•Spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 15 m (50 ft.) while the unit is in use.
•Take wind conditions into account: avoid open doors and windows.
•Do not point blower at people or animals.
Keep a Firm Grip
•Hold the front and rear handles with both hands, with thumbs and fingers encircling the handles.
Keep a Solid Stance
•Maintain footing and balance at all times. Do not stand on slippery, uneven or unstable surfaces. Do not work in odd positions or on ladders. Do not over reach.
Avoid Hot Surfaces
•Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation.
6
EQUIPMENT CHECK
WARNING 
DANGER
Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual and safety manual.
•Check unit for loose/missing nuts, bolts and screws. Tighten and/or replace as needed.
•Inspect fuel lines, tank and area around carburetor for fuel leaks. DO NOT operate unit if leaks are found.
•Do not use blower if any part is missing or damaged.
•Have repairs done only by an authorized ECHO Service dealer.
•Do not use any attachment, accessory or replacement part unless it is recommended in this Operator's Manual.
EMISSION CONTROL
EPA Phase 2
The emission control system for these engines is EM/TWC (Engine and Catalyst Modification).
IMPORTANTENGINEINFORMATION
ENGINE FAMILY: 4EHXS.0635KA DISPLACEMENT: 63.3 CC
EMISSION COMPLIANCE PERIOD: 300 HOURS
THIS ENGINE MEETS U.S. EPA PH2 AND 2000 AND LATER
CALIFORNIA EMISSION REGULATIONS FOR S.O.R.E.
REFER TO OWNER'S MANUAL FOR MAINTENANCE
SPECIFICATIONS AND ADJUSTMENTS.
An Emission Control Label is located on the unit. (This is an EXAMPLE ONLY, information on label varies by engine FAMILY).
PRODUCT EMISSION DURABILITY
The 300 hour emission durability compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual.
POWER BLOWER |
7 |
OPERATOR'S MANUAL |
DESCRIPTION
PB-651H
Locate these safety decals on your unit. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
10 |
Hot Decal (near muffler) |
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P/N89016006361
9
2
12 8
11
7
6 3
13
5
4
14
General Warning Decal (located on top of blower housing)
P/N89016009461
Sound Label (located on blower housing)
74dB(A) |
Category III |
Measured at 50 ft. (15m) per ANSI B175.2
P/NX508000180
8
1.SPARK PLUG - Provides spark to ignite fuel mixture.
2.SPARKARRESTOR-CATALYTICMUFFLER/MUFFLER-Themufflerorcatalyticmufflercontrolsexhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area clear of flammable debris.
3.RECOIL STARTER HANDLE- Pull recoil handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
4.PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank, priming the carburetor for starting. Pump primer bulb until fuel is visible and flows freely in the clear fuel tank return line. Pump bulb an additional 4 or 5 times.
5.CHOKE - Move lever up to "Cold Start" (
) starting position and for emergency stopping. Move lever down to Run position (
).
6.FUELTANK- Contains fuel and fuel filter.
7.FUEL TANK CAP - Covers and seals fuel tank.
8.AIRCLEANER-Containsreplaceableairfilterelement.
9.BLOWERPIPES-Exclusive positive locking system.
10.THROTTLEPOSITIONLEVER/STOPSWITCH -Combination stop switch and variable speed throttle lever. When the lever is moved all the way forward the blower is at Wide Open Throttle (W.O.T.). When the lever is moved rearward to detent, the blower is at idle. When the lever is moved rearward past the idle detent the blower will stop.
11.SAFETYDECAL-Lists important safety precautions.
12.HANDLE - Rotates downward for throttle control access. Spring loaded for flexible operation.
13.SHOULDER HARNESS - Used to support unit on operator's back. The straps are adjustable.
14.STICKHANDLE- Provides comfortable grip for directing air flow.
POWER BLOWER |
9 |
OPERATOR'S MANUAL |
PB-651T
Locate these safety decals on your unit. Make sure the decals are legible and that you understand and follow the instructions on them. If a decal cannot be read, a new one can be ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
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Hot Decal (near muffler) |
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10 P/N89016006361
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9
13
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14
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16 |
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General Warning Decal (located on top of blower housing)
P/N89016009461
Sound Label (located on blower housing)
74dB(A) |
Category III |
Measured at 50 ft. (15m) per ANSI B175.2
P/NX508000180
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