Echo PB-2155 User manual

X753003853
06/15
MODEL
PB-2155
PB-2455
OPERATOR'S MANUAL
WARNING, SEE OPERATOR'S MANUAL
X7531138003

2
WARNING DANGER
Read rules for safe operation and instructions carefully. ECHO provides this Operator's Manual which must be
read and understood for proper and safe operation.
Table of ConTenTs
Introduction................................................................2
- The Operator's Manual .......................................2
Manual Safety Symbols and Important Information .3
Safety .........................................................................3
- General Description ............................................3
- Decals .................................................................4
- International Symbols.........................................4
- Equipment...........................................................5
- Personal Condition and Safety Equipment ......... 6
- Safe Operation ....................................................7
- Extended Operation/Extreme Conditions ........... 8
Description.................................................................9
- Contents ..............................................................9
Specications ...........................................................10
Assembly..................................................................10
- Install Blower Pipes..........................................10
- Install Vacuum Tube (Optional)........................ 11
Pre-Operation...........................................................12
- Fuel ...................................................................12
Operation..................................................................14
- Starting Cold Engine.........................................14
- Starting Warm Engine.......................................14
- Stopping Engine................................................14
- Operating Blower..............................................15
- Operating Vacuum (Optional)...........................16
Maintenance.............................................................17
- Maintenance Intervals.......................................17
 - Airlter ............................................................18
- Carburettor Adjustment ....................................18
- Cooling System.................................................20
- Exhaust System.................................................20
- Spark Plug.........................................................22
- Fuel Filter..........................................................22
- Vacuum Bag (Optional) ....................................22
Troubleshooting .......................................................23
Storage .....................................................................24
Specications,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.
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nditeasytouseandfullofhelpfuloperatingtipsand
SAFETY messages.
The operaTor'smanual --
containsspecicationsandinformationforoperation,starting,stop-
ping,maintenance,storageandassemblyspecictothisproduct.

3
Power Blower
oPerator'sManual
manual safeTy symbols and ImporTanT InformaTIon
Throughoutthismanualandontheproductitself,youwillnd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 WARNING and DAN-
GER 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.
safeTy
general desCrIpTIon
IMPORTANT
SeeDescriptionandSpecicationsectionsandDecalsinthissectionforfulldescriptionandillustrationofpower
head,andblowerassembly.
HANDLE
IGNITION SWITCH
BLOWER PIPES
MUFFLER
STARTER HANDLE
AIR CLEANER COVER
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.

4
deCals
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specicinformation.
HOT DECAL
InTernaTIonal symbols
Symbol Symbol
Symbol form/shape description/application Symbol form/shape description/application
"WARNING, SEE Petrol and oil mixture
OPERATOR'S MANUAL"
Wear eyes, ears and Finger Severing
head protection
Emergency stop Carburettor adjustment
- Low speed mixture
Hot Carburettor adjustment
Surface - High speed mixture
Carburettor adjustment
- Idle speed
Guaranteed sound power
level
P/N X505002310
P/N 89016009461 P/N X505001010
Start Engine

5
Power Blower
oPerator'sManual
Spark Arrestor Mufer
• Thesparkarrestormufercontrolstheexhaustnoiseandprevents
hot,glowingparticlesofcarbonfromleavingthemufer.Makesure
the spark arrestor screen is in good repair and properly seated in the
mufer.(RefertoExhaustSystemMaintenance.)
equIpmenT CheCk
WARNING
Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment combi-
nation.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.
• 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.
WARNING
Movingpartscanamputatengersorcausesevereinjuries.Keephands,clothingandlooseobjectsawayfromall
openings.
• ALWAYSstopengine,disconnectsparkplug,andmakesureallmovingpartshavecometoacompletestop
beforeremovingobstructions,clearingdebris,orservicingunit.
• DO NOT start or operate unit unless all guards and protective covers are properly assembled to unit.
• NEVER reach into any opening while the engine is running. Moving parts may not be visible through openings.
WARNING
Checkfuelsystemforleaksduetofueltankdamage,especiallyiftheunitisdropped.Ifdamageorleaksarefound,
donotuseunit,otherwiseseriouspersonalinjuryorpropertydamagemayoccur.Haveunitrepairedbyanauthorized
servicing dealer before using.

6
personal CondITIon and safeTy equIpmenT
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 blower.
Physical Condition
Your judgment and physical dexterity may not be good:
 •ifyouareover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 goggles that meet ANSI Z 87.1 eye protection 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 vibra-
tion 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tting,durableclothing;
 •Pantsshouldhavelonglegs,shirtswithlongsleeves.
 •DONOTWEARSHORTS,
•DONOTWEARTIES,SCARVES,JEWELRY,orclothingwith
loose or hanging items that could become entangled in moving parts
or surrounding growth.
Wearsturdyworkshoeswithnonskidsoles;
 •DONOTWEAROPENTOEDSHOES,
• DO NOT OPERATE UNIT BAREFOOTED.
Keeplonghairawayfromengineandblowerintake.Retainhairwith
cap or net.
WARNING
The ignition components of this machine generate an electro-
magneticeldduringoperationwhichmayinterferewithsome
pacemakers.Toreducetheriskofseriousorfatalinjury,persons
with pacemakers should consult with their physician and the
pacemaker manufacturer before operating this machine. In the
absenceofsuchinformation,ECHOdoes not recommend the use
of ECHO products by anyone who has a pacemaker.

7
Power Blower
oPerator'sManual
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
DANGER
Do not operate this product indoors or in inadequately ventilated
areas. Engine exhaust contains poisonous emissions and can cause
serious injury or death.
Setup/Check Operation Area
• 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 while the blower
is in use.
• Operate only in well ventilated areas: do not operate in enclosed
areassuchasinsidegarages,shedsorbuildings.
• Take wind conditions into account: avoid open doors and windows.
Use Proper Clothing and Equipment
• Beforestartingtheunit,equipyourselfandanyotherpersonwork-
ing within the 15 m Safety Zone with the required Protective Equip-
ment and clothing.
• Start unit on ground with throttle at idle. Check that blower pipe is
not blocked by the ground or by any objects.
• Do not point blower at people or animals.
Keep A Firm Grip and Solid Stance
• Holdhandlewithngerstogetherencirclingthehandle.
• 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.
Noise Control
• Follow local noise regulations on sound levels and hours of opera-
tions. 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.
15 m (50 ft.)

8
Avoid Hot Surfaces
• Duringoperation,theexhaustareamaybecomeveryhot,
too hot to touch. Avoid contact during and immediately
after operation.
exTended operaTIon/exTreme CondITIons
Vibration and Cold --
ItisbelievedthataconditioncalledRaynaud’sPhenomenon,which
affectsthengers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ngers.Thefollowingprecautionsarestronglyrec-
ommended 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 exer-
cises during frequent work breaks and also by not smoking.
• Limitthehoursofoperation.Trytoll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ngers
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ngers,
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follow-
ing:
• Avoidusingyourwristinabent,extendedortwistedposition.In-
steadtrytomaintainastraightwristposition.Also,whengrasping,
useyourwholehand,notjustthethumbandindexnger.
• Take periodic breaks to minimize repetition and rest your hands.
• Reduce the speed and force in which you do the repetitive move-
ment.
• Do exercises to strengthen the hand and arm muscles.
• Seeadoctorifyoufeeltingling,numbnessorpaininthengers,
hands,wristsorarms.ThesoonerRSI/CTSisdiagnosed,themore
likely permanent nerve and muscle damage can be prevented.

9
Power Blower
oPerator'sManual
1. SPARK PLUG - Provides spark to ignite fuel mixture.
2. THROTTLE POSITION LEVER - Pull back to increase engine speed. Friction washers maintain throttle trig-
ger setting.
3. MUFFLER/SPARK ARRESTER - Thesparkarrestermufercontrolstheexhaustnoisewhilethesparkarrester
preventshot,glowingparticlesofcarbonfromleavingthemufer.
4. FUEL TANK CAP - For closing the fuel tank.
5. CHOKE LEVER - Lever is located on right side of the air cleaner. Move lever DOWN to close choke (starting
position) and for emergency stopping. Lift up to open choke (run position).
6. AIR CLEANER - Contains replaceable felt element.
7. IGNITION SWITCH - "SLIDE SWITCH" mounted on top of handle. Slide forward to start and run. Slide
back to stop.
8. THROTTLE TRIGGER - Spring loaded to return to idle when released if throttle position lever is not engaged.
9. BLOWER PIPES - Twist lock design.
10. STARTER HANDLE - Pull handle to start the engine. DO NOT let handle snap back or damage to unit will oc-
cur.
11. PURGE BULB - Pumping purge bulb before starting draws fresh fuel from fuel tank to carburettor replacing air
andoldfuel.Beforestarting,pumprepeatedly(normally3-4times)untilfuelisvisiblein"Clear"fuelreturnline.
12. OPERATOR'S MANUAL - Included in plastic bag (co-pack). Read before operation and keep in a safe place for
futurereference,i.e.,operation,maintenance,storageandspecications.
12
desCrIpTIon
1
4
7
8
9
10
2
7
11
6
5
5
3
ConTenTs
1- Power Head
1- Blower Pipe Assembly
1- Plastic Bag
1- Operator's Manual
1- Assembly Tool (s)

10
assembly
WARNING DANGER
Never perform maintenance or assembly procedures with engine
running or serious personal injury may result.
InsTall blower pIpes
1. Remove tube retaining screw from blower housing. Align grooves
in straight pipe with pegs of blower housing and slide pipe onto
housing.
speCIfICaTIons
PB-2155 PB-2455
Mass(dry,withblowerpipes) kg 4.1
External dimensions (without pipes)
Length x Width x Height mm 218 x 328 x 340
Engine
Type Aircooled,twostroke,singlecylinder
Displacement mL 21.2 23.6
Power kW 0.5 0.66
Recommended Engine speed at full load r/min 7000 8000
Recommended Engine speed at idling r/min 2700
Carburettor Diaphragm Model
Ignition Flywheel magneto - CDI system
Spark Plug NGKBPMR7A
Starter Automatic Recoil System
Air Volume m3/h 420 456
Fuel Regular grade petrol. Minimum 89 Octane unleaded petrol is
recommended. Do not use fuel containing methyl alcohol or more
than 10% of ethyl alcohol.
oil Air-cooled2-strokeengineoil.Recommendedmixtureratio;
50:1(2%)forISO-L-EGDStandard(ISO/CD13738),JASO
FC,FDgradeandECHOPremium50:1oil.
Tank Capacity (full) mL 500
Sound Pressure Level
ISO 11094 LpAeq dB(A) 87.5 91.7
Guaranteed Sound Power Level
(2000/14/EC)Lwa dB(A) 107 109
Vibration:ISO22867Ahv,eq m/s26.6 7.8
Blower Pipe standard
VacuumKit optional

11
Power Blower
oPerator'sManual
InsTall vaCuum Tube (opTIonal)
WARNING DANGER
Never perform maintenace or assembly prodecures with engine run-
ning.Whenremovinggrid,stopengine.Whenapplyingasblower,
fasten grid securely.
1. Remove screw in fan grid. Pull fan grid out for access to tube
clamp.
2. Loosen screw in clamp.
 3. Holdthefangridopen,andslidethevacuumtubeintothehousing
mount until completely seated. Position the tube so that the bevel
faces down in the operating position.
4. Secure vacuum tube with clamp by tightening screw in clamp.
5. Align grooves in vacuum elbow with pegs on air outlet and install
vacuum elbow.
 6. Turnvacuumelbowclockwisetolockitintoplace,pointingback-
ward.
7. Place vacuum bag opening over end of vacuum elbow and secure
with velcro strap.
2. Turn straight pipe clockwise to lock it into place.
3. Tighten screw securely.
4. Remove tube retaining screw from the straight tube. Align grooves
in fan head nozzle with pegs on straight pipe and slide fan head
nozzle onto straight pipe.
5. Turn fan head nozzle clockwise to lock it into place.
6. Tighten screw securely.
Screw
Clamp

12
NOTICE:Useofunmixed,improperlymixed,orfuelolderthan90days,(stalefuel),maycausehardstarting,poor
performance,orsevereenginedamageandvoidtheproductwarranty.ReadandfollowinstructionsintheStorage
section of this manual.
fuel
WARNING
Alternativefuels,suchasE-15(15%ethanol),E-85(85%ethanol)oranyfuelsnotmeetingECHOrequirementsare
NOT approved for use in ECHO 2-stroke gasoline engines. Use of alternative fuels may cause performance prob-
lems,lossofpower,overheating,fuelvaporlock,andunintendedmachineoperation,including,butnotlimitedto,
improperclutchengagement.Alternativefuelsmayalsocauseprematuredeteriorationoffuellines,gaskets,carbu-
retors and other engine components.
WARNING
Movingpartscanamputatengersorcausesevereinjuries.Keephands,clothingandlooseobjectsawayfromall
openings.Alwaysstopengine,disconnectsparkplug,andmakesureallmovingpartshavecometoacompletestop
beforeremovingobstructions,clearingdebris,orservicingunit.Blowerhousingmaycontainshredderbladesand
othersharpedgesthatcancauseseriousinjuriesiftouched,evenifengineisoffandbladesarenotmoving.Wear
gloves to protect hands from sharp edges and hot surfaces.
WARNING
Operationofthisequipmentmaycreatesparksthatcanstartresarounddryvegetation.Thisunitisequippedwith
asparkarrestorandasparkarrestormayberequired.Theoperatorshouldcontactlocalreagenciesforlawsor
regulationsrelatingtorepreventionrequirements.
pre-operaTIon
Fuel Requirements --
Petrol - Fuel is a mixture of regular grade petrol and an air-cooled 2-stroke engine oil of reputable brand name. Mini-
mum 89 Octane unleaded petrol is recommended. Do not use fuel containing methyl alcohol or more than 10 % of
ethyl alcohol.
Two Stroke Oil - Recommendedmixtureratio;50:1(2 %)forISO-L-EGDStandard(ISO/CD13738),JASOFC/FD
grade and ECHO Premium 50 : 1 oil.

13
Power Blower
oPerator'sManual
Handling Fuel
WARNING DANGER
FuelisVERYammable.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ames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llfueltanksindoors.ALWAYSllfueltanksout-
doors over bare ground.
•DONOToverll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.
• Wipeanyspilledfuelfromtheunit.Itisnotpremittedtollfuel
above the shoulder level of fuel tank. (Shoulder level)
• Move at least 3 m from refuelling 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.
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 gov-
ernmentforthelawsaffectingyourarea.Asaprecaution,storefuelin
anapproved,airtightcontainer.Storeinawell-ventilated,unoccupied
building,awayfromsparksandames.
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.
IMPORTANT
Stored two-stroke fuel may separate. ALWAYS shake fuel con-
tainer thoroughly before each use.
MINIMUM 3 m

14
operaTIon
• Provide all operators of this equipment with the Operator's Manual
and instructions for safe operation.
IMPORTANT
Checkunitforloosenuts,boltsandscrewsdaily.
IMPORTANT
Recoil starter: Use short pulls - only 1/2-2/3 of rope length for
starting. Do not allow the rope to snap back in. Always hold the
unitrmly.
sTarTIng Cold engIne
1. Move ignition switch to START/RUN position.
2. Move throttle lever to IDLE position.
3. Push purge bulb 3-4 times (or until fuel is visible in fuel return
line).
4. Close choke (move choke lever up) and pull starter handle until
engineres.
 5. Openchokeandifnecessary,restartengine.
NOTE
Allow engine to warm up before use.
sTarTIng warm engIne
1. Move throttle lever to IDLE position.
 2. Moveignitionswitchtostart,pullstarterhandle1-3timesand
engine should start. Do not use choke.
NOTE
Ifenginedoesnotstartafter4pulls,usecoldstartprocedures.
sToppIng engIne
1. Release throttle trigger and allow engine to run at idle for a few
minutes.
2. Move throttle lever to IDLE position.
3. Move ignition switch to "STOP" position.
WARNING DANGER
Ifenginedoesnotstop,shiftchokelevertoclosedposition.
Check and repair ignition switch before starting engine again or
serious personal injury may result.
START/RUN
STOP
Throttle trigger
Ignition
switch
Starter
handle
Choke
lever
Throttle lever
Throttle lever
Ignition
switch
Purge
bulb

15
Power Blower
oPerator'sManual
Throttle posi-
tion lever
Throttle trigger
WARNING DANGER
Alwayswearsafetyglasses,hearingprotectionandafacelter
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. Controlenginespeedwiththrottletrigger,orforcontinuoususe,
set engine speed with throttle position lever. Rotate throttle posi-
tionleverforwardforlowerspeed,backforhigherspeed.
4. Use lower speed to blow debris from hard surfaces.
 5. Additionalspeedmaybenecessarytocleandebris,snow,etc.
fromlawnsandowerbeds.
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 Smart - be a good neighbor.
WARNING DANGER
EngineexhaustISHOT,andcontainsCarbonMonoxide(CO),a
poisongas.BreathingCOcancauseunconsciousness,seriousin-
jury,ordeath.Exhaustcancauseseriousburns.ALWAYSposition
unit so that exhaust is directed away from your face and body.
operaTIng blower
IMPORTANT
Use reduced speed only when performing light-duty tasks or
to comply with local noise regulations. Continuous low speed
operation may allow fuel/oil residue to build-up on the piston
andcauserapidbuild-upofcarbononthesparkarrestorscreen,
resulting in overheating and engine damage. To reduce harmful
build-up,runengineatwideopenthrottleforatleast5minutes
everyhour,andinspect/cleanthesparkarrestorscreenafterap-
proximately 40 hours of operation.

16
operaTIng vaCuum (opTIon)
WARNING DANGER
• Alwayswearsafetyglassesanduseafaceltermask.(Readthe
safe operation section carefully.)
• Do not point the blower pipe in the direction of people or pets.
• Neveroperateunitwithoutfangridsecuredbythumbnut,other-
wise bodily harm may result.
NOTE
Do not block blower pipe to avoid engine damage due to over
speed.
1. Allow the engine to warm up at a fast idle for a few minutes.
2. Make sure bevel at end of pipe faces downward.
3. Engine speed can be easily controlled by throttle trigger with
ngersorthrottlepositionlever.
NOTE
Never use a higher speed setting than necessary to perform a task.
Remember,thehighertheenginespeed,theloudertheblower
noise.

17
Power Blower
oPerator'sManual
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,seeyourECHODealerforrepairs.
skIll level
Level 1 = Easy to do. Common tools may be required.
Level 2= Moderatedifculty.Somespecializedtoolsmayberequired.
WARNING
Movingpartscanamputatengersorcausesevereinjuries.Keephands,clothingandlooseobjectsawayfromall
openings.Alwaysstopengine,disconnectsparkplug,andmakesureallmovingpartshavecometoacompletestop
beforeremovingobstructions,clearingdebris,orservicingunit.Allowunittocoolbeforeperformingservice.Wear
gloves to protect hands from sharp edges and hot surfaces.
maInTenanCe
COMPONENT / SYSTEM MAINTENANCE
PROCEDURE
REQ'D
SKILL
LEVEL
DAILY OR
BEFORE USE
EVERY
REFUEL 3 MONTHS YEARLY
Air Filter Inspect/Clean 1I / C * R *
Choke Shutter Inspect/Clean 1I / C
Fuel Filter Inspect/Replace 1I * I / R *
Fuel Cap Gasket Inspect/Replace 1I * R *
Fuel System Inspect/Replace 1I (1) * I (1) *
Spark Plug Inspect/Clean/Replace 1I / C / R *
Cooling System Inspect/Clean 2I / C
Muffler Spark Arrestor Inspect/Clean/Replace 2I / C / R *
Cylinder Exhaust Port Inspect/Clean/Decarbon 2I / C
Recoil Starter Rope Inspect/Clean 1I / C *
Vacuum Bag Inspect/Replace 1I / R
Screws/Nuts/Bolts Inspect/Tighten/Replace 1I *
* All recommendations to replace are based on the finding of damage or wear during inspection.
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.
MAINTENANCE PROCEDURE NOTES:
(1) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.
maInTenanCe InTervals

18
aIr fIlTer
Level 1.
Parts required: Air Filter
NOTE
Clean daily.
 1. Closechoke,removewingnut,aircleanercoverandairlter.
 2. Brushdustofflter.
CarbureTTor adjusTmenT - general
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 Operation
Thisenginehasbeenfactoryadjustedtomaintainsatisfactorystarting,
emission,anddurabilityperformanceupto1,100feetabovesealevel
(ASL) (96.0 kPa). To maintain proper engine operation and emission
complianceabove1,100feetASLthecarburetormay need to be ad-
justed by an authorized ECHO service dealer.
IMPORTANT
If the engine is adjusted for operation above1,100feetASL,the
carburetor must be re-adjusted when operating the engine below
1,100feetASL,otherwisesevereenginedamagemayresult.
Level 2.
Parts required: none.
NOTE
Donotadjustcarburetorunlessnecessary.Ifyouhavedifcultly,
see your ECHO dealer.

19
Power Blower
oPerator'sManual
Adjusters
Idle Speed Adjuster (T) Control throttle opening at idle.
Low Speed Mixture Adjuster (L) Controls amount of fuel at low
speed and supplementary fuel for
smooth progression from idle to
high speed.
High Speed Mixture Adjuster (H) Controls amount of fuel at full
throttle
Before Adjustment
Check that:
- Airlteriscleanandproperlyinstalled.
- Spark arrestor screen and exhaust port are free of carbon
- Blower pipes are installed
Initial Adjustment
 1. Withengineoff,turnHadjusteranticlockwisetostop.
2. Turn L adjuster midway between stops.
 3. TurnTadjusteruntiltipofadjusterjusttouchesthrottleplate;
then turn three turns clockwise.
Final Adjustment
IMPORTANT
Limiter caps prevent exceeding emission limits and over rich
adjustment,butnotoverleanadjustment,whichcancauseen-
gine failure: Do not exceed recommended high speed engine rev
duringoperation,orforlongperiodsduringadjustment.
 1. Startengine,runatidleforoneminute.
 2. Completewarmupbyrunningatfullthrottlefor5minutes,oper-
ating choke twice to clear air from carburettor chambers.
3. Run at idle and accelerate to check for smooth transition from idle
tohighspeed;ifenginehesitates,turnLadjusteranticlockwise
1/8 turn at a time until acceleration is smooth.
 4. AdjustTadjusterto2,700r/min,usingtachometer.
NOTE
Whenthereissometroublewiththecarburettor,contactyourdis-
tributor or dealer.
T
L
H

20
CoolIng sysTems
Level 2.
Parts Required: None if you are careful.
IMPORTANT
Topreventoverheatingandengineseizure,coolingaircomes
through the grille and is pushed by a cooling fan through the cyl-
indernareatoanopeninginthefrontoftheenginecover,taking
awaycombustionheat.Thegrilleandcylindernsmustbekept
cleanofgrass,dustandanydebris.Enginefailureduetolackof
this "Normal Maintenance" is not covered by warranty.
Cleaning Grille
Remove accumulated debris from crankcase intake grille above the fuel
tank.
Cleaning Cylinder Fins
1. Remove spark plug.
 2. Removeenginecoverandcleancylindernstoallowcoolingair
to pass freely.
INTAKE
GRILLE
exhausT sysTem
Level 2.
Parts Required: Sparkarresterscreen,gasket.
Mufer Spark Arrester
IMPORTANT
Carbondepositsincylinderexhaustportandmuferwillcausea
dropinengineoutputandoverheating.Muferexhaustportand
spark arrester screen must be checked periodically.