Echo PB-211 User manual

Power Blower
Operator’s Manual
MODEL PB-211
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.
X750-002 12 2
X750111-070 2
PrintedinJapan0503Bm0044ES

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.
TABLE OF CONTENTS
THE OPERATOR’SMANUAL
contains specifications and information for operation, starting, stop-
ping, maintenance, storage and assembly specific to this product.
Introduction ............................................................... 2
- The Operator’s Manual ................................... 2
Manual Safety Symbols and Important Information .. 3
Safety ........................................................................ 3
- Decals ............................................................. 3
- International Symbols ..................................... 4
- Equipment ....................................................... 4
- Personal Condition and Safety Equipment ...... 5
- Safe Operation ................................................. 6
- Extended Operation/Extreme Conditions ......... 7
Description ................................................................ 8
- Emission Control ............................................. 8
- Contents.......................................................... 8
Specifications ........................................................... 10
Assembly ................................................................. 11
- Blower Application ....................................... 11
Pre-Operation ........................................................... 11
- Fuel ............................................................... 11
Operation ................................................................. 13
- Starting Cold Engine ..................................... 13
- Starting Warm Engine ................................... 14
- Stopping Engine ............................................ 14
- Operating Blower .......................................... 15
Specifications, descriptions and illustrative material in this
literature are as accurate as known at the time of publica-
tion, but are subject to change without notice. Illustrations
may include optional equipment and accessories, and may
not include all standard equipment.
Maintenance ............................................................ 16
- Skill Levels .................................................... 16
- Maintenance Intervals .................................. 16
- Air Filter ........................................................ 17
- Fuel Filter ...................................................... 17
- Check Fuel System ........................................ 17
- Spark Plug ..................................................... 18
- Cooling System ............................................. 18
- Exhaust System ............................................. 19
- Carburetor Adjustment ................................. 20
Troubleshooting ...................................................... 21
Storage ..................................................................... 22
Servicing Information ............................................... 24
- Parts .............................................................. 24
- Service ........................................................... 24
- ECHO Consumer Product Support ................ 24
- Warranty Card ............................................... 24
- Additional or Replacement Manuals ............. 24
Copyright ©2004 All Rights Reserved.
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3
POWER BLOWER
OPERATOR’SMANUAL
IMPORTANT
NOTE
MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION
Throughout this manual and on the product itself, you will find safety
alerts and helpful, information 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 WARN-
ING 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 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.
Locate these safety decals on your unit. The complete unit illustration,
found in the “DESCRIPTION” section, will help you locate them. 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.
DECALS
SAFETY
Read and follow all safety
precautions in the operator’s
manual. Operators, helpers &
bystanders can be severely
injured by blown objects and
must wear specified ANSI Z87.1
eye protection. Always wear
hearing protection when
operating.
-WARNING-
-DANGER-
Lea y obedezca todas las
precauciones de seguridad que
aparecen en el Manual del
Operador. Los operadores, los
asistentes y los espectadores
pueden recibir lesiones graves
debido a los objetos que se
soplan y tienen que usar la
protección para ojos ANSI
Z87.1. Siempre use protección
para los oídos cuando opere.
-ADVERTENCIA
- PELIGRO
P/N 89016006361
HOTDECAL
P/N 89016003360

4
Symbol
description/application Symbol form/shape Symbol description/application
Symbol form/shape
Read and under-
stand Operator’s
Manual.
Fuel and oil mixture
Symbol
description/application Symbol form/shape Symbol description/application
Symbol form/shape
Hot
Surface
Carburetor
adjustment
-Idlespeed
Carburetor
adjustment
- High speed mixture
Wear eyes, ears and
head protection Emergency stop
Finger Severing
Carburetor
adjustment
-Low speed mixture
Safety/Alert
Wear hand
protection. Use
two handed.
DO NOT smoke
near fuel.
DO NOT allow
flames or sparks
near fuel.
Wear slip resistant
foot wear.
Engine choke
control.
Ignition
ON/OFF
Primer bulb
ATTACHMENTS
AND
ACCESSORIES
INTERNATIONAL SYMBOLS
EQUIPMENT
Before operation a complete check of the unit must be performed:
• 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.
Spark Arrestor Muffler --
• The spark arrestor muffler controls the exhaust noise and prevents
hot, glowing particles of carbon from leaving the muffler. Make sure
the spark arrestor screen is in good repair and properly seated in the
muffler. (Refer to Exhaust System Maintenance page 19.)
Parts --
• 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.
Choke Control
"Run"
Position
(Choke Open)

5
POWER BLOWER
OPERATOR’SMANUAL
WARNING DANGER
Power Blower users risk injury to themselves and others if the Power Blower is used improperly and/or safety
precautions are not followed. Proper clothing and safety gear must be worn when operating a Power Blower.
PERSONAL CONDITION AND SAFETY EQUIPMENT
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 blower.
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 face mask 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.
• DONOT WEAR SHORTS,
• DONOTWEARTIES,SCARVES,JEWELRY.
Wear sturdy work shoes with nonskid soles;
• DONOTWEAR OPEN TOEDSHOES,
• DONOTOPERATEUNITBAREFOOTED.
Keep long hair away from engine and blower intake. Retain hair with cap
or net.

6
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.
SAFE OPERATION
Determine Operation Area --
• Do not operate this product indoors or in inadequately ventilated
areas.
• Review area to be cleared. Look for potential hazards such as stones
or metal objects.
• Spectators and fellow workers must be warned, and children and
animals prevented from coming nearer than 15 m (50 ft.) while the
blower is in use.
• Take wind conditions into account: avoid open doors and windows.
• Provide all operators of this equipment with the Operator’s Manual
and instructions for safe operation.
• Do not point blower at people or animals.
UseProper Clothing &Equipment
• Before starting the unit, equip yourself and any other person
working within the 15 m (50 ft.) Safety Zone with the required
Protective Equipment and clothing.
• Keep long hair away from engine and blower intake. Retain hair with
cap or net.
• Start unit on ground with throttle at idle. Check that blower pipe is
not blocked by the ground or by any objects.
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 perform Maintenance or Assembly procedures with engine
running.
Keep A Firm Grip
• Hold handles with fingers together encircling handles.
Noise Control
• Follow local noise regulations on sound levels and hours of
operations. Use only during appropriate hours.
• Never use a higher speed setting then necessary to perform a task.
The higher the engine speed the louder the blower noise.
• Be a good neighbor.
AvoidHot Surfaces
• During operation, the muffler and surrounding cover may become
extremely hot. Avoid contact during and immediately after operation.
Always keep exhaust area clear of flammable debris. Allow the
engine and muffler to completely cool before performing any
maintenance activity.
15 m (50 ft.)

7
POWER BLOWER
OPERATOR’SMANUAL
EXTENDED OPERATION/EXTREME CONDITIONS
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 blower 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.
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 & force in 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.

8
An Emission Control Label is located on the engine. (This is an
EXAMPLE ONLY, information on label varies by engine FAMILY).
CONTENTS
1 - Power Head
1 - Blower Pipe Assembly
1 - Operator’s Manual
1 - Warranty Registration Card
1 - ECHO Emissions and Warranty Statement
1 - Echo Power Blend TM 2-stroke oil sample
PRODUCT EMISSION DURABILITY
The 300 hour emission durability period is the time span selected by the manufacturer certifying the engine emis-
sions output meets applicable emissions regulations, provided that approved maintenance procedures are followed
as listed in the Maintenance Section of this manual.
DESCRIPTION
EMISSION CONTROL
California Tier 2
The emission control system for these engines is EM/TWC (Engine
and Catalyst Modification).
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9
POWER BLOWER
OPERATOR’SMANUAL
1. STOP SWITCH - On/Off switch.
2. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually
for best operating technique.
3. SPARK PLUG - Provides spark to ignite fuel mixture.
4. MUFFLER/SPARK ARRESTOR -The spark arrestor muffler controls the exhaust noise while the spark arrestor
prevents hot, glowing particles of carbon from leaving the muffler.
5. RECOIL STARTER HANDLE - Pull recoil handle slowly until recoil starter engages, then quickly and firmly. When
engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
6. FUEL TANK CAP - For closing the fuel tank.
7. AIR CLEANER - Contains replaceable air filter element.
8. CHOKE -Pull choke knob to "COLD START" to close choke for cold start. Push choke knob to "RUN" position to
open choke.
9. BLOWERPIPES-
1
2
3
4
5
6
7
8
9
P/N 89016006361
P/N 89016003360

10
SPECIFICATIONS
MODEL
Length
Width
Height
Mass(dry)
EngineType
Displacement
Bore
Stroke
Carburetor
IgnitionSystem
Spark Plug
ExhaustSystem
Fuel
Fuel/OilRatio
Gasoline
Oil
FuelTankCapacity
RecoilStarterSystem
Wide Open Throttle Speed (r/min)
Idle Speed (r/min)
Maximum Air Volume
Maximum Air Speed w/pipes (m/s)
Sound Level at 50 ft. dB(A) scale per
ANSIB175.2
PB-211HandHeld
290mm(11.4in.)(w/o pipes)
220 mm (8.7 in.)
335 mm (13.2 in.)
4.4 kg (9.7 Ib.)
Aircooled, two-stroke, singlecylindergasoline engine
21 .2 mL (1 .39 cu. in.)
30.0 mm (1 .18 in.)
30.0 mm (1 .18 in.)
WalbroDiaphragmw/purge
FlywheelMagneto,capacitordischarge ignitiontype
NGK BPM-8Y Gap 0.65 mm (0.026 in.)
Spark Arrestor Muffler w / Catalyst
Mixed(GasolineandTwo-strokeOil)
50:1ECHOHighPerformance, two-strokeaircooledengineoil
89 Octane unleaded. DO NOT use fuel containing methyl alcohol.
Gasoline may contain 15 % MTBE (methyl tertiary-butyl ether).
50:1ECHOHighPerformance, two-strokeaircooledengineoil
0.4 L (13.5 US fl. oz.)
AutomaticRecoil StarterCentrifugal Type
7000-7600
2500-3300
9.6 m3/min (340 cu. ft./min.)
67(150mph)
65dB(A)

11
POWER BLOWER
OPERATOR’SMANUAL
ASSEMBLY
WARNING DANGER
Never perform maintenance or assembly procedures with engine
running or serious personal injury may result.
BLOWER APPLICATION
Install Blower Pipes
1. Assemble both straight pipes using a clamp and two screws each
as shown.
2. Assemble curved pipe and fan head nozzle to the straight pipe.
3. Rotate the curved pipe to a convenient angle for operation.
4. Ensure that all pipes are connected firmly.
Twoscrews
Clamp
PRE-OPERATION
FUEL
Fuel Requirements
Gasoline - Use 89 Octane [R+M/2] (mid grade or higher) gasoline
known to be good quality. Gasoline may contain up to 15% MTBE
(methyl tertiary-butyl ether). Gasohol containing methyl (wood) alcohol
is NOT approved.
Two Stroke Oil - A two-stroke engine oil meeting ISO-L-EGD (ISO/CD
13738) and J.A.S.O. FC Standards must be used. Echo brand premium
Power Blend TM Universal 2-Stroke Oil meets these standards. Engine
problems due to inadequate lubrication caused by failure to use an
ISO-L-EGD and J.A.S.O. FC certified oil, such as Echo premium Power
Blend TM, will void the two-stroke engine warranty. (Emission related
parts only are covered for two years, regardless of two-stroke oil used,
per the statement listed in the Emission Defect Warranty Explanation.)
IMPORTANT
Echo premium Power Blend TM Universal 2-Stroke Oil may be mixed
at 50:1 ratio for application in all Echo engines sold in the past
regardless of ratio specified in those manuals.

12
Handling Fuel
WARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or
handling or serious personal injury may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow flames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps
slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT or RUNNING!
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks outdoors
over bare ground.
• DO NOT overfill fuel tank. It is not permitted to fill fuel above the
shoulder level of fuel tank. Wipe up spills immediately.
• Securely tighten fuel tank cap and close fuel container after
refueling.
• Inspect for fuel leakage. If fuel leakage is found, do not start or
operate unit until leakage is repaired.
• Move at least 3m (10 ft.) from refueling location before starting
the engine.
Mixing Instructions
1. Fill an approved fuel container with half of the required amount of
gasoline.
2. Add the proper amount of 2-stroke oil to gasoline.
3. Close container and shake to mix oil with gasoline.
4. Add remaining gasoline, close fuel container, and remix.
IMPORTANT
Spilled fuel is a leading cause of hydrocarbon emissions. Some
states may require the use of automatic fuel shut-off containers
to reduce fuel spillage.
After use
• DO NOT store a unit with fuel in its tank. Leaks can occur. Return
unused fuel to an approved fuel storage container.
Storage - Fuel storage laws vary by locality. Contact your local
government for the laws affecting your area. As a precaution, store fuel
in an approved, airtight container. Store in a well-ventilated, unoccu-
pied building, away from sparks and flames.
IMPORTANT
Stored fuel ages. Do not mix more fuel than you expect to use in
thirty (30) days, ninety (90) days when a fuel stabilizer is added.
Stored two-stroke fuel may separate. ALWAYS shake fuel
container thoroughly before each use.
SM TWTF S
123456 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31
3 m (10 ft.)
MINIMUM
Shoulder
level
Fuel tank
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SAGLIOSAGLIO
snollaG.zo.lFretiL.cc
1
2
5
6.2
2.5
31
4
8
02
08
061
004

13
POWER BLOWER
OPERATOR’SMANUAL
OPERATION
• Provide all operators of this equipment with the Operator’s Manual
and instructions for safe operation.
• Before starting the unit, equip yourself and any other person working
within the 15 m (50 ft.) Safety Zone with the required Protective
Equipment and clothing.
• Do not operate this product indoors or in inadequately ventilated
areas.
STARTING COLD ENGINE
WARNING DANGER
When engine is started, confirm if there is not any abnormal
vibration or sound. If there is abnormal vibration or sound, ask your
dealer to repair.
1. Stop Switch - Start/Run.
Turn switch to “RUN” position.
2. Close Choke - Cold Start.
Pull choke all the way out. (Close position)
IMPORTANT
Recoil starter: Use short pulls - only 1/2 - 2/3 of rope for starting.
Do not allow the rope to snap back in. Always hold the unit
firmly.
15 m (50 ft.)
Pull
Choke
Stopswitch

14
3. Place the blower on a flat clear area. Firmly grasp throttle grip with
left hand and rapidly pull recoil starter handle/rope until engine
fires.
4. Push choke all the way in. (Open position)
Pull recoil starter handle/rope until engine starts and runs. Allow
unit to warm up at idle for several minutes.
NOTE
If engine does not start with choke in “Run” position after 4 pulls,
repeat instructions.
5. After engine warm up, gradually depress throttle trigger to
increase engine r/min to operating speed.
STARTING WARM ENGINE
1. Stop Switch - Start/Run.
Turn switch to “RUN” position.
2. Place the blower on a flat clear area. Firmly grasp throttle grip with
left hand and rapidly pull recoil starter handle/rope until engine
fires.
IMPORTANT
Recoil starter: Use short pulls - only 1/2 - 2/3 of rope for starting.
Do not allow the rope to snap back in. Always hold the unit
firmly.
NOTE
If engine does not start after 4 pulls, use Cold Start Procedure.
STOPPING ENGINE
1. Release throttle trigger and allow engine to idle for a minute.
2. Move stop switch to “STOP” position.
WARNING DANGER
If engine does not stop when stop switch is moved to STOP
position, close choke - COLD START position - to stall engine.
Have your ECHO dealer repair stop switch before using blower
again.
Recoilstarterhandle
Stopswitch
Stopswitch

15
POWER BLOWER
OPERATOR’SMANUAL
OPERATING BLOWER
WARNING DANGER
Always wear safety glasses, hearing protection and a face filter
mask or serious personal injury may result.
Do not point the blower pipe in the direction of people or pets.
Read the Safety Section carefully.
IMPORTANT
To avoid engine damage due to over revving, do not block
blower pipe.
1. Use only during appropriate hours.
2. Allow the engine to warm up at a fast idle for a few minutes.
3. Use lower speed to blow dry leaves from a lawn or flower bed.
Additional speed may be necessary to clean grass and leaves from
walks, patios and drives or to move gravel, dirt, snow, bottles or
cans from a driveway, street, parking lot or stadium.
NOTE
Never use a higher speed setting than necessary to perform a task.
Remember, the higher the engine speed, the louder the blower noise.
Minimize dust by using blower at lower speeds. Keep debris on
your property.
Be a good neighbor.

16
MAINTENANCE
Your ECHO blower is designed to provide many hours of trouble free service. Regular scheduled maintenance will help
your blower achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your
unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the
ECHO Dealer do it, each maintenance task has been graded. If task is not listed, ask your ECHO Dealer for repairs.
SKILL LEVELS
Level 1 = Easy to do. Most required tools come with unit.
Level 2 = Moderate difficulty. Some specialized tools may be required.
Level 3 = Experience required. Specialized tools are required. ECHO recommends
that the unit be returned to your ECHO dealer for service.
ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier. Just below each task
heading are listed the various part numbers required for that task. Ask your ECHO dealer for these parts.
MAINTENANCE INTERVALS
COMPONENT/
SYSTEM
MAINTENANCE
PROCEDURE
REQ'D
SKILL
LEVEL
DAILY
OR
BEFORE
USE
EVERY
REFUEL
3
MONTHS
OR 90
HOURS
6
MONTHS
OR 270
HOURS
YEARLY
Cylinder Exhaust Port Inspect/Clean/Decarbon 3I/ C
Fuel System, Leaks Replace 3R*
Air Filter Inspect/Clean/Replace 1I/ C R*
Choke Inspect/Clean 2I/ C
Fuel Filter Inspect/Replace 1IR*
Fuel System, Leaks Inspect 1II
Cooling System Inspect/Clean 2I/ C
Muffler Spark Arrestor Inspect/Replace 2I/ R*
Recoil Starter Rope Inspect/Clean 1I/ C I/ R*
Spark Plug Inspect/Clean 2I/ C R*
Screws/Nuts/Bolts Inspect/Tighten/Replace 1I/ R*
Recommended ECHO Dealer Maintenance Procedures
Do-It-Yourself Mainte nace Procedure s
MAINTENANCE PROCEDURE LETTER CODES: I = INSPECT, R = REPLACE, C = CLEAN
IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine the frequency
of required maintenance.
MAINTENACE PROCEDURE NOTES:
*All recommendations to replace are based on the finding damage or wear during inspection.

17
POWER BLOWER
OPERATOR’SMANUAL
Element
AIR FILTER
Level 1.
NOTE
Clean daily.
1. Close choke (Cold Start Position). This prevents dirt from
entering the carburetor throat when the air filter is removed.
Brush accumulated dirt from the air cleaner area.
2. Remove the air cleaner cover. Clean and inspect the element for
damage. If element is fuel soaked and very dirty, replace it.
3. If element can be cleaned and reused, be certain it:
•still fits the cavity in the air cleaner cover.
•is installed with the original side out.
FUEL FILTER
Level 1.
WARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or
handling.
1. Use a clean rag to remove loose dirt from around fuel cap and
empty fuel tank.
2. Use the “fuel line hook” to pull the fuel line and filter from the
tank.
3. Remove the filter from the line and install the new filter. Fuelfilter
Aircleanercover
CHECK FUEL SYSTEM
Level 1 or 3.
1. Check before every use. (Level 1)
2. After refueling make sure fuel does not leak or exude from around
fuel pipe, fuel grommet or fuel tank cap. (Level 1)
3. In case of fuel leakage or exudation there is a danger of fire. Stop
using the machine immediately and request your dealer to inspect
or replace. (Level 3)

18
WARNING DANGER
Muffler operates at extremely high temperatures. Muffler area must
be kept clean. Do not perform maintenance on the engine or muffler
until engine and muffler are completely cool, otherwise serious
personal injury may occur.
SPARK PLUG
Level 2.
1. Remove spark plug and check for fouling, worn and rounded
center electrode.
2. Clean the plug or replace with a new one. DO NOT sand blast to
clean. Remaining sand will damage engine.
3. Adjust spark plug gap by bending outer electrode.
4. Tighten spark plug to 15 - 17 N•m (130 - 145 in. lb.).
COOLING SYSTEM
Level 2.
IMPORTANT
To maintain proper engine operating temperatures, cooling air must
pass freely through the cylinder fin area. This flow of air carries
combustion heat away from the engine.
Overheating and engine seizure can occur when:
• Air intakes are blocked, preventing cooling air from reaching the
cylinder.
• Dust and grass build up on the outside of the cylinder. This build up
insulates the engine and prevents the heat from leaving.
Removal of cooling passage blockages or cleaning of cooling fins is
considered “Normal Maintenance”. Any failure attributed to lack of
maintenance is not warranted.
Cleaning Grill
• Brush accumulated debris from intake grill.
INTAKE
GRILL
0.65 mm
(0.026in.)

19
POWER BLOWER
OPERATOR’SMANUAL
Cylinderfins
Cleaning Cylinder Fins
• Clean cylinder fins to allow cooling air to pass freely.
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
IMPORTANT
Carbon deposits in muffler will cause a drop in engine output and
overheating. Spark arrestor screen must be checked periodically.
1. Remove spark arrestor cover, gasket and spark arrestor screen
from muffler. Replace screen if plugged with carbon deposits.
NOTE
When cleaning carbon deposit, be careful not to damage the
catalytic element inside muffler.
2. Install spark arrestor screen, gasket, and cover.
3. Tighten all screws securely.
Cylinder Exhaust Port
Level 3.
IMPORTANT
The cylinder exhaust port must be inspected and cleaned of excess
carbon every 3 months or 90 hours of operation in order to maintain
this engine within the emissions durability period. ECHO strongly
recommends that you return your unit to your ECHO dealer for this
important maintenance service.
Sparkarrestorcover
Gasket
Sparkarrestorscreen

20
A
CARBURETOR ADJUSTMENT
Engine Break-In
New engines must be operated a minimum duration of two tanks of fuel
break-in before carburetor adjustments can be made. During the break-
in period your engine performance will increase and exhaust emissions
will stabilize. Idle speed can be adjusted as required.
High Altitude Adjustment
High altitude adjustment is not required for proper operation of this
engine.
Level 2.
NOTE
Every unit is run at the factory and the carburetor is set in
compliance with California Emission Regulations.
In addition, the carburetor is equipped with “H” (High Speed
Needle) and “L” (Low Speed Needle) needle adjustment limiters
that prevent settings outside acceptable limits.
1. Before adjusting carburetor clean or replace air filter and
muffler, “Spark Arrestor Screen”.
2. Start engine and run several minutes to bring to operating
temperature. Flash choke twice during warm-up to clear any air
from the fuel system.
3. Stop engine. Turn “H” speed needle CCW (Counterclock-
wise) to stop. Turn “L” speed needle midway between full CW
(Clockwise) stop and CCW stop.
4. Idle Speed Adjustment
• Before adjusting blower, install all blower pipes.
Start engine, turn “idle” speed adjustment screw either
CW or CCW until the tip just contacts the throttle plate.
Then turn (2) two additional turns CW for initial setting.
Blower should operate with an even idle at low r/min.
5. Accelerate to full throttle for 2 - 3 seconds to clear any excess
fuel in the engine, then return to idle. Accelerate engine to full
throttle to check for smooth transition from idle to high speed.
If engine hesitates turn “L” needle CCW 1/8 turn and repeat
acceleration. Continue adjustment until smooth acceleration
results.
6. Check idle speed and reset if necessary as described in item 4.
Highspeed
needle(H)
Lowspeedneedle (L)
Idleadjustment
needle