Echo RM-210SB User Manual
Grass T rimmer/Brush Cutter
Operator's Manual
MODEL SRM - 210SB
X7712271900
W ARNING DANGER
Read rules for safe operation and instructions carefully. ECHO provides an
Operator's Manual with this unit and a separate Operator's Manual and Safety
Manual (if available) with the attachment. All manuals must be read and understood for proper and safe operation. Failure to do so could result in serious injury.
X771000180
02/04
2
INTRODUCTION
Welcome to the ECHO family. This ECHO product was designed and manufactured to provide long life and on-the-job
dependability. Read and understand this manual and the SAFETY MANUAL you found in the same package. You will
find both easy to use and full of helpful operating tips and SAFETY messages.
THE OPERATOR'S MANUAL
Read and understand this manual before operation. Keep it in a safe
place for future reference. It contains specifications and information for
operation, starting, stopping, maintenance, storage, and assembly
specific to this product.
THE ATTACHMENT OPERATOR'S MANUAL
Read and understand this manual before operation. Keep it in a safe
place for future reference. It contains specifications and information for
operation and maintenance specific to the attachment.
THE SAFETY MANUAL
(If available for attachment)
Explains possible hazards and what measures you should take to insure
safe operation.
TABLE OF CONTENTS
Introduction ........................................................................ 2
- The Operator's Manual .............................................. 2
- The Safety manual ...................................................... 2
Manual Safety Symbols & Important Information ............ 3
Safety.................................................................................. 3
- Decals ......................................................................... 3
- International Symbols................................................. 4
Safety Instructions ............................................................. 5
- Personal Condition and Safety Equipment................. 5
- Extended Operation/Extreme Conditions ................... 5
- Equipment .................................................................. 6
- Safe Operation ............................................................ 7
Emission Control ................................................................ 7
Description ......................................................................... 8
- Contents ..................................................................... 8
Specifications.................................................................... 11
- ECHO Approved Optional Equipment ................... 12
- Recommended Optional Attachments...................... 12
Assembly.......................................................................... 13
- Power Head Shaft / Lower Shaft Assembly ............. 13
- Plastic Shield Installation.......................................... 14
- Nylon Head Installation ........................................... 14
- Front Handle Installation.......................................... 14
Pre-Operation ................................................................... 15
- Operation with Blades.............................................. 15
- Fuel ........................................................................... 17
Operation.......................................................................... 18
Copyright© 2004 By Echo, Incorporated
All Rights Reserved.
- Starting Cold Engine ................................................. 18
- Starting Warm Engine ............................................... 19
- Stopping Engine........................................................ 19
Maintenance ..................................................................... 20
- Skill Levels................................................................ 20
- Maintenance Intervals .............................................. 20
- Air Filter ................................................................... 21
- Fuel Filter ................................................................. 21
- Spark Plug................................................................. 22
- Cooling System Cleaning .......................................... 22
- Exhaust System ........................................................ 23
- Carburetor Adjustment ............................................. 24
- Lubrication................................................................ 25
- Nylon Line Replacement .......................................... 27
- Sharpening Metal Blades .......................................... 29
Troubleshooting................................................................ 30
Storage .............................................................................. 31
Servicing Information........................................................ 32
- Parts.......................................................................... 32
- Service ....................................................................... 32
- ECHO Consumer Product Support.......................... 32
- Warranty Card .......................................................... 32
- Additional or Replacement Manuals ........................ 32
Specifications, 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.
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
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.
The circle with the slash symbol means whatever is shown
within the circle is prohibited.
IMPORTANT The enclosed message
provides information necessary for the
protection of the unit.
NOTE This enclosed message provides tips for
use, care and maintenance of the unit.
3
SAFETY
DECALS
Locate these safety decals on your unit. Make sure the decals are
legible and that you understand and follow the instructions on them. If
a decal cannot be read, a new one can be ordered from your ECHO
dealer. See PARTS ORDERING instructions for specific information.
Shaft Decal
Spanish Decal
ADVERTENCIA PELIGRO
P/N 89022809560
89022809560
Esta unidad puede ser peligrosa y producir
lesiones personales graves si no se usa en forma
adecuada. Para reducir el riesgo de lesionarse, los
operadores, los ayudantes y los espectadores
deben leer y comprender el Manual Del Operador y
los Manuales De Seguridad que se entregan
escritos en español.
Hot Decal (near muffler)
P/N 89016006361
English Translation
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,
which are provided in Spanish.
4
4
Shaft Decal
W ARNING 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.
Maintain a 15M (50 ft.) radius, DANGER ZONE surrounding the
operator. ONLY the operator, dressed in proper protective clothing
should be in the DANGER ZONE.
• Beware of KICKOUT (blade thrust) when using blades. 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.
• INSPECT BLADES BEFORE USE.
• DO NOT USE DAMAGED, CRACKED, BENT, DULL OR
IMPROPERLY SHARPENED BLADES.
• 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 ECHO dealer or by writing: ECHO, INCORPORATED, 400
OAKWOOD RD., LAKE ZURICH, IL 60047.
P/N 89016054130
INTERNA TIONAL SYMBOLS
DESCRIPTION
WARNING, SEE
OPERATOR'S
MANUAL
Wear eye, ear
and head
protection
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
flames or sparks
near fuel.
DO NOT smoke
near fuel.
SYMBOL DESCRIPTION
Emergency
Stop
Carburetor
Adjustment
- High speed
mixture
Carburetor
Adjustment
- Idle speed
Carburetor
Adjustment
- Low speed
mixture
Ignition
ON/
OFF
SYMBOL
DESCRIPTION
Fuel and oil
mixture
Primer
Bulb
Choke Control
"Run"
Position
(Choke Open)
Choke Control
"Cold Start"
Position
(Choke Closed)
Do not use
blades. String
line only
SAFETY INSTRUCTIONS
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
5
PERSONAL
CONDITION AND SAFETY EQUIPMENT
W ARNING 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/brush cutter.
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
Eye protection that meet ANSI Z87.1 or CE requirements
must be worn whenever you operate the unit.
Hand Protection
Wear no-slip, heavy-duty work gloves to improve your
grip on the handles. Gloves also reduce the transmission
of machine vibration to your hands.
Hearing Protection
Wear hearing protection. ECHO recommends wearing
hearing protection whenever unit is used.
Proper Clothing
Wear snug fitting, durable clothing;
• Pants should have long legs, shirts with long sleeves.
• 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.
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 OPERA TION/EXTREME CONDITIONS
Vibration and Cold
It is believed that a condition called Raynaud’s Phenomenon, which
affects the fingers of certain individuals, may be brought about by
exposure to vibration and cold. Exposure to vibration and cold may
cause tingling and burning sensations, followed by loss of color and
numbness in the fingers. The following precautions are strongly
recommended, because the minimum exposure which might trigger the
ailment is unknown.
• Keep your body warm, especially the head, neck, feet, ankles,
hands, and wrists.
• Maintain good blood circulation by performing vigorous arm
exercises during frequent work breaks, and also by not smoking.
• Limit the hours of operation. Try to fill each day with jobs where
operating the 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). An extreme RSI condition is Carpal Tunnel Syndrome
(CTS), which could occur when your wrist swells and squeezes a vital
nerve that runs through the area. Some believe that prolonged exposure
to vibration may contribute to CTS. CTS can cause severe pain for
months or even years.
To reduce the risk of RSI/CTS, do the following:
• Avoid using your wrist in a bent, extended, or twisted position.
Instead, try to maintain a straight wrist position. Also, when grasping, use your whole hand, not just the thumb and index finger.
• Take periodic breaks to minimize repetition and rest your hands.
• Reduce the speed 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
W ARNING DANGER
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 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.
GRASS TRIMMER/BRUSH CUTTER
SAFE OPERATION
W ARNING 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
fingers encircling the handles.
OPERATOR'S MANUAL
7
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 flammable debris. Avoid contact during
and immediately after operation.
EMISSION CONTROL
EPA Phase 2
The emission control system for this engine is EM (Engine
Modification).
Emission Control Label (located on Engine) (EXAMPLE ONLY,
information on label varies by FAMILY).
ENGINE FAMILY: 4EHXS.0214EF DISPLACEMENT: 21.2 CC
IMPORTANT ENGINE INFORMATION
EMISSION COMPLIANCE PERIOD: 300 HOURS
THIS ENGINE MEETS U.S. EPA PH2 EMISSION REGULATIONS FOR SMALL NONROAD ENGINE. REFER TO
OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS
AND ADJUSTMENTS.
PRODUCT EMISSION DURABILITY
The 300 hour emission durability 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.
8
DESCRIPTION
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.
CONTENTS
____ 1 - Power Head w/Upper Drive Shaft Assembly
____ 1 - Lower Drive Shaft Assembly
____ 1 - Operator's Manual
____ 1 - Safety Manual
____ 1 - Warranty Registration Card
____ 1 - Limited Warranty Statement
____ 1 - Plastic shield
____ 1 - Shield plate
____ 3 - 5 mm x 16 mm screws (shield mounting)
____ 1 - T-Wrench
____ 1 - Locking tool
____ 1 - Nylon Trimmer Head
____ 1 - Safety Glasses
____1 - Echo Power Blend TM 2-stroke oil sample
22
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
12
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9
13
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16
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7
9
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5
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4
3
2
14
1
12
10
1. POWER HEAD - Includes the Engine, Clutch, Fuel System, Ignition System and Recoil Starter.
2. GRIP - Rear (right hand) handle.
3. THROTTLE TRIGGER LOCKOUT - Operation of the throttle trigger is prevented unless throttle trigger lockout lever is
engaged.
4. STOP SWITCH - "SLIDE SWITCH" mounted on top of the Throttle Trigger Housing. Move switch FORWARD to RUN,
BACK to STOP.
5. FRONT HANDLE - 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.
6. UPPER DRIVE SHAFT ASSEMBLY - Includes the Rear (Right Hand) Grip Assembly, Front (Left Hand) Handle Assem-
bly, Upper Flexible Drive Cable, Drive Shaft Assembly Coupler and Power Head.
7. DRIVE SHAFT COUPLER - Includes Locator Pin and Clamping Knob.
8. LOWER DRIVE SHAFT ASSEMBLY - Includes the Debris Shield Assembly, Gear Housing Assembly, Lower Flexible
Drive Cable, Nylon Cutting Attachment and Safety Decal.
9. NYLON CUTTING ATTACHMENT - Contains replaceable nylon trimming line that advances when the trimmer head is
tapped against the ground while the head is turning at normal operating speed.
10. CUT-OFF KNIFE - Automatically trims line to the correct length: 5 in. 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.
11. PLASTIC DEBRIS SHIELD ASSEMBLY - Included in plastic bag (co-pack). MUST be installed on unit before use, 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.
12. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually for
best operating technique.
13. TOP GUARD - Protects arm from the hot engine.
14. SPARK ARRESTOR - CATALYTIC MUFFLER / MUFFLER -The muffler or catalytic muffler controls exhaust noise and
emission. The spark arrestor screen prevents hot, glowing particles of carbon from leaving the muffler. Keep exhaust area
clear of flammable debris.
15. FUEL TANK - Contains fuel and fuel filter.
16. FUEL TANK CAP - Covers and seals fuel tank opening.
17. I-30 RECOIL STARTER/HANDLE - i-30 spring-assisted recoil starter requires 30% less pulling force than standard
recoil starter. Pull handle slowly until starter engages, then quickly and firmly. When engine starts, return handle slowly.
DO NOT let handle snap back or damage to unit will occur.
18. PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank priming the carburetor 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.
19. AIR CLEANER - Contains replaceable filter element.
20. CHOKE - Adjusts Fuel/Air ratio for starting or running engine. The choke control is located at the top of the air filter case.
Move choke lever to "Cold Start" (
open choke.
21. SPARK PLUG - Provides spark to ignite fuel mixture.
22. SAFETY VIDEO - (Not included with unit) P/N 99922202540 English version and P/N 99922203508 Spanish version are
available at a cost of $5.00 from ECHO, 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.
) to close choke for cold starting. Move choke lever to "Run" ( ) position to
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