Echo 99944200610, SRM-2100SB, SRM-2400SB, SRM-210SB, SRM-211SB, SRM-260SB, SRM-261SB, PAS-2100, PAS-2400, PAS2601, PAS-210,... User manual

Grass Trimmer/Brush Cutter
Operator'sManual
MODELS, Type 1E SRM - 2100SB
Serial Number 0533424 & Up
SRM - 2400SB
Serial Number 0563001 & Up
WARNING DANGER
Readrulesforsafeoperationandinstructionscarefully. ECHOprovidesan
Operator'sManualwiththisunitandaseparateOperator'sManualandSafety
Manual(ifavailable)withtheattachment. Allmanualsmustbereadandunder-
stoodforproperandsafeoperation.Failuretodosocouldresultinseriousinjury.
X7532277103 89861056733
12/01

GRASS TRIMMER/BRUSH CUTTER
OPERATOR'SMANUAL 3
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.
MANUAL SAFETY SYMBOLS AND IMPORTANT INFORMATION
IMPORTANT Theenclosedmessage
provides information necessary for the
protection of the unit.
NOTE Thisenclosedmessageprovides tipsfor
use, care and maintenance of the unit.
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.
SAFETY
DECALS
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
orderedfromyourECHOdealer. SeePARTSORDERINGinstructions
forspecificinformation. DEBRISSHIELDDECAL

4
with shield in place. Operators, helpers and bystanders must wear
ANSI Z87.1 approved eye protection.
• Always wear hearing protection when operating unit.
• Prevent accidental contact with unit and any cutting attachment.
Maintaina15M(50ft.)radius,DANGERZONEsurroundingthe
operator. ONLY the operator, dressed in proper protective clothing
shouldbeintheDANGERZONE.
• BewareofKICKOUT(bladethrust)whenusingblades. Special
precautions are necessary for blade operation, see your Operator's
and Safety Manuals. ONLY install ECHO approved blades on
Brush Cutters (SRM) models equipped with proper blade shield,
U-handles, harness, blade collar, nut and cotter pin.
• Blade/Cutting attachment does not stop immediately after releasing
throttle. Keep hands and feet clear of blade/cutting attachment
unless engine is shut off and cutting attachment is not moving.
• INSPECTBLADESBEFOREUSE.
• DONOTUSEDAMAGED,CRACKED,BENT,DULLOR
IMPROPERLYSHARPENEDBLADES.
• Do not remove shields, modify the unit or install attachments or
parts not approved by ECHO. Approved attachment information
and replacement Operator's and Safety Manuals are available from
yourECHOdealerorbywriting:ECHO,INCORPORATED,400
OAKWOODRD.,LAKEZURICH,IL 60047.
4
Shaft Decal
WARNING DANGER
• This unit can be dangerous and cause serious injury if improperly
used. To reduce injury risk to operator, helpers and bystanders,
read and understand the Operator's and Safety manuals.
• Blindness can occur from objects that are thrown or ricocheted even
P/N 89016844830
Symbol
description/application Symbol form/shape Symbol
description/application
Symbol form/shape
Hot
Surface
Carburetor adjustment
- Idle speed
Carburetor adjustment
- High speed mixture
Symbol
description/application Symbol form/shape Symbol
description/application
Symbol form/shape
"WARNING, SEE
OPERATOR'S
MANUAL
Wear eyes, ears and
head protection
Emergency stop
Fuel and oil mixture
Finger Severing Carburetor adjustment - Low speed mixture
Primer Bulb
Ignition
ON/OFF
Wear hand and
foot protection WARNING
Keep bystanders and helpers
away 15 m (50 ft.).
Blade and string
line capable
Do not exceed
10,000 RPM.
Do not operate
without guards and
shields in place.
BEWARE
- Thrown,
Ricochet
objects
Engine choke
control.
INTERNATIONAL SYMBOLS

GRASS TRIMMER/BRUSH CUTTER
OPERATOR'SMANUAL 5
SAFETYINSTRUCTIONS
PERSONAL CONDITION AND SAFETY EQUIPMENT
WARNING DANGER
Trimmer/Brush Cutter users risk injury to themselves and others if the trimmer/brush cutter is used improperly
or safety precautions are not followed. Proper clothing and safety gear must be worn when operating a
trimmer/brushcutter.
Eye Protection
Wear eye protection that meets ANSI Z87.1 or CE
requirements whenever you operate the trimmer.
Hand Protection
Wear no-slip, heavy duty work gloves to improve your
grip on the Trimmer/Brush Cutter handles. Gloves also
reduce the transmission of machine vibration to your
hands.
Hearing Protection
ECHOrecommends wearinghearingprotectionwhenever
unit is used.
Proper Clothing
Wear snug fitting, durable clothing;
• Pants should have long legs, shirts with long
sleeves.
• DONOTWEARSHORTS,
• DONOTWEARTIES,SCARVES,JEWELRY.
Wear sturdy work shoes with non-skid soles;
• DONOTWEAROPENTOEDSHOES,
• DONOTOPERATEUNITBAREFOOTED.
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,becausethe minimum exposure whichmighttrigger the
ailmentisunknown.
• 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 trimmer 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.

6
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).AnextremeRSIconditionisCarpalTunnelSyndrome
(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 grasp-
ing, 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.
EQUIPMENT
WARNING DANGER
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.
• Inspect fuel lines, tank, and area around carburetor for fuel leaks. DO
NOT operate unit if leaks are found.
• Inspect shield for damage and ensure that the cut-off knife issecurely
in place. Replace if either is damaged or missing.
• Check that the cutting attachment is firmly attached and in safe
operating condition.
• Check that front loop handle and shoulder strap/ or shoulder/
waist harness are adjusted for safe, comfortable operation. See
Assembly Section for proper adjustment.
• Keep exhaust area clear of flammable debris. Avoid contact during
andimmediatelyafteroperation.

GRASS TRIMMER/BRUSH CUTTER
OPERATOR'SMANUAL 7
SAFE OPERATION
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.
PROVIDEALLOPERATORSOFTHISEQUIPMENTWITHTHE
OPERATOR'SMANUALANDINSTRUCTIONSFORSAFEOPERA-
TION.
KeepAFirmGrip
• Hold the front and rear handles with both hands with thumbs and
fingers encircling the handles
KeepASolidStance
• 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.
EMISSION CONTROL
Type 1E Models
The emission control system for this engine is EM (Engine Modifica-
tion).
EmissionControlLabellocatedonEngine
(EXAMPLEONLY,informationonlabelvariesbyFAMILY).
IMPORTANTENGINEINFORMATION
ENGINE FAMILY: TEH024UB24RA
DISPLACEMENT: 23.6 CC
THIS ENGINE MEETS U.S. EPA PH1 EMISSION
REGULATIONS FOR SMALL NON ROAD ENGINES.
REFER TO OWNER'S MANUAL FOR MAINTENANCE
SPECIFICATIONS AND ADJUSTMENTS.
DESCRIPTION
The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions,
shield installation and other assembly may be necessary.
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing
parts. Use the contents list to check for missing parts.

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Contents List
Items
1 - Power Head w/Upper Drive Shaft Assembly
1 - Lower Drive Shaft Assembly
1 - Plastic Bag (co-pack)
- 1, Operator's Manual
- 1, Safety Manual
- 1, Warranty Registration Card
- 1, Limited Warranty Statement
- 1, Plastic shield
- 1, Tool Bag
--1, 8 mm x 10 mm wrench
--1, scrench
--1, locking tool
- 1, Nylon Trimmer Head
- 1, Safety Glasses
- 1, 2-Stroke Oil Sample, 2.6 oz.
- 1, Front Handle (L.H.) Assembly
-- 1, Plastic Bag
---1, shield plate
--- 3, 5 mm x 15 mm screws (shield mounting)
CONTENTS

GRASS TRIMMER/BRUSH CUTTER
OPERATOR'SMANUAL 9
13
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1. POWERHEAD-IncludestheEngine,Clutch,FuelSystem,IgnitionSystemandRecoilStarter.
2. GRIP-Rear(righthand)handle.
3. THROTTLETRIGGERLOCKOUT-Operationofthethrottletriggerispreventedunlessthrottletriggerlockoutleveris
engaged.
4. STOPSWITCH - "SLIDE SWITCH" mounted on top of theThrottle Trigger Housing. Move switch FORWARD to RUN,
BACKtoSTOP.
5. UPPERDRIVESHAFTASSEMBLY-IncludestheRear(RightHand)GripAssembly,Front(LeftHand)HandleAssem-
bly,UpperFlexibleDriveCable,DriveShaftAssemblyCouplerandPowerHead.
6. FRONTHANDLE - The front (loop) handle must be assembled to the Upper Drive Shaft Assembly (some models) and
must be positioned for proper cutting attitude and operator comfort.
7. DRIVESHAFTCOUPLER-IncludesLocatorPinandClampingKnob.
8. NYLONCUTTINGATTACHMENT-Containsreplaceablenylontrimminglinethatadvanceswhenthetrimmerheadis
tapped against the ground while the head is turning at normal operating speed.
9. CUT-OFFKNIFE- Automatically trimslinetothecorrectlength:5in. after headistappedontheground.Iftrimmer is
operated without a cut-off knife the line will become too long, the engine will overheat and engine damage may occur.
10. PLASTICDEBRISSHIELDASSEMBLY-Includedinplasticbag(co-pack).MUSTbeinstalledonunitbeforeuse,see
Assembly Instructions. Shield assembly includes the Cut-Off Knife and Safety Decal. Mounts on the Gear Housing
Assembly just above the cutting attachment. Helps protect the operator by deflecting debris produced during the trimming
operation. This shield must be replaced with the steel shield for blade use.
11. LOWERDRIVESHAFTASSEMBLY-IncludestheDebrisShieldAssembly,GearHousingAssembly,LowerFlexible
Drive Cable, Nylon Cutting Attachment and Safety Decal.
12. THROTTLETRIGGER-Springloadedtoreturntoidlewhenreleased. Duringacceleration,presstriggergraduallyfor
best operating technique.
13. ARM REST - Provides arm rest during operation and protects arm from the hot engine.
14. SPARKPLUG-Providessparktoignitefuelmixture.
15. MUFFLER/SPARKARRESTOR-Themufflercontrolstheexhaustnoisewhilethesparkarrestorpreventshot,glowing
particles of carbon from leaving the muffler where they could possibly start a fire.
16. FUELTANK-Containsfuelandfuelfilter.
17. RECOILSTARTERHANDLE-Pullrecoilstarterhandleslowlyuntilstarterengages,thenquicklyandfirmly. When
engine starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.
18. FUELTANKCAP-Coversandsealsfueltankopening.
19. PRIMERBULB- Pumping primer bulb beforestartingenginedrawsfreshfuelfromthefueltankprimingthecarburetorfor
starting. Pump the bulb 10 times until fuel is visible in clear fuel return line.
20. AIRCLEANER-Containsreplaceablefilterelement.
21. CHOKE - The choke control lever is located on the top of the air filter case. Move lever to "COLD START" to close choke
for cold starting. Move lever to the "RUN" position to open choke.
22. SAFETYVIDEO-(Notincludedwithunit)P/N99922202540Englishversiononlyisavailableatacostof$5.00fromECHO,
INC. or any authorized ECHO dealer. The video overviews safety precautions and proper operating techniques and is
supplemental to the Safety Manual. Read and understand the Safety Manual for complete information on safe operation.