Echo Trimmer SRM 2100 2110 User Manual

Grass Trimmer/Brush Cutter  
Operator's Manual  
MODELS,  
Type 1E  
SRM - 2100, 2110  
Serial Number 982333 & Up  
WARNING  
DANGER  
Readrulesforsafeoperationandinstructionscarefully. ECHOprovidesanOperator's  
ManualandaSafetyManual. Bothmustbereadandunderstoodforproperandsafe  
operation.  
89861554132  
11/01  
X7532278902  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
3
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 WARNING  
and DANGER calls attention to an act or condition that  
can lead to serious personal injury to operator and  
bystanders.  
IMPORTANT Theenclosedmessage  
provides information necessary for the  
protection of the unit.  
The circle with the slash symbol means whatever is  
shown within the circle is prohibited.  
NOTE This enclosed message provides  
tips for use, care and maintenance of the  
unit.  
SAFETY  
DECALS  
DEBRISSHIELDDECAL  
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.  
Metal Debris  
Shield  
Plastic Debris  
Shield  
Download from Www.Somanuals.com. All Manuals Search And Download.  
4
Shaft Decal  
P/N 89016844830  
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  
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.  
Maintaina50ft.(15M)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 your  
ECHOdealerorbywriting:ECHO,INCORPORATED, 400OAK-  
WOODRD.,LAKEZURICH,IL 60047.  
INTERNATIONAL SYMBOLS  
SYMBOL  
DESCRIPTION/APPLICATION  
SYMBOL  
DESCRIPTION/APPLICATION  
SYMBOL  
DESCRIPTION/APPLICATION  
SYMBOL FORM/  
SYMBOL  
DESCRIPTION/APPLICATION  
SYMBOL FORM/  
SHAPE  
SYMBOL FORM/  
SHAPE  
SYMBOL FORM/  
SHAPE  
SHAPE  
HOT  
SURFACE  
"WARNING, SEE  
OPERATOR'S  
MANUAL  
FUEL AND OIL  
MIXTURE  
EMERGENCY STOP  
WEAR EYES, EARS  
AND HEAD  
PROTECTION  
FINGER SEVERING  
Primer Bulb  
CARBURETOR  
ADJUSTMENT  
- HIGH SPEED  
MIXTURE  
WEAR HAND AND  
FOOTPROTECTION  
DO NOT ALLOW  
FLAMES OR  
SPARKS NEAR  
FUEL.  
CARBURETOR  
ADJUSTMENT  
Ignition  
ON/OFF  
-
IDLE SPEED  
DO NOT SMOKE  
NEAR FUEL.  
SAFETY/ALERT  
CARBURETOR  
ADJUSTMENT  
Engine choke  
control.  
-
LOW SPEED  
MIXTURE  
KEEP BYSTANDERS AND HELPERS  
AWAY 15 M (50 FT.).  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
5
SAFETY INSTRUCTIONS  
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 and or  
safety precautions are not followed. Proper clothing and safety gear must be worn when operating a trimmer.  
Physical Condition --  
Your judgment and physical dexterity may not be good:  
Hearing Protection --  
ECHO recommends wearing hearing protection whenever  
unit is used.  
• if you are tired or sick,  
• if you are taking medication,  
• if you have taken alcohol or drugs.  
Proper Clothing --  
Wear snug fitting, durable clothing;  
• Pants should have long legs, shirts with long sleeves.  
• DONOTWEARSHORTS,  
Operate unit only if you are physically and mentally well.  
• DONOTWEARTIES,SCARVES,JEWELRY.  
Eye Protection --  
Wear eye protection that meets ANSI Z87.1 or CE  
requirements whenever you operate the trimmer.  
Wear sturdy work shoes with non-skid soles;  
• DONOTWEAROPENTOEDSHOES,  
• DONOTOPERATEUNITBAREFOOTED.  
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.  
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 exer-  
cises 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.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
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 move-  
ment.  
• 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  
combination. Read and comply with all safety instructions listed in this manual and safety manual. ECHO, INC. will  
not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and  
approved by ECHO.  
• 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 is  
securely 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 optional shoulder/waist harness  
are adjusted for safe, comfortable operation. See Assembly for proper  
adjustment.  
• Keep exhaust area clear of flammable debris. Avoid contact during  
andimmediatelyafteroperation.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
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.  
• Provide all operators of this equipment with the Operator's Manual  
and instructions for safe operation.  
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  
IMPORTANTENGINEINFORMATION  
ENGINEFAMILY: TEH021UB24RA  
DISPLACEMENT: 21.2 CC  
THISENGINEMEETSU.S.EPA PHASEI  
EMISSIONREGULATIONSFORSMALLNON  
ROADENGINE. REFERTOOWNER'SMANUAL  
FORMAINTENANCESPECIFICATIONSAND  
ADJUSTMENTS.  
The emission control system for these engines are EM (Engine Modifi-  
cation).  
An Emission Control Label is located on the engine. (This is an  
EXAMPLEONLY,informationonlabelvariesbyengineFAMILY).  
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.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
8
CONTENTS  
CONTENTS LIST  
MODELS  
ITEMS  
2110 1E  
2100 1E  
1 - POWERHEAD  
1 - DRIVESHAFTASSEMBLY  
1 - PLASTICBAG(CO-PACK)  
-1, OPERATOR'SMANUAL  
- 1, SAFETY MANUAL  
-1,WARRANTYREGISTRATIONCARD  
-1,LIMITEDWARRANTYSTATEMENT  
-1, PLASTICSHIELD  
-1,PLASTICSHIELDHARDWARE  
--1,SHIELDPLATE  
--3,5MMX15MMSCREWS(SHIELDMTG.)  
- 1, ASSEMBLY TOOLS  
--1,8MMX10MMWRENCH  
--1,SCRENCH  
--1,LOCKINGTOOL  
-1,NYLONTRIMMERHEAD  
- 1, SAFETY GLASSES  
- 1, 2-STROKE OIL SAMPLE, 2.6 OZ.  
-1,SHOULDERHARNESSW/HIPPAD  
-1,SHOULDERHARNESSW/OHIPPAD  
-- 1,HARNESSCLAMP  
-1,U-HANDLEHARDWARE  
--1,METALSHIELD  
--1,SHIELDBRACKET  
-1,METALSHIELDHARDWARE  
--3, 5MMX15MMSCREWS(SHIELDMOUNT)  
--2,5MMX8MMSCREWS(BRACKETTOSHIELD)  
-- 4, 5MM NUTS  
-- 4, 5MM LOCKWASHERS  
--1, PLASTIC BAG  
---1, 8MM X 55MM SCREW (HANDLE MGT.)  
---1,WASHER,CIRCULAR  
---2, CABLE CLIPS  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
9
11  
12  
19  
18  
13  
25  
SAFETY  
VIDEO  
17  
14  
15  
16  
5
7
6
8
4
3
9
2
1
10  
4
21  
20  
22  
23  
24  
Download from Www.Somanuals.com. All Manuals Search And Download.  
10  
1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.  
2. GRIP - Rear (right hand) handle.  
3. THROTTLETRIGGERLOCKOUT-Thislevermustbehelddownduringstarting.Operationofthethrottletriggeris  
prevented unless throttle trigger lockout lever is depressed.  
4. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to  
RUN,BACKtoSTOP.  
5. FRONT HANDLE - The front handle is factory assembled to the Drive Shaft assembly (some models) but must be re-  
positioned for proper cutting attitude and operator comfort.  
6. DRIVESHAFTASSEMBLY-IncludestheRear(righthand)Handleassembly, GearHousingassembly, Front, (left  
hand) Handle assembly, Flexible Drive Cable and Safety Decal.  
7. NYLONCUTTINGATTACHMENT-Containsreplaceablenylontrimminglinethatadvanceswhenthetrimmerhead  
is tapped against the ground while the head is turning at normal operating speed.  
8. CUT-OFF KNIFE - Automatically trims line to the correct length: 5" - after head is tapped on the ground. If trimmer is  
operated without a cut-off knife the line will become too long, the engine will overheat and engine damage may occur.  
9. 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.  
10. THROTTLETRIGGER-Springloadedtoreturntoidlewhenreleased. Duringacceleration, presstriggergradually  
for best operating technique.  
11. ARM REST - Provides arm rest during operation and protects arm from the hot engine.  
12. SPARKPLUG-Providessparktoignitefuelmixture.  
13. SPARKARRESTOR-CATALYTICMUFFLER/MUFFLER-Themufflerorcatalyticmufflercontrolsexhaustnoise  
and emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep  
exhaust area clear of flammable debris.  
14. FUELTANK-Containsfuelandfuelfilter.  
15. RECOILSTARTERHANDLE-Pullrecoilhandleslowlyuntilstarterengages,thenquicklyandfirmly.Whenengine  
starts, return handle slowly. DO NOT let handle snap back or damage to unit will occur.  
16. FUEL TANK CAP - Covers and seals fuel tank opening.  
17. PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank priming the carbure-  
tor 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.  
18. AIRCLEANER-Containsreplaceablefilterelement.  
19. 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 "RUN" position to open choke.  
20. HIP PAD - (SRM-2110) Used to protect hip/leg and clothing when using U-handle equipped unit.  
21. SHOULDER HARNESS- Optional SRM-2100, Standard on SRM-2110. An adjustable strap that suspends the unit  
from the operator. Using the strap reduces operator fatigue.  
22. METALBLADESHIELD-(SRM-2110)Requiredwhenunitisequippedwithblades. Donotoperateunitwithout  
shield.  
23. BLADE - Circular blade for grass, weed or brush cutting applications. Harness, metal shield and U-handles are  
required for blade operation.  
24. U-HANDLE-(SRM-2110)Requiredformetalbladeoperation.  
25. SAFETYVIDEO(Notincludedwithunit)-99922202540Englishversiononly)isavailableatacostof$5.00from  
ECHO, INC. or any authorized ECHO dealer. The video overviews safety precautions and proper operating tech-  
niques and is supplemental to the Safety Manual. Read and understand the Safety Manual for complete information  
on safe operation.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
11  
SPECIFICATIONS  
MODEL  
SRM-2100  
SRM-2110  
Length  
1500 mm (59 in.)  
Width  
330 mm (13.0 in.)  
300 mm (11.8 in.)  
5.2 kg (11.4 lb.)  
600 mm (23.6 in.)  
360 mm (14.2 in.)  
5.8 kg (12.7 lb.)  
Height  
Weight (dry) w/cutter head  
Engine Type  
Air cooled, two-stroke, single cylinder gasoline engine  
Bore  
32.2 mm (1.268 in.)  
26.0 mm (1.02 in.)  
Stroke  
Displacement  
Exhaust  
21.2 cc (1.29 cu. in.)  
Spark Arrestor Muffler  
Carburetor  
Ignition System  
Spark Plug  
Fuel  
Zama diaphragm model C1U w/primer  
Flywheel magneto, capacitor discharge ignition type  
NGK BPM-7A Gap 0.65 mm (0.026 in.)  
Mixed (Gasoline and Two-stroke Oil)  
Fuel/Oil Ratio  
50:1 ECHO High Performance, two-stroke air cooled engine oil  
89 Octane unleaded. DO NOT use fuel containing methyl alcohol,  
more than 10% ethyl alcohol or 15% MTBE.  
Gasoline  
Oil  
50:1 ECHO High Performance, two-stroke air cooled engine oil  
0.4 lit. (14.0 US fl. oz.)  
Fuel Tank Capacity  
Recoil Starter System  
Clutch  
Automatic Recoil Starter  
Centrifugal Type  
Drive Shaft  
1/4" Flex Shaft  
Counter-Clockwise viewed from top  
Nylon line head (2-line) with .095 Crossfire™ Line capacity 6m (20 ft.)  
Rotating Direction  
Cutter Head  
Handle*  
Front - Loop and Right Rear Handle w/rubber grips  
Standard on SRM-2110  
U-Handle  
Shoulder Harness  
Idle Speed RPM  
Optional  
Standard  
2800 - 3200  
9500 - 11000  
Wide Open Throttle Speed (W.O.T.) RPM  
* Install and use U-Handle when operating any model with blade.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
12  
ASSEMBLY  
WARNING  
DANGER  
Use only ECHO approved attachments for these models. Serious injury may result from the use of non approved  
attachment combinations. Read and comply with all safety instructions listed in this manual and attachment manual.  
ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not  
been tested and approved by ECHO for use with these units.  
PLASTIC SHIELD INSTALLATION  
(forNylonLineOperation)  
Tools Required: Screwdriver.  
Parts Required: PlasticShield,ShieldPlate,three(3)5mmx15mm  
screws.  
NOTE  
The plastic shield is for use with the Nylon Line Head only.  
Install Metal Shield when using plastic or metal blades.  
1. Remove plastic threaded shaft sleeve and adapter plate (C) from  
PTO shaft (A).  
2. Place the shield on the bottom of the bearing housing flange.  
3. Place shield plate (B) on shield, align holes. Install three (3) screws  
A
from bottom through plate and shield into gear case.  
B
C
4. Assemble adapter plate (C) onto PTO shaft.  
NYLON LINE HEAD INSTALLATION  
Tools Required: Head Locking Tool  
Parts Required: NylonLineHead.  
D
1. Be sure adapter plate (C) remains on PTO shaft.  
2. Align locking hole in upper plate with notch in edge of gear  
housing and insert head locking tool (D).  
3. Thread line head onto shaft by turning it counter clockwise until  
head is tight against adapter plate (C).  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
13  
BLADE INSTALLATION  
AllModels.  
IMPORTANT  
If non-standard monofilament head, METAL/PLASTIC blade or cultivator etc. is used, THE CARBURETOR MUST  
BE RE-SET or serious engine damage may occur. See "Carburetor Adjustment" page 27 and "Specifications" page  
11 of this manual.  
WARNING  
DANGER  
You must install a U-Handle Kit and Blade Conversion kit before operating this unit using metal blades, otherwise  
serious injury may result.  
Install Metal Shield  
Tools Required: 8mmx10mmOpenEndWrench, Screwdriver, Scrench,  
LockingTool.  
NYLONHEADUPPERPLATE  
PartsRequired: MetalShield, Bracket, 3-5mmx15mmscrewsw/  
captivated flat and lockwasher (metal shield to gear housing), 2- 5mm x  
8mm screws, 4- 5mm nuts, 4- 5mm lockwashers (bracket to shield and  
bracket to gear housing).  
D
1. If necessary, remove nylon line head and plastic shield.  
2. Loosely attach bracket (A) to shield (B) and attach to bottom of  
gear housing (C) with screws and nuts provided. Tighten all  
BLADEUPPERPLATE  
attaching hardware.  
Install Blade  
Tools Required: Locking Tool, scrench.  
Parts Required: UpperPlatew/20mmpilot,LowerPlate,10mmNutw/  
LHthreads,2mmx25mmSplitPin(cotterpin).  
3. Install upper plate (D) on splined PTO shaft. Blade installation  
requires use of Upper Plate (D) with 20mm pilot. Upper plate  
with 37mm pilot of the SRM-2100 should be retained for use with  
nylon line head.  
4. Place Blade (E) over upper plate pilot, install the Lower Plate (F)  
and10mmLHnut(G).Tri-CutBlade(H)isinstalledwithGlide  
Cup (J).  
5. Insert Locking Tool (K) through hole in upper plate and notch in  
gear housing to prevent splined PTO shaft from turning. Tighten  
nut and secure with Split Pin (L).  
Download from Www.Somanuals.com. All Manuals Search And Download.  
14  
Install Harness Clamp  
NOTE  
Some models require installation of Harness Clamp. If your unit  
does not have a clamp, follow these directions.  
Tools Required: Screwdriver,8mmx10mmOpenEndWrench.  
Parts Required: Clamp,4mmx18mmHexagonHead,Bolt,Link.  
6. Remove shield and gear housing as an assembly.  
a. Loosen two (2) screws that clamp the gear housing to the  
drive shaft housing.  
b. Remove locating screw found at the top of the gear housing.  
Pull shield and gear housing assembly from the drive shaft  
assembly.  
IMPORTANT  
Prevent flexible drive cable from sliding from drive shaft housing.  
If cable does slide free, clean dirt from cable and lubricate with  
lithium based grease prior to re-assembly.  
7. Remove front handle.  
a. Remove four (4) screws and nuts and handle support from  
front handle.  
b. Remove front handle.  
8. Installclamp.  
- Slightly spread clamp and slide up shaft.  
- Install single link using spacer, DO NOT tighten at this time.  
9. Install gearbox, shield and front handle.  
10. Balanceunit.  
a. Put on harness and attach unit to harness.  
b. Slide clamp up or down until unit balances with head  
approximately 2" - 3" from the ground.  
c. Tighten clamp screw.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
15  
THROTTLE LINKAGE AND IGNITION LEADS  
Tools Required: 8mmx10mmopenendwrench(allmodels),3mmAllen  
Wrench.  
1. Close choke and remove air filter cover.  
2. Loosen nut (A) and place threaded end of throttle linkage in  
bracket slot. Finger tighten nut (A).  
3. Place inner cable in slot of carburetor swivel (B) and tighten  
nut (A).  
4. Check throttle for freedom of movement and make sure it returns  
to idle position. If the throttle linkage does not allow the carbure-  
tor throttle plate (C) to return to idle against idle screw (D),loosen  
linkage nuts; turn throttle linkage nut (A) counter clock wise  
until throttle plate (C) just rests against idle screw (D). Hold  
linkage nut (A) from turning and tighten other linkage nut.  
5. Connect ignition leads (C). SRM-2100 has one connector  
terminal pair and one ring terminal which attaches under fan  
terminalscrew(C).  
6. Install air filter and cover.  
FRONT HANDLE INSTALLATION  
Tools Required: Screwdriver.  
Parts Required: FrontHandle,HandleSupport,Four(4)5mmx35mm  
screws with captivated washers, four (4) 5mm nuts.  
1. Position front handle for comfortable operation and secure screws.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
16  
U-HANDLE INSTALLATION  
Tools Required: 8mmx10mmOpenEndWrench,SlottedScrewdriver,  
(3mmHexWrenchSRM-2100only.)  
Parts Required: U-HandleKit.(SRM-2100)P/N35130454130  
NOTE  
On model SRM-2110 use Steps 1, 10, 11, and 13 - 17 only.  
1. Close choke and remove air filter cover.  
2. Disconnect ignition stop leads (C).  
3. Removeinnerthrottlelinkagefromcarburetorswivel(B).  
4. Loosen nut (A) and remove throttle linkage from bracket.  
F
D
5. Loosen two (2) bolts (D) and pull drive shaft assembly from clutch  
case.  
G
6. Loosen two (2) rear handle screws (E) and pull rear handle (F) from  
the drive shaft assembly.  
E
7. Loosen four (4) screws and remove front handle (G).  
400 mm (15-3/4 in.)  
8. PositionLowerU-HandleBracket(H)400mm(15-3/4in.)from  
engine end of drive shaft. Secure with three (3) 5mm x 30mm  
bolts.  
ENGINE  
END  
9. Install harness hook (included with Blade Conversion Kit) for  
blade use. Position 220 mm (8-5/8 in.) from engine end of drive  
shaft assembly. DO NOT tighten at this time.  
220 mm  
(8-21/32 in.)  
H
J
10. Install upper U-Handle and bracket on lower bracket and secure  
withone(1)8mmx55mmbolt(J)andlargecircularwasher.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
17  
11. Secure throttle linkage and leads to drive shaft with cable clips  
supplied.  
12. Install power head and align gear box, power head and U-handles.  
Tighten all screws.  
13. Place throttle linkage in slot in bracket with one nut (A) and  
washer on each side of bracket. Finger tighten both nuts (A).  
14. Attach inner throttle cable to swivel (B). Check throttle for freedom  
of movement and that wide open throttle / low idle extremes are  
adjusted properly. If adjustment cannot be achieved by adjusting  
nuts (A), consult with your Echo Dealer for correct adjustment  
procedure.  
15. Attach ignition leads (C).  
16. Install air filter and cover.  
17. Balanceunit.  
a. Put on harness and attach unit to harness.  
b. Slide clamp (K) up or down drive shaft housing until unit  
balances with cutting attachment approximately 2 - 3 in. from  
ground.  
c. Tighten harness clamp screw.  
K
Download from Www.Somanuals.com. All Manuals Search And Download.  
18  
PRE - OPERATION  
OPERATION WITH BLADES  
Preparing the Trimmer/Brush Cutter for Blade Use  
WARNING  
DANGER  
Blade use DEMANDS specific Brush Cutter configuration. Operation without specified shield and harness can  
result in serious personal injury.  
PlasticandNylonBladesRequire"BladeConversionKit,"P/N99922200415  
(metal shield, barrier bar, and shoulder harness).  
Steel/MetalBladesRequire"BladeConversionKit"PLUSa"U-HandleKit."P/N35130454130  
orCombinationBladeKitand"U-HandleKit"P/N99944200451.  
Choosing the Correct Blade  
WARNING  
DANGER  
The type of Blade used MUST be matched to the type and size of material cut. An improper or dull blade can  
cause serious personal injury. Blades MUST be sharp. Dull blades increase the chance of kick out and injury  
to yourself and bystanders.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
19  
Plastic/Nylon Blades may be used where ever the nylon line head  
is used. DO NOT use this blade for heavy weeds or brush!  
8 Tooth Weed/Grass Blade P/N 69600120331 is designed for grass,  
garden debris and thick weeds. DO NOT use this blade for brush or  
heavy woody growth, 3/4" in. (19 mm) diameter or larger.  
Brush/Clearing Blade P/N 69500120331 is designed for cutting brush  
and woody growth up to 76 mm (3" in.) diameter.  
Use Shoulder/Waist Harness P/N 99944200200 Use of the Shoulder/  
Waist Harness is recommended for ALL Trimmer/Brush Cutter use, not  
just Blade operation. The Shoulder/Waist Harness when used in a  
trimming operation with nylon line head suspends the trimmer from the  
operator's shoulder and reduces operator fatigue.  
During blade operation, the same fatigue reduction is achieved. Safety  
to the operator is also enhanced by preventing blade contact with the  
operators hands and feet by restricting trimmer movement.  
NOTE  
In case of Emergency, pull up on the Quick Release Collar to  
disconnect the trimmer from the harness.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
20  
FUEL  
Fuel Requirements  
Gasoline - Use 89 Octane [R + M ] gasoline or gasohol known to be good  
quality. Gasohol may contain up to 10% Ethyl (grain) alcohol or 15%  
MTBE (methyl tertiary-butyl ether). Gasohol containing methyl (wood)  
alcohol is NOT approved.  
2
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. Contact your ECHO dealer for  
orderinginformation.  
TwoStrokeOil-Atwo-strokeengineoilmeetingISO-L-EGDStandard  
(ISO/CD13738), mustbeused. EchobrandPremium50:1oilmeetsthis  
standard. Engine problems due to inadequate lubrication caused by  
failuretouseanISO-L-EGDapprovedoil, suchasEchoPremium50:1  
Two-stroke Oil, 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 EPA Phase II Emission Defect  
WarrantyExplanation.)  
After refueling;  
• Wipe any spilled fuel from the unit.  
• Move at least 3 m (10 ft.) from refueling  
location before starting the engine.  
IMPORTANT  
EchoPremium2-StrokeOilmaybemixedat50:1ratioforapplica-  
tion in all Echo engines sold in the past regardless of ratio speci-  
fied in those manuals.  
After use;  
• DO NOT store a unit with fuel in its tank.  
Leaks can occur. Return unused fuel to an  
approved fuel storage container.  
Mixing Instructions  
1. Fill an approved fuel container with half of the required amount of  
gasoline.  
2. Add 2-stroke oil to gasoline.  
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, air tight container. Store in a well  
ventilated, unoccupied building, away from  
sparks and flames. Do not store fuel longer  
than 30 days.  
3. Close container and shake to mix oil with gasoline.  
4. Addremaininggasolineandremix.  
5. Install fuel container cap and wipe any spilled fuel from container  
and surrounding area.  
Handling Fuel  
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.  
WARNING  
DANGER  
FuelisVERYflammable.Useextremecarewhenmixing,storingor  
handling, or serious personal injury may result.  
• Use an approved fuel container.  
• DONOTsmokenearfuel.  
IMPORTANT  
• DO NOT allow flames or sparks near fuel.  
• Fuel tanks/cans may be under pressure. Always loosen fuel  
caps slowly allowing pressure to equalize.  
Stored two-stroke fuel may separate.  
ALWAYS shake fuel container  
thoroughly before each use.  
• NEVER refuel a unit when the engine is HOT!  
• NEVER refuel a unit with the engine running.  
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks  
outdoors over bare ground.  
• Securely tighten fuel cap after refueling.  
• Inspect for fuel leakage. If fuel leakage is found, do not start or  
operate unit until leakage is repaired.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
21  
OPERATION  
STARTING COLD ENGINE  
WARNING  
DANGER  
The cutting attachment should not move at idle. If cutting attach-  
ment moves, readjust carburetor according to "Carburetor Adjust-  
ment" instructions in this manual or see your ECHO Dealer,  
otherwise serious personal injury may result.  
A
1 . Stop Switch - Start/Run.  
Move stop switch button (A) forward away from the STOP  
position.  
2. Choke - Cold Start.  
Move choke (B) to “Cold Start” Position.  
3. PrimerBulb-Purge.  
Pump primer bulb (C) until fuel is visible and flows freely in the  
clear fuel tank return line. Pump bulb an additional 4 or 5 times.  
B
WARNING  
DANGER  
Inspect starting area for hazards such as rocks, glass, debris etc.  
which could be contacted by the cutting attachment when starting.  
Keep helpers and bystanders at least 15 m (50 ft.) from starting  
area, otherwise serious personal injury may result.  
C
4. Lay the uniton a flat clear area. Firmly grasp right hand grip and  
throttle trigger lockout with left hand and fully depress throttle  
trigger to wide open position. Rapidly pull recoil starter handle/  
rope(D)untilenginefires(ormaximumfive[5]pulls).  
5. After engine fires (or five [5] pulls), move choke lever back to  
“Run” position. Hold throttle trigger and throttle trigger lockout  
fully depressed and pull recoil starter handle/rope until engine  
starts and runs. Release throttle trigger and allow unit to warm up  
at idle for several minutes.  
D
NOTE  
If engine does not start with choke in “Run” position after 5 pulls,  
repeat instructions.  
6. After engine warm up, gradually depress throttle trigger to increase  
engine RPM to operating speed.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
22  
STARTING WARM ENGINE  
The starting procedure is the same as Cold Start except DO NOT close  
the choke.  
WARNING  
DANGER  
The cutting attachment should not move at idle. If cutting attach-  
ment moves, readjust carburetor according to "Carburetor Adjust-  
ment" instructions in this manual or see your ECHO Dealer,  
otherwise serious personal injury may result.  
A
1. Stop Switch - Start/Run. Move Stop Switch button (A) forward  
away from the STOP position.  
2. Start - Pull Rope. Lay the pruner on a flat clear area and pull  
the recoil starter handle (D) until the engine fires.  
NOTE  
If engine does not start after 5 pulls, use Cold Start Procedure.  
D
STOPPING ENGINE  
1. Release Throttle. Allow engine to return to idle before shutting  
engine off.  
A
2. Stop Switch - Stop. Move stop switch button (A) backward 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 trimmer  
again.  
NOTE  
Refer to the attachment Operator's Manual and Safety Manual (if  
included) for proper and safe operating techniques.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
23  
MAINTENANCE  
Your ECHO unit is designed to provide many hours of trouble-free service. Regular scheduled maintenance will help your  
unit 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 a task is not listed, see your ECHO Dealer for repairs.  
SKILL LEVELS  
Level 1 =  
Level 2 =  
Easy to do. Most required tools come with unit.  
Moderate difficulty. Some specialized tools may be required.  
Level 3 = Experiencerequired.Specializedtoolsarerequired.ECHOrecommends  
that the unit be returned to your ECHO dealer for service.  
ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier. Below each task heading  
are listed the various part numbers required for that task. See your ECHO dealer for these parts.  
MAINTENANCE INTERVALS  
3
6
REQ'D  
SKILL  
LEVEL  
DAILY OR  
BEFORE  
USE  
YEARLY  
600  
HOURS  
COMPONENT/  
SYSTEM  
MAINTENANCE  
PROCEDURE  
EVERY  
REFUEL  
MONTHS  
OR 90  
HOURS  
MONTHS  
OR 270  
HOURS  
Recommended Echo Dealer Maintenance Procedures  
Inspect/Clean/Decarbon  
Do-It-Yourself Maintenance Procedures  
Cylinder Exhaust Port  
3
I / C  
R*  
Air Filter  
Inspect/Clean/Replace  
Inspect/Clean  
Inspect/Replace  
Inspect/Replace  
Inspect/Clean  
Inspect/Replace  
Grease  
1
2
1
1
2
2
2
I / C  
I / C  
Choke  
Fuel Filter  
I
I
I / R *  
Fuel System, leaks  
Cooling System  
Muffler Spark Arrestor  
I *  
I
I / C  
I / R *  
I (1)  
Drive Shaft (Flex  
Cable Models)  
Gear Housing  
Grease  
2
1
2
1
I (2)  
I / C  
Recoil Starter Rope  
Spark Plug  
Inspect/Clean  
Inspect/Clean  
Inspect/Tighten/Replace  
I / C *  
I / R *  
R *  
Screws/Nuts/Bolts  
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) Apply ECHO® LUBETM every 25 hours of use.  
(2) Apply ECHO® LUBETM every 50 hours of use.  
* All recommendations to replace are based on the finding of damage or wear during inspection..  
Download from Www.Somanuals.com. All Manuals Search And Download.  
24  
AIR FILTER  
Level1.  
Tools required: Cleaning Brush  
Partsrequired:90008REPOWERAIR&FUELFILTERKIT.  
1. Close choke (Cold Start Position). This prevents dirt from entering  
the carburetor throat when the air filter is removed. Brush accumu-  
lated 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.  
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.  
NOTE  
Carburetor adjustment may be needed after air filter cleaning/  
replacement.  
FUEL FILTER  
Level1.  
Tools required: 200-250 mm (8 -10 in.) length of wire with one end bent  
into a hook, Clean rag, funnel, and an approved fuel container  
Partsrequired: 90008REPOWERAIR&FUELFILTERKIT.  
WARNING  
DANGER  
FuelisVERYflammable.Useextremecarewhenmixing,storingor  
handling, or serious personal injury may result.  
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.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
25  
SPARK PLUG  
Level2.  
Tools required: Scrench (combination socket wrench and screw driver  
supplied with unit), Feeler gauge (preferably a wire gauge), Soft metal  
brush  
Parts Required: Spark Plug NGK BPM-7A  
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 145 - 155 kg/cm (125 - 135 in. lb.).  
0.65 MM  
(0.026 IN.)  
COOLING SYSTEMS CLEANING  
Level2.  
Tools required: Cross-head screwdriver, 3 mm hex wrench, pointed  
wood stick  
Parts Required: None if you are careful.  
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.  
1. Remove spark plug lead and throttle linkage end from the carbure-  
torswivel.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
26  
2. Remove the four screws that retain the engine cover (A). Two at  
A
the top of the starter, two on either side of the front. Lift the cover  
from the engine and lay to the front of the trimmer.  
NOTE  
The throttle linkage remains assembled to the cover and the spark  
plug lead and grommet remain installed.  
3. Use the wooden stick or brush to remove dirt form cylinder fins.  
4. Remove grass and leaves from the grid between the recoil starter  
and fuel tank.  
5. Assemble components in reverse order.  
NOTE  
When installing the cover, be certain the tab of the metal deflector  
shield is in the slot of the engine cover.  
EXHAUST SYSTEM  
Spark Arrestor Screen  
Level2.  
Tools required: Cross-head screwdriver, soft metal brush, wooden  
carbon scraper.  
Parts Required: ScreenP/N14586240630,GasketLidP/N14586642031  
1. Remove engine cover (A). See “Cleaning Cooling System” pages  
25 & 26 for step by step instructions.  
2. Place piston at Top Dead Center (TDC) to prevent carbon/dirt from  
entering cylinder.  
3. Remove spark arrestor screen cover (B), screen holder (C), gasket  
(D) and screen (E) from muffler body.  
4. Clean carbon deposits from screen and muffler components.  
5. Replace screen if it is cracked, plugged or has holes burned  
through.  
6. Assemble components in reverse order.  
NOTE  
When installing the engine cover, be certain the tab of the metal  
deflector shield is in the slot of the engine cover.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
27  
CARBURETOR ADJUSTMENT  
Emission Models  
Level2.  
Tools required: Slotted Screwdriver w/2 mm blade width, Tachometer  
(ECHOP/N99051130017)  
Parts required: None.  
NOTE  
Every unit is run at the factory and the carburetor is set in  
compliancewithEPAPhase1andCaliforniaEmissionRegula-  
tions. In addition, the carburetor is equipped with HI and LO  
needle adjustment limiters that prevent settings outside accept-  
ablelimits.  
1. Before adjusting the carburetor, clean or replace the air filter and  
spark arrester screen.  
2. Trimmer line must be extended to the cut-off knife.  
3. Start engine and run for several minutes to reach operating  
temperature.  
4. Stop engine. Turn HI speed needle (A) CCW (counter clockwise)  
to stop. Turn LO speed needle (B) midway between full CCW and  
CW (clockwise) stops.  
5. Idle Speed Adjustment.  
Start engine and turn “idle” speed adjustment screw (C) CW until  
the cutting attachment begins to turn, then turn the screw CCW  
until cutting attachment stops turning. Turn screw CCW an  
additional 1/4 turn.  
5. Accelerate to full throttle for 2-3 seconds to clear excess fuel from  
engine then return to idle. Accelerate to full throttle to check for  
smooth transition from idle to full throttle. If engine hesitates, turn  
LO needle (B) CCW an additional 1/8 turn and repeat acceleration.  
Continue adjusting until smooth acceleration results.  
6. Check HI speed RPM at W.O.T. (Wide Open Throttle). HI speed  
RPM should be set to specifications found on page 11 "Specifica-  
tions" of this manual.  
7. Check idle speed and reset if necessary. If a tachometer is avail-  
able, idle speed should be set to the specification found on page  
11 "Specifications" of this manual.  
WARNING  
DANGER  
When carburetor adjustment is completed, the cutting attachment  
should not rotate at idle, otherwise serious personal injury may  
result.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
28  
LUBRICATION  
Level1.  
Tools required: 8 mm Open End Wrench, Cross Head Screwdriver,  
Cleanrag  
PartsRequired: ECHO® LUBETM 8oz.(P/N91014)orLithiumBase  
Grease.  
Gear Housing  
1. Clean all loose debris from gear box.  
2. Remove plug (A) and check level of grease.  
3. Add grease if necessary, DO NOT over fill.  
A
Drive Shaft  
C
1. Loosen two (2) screws (B) and remove center locating screw (C).  
Pull gear box and shield from drive shaft housing.  
B
2. Pull flexible cable from the drive shaft housing, wipe clean and  
recoat with a thin coating of [15 ml (1/2 oz.)] of high temperature  
automotive grease.  
3. Slide the flexible cable back in the drive housing. DO NOT get  
dirt on the flex cable.  
4. Install the gear housing and shield assembly.  
NYLON LINE REPLACEMENT  
Level1.  
Tools required: Head locking tool (if head is to be removed)  
PartsRequired: ECHO0.095"NylonTrimmerLine6m(20ft.)long.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
29  
1. Shut engine off. Lay unit on the ground with head assembly up.  
B
2. Hold drum (A) and turn spool (B) CW (clockwise) until it stops.  
Pull spool from drum. DO NOT push in on spool when turning.  
3. Use one piece of new nylon line (C) 6m (20 ft.) long and thread  
through the molded loop (D) on the spool. Pull line tight and  
adjust so one end is 15 cm (6 in.) longer than the other.  
4. Hold the spool, opening toward you. Place index finger between  
the two strands and wind line, tightly and evenly, in direction of  
arrowmarked"CC".  
5. Stopwhenapproximately15-20cm(6-8in.)line(C)remainsand  
place ends of line in notches (E) in spool (B).  
6. Feed ends of line through housing eyelets (F) and place spool (B)  
over drive (G). Align pegs (H) on drive with notches in spool and  
push spool into drum.  
7. Pull on both lines until they come free from notches (E) in spool.  
8. Hold drum (A) firmly and turn spool (B) CCW (counterclockwise)  
until it stops. DO NOT push in on spool when turning.  
B
9. Pull both lines out and trim to cut-off knife length.  
A
Download from Www.Somanuals.com. All Manuals Search And Download.  
30  
SHARPENING METAL BLADES  
Three styles of metal blades are approved for use on the ECHO Brush  
Cutter. The 8-tooth blade can be sharpened during normal mainte-  
nance. The clearing blade and 80 tooth blade require professional  
service.  
Before sharpening, CLOSELY inspect blade for cracks (look at the  
bottom of each tooth and the center mounting hole closely), missing  
teeth and bending. If ANY of these problems are discovered, replace  
the blade.  
When sharpening a blade, always remove the same amount of materials  
from each tooth to maintain balance. A blade that is not balanced will  
cause unsafe handling due to vibration and can result in blade failure.  
8-tooth Blade  
Tools required: Flat file (preferred), Electric grinder if special care is  
used, Round (rat tail) file for gullet (radius).  
1. File each tooth at a 30 degree angle a specific number of times,  
eg. 4 strokes per tooth. Work your way around the blade until  
all teeth are sharp.  
2. DO NOT file the 'gullet' (radius) of the tooth with the flat file.  
The radius must remain. A sharp corner will lead to a crack and  
bladefailure.  
IMPORTANT  
If an electric grinder is used, use care not to overheat teeth, do not  
allow tips/tooth to glow red or turn blue. DO NOT place blade in  
cooling water. This will change the temper of the blade and could  
result in blade failure.  
3. After sharpening teeth, check each tooth radius for evidence of a  
square (sharp) corner. Use the round (rat tail) file to renew the  
radius.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
31  
TROUBLESHOOTING  
ENGINE PROBLEM TROUBLESHOOTING CHART  
Problem  
Check  
Status  
Cause  
Remedy  
No fuel at carburetor Fuel strainer clogged  
Fuel line clogged  
Clean or replace  
Clean or replace  
See your Echo dealer  
Fuel at carburetor  
Carburetor  
No fuel at cylinder  
Carburetor  
See your Echo dealer  
Muffler wet with fuel Fuel Mixture too rich  
Open choke  
Fuel at cylinder  
Engine  
cranks -  
starts hard/  
doesn't  
Clean/replace air filter  
Adjust carburetor  
See your Echo dealer  
No spark  
No spark  
Stop switch off  
Electrical problem  
Interlock switch  
Turn switch to ON  
See your Echo dealer  
See your Echo dealer  
start  
Spark at end  
of plug wire  
Spark gap incorrect  
Covered with carbon  
Fouled with fuel  
Adjust to .65mm (0.026 in.)  
Clean or replace  
Clean or replace  
Spark at plug  
Plug defective  
Replace plug  
Air filter dirty  
Fuel filter dirty  
Fuel vent plugged  
Plug dirty/worn  
Normal wear  
Clean or replace  
Air filter  
Fuel filter  
Fuel vent  
Contaminants/residues in Replace  
fuel  
Contaminants/residues in Clean or replace  
fuel  
Engine runs,  
but dies or  
does not  
accelerate  
properly  
Normal wear  
Clean and adjust or replace  
Spark Plug  
Carburetor  
Improper adjustment Vibration  
Adjust  
Clean  
Cooling system  
dirty/plugged  
Extended operation in  
dirty/dusty locations  
Cooling System  
Spark arrestor  
screen plugged  
Normal wear  
Replace  
Spark Arrestor  
Screen  
Engine does  
not  
N/A  
Internal engine problem  
See your Echo dealer  
N/A  
crank  
WARNING  
DANGER  
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open  
spark plug opening, otherwise serious personal injury may result.  
Download from Www.Somanuals.com. All Manuals Search And Download.  
32  
STORAGE  
Long Term Storage (over 30 days)  
WARNING  
DANGER  
During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear  
of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may  
result  
.
Do not store your unit for a prolonged period of time (30 days or longer) without performing protective storage  
maintenance which includes the following:  
1. Store unit in a dry, dust free place, out of the reach of children.  
WARNING  
DANGER  
Do not store in enclosure where fuel fumes may accumulate or reach an open flame or spark.  
2. Place the stop switch in the "OFF" position.  
7. Remove the spark plug and pour 7 cc (1/4 oz.) (1/2  
tablespoon) of fresh, clean, two-stroke engine oil into  
the cylinder through the spark plug hole.  
3. Remove accumulation of grease, oil, dirt, and debris  
fromexteriorofunit.  
A. Place a clean cloth over the spark plug hole.  
4. Perform all periodic lubrication and services that are  
required.  
B.  
Pull the recoil starter handle 2-3 times to  
distribute the oil inside the engine.  
Observe the piston location through the spark  
plug hole. Pull the recoil starter handle slowly  
until the piston reaches the top of its travel and  
leave it there.  
C.  
5. Tighten all the screws and nuts.  
6. Drain the fuel tank completely and pull the recoil  
starter handle several times to remove fuel from the  
carburetor.  
8. Install the spark plug (do not connect ignition cable).  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
33  
NOTES  
Download from Www.Somanuals.com. All Manuals Search And Download.  
34  
NOTES  
Download from Www.Somanuals.com. All Manuals Search And Download.  
GRASS TRIMMER/BRUSH CUTTER  
OPERATOR'S MANUAL  
35  
NOTES  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SERVICING INFORMATION  
PARTS  
Genuine ECHO Parts and ECHO Re Power Parts and Assemblies for  
your ECHO products are available only from an Authorized ECHO  
Dealer. When you do need to buy parts always have the Model  
Number, Type number and Serial Number of the unit with you. You can  
find all three numbers on the engine housing. For future reference, write  
them in the space provided below.  
Model No. ____________ Type No. ____________ SN. __________  
DEALER?  
CALL  
1-800-432-ECHO  
OR  
SERVICE  
Service of this product during the warranty period must be performed  
by an Authorized ECHO Service Dealer. For the name and address of  
the Authorized ECHO Service Dealer nearest you, ask your retailer or  
call: 1-800-432-ECHO(3246). WhenpresentingyourunitforWarranty  
service/repairs, proof of purchase is required.  
ECHO CONSUMER PRODUCT SUPPORT  
CONSUMER PRODUCT  
SUPPORT  
1-800-673-1558  
8:30 - 4:30 MON - FRI C.S.T.  
If you require assistance or have questions concerning the application,  
operation or maintenance of this product, you may call the ECHO  
ConsumerProductSupportDepartmentat1-800-673-1558from8:30am  
to 4:30 pm (Central Standard Time) Monday through Friday. Before  
calling, please know the model and serial number of your unit to help  
your Consumer Product Support Representative.  
WARRANTY REGISTRATION  
You may register your Echo equipment using the warranty registration  
direct link between you and ECHO if we find it necessary to contact  
you.  
ADDITIONAL OR REPLACEMENT MANUALS  
Safety Manuals in English/Spanish or English/French are available, free of charge, from your ECHO dealer or at  
Operator'sandPartsManualsareavailableby:  
• Downloadingfreefromwww.echo-usa.com  
• Purchasing from your Echo Dealer.  
• Sending a check or money order for $2.00 per Parts Catalog or $1.50 per Operator's Manual made payable to ECHO,  
INCORPORATED. State on a sheet of paper the model number and serial number of the ECHO unit you have, part  
number of the manual (if known), your name and address, and mail to address below.  
Safety Videos are available from your Echo dealer. A $5.00 shipping charge is required for each video.  
Available Parts Catalog Parts Lists  
SRM-2100/2110  
TYPE1ES/N001001&UP  
PARTNUMBER99922203493  
ECHO, INCORPORATED  
400 OAKWOOD ROAD  
LAKE ZURICH, IL 60047  
Download from Www.Somanuals.com. All Manuals Search And Download.  
SUPPLEMENT TO OPERATOR'S MANUAL  
PART NUMBER X7532278902 (89861554132)  
FOR MODEL: SRM-2100, SN 991201 & UP,  
SRM-2110, S/N 510001 & UP  
Please use this Operator Manual Supplement when assembling and  
maintaining your SRM-2100 & SRM-2110  
DESCRIPTION Page 7  
EMISSION CONTROL  
IMPORTANT ENGINE INFORMATION  
ENGINE FAMILY : 2EHXS.0214RA DISPLACEMENT : 21.2cc  
EMISSION COMPLIANCE PERIOD : 300 HRS.  
PRODUCT EMISSION DURABILITY  
THIS ENGINE MEETS U.S. EPA PHASE 2 EMISSION  
REGULATIONS FOR SMALL NONROAD ENGINES. REFER  
TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICA-  
TIONS AND ADJUSTMENTS.  
The 300 hour emission durability compliance period is the time span selected by  
the manufacturer certifying the engine emissions output meets applicable U.S.  
EPA emissions regulations, provided that approved maintenance procedures  
are followed as listed in the Maintenance Section of this manual.  
PRE-OPERATION Page 20  
FUEL  
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 50:1 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 50:1 Two-stroke Oil, 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 EPA Phase II Defect Warranty Explana-  
tion.)  
MAINTENANCE  
CARBURETOR ADJUSTMENT Page27  
Emission Models  
NOTE  
Every unit is run at the factory and the carburetor is set in compliance with EPA Phase II Emission Regulations. In addition, the  
carburetor is equipped with HI and LO needle adjustment limiters that prevent settings outside acceptable limits.  
SUPLEMENTO DEL MANUAL DEL OPERADOR  
NÚMERO DE PIEZA X7532278902 (89861554132)  
PARA LOS MODELO: SRM-2100 S/N 991201 y Superior, SRM-2110 S/N 510001 y Superior  
Utilice por favor este suplemento manual del operador al ensamblar y manteniendo su SRM-2100 - SRM-2110  
DESCRIPCIÓN Page 7  
CONTROL DE EMISIONES  
INFORMACIÓN IMPORTANTE SOBRE EL MOTOR  
FAMILIA DE MOTORES: 2EHXS.0214RA CILINDRADA: 21.2 cc  
PERIODO DE LA CONFORMIDAD PARA LA EMISIONES : 300  
HORAS.  
ESTE MOTOR RESUELVE LOS E.E.U.U. REGULACIONES DE  
LA EMISIÓN DE EPA PH2 PARA EL MOTOR PEQUEÑO DEL  
DURABILIDADDELASEMISIONESDELPRODUCTO  
El período de durabilidad de comformidad para la emisiones de 300 horas  
es el tiempo seleccionado por el fabricante certificando que las emisiones  
de salida del motor cumplen con las regulaciones de emisiones aplicables  
NONROAD. CONSULTE EN EL MANUAL DEL PROPIETARIO  
LAS ESPECIFICACIONES Y AJUSTES DE MANTENIMIENTO.  
de EPA de EE,UU, siempre que se sigan los procedimientos de  
mantenimiento aprobados según se indican en la sección de  
mantenimiento de este manual.  
OPERACIÓN PRELIMINAR Page 20  
COMBUSTIBLE  
Aceite de dos tiempos - Se debe usar un aceite de motor de dos tiempos que cumpla con las normas ISO-L-EGD (ISO/CD. 13738) y  
J.A.S.O. FC. El aceite de calidad Echo 50:1 cumple con estas normas. Los problemas del motor debidos a una lubricación inadecuada  
por no usar un aceite certificado ISO-L-EGD y J.A.S.O.FC, tal como aceite de dos tiempos 50:1 de calidad óptima de Echo, anulará la  
garantía del motor de dos tiempos. (Las piezas relacionadas con las emisiones sólo están cubiertas durante dos años, sea cual sea el  
aceite de dos tiempos usado, según la declaración indicada en la explicación de garantía de defectos de emisiones de la Fase II de la  
EPA).  
MANTENIMIENTO Page 27  
AJUSTE DEL CARBURADOR  
NOTA  
Todas las unidades se hacen funcionar en fábrica y el carburador se ajusta en cumplimiento con las regulaciones de emisiones de  
EPA Fase II. Este carburador no tiene agujas de ajuste de aceleración y alta velocidad.  
99922203535  
01/02  
SUP22203535  
1
Download from Www.Somanuals.com. All Manuals Search And Download.  

Eiki Projection Television LC X71 LC X71L User Manual
Electro Voice Home Security System P 1200 User Manual
Extron electronic Switch SW2 VGA DA2 A User Manual
Fellowes Paper Shredder FS 3 User Manual
Franke Consumer Products Cooktop 4GAV TC User Manual
Fujioh Ventilation Hood BUF 06W User Manual
Fujitsu Laptop S6120 User Manual
GE Monogram Cooktop ZEU30R User Manual
GE Water Dispenser F 801 User Manual
GE Water Dispenser GX1S01C User Manual