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SRM - 410U
User Manual
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User Manual
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Echo SRM - 410U User Manual

Grass Trimmer/Brush Cutter
Operator's Manual

MODEL SRM - 410U

X7502163701
WARNING
Read rules for safe operation and instructions carefully. ECHO provides an Operator's Manual and a Safety Manual. Both must be read and understood for proper and safe operation.
X750012311 03/09
2

In t r o d u c t I o n

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 and the SAFETY MANUAL you found in the same package. You will
nd both easy to use and full of helpful operating tips and SAFETY messages.
t h e o p e r a t o r 's m a n u a l
Read and understand this manual before operation. Keep it in a safe
place for future reference. Contains specications and information
for operation, starting, stopping, maintenance, storage and assembly
specic to this product.
t h e s a f e t y m a n u a l
Read and understand this manual before operation. Keep it in a safe place for future reference. Explains possible hazards involved with the use of Grass Trimmers and Brush Cutters and what measures you should take to make their use safer.

ta b l e o f co n t e n t s

- International Symbols ..................................................3
- Personal Condition and Safety Equipment ..................3
- Carburetor Adjustment ...............................................27
Specications, descriptions and illustrative material in
this literature are as accurate as known at the time of publication, but are subject to change without notice. Illustrations may include optional equipment and acces­sories, and may not include all standard equipment.
Copyright© 2009 By Echo, Incorporated All Rights Reserved.

sa f e t y

Gr a s s Tr i m m e r /Br u s h Cu T T e r
Op e r a T O r 's ma n u a l
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m a n u a l
s a f e t y s y m b o l s a n d I m p o r t a n t I n f o r m a t I o n
Throughout this manual and on the product itself, you will nd safety alerts and helpful, informational messages pre­ceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you.
DANGER
The safety alert symbol accompanied by the word “DANGER” calls attention to an act or condition which WILL lead to serious personal injury or
CIRCLE AND SLASH SYMBOL
This symbol means the specic action
shown is prohibited. Ignoring these prohi­bitions can result in serious or fatal injury.
death if not avoided.
WARNING
The safety alert symbol accompanied by the word “WARNING” calls attention to an act or condi-
NOTE
This enclosed message provides tips for use, care and maintenance of the unit.
tion which CAN lead to serious personal injury or death if not avoided.
IMPORTANT
The enclosed message provides information neces-
CAUTION
sary for the protection of the unit.
The safety alert symbol accompanied by the word “CAUTION” calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided.
I n t e r n a t I o n a l s y m b o l s
DESCRIPTION
"WARNING, SEE OP-
ERATOR'S MANUAL
Wear eye, ear
and head protec-
tion
Wear hand and foot protection
Safety/Alert
SYMBOLSYMBOL
Keep bystanders and helpers
away 15 m (50 ft.).
DESCRIPTION
Hot
Surface
Finger Severing
DO NOT allow
ames or sparks
near fuel.
DO NOT smoke
near fuel.
SYMBOL
DESCRIPTION
Emergency
Stop
Carburetor Adjust-
ment
- High speed mixture
Carburetor Adjust-
ment
- Idle speed
Carburetor Adjust-
ment
- Low speed mixture
Choke Control
"Run"
Position
(Choke Open)
SYMBOL
p e r s o n a l c o n d I t I o n a n d s a f e t y e q u I p m e n t
WARNING
Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed. Proper clothing and safety gear must be worn when operating unit.
DESCRIPTION
Fuel and oil
mixture
Primer
Bulb
Ignition
ON/ OFF
Do not use
blades. String
line only
Choke Control
"Cold Start"
Position
(Choke Closed)
4
Physical Condition
Your judgment and physical dexterity may not be good:
• if you are tired or sick,
• if you are taking medication,
• if you have taken alcohol or drugs.
Operate unit only if you are physically and mentally well.
Eye Protection
Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the unit.
Hand Protection
Wear no-slip, heavy-duty work gloves to improve your grip on the handle. Gloves also reduce the transmission of ma­chine vibration to your hands.
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, SCARFS, JEWELRY.
Wear protective hair covering to contain long hair.
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 air intake. Retain hair with cap or net.
Hot Humid Weather
Heavy protective clothing can increase operator fatigue which may lead to heat stroke. Schedule heavy work for early morning or late afternoon hours when temperatures are cooler.
Extended Operation/Extreme Conditions
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 sensa-
tions, followed by loss of color and numbness in the ngers. The following precautions are strongly recommended,
because the minimum exposure, which might trigger the ailment, is unknown.
• Keep your body warm, especially the head, neck, feet, ankles, hands,
and wrists.
• Maintain good blood circulation by performing vigorous arm exer­cises during frequent work breaks, and also by not smoking.
• Limit the hours of operation. Try to ll each day with jobs where op­erating the unit or other hand-held power equipment is not required.
• If you experience discomfort, redness, and swelling of the ngers fol­lowed by whitening and loss of feeling, consult your physician before further exposing yourself to cold and vibration.
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Op e r a T O r 's ma n u a l
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 following:
• Avoid using your wrist in a bent, extended, or twisted position.
Instead try to maintain a straight wrist position. Also, when grasping,
use your whole hand, not just the thumb and index nger.
• Take periodic breaks to minimize repetition and rest your hands.
• Reduce the speed and force with which you do the repetitive move-
ment.
• Do exercise 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 ngers, hands, wrists, or
arms. The sooner RSI/CTS is diagnosed, the more likely permanent nerve and muscle damage can be prevented.
5
DANGER
Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death.
Read the Manuals
• Provide all users of this equipment with the Operator’s Manual and
Safety Manual for instructions on Safe Operation.
Clear the Work Area
• Spectators and fellow workers must be warned, and children and
animals prevented from coming nearer than 15 m (50 ft.) while the unit is in use.
Keep a Firm Grip
• Hold the front and rear handles with both hands, with thumbs and ngers encircling the handles.
Keep a Solid Stance
• Maintain footing and balance at all times. Do not stand on slippery,
uneven or unstable surfaces. Do not work in odd positions or on lad­ders. Do not over reach.
Avoid Hot Surfaces
• Keep exhaust area clear of ammable debris. Avoid contact during
and immediately after operation.
6
e q u I p m e n t
WARNING
Use only ECHO approved attachments. Serious injury may result from the use of a non-approved attachment com­bination. ECHO, INC. will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO. Read and comply with all safety instructions listed in this manual and safety manual.
• Check unit for loose/missing nuts, bolts, and screws. Tighten and/or replace as needed.
• Inspect shield for damage and ensure that the cut-off knife is securely in place. Replace if either is damaged or miss-
ing.
• Check that the cutting attachment is rmly attached and in safe operating condition.
• Check that front loop handle and shoulder strap/ or shoulder/waist harness are adjusted for safe, comfortable opera-
tion. See Assembly Section for proper adjustment.
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.

em I s s I o n co n t r o l

EPA Phase 2
The emission control system for the engine is EM (Engine Modication)
An Emission Control Label is located on the engine. (This is an EXAMPLE ONLY, information on label varies by engine FAMILY).
PRODUCT EMISSION DURABILITY (E
The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emis­sions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual.
M I S S I O N CO M P L I A N C E PE R I O D )
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Op e r a T O r 's ma n u a l
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de s c r I p t I o n

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.
10
9
5
6
8
7
4
3
2
1
15
Hot Decal (near mufer)
P/N X505002310
20
12
Shaft Decal Spanish Decal
P/N 89017751830
P/N 89016054130
English Translation
11
19
18
17
14
16
Metal Debris Shield Decal
P/N 89011841031
13
8
1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
2. THROTTLE TRIGGER LOCKOUT - This lever must be held during starting. Operation of the throttle trigger is
prevented unless throttle trigger lockout lever is engaged.
3. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD
to RUN, BACK to STOP.
4. THROTTLE TRIGGER - Controls engine speed. Spring loaded to return to idle when released. During accelera-
tion, press trigger gradually for best operating technique.
5. DRIVE SHAFT ASSEMBLY - Includes the Rear (right hand) Handle assembly, Gear Housing assembly, Front
(loop, left hand) Handle assembly, metal drive shaft and Safety Decal.
6. U-HANDLE - Required for metal blade operation.
7. HIP PAD - Used to protect hip/leg and clothing when using U-handle equipped unit.
8. SHOULDER HARNESS- An adjustable strap that suspends the unit from the operator. Using the strap reduces
operator fatigue.
9. BLADE - Circular blade for grass, weed or brush cutting applications. Harness, metal shield & U-handles required
for blade operation.
10. METAL BLADE SHIELD - Required when unit is equipped with blades. Do not operate unit without shield.
11. SPARK PLUG - Provides spark to ignite fuel mixture.
12. ARM REST - Provides arm rest during operation and protects arm from the hot engine.
13. SPARK ARRESTOR MUFFLER OR SPARK ARRESTOR MUFFLER WITH CATALYST -The mufer or
catalytic mufer controls exhaust noise and emission. The spark arrestor screen prevents hot, glowing particles of
carbon from leaving the mufer. Keep exhaust area clear of ammable debris.
14. FUEL TANK - Contains fuel and fuel lter.
15. RECOIL STARTER HANDLE - Pull handle slowly until starter engages, then quickly and rmly. When engine
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. PURGE BULB - Pumping purge bulb before starting engine draws fresh fuel from the fuel tank, purging air from
the carburetor. Pump purge bulb until fuel is visible and ows freely in the clear fuel tank return line. Pump purge
bulb an additional 4 or 5 times.
18. AIR CLEANER - Contains replaceable lter element.
19. CHOKE - The choke control is located at the rear of the air cleaner housing. Move choke lever to Cold Start
( ) to close choke for cold start. Move choke lever to "Run" ( ) position to open choke.
20. DECOMPRESSION BUTTON - Push button to assist starting. Automatically resets after engine starts and runs.
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1
EPA 2009 AND LATER / CALIFORNIA TIER III EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS
The Environmental Protection Agency (EPA) and the California Air Resources Board (C.A.R.B.) and ECHO Incorporated are pleased to explain the emission control system warranty (exhaust and evaporative) on your EPA 2009 and later / C.A.R.B. Tier III equipment/small off road engine (SOREs). New equipment/small off road engines must be designed, built and equipped to meet stringent EPA and C.A.R.B. anti-smog standards. ECHO Incorporated must warrant the emission control system on your equipment/small off road engine for the periods of time listed below, provided there has been no abuse, neglect or improper maintenance of your equipment/small off road engine. The Emission Control System warranty is extended to the original owner including all subsequent owners.
Your emission control system may include parts such as: carburetor, fuel injected system, ignition system, catalytic converter, fuel tank, fuel lines, fuel caps, valves, canisters, filters, vapor hoses, clamps, connectors, and other associated components.
Where a warrantable condition exists, ECHO Incorporated will repair your equipment/small off road engine at no cost to you including diagnosis, parts and labor.
MANUFACTURER’S WARRANTY COVERAGE:
The 2009 and later equipment/small off road engines are warranted for 5 years residential use or 2 years commercial use for certain emission related parts. Defective parts will be repaired or replaced by ECHO Incorporated or its Authorized Service Representative.
OWNER’S WARRANTY RESPONSIBILITIES:
•As the equipment/small off road engine owner, you are responsible for the performance of the required maintenance listed in your Operator’s Manual. ECHO Incorporated recommends that you retain all receipts
covering ma inte nan ce o n you r eq uip ment /sm all off r oad engi ne h owe ver, E CHO Inc orpo rat ed c anno t de ny w arra nty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
•As the equipment/small off road engine owner, you should be aware that ECHO Incorporated may deny you
warranty coverage if your equipment/small off road engine or a part has failed due to abuse, neglect, improper maintenance or unapproved modifications.
•You are responsible for presenting your equipment/small off road engine to an ECHO Incorporated authorized
service representative as soon as a problem exists. The warranty repairs should be completed in a reasonable amount of time, not to exceed 30 days. Should you require assistance or have questions concerning EC HO’s Warranty Statement, you can contact our Consumer Product Support Department at 1-800-673-1558 or contact us through the web at
WWW.ECHO-USA.COM.
For the name and address of an Authorized ECHO Dealer near you call: 1-800-432-ECHO or
WWW.ECHO-USA.COM.
X7562 0 9 0 500 01/09
Op e r a T O r 's ma n u a l

co n t e n t s

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.
___ 1- Power Head ___ 1- Drive Shaft Assembly ___ 1- Plastic Bag (co-pack) __ - 1, Operator's Manual __ - 1, Safety Manual __ - 1, Warranty Registration Card ___ - 1, Limited Warranty Statement ___ - 1, Emission Control Warranty Statement ___ - 1, Tool Bag ___ --1, wrench 17x19 ___ --1, locking tool ___ --1, 8 x 10mm Open End Wrench ___ --1, 4mm Hexagon Wrench ___ - 1, Safety Glasses ___ - 1, ___ - 1, Plastic Bag ___ --3, 5mm x 10mm screws (shield mount) ___ --2, 5mm x 8mm screws (bracket to shield) ___ --4, 5mm nuts ___ --4, 5mm lockwashers ___ --1, metal shield ___ --1, bracket ___ - 1, Shoulder Harness w/hip pad ___ - 10, Cotter Pins
____ - 1, Blade
Echo Power Blend X TM 2-stroke oil sample
9
10

as s e m b l y

d r I v e
Tools Required: 4 mm Hex Wrench Parts Required: Power Head, Drive Shaft Assembly
1. Stand power head upright on a level surface.
2. Loosen the drive shaft clamp bolt (A) at engine drive shaft clamp,
3. Remove protective plastic cap from end of drive shaft assembly.
4. Turn drive shaft housing until locating hole lines up with locating
5. Tighten drive shaft clamp bolt (A) securely.
s h a f t /p o w e r h e a d
and remove drive shaft locating bolt (B).
Carefully t driveshaft assembly to engine making sure that
inner drive shaft engages clutch mount.
hole in clamp and install drive shaft locating bolt (B).
NOTE
Gear housing must be aligned properly with engine. Aligning center locating hole in driveshaft housing with center drive shaft bolt (B) provides correct alignment.
WARNING
Never start engine without driveshaft assembly installed. this could result in serious injury.
B
A

b l a d e I n s t a l l a t I o n

WARNING
You must install the U-Handle and all Blade Conversion parts shown in the following instructions before operating this unit with a metal blade, otherwise serious injury may result.
Install Metal Shield
Tools Required: 8 x 10 mm Open-end Wrench, Screwdriver, 17x19
mm Wrench, Locking Tool
Parts Required: Metal Shield, Shield Bracket, 3 - 5 x 10 mm screws w/captivated at and lock-
washer, (metal shield to gear housing).
2 - 5 x 8 mm screws, 2 - 5 mm nuts, 2 - 5 mm lock-
washers, (bracket to shield).
2 - 5 mm nuts, 2 - 5 mm lockwashers
(bracket to gear housing)
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Op e r a T O r 's ma n u a l
11
1. Align hole in upper plate (D) with notch in gear housing (E), and insert locking tool to prevent splined shaft from turning. Arrow on
gear housing ange points to notch location.
2. Remove split pin (F), L.H. blade nut (G), lower plate (H), and up­per plate (D) from PTO shaft. Turn blade nut clockwise to remove.
3. Remove locking tool.
4. Loosely attach bracket (I) to shield (J) and attach shield to bottom
of gear housing (E) with hardware provided.
5. Tighten all shield hardware.
E
D
H
I
J
G
F
E
Install Blade
Tools Required: Locking Tool, 17x19 mm Wrench.
Parts Required: Upper Plat, Lower Plate, 10 mm Nut w/L.H. threads,
2 x 25 mm Cotter Pin, Blade.
1. Install upper plate (D) on splined PTO shaft, pilot side down. Blade installation requires Upper Plate (D).
2. Install Blade (K) on upper plate pilot. Blades must be installed so that rotation arrow on blade matches rotation of unit: teeth toward direction of rotation (See debris shield decal). Secure blade with Lower Plate (H), and 10 mm L.H. nut (G). Turn nut counter-clock­wise on PTO shaft to tighten.
3. Align hole in upper plate with notch in gear housing, and insert Locking Tool (L) to prevent splined shaft from turning. Arrow on gear housing points to notch. Tighten 10 mm nut securely.
4. Insert Cotter Pin (F) in hole in PTO shaft, and bend pin legs around shaft counterclockwise to retain 10 mm nut.
IMPORTANT
Never reuse a cotter pin - install a new cotter pin each time a blade is installed or replaced.
5. Remove locking tool.
D
L
D
20
K
G
K
H
G
F
L
H
F
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