Echo SRM-2100SB, SRM-2400SB User Manual

Grass T rimmer/Brush Cutter
Operator's Manual
MODELS, Type 1E SRM - 2100SB
Serial Number 0533424 & Up
SRM - 2400SB
Serial Number 0563001 & Up
X7532277103
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.
89861056733 12/01
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. 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 ordered from your ECHO dealer. See PARTS ORDERING instructions for specific information.
DEBRIS SHIELD DECAL
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 89016844830
INTERNA TIONAL SYMBOLS
Symbol form/shape
Symbol
description/application
"WARNING, SEE
OPERATOR'S
MANUAL
Wear eyes, ears and
head protection
Finger Severing
Wear hand and
foot protection
Symbol form/shape
Keep bystanders and helpers
away 15 m (50 ft.).
Symbol
description/application
Hot
Surface
Fuel and oil mixture
Emergency stop
WARNING
Symbol form/shape
Symbol
description/application
Carburetor adjustment
- High speed mixture
Carburetor adjustment
- Idle speed
Carburetor adjustment
- Low speed mixture
Blade and string
line capable
Do not exceed
10,000 RPM.
Symbol form/shape
Symbol
description/application
Primer Bulb
Ignition ON/OFF
Engine choke
control.
Do not operate
without guards and
shields in place.
BEWARE
- Thrown, Ricochet
objects
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.
Eye Protection
Wear eye protection that meets ANSI Z87.1 or CE requirements whenever you operate the trimmer.
Hand Protection
Wear no-slip, heavy duty work gloves to improve your grip on the Trimmer/Brush Cutter handles. Gloves also reduce the transmission of machine vibration to your hands.
Hearing Protection
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, SCARVES, JEWELRY.
Wear sturdy work shoes with non-skid soles;
• DO NOT WEAR OPEN TOED SHOES,
• DO NOT OPERATE UNIT BAREFOOTED.
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 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.
• Keep exhaust area clear of flammable debris. Avoid contact during and immediately after operation.
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.
PROVIDE ALL OPERATORS OF THIS EQUIPMENT WITH THE OPERATOR'S MANUAL AND INSTRUCTIONS FOR SAFE OPERA­TION.
Keep A Firm Grip
• Hold the front and rear handles with both hands with thumbs and fingers 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.
OPERATOR'S MANUAL
7
EMISSION CONTROL
Type 1E Models
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).
IMPORTANT ENGINE INFORMATION
ENGINE FAMILY: TEH024UB24RA DISPLACEMENT: 23.6 CC THIS ENGINE MEETS U.S. EPA PH1 EMISSION REGULATIONS FOR SMALL NON ROAD ENGINES. REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.
DESCRIPTION
The ECHO product you purchased has been factory pre-assembled for your convenience. Due to packaging restrictions, shield installation and other assembly may be necessary.
After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts.
8
CONTENTS
Contents List
Items
1 - Power Head w/Upper Drive Shaft Assembly 1 - Lower Drive Shaft Assembly 1 - Plastic Bag (co-pack)
- 1, Operator's Manual
- 1, Safety Manual
- 1, Warranty Registration Card
- 1, Limited Warranty Statement
- 1, Plastic shield
- 1, Tool Bag
--1, 8 mm x 10 mm wrench
--1, scrench
--1, locking tool
- 1, Nylon Trimmer Head
- 1, Safety Glasses
- 1, 2-Stroke Oil Sample, 2.6 oz.
- 1, Front Handle (L.H.) Assembly
-- 1, Plastic Bag
---1, shield plate
--- 3, 5 mm x 15 mm screws (shield mounting)
MODELS
SRM-2400SBSRM-2100SB
22
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
13
14
21
20
9
15
19
18
8
7
9
10
11
6
5
17
4
3
2
16
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. 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.
6. 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.
7. DRIVE SHAFT COUPLER - Includes Locator Pin and Clamping Knob.
8. 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.
9. 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.
10. 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.
11. LOWER DRIVE SHAFT ASSEMBLY - Includes the Debris Shield Assembly, Gear Housing Assembly, Lower Flexible
Drive Cable, Nylon Cutting Attachment and Safety Decal.
12. THROTTLE TRIGGER - Spring loaded to return to idle when released. During acceleration, press trigger gradually for
best operating technique.
13. ARM REST - Provides arm rest during operation and protects arm from the hot engine.
14. SPARK PLUG - Provides spark to ignite fuel mixture.
15. MUFFLER/SPARK ARRESTOR - The muffler controls the exhaust noise while the spark arrestor prevents hot, glowing
particles of carbon from leaving the muffler where they could possibly start a fire.
16. FUEL TANK - Contains fuel and fuel filter.
17. RECOIL STARTER HANDLE - Pull recoil starter 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. FUEL TANK CAP - Covers and seals fuel tank opening.
19. PRIMER BULB - Pumping primer bulb before starting engine draws fresh fuel from the fuel tank priming the carburetor for
starting. Pump the bulb 10 times until fuel is visible in clear fuel return line.
20. AIR CLEANER - Contains replaceable filter element.
21. CHOKE - The choke control lever is located on the top of the air filter case. Move lever to "COLD START" to close choke
for cold starting. Move lever to the "RUN" position to open choke.
22. SAFETY VIDEO - (Not included with unit) P/N 99922202540 English version only is 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.
SPECIFICATIONS
LEDOMBS0012-MRSBS0042-MRS
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
11
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* Install and use U-Handle when operating any model with steel blade. **The RPM range shown applies for all attachments. Refer to your attachment Operator's Manual "Specifications"
section for proper RPM specifications.
12
ECHO APPROVED OPTIONAL ATTACHMENTS
W ARNING DANGER
• Use only ECHO approved attachments for Pro Attachment SeriesTM 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 this Pro Attachment SeriesTM unit.
RECOMMENDED OPTIONAL ATTACHMENTS
• PAS Edger Model 99944200470
• PAS Cultivator Model 99944200510
• PAS Trimmer Model 99944200540
• PAS Hedge Clipper Model 99944200480
• PAS Power Pruner
TM
Model 99944200530
• PAS Pro Sweep
• PAS Pro Thatch
• PAS Articulating Hedge Clipper Mod el 99944200590
• PAS Rapid Loader
• PAS Brush Cutter Mod el 99944200600
TM
TM
TM
Model 99944200550 Model 99944200560
Model 99944200610
ASSEMBLY
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
13
POWER
Tools Required: None Parts Required: Split Boom Attachment Assembly
1 . Set Power Head/Shaft Assembly on a level surface.
2 . Pull locator pin (A) out, and turn counter-clockwise 1/4 turn to lock-
out position.
3 . Carefully fit attachment drive shaft assembly into coupler (B) to
decal assembly line (C), making sure that the inner lower drive shaft engages into the square upper drive shaft socket.
NOTE
Lower bearing housing and head assembly must be in line with the engine.
4 . Rotate locator pin (A) 1/4 turn clockwise to engage lower shaft
hole. Insure locator pin is fully engaged by twisting lower drive shaft. Locator pin should snap flush in coupler. Full engagement will prevent further shaft rotation.
HEAD SHAFT/LOWER SHAFT ASSEMBLY
B
D
A
B
D
A
C
5 . Secure lower shaft assembly to coupler by tightening clamping
knob (D).
PLASTIC SHIELD INSTALLATION
(For Nylon Line Operation)
Tools Required: Screwdriver. Parts Required: Plastic Shield, Shield Plate, three (3) 5 mm x 15 mm
screws.
NOTE
The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades.
1. Snap the shield on the bottom of the bearing housing flange. 2 . Place shield plate on shield, align holes and install three (3) screws.
14
NYLON LINE HEAD INSTALLATION
Tools Required: Head Locking Tool Parts Required: Nylon Line Head.
1 . Align locking hole in upper plate (B) with notch in edge of gear
housing and insert head locking tool (A).
2 . Remove plastic sleeve from P.T.O. shaft (C). 3 . Be sure upper plate (B) remains on P.T.O. shaft. 4 . Thread line head onto P.T.O. shaft by turning it counter clockwise
until head is tight against upper plate (B).
5 . Remove locking tool (B).
FRONT HANDLE INSTALLATION
Tools Required: Screwdriver.
Parts Required: Front Handle Assembly
A
C
B
1 . Assemble front handle on drive shaft, DO NOT tighten screws yet.
2 . Position front handle for comfortable operation and secure screws.
PRE - OPERATION
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
15
OPERATION
Preparing the Trimmer/Brush Cutter for Blade Use
WITH BLADES
WARNING DANGER
Blade use DEMANDS specific Brush Cutter configuration. Operation without specified shield and harness can result in serious personal injury. Follow installation instructions included in optional kits.
Plastic and Nylon Blades Require:
"Blade Conversion Kit," P/N 99922200415 (metal shield [A], shoulder harness [B], and Barrier Bar [C]).
A
C
Steel/Metal Blades Require:
SRM-2100SB "Combination Blade" and "U-Handle Kit" P/N 99944200451 (D). SRM-2400SB "Combination Blade" and "U-Handle Kit" P/N 99944200521 (D).
B
D
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.
Plastic/Nylon Blades may be used where ever the nylon line head is used. DO NOT use this blade for heavy weeds or brush!
16
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 3" in. (76 mm) diameter.
Use Shoulder/Waist Harness P/N 99944200200 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 operator's 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.
GRASS TRIMMER/BRUSH CUTTER
FUEL
Fuel Requirements
Gasoline - Use 89 Octane [ ] (mid grade or higher) gasoline known to be good quality. Gasoline may contain up to 15% MTBE (methyl tertiary-butyl ether). Gasohol containing methyl (wood) alcohol is NOT approved.
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 I/California Emission Defect Warranty Explanation.)
IMPORTANT
Echo Premium 2-Stroke Oil may be mixed at 50:1 ratio for applica­tion in all Echo engines sold in the past regardless of ratio speci­fied in those manuals.
Mixing Instructions
1 . Fill an approved fuel container with half of the required amount of gasoline. 2 . Add 2-stroke oil to gasoline. 3 . Close container and shake to mix oil with gasoline. 4 . Add remaining gasoline and remix. 5 . Install fuel container cap and wipe any spilled fuel from container and surrounding area.
Handling Fuel
R + M
2
OPERATOR'S MANUAL
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
ordering information.
After Refueling
• Wipe any spilled fuel from the unit.
• Move at least 3 m (10 ft.) from refueling location before starting.
After use
• DO NOT store a unit with fuel in its tank. Leaks can occur. Return unused fuel to an approved fuel storage container.
Storage
Fuel storage laws vary by locality. Contact your local 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.
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.
17
WARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result.
• Use an approved fuel container.
• DO NOT smoke near fuel.
• DO NOT allow flames or sparks near fuel.
• Fuel tanks/cans may be under pressure. Always loosen fuel caps slowly allowing pressure to equalize.
• NEVER refuel a unit when the engine is HOT!
• NEVER refuel a unit with the engine running.
• DO NOT fill fuel tanks indoors. ALWAYS fill fuel tanks out doors 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.
IMPORTANT
Stored two-stroke fuel may separate. ALWAYS shake fuel container thor­oughly before each use.
18
OPERATION
STARTING
COLD ENGINE
WARNING DANGER
The cutting attachment should not rotate at idle. If attachment rotates, readjust carburetor according to "Carburetor Adjustment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result.
NOTE
Refer to the attachment Operator's Manual and Safety Manual (if included) for proper and safe operating techniques.
All Models
1. Stop Switch Move stop switch button (A) forward away from the STOP position.
2. Choke Move choke (B) to “Cold Start” Position.
3. Primer 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.
A
B
W ARNING 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.
SRM-2100SB
B
SRM-2400SB
C
C
SRM-2100SB
4A. Recoil Starter
Lay the unit on a flat clear area. Firmly grasp rear handle grip and throttle lockout with left hand and fully depress throttle trigger to wide open position. Rapidly pull recoil starter handle/ rope (D) until engine fires (or maximum five [5] pulls).
5A. Choke
After engine fires (or five [5] pulls), move choke to “Run” position. Hold throttle trigger fully depressed and pull recoil starter handle/rope (D) until engine starts and runs. Release throttle trigger and allow unit to warm up at idle for several minutes.
SRM-2400SB
4B. Recoil Starter
Lay the unit on a flat clear area and pull the recoil starter handle (D) until engine fires.
5B. Choke
Move the choke to the OPEN - RUN position. Restart engine if necessary and allow to warm up running at idle for several minutes.
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
SRM-2100SB
D
SRM-2400SB
19
All Models
NOTE
If engine does not start with choke in “Run” position after 5 pulls, repeat instructions 4 (A/B) and 5 (A/B).
6 . After engine warm up, gradually depress throttle trigger to increase
engine RPM to operating speed.
STARTING WARM ENGINE
All Models
The starting procedures is the same as Cold Start except DO NOT close the choke, and do not depress throttle trigger to wide-open position.
WARNING DANGER
The cutting attachment should not rotate at idle. If cutting attach­ment moves, readjust carburetor according to "Carburetor Adjust­ment" instructions in this manual or see your ECHO Dealer, otherwise serious personal injury may result.
A
1. Stop Switch Move stop switch button (A) forward away from the STOP position.
2. Primer 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.
C
D
20
3. Recoil Starter Lay the unit 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.
STOPPING ENGINE
1. Throttle Release throttle, and allow engine to return to idle before shutting engine off.
2. Stop Switch Move stop switch button (A) backward to STOP position.
A
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.
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 = Easy to do. Most required tools come with unit. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = Experience required. Specialized tools are required. ECHO recommends
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 INTERV ALS
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
21
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METSYS
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D'QER LLIKS
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3
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6
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22
AIR FIL TER
Level 1.
Tools required: Cleaning brush, 25 - 50 mm (1 or 2 in.) medium bristle
paint brush.
Parts required:
SRM-2100SB 90008 REPOWERTM AIR & FUEL FILTER KIT. SRM-2400SB 90030 REPOWERTM AIR & FUEL FILTER KIT.
1 . Close choke (Cold Start Position). This prevents dirt from entering
the carburetor throat when the air filter is removed. Brush accumu­lated 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.
SRM-2100SB
SHOWN
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
Level 1.
Tools required: 200-250 mm ( 8 - 10 in.) length of wire with one end
bent into a hook, Clean rag, funnel, and an approved f fuel container.
Parts required:
SRM-2100SB 90008 REPOWERTM AIR & FUEL FILTER KIT. SRM-2400SB 90030 REPOWERTM AIR & FUEL FILTER KIT.
WARNING DANGER
Fuel is VERY flammable. Use extreme care when mixing, storing or handling, otherwise 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.
GRASS TRIMMER/BRUSH CUTTER
SPARK PLUG
Level 2.
Tools required: Scrench (combination socket wrench and screw
driver), Feeler gauge (preferably a wire gauge) , Brush.
Parts Required: Spark Plug, SRM -2100SB NGK BPM-7A
SRM-2400SB NGK BPM-7Y
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.).
OPERATOR'S MANUAL
0.65 mm
(0.026 in.)
23
COOLING SYSTEMS CLEANING
Level 2.
Tools required: Cross Head Screwdriver, 3 mm Hex Wrench, Pointed
Wood Stick, Cleaning brush 25 - 50 mm (1 or 2 in.) medium bristle paint brush).
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.
A
1 . Remove spark plug lead and throttle linkage end from the carburetor
swivel.
2 . Remove the three screws that retain the engine cover (A). Two at the
top of the recoil starter, one in the arm rest. Lift the cover from the engine.
24
3 . Use the wooden stick or brush to remove dirt form cylinder fins.
IMPORTANT
Do not use a metal scraper to remove dirt from the 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 engine cover, be certain the tab of the metal deflector shield is in the slot of the engine cover.
EXHAUST SYSTEM
Spark Arrestor Screen
Level 2.
Tools required: Cross Head Screwdriver, 3 mm Hex Wrench, Soft
Metal Brush, Wooden Carbon Scraper.
Parts Required: Screen P/N 14586240630, Gasket P/N 14586642031 1 . Remove engine cover (A). See “Cleaning Cooling System” pages
26 & 27 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 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.
E
D
C
B
GRASS TRIMMER/BRUSH CUTTER
CARBURETOR ADJUSTMENT
SRM-2100SB Emission Models
Level 2.
Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017) Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli­ance with emission regulations. In addition, the carburetor is equipped with HI and LO needle adjustment limiters that prevent settings outside acceptable limits.
1 . Before adjusting the carburetor, clean or replace the air filter and
spark arrester screen.
OPERATOR'S MANUAL
25
2 . Trimmer line must be extended to the cut-off knife.
3 . Start engine and run for several minutes to reach operating tempera-
ture.
4 . Stop engine. Turn HI speed needle (C) 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 (A) 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.
6 . 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.
7 . Check HI speed RPM at W.O.T. (Wide Open Throttle). HI speed
RPM should be set to specifications found on page 11 "Specifica­tions" of this manual.
C
A
SRM-2100SB
C
B
8 . Check idle speed and reset if necessary. If a tachometer is available,
idle speed should be set to the specification found on page 11 "Specifications" of this manual.
W ARNING DANGER
When carburetor adjustment is completed, the cutting attachment should not turn at idle, otherwise serious personal injury may result.
26
CARBURETOR ADJUSTMENT
SRM-2400SB Emission Models
Level 2.
Tools required: Screwdriver, Tachometer (ECHO P/N 99051130017). Parts required: None.
NOTE
Every unit is run at the factory and the carburetor is set in compli­ance with emission regulations. This carburetor does not have acceleration and high speed adjustment needles. Do not attempt to use carburetor adjustment procedures provided in the Warranty/
Emissions Booklet.
1 . Check idle speed and reset if necessary. If a tachometer is available,
idle speed screw (A) should be set to the specifications found on page 11 "Specifications" of this manual. Turn idle screw (A) clockwise to increase idle speed; counter clockwise to decrease idle speed.
W ARNING DANGER
When carburetor adjustment is completed, the cutting attachment should not turn at idle, otherwise serious personal injury may result.
SRM-2400SB
A
LUBRICA TION
Level 1.
Tools Required: 8 mm Open End Wrench, Screwdriver, Clean Rag Parts Required: ECHO® LUBETM 8 oz. (P/N 91014) or Lithium Base
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
GRASS TRIMMER/BRUSH CUTTER
Drive Shaft (Lower)
IMPORTANT
Lower and upper drive shaft ture automotive grease every 25 hours of operation, otherwise drive shaft assembly overheating and failure can result.
1 . Loosen two (2) screws (A) and remove center locating screw (B).
Pull gear box and shield from drive shaft housing.
2 . Pull flexible cable from the drive shaft housing, wipe clean and
re-coat with a thin coating [15 ml (1/2 oz.)] of ECHO
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.
must be lubricated with high tempera-
LUBETM.
®
OPERATOR'S MANUAL
B
A
27
Drive Shaft (Upper)
1 . Remove coupler from upper drive shaft assembly by loosening
clamping screw (C) and removing set screw (D).
2 . Remove upper flex drive cable, wipe clean and apply a thin coating
15 ml (1/2 oz.) of ECHO® LUBETM.
3 . Install flex drive cable. Make sure that the flex cable engages into the
clutch mount and also into the coupler mount.
4 . Slide coupler on upper drive shaft until fully seated, and align set
screw hole in coupling with hole in upper drive shaft.
5 . Install and tighten set screw (D), and tighten clamping screw (C).
D
C
28
NYLON LINE REPLACEMENT
Level 1.
Tools required: Head locking tool (if head is to be removed)
Parts Required: ECHO 0.095" Nylon Trimmer Line 6m (20 ft.) long.
1. Shut engine off. Lay unit on the ground with head assembly up.
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 arrow marked "CC".
5 . Stop when approximately 15-20 cm (6-8 in.) line (C) remains and
place ends of line in notches (E) in spool (B).
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.
9 . Pull both lines out and trim to cut-off knife length.
B
A
GRASS TRIMMER/BRUSH CUTTER
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 maintenance. 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
Tool required: Flat file (preferred). Electric grinder if special care is used. Round (rat tail) file for gullet (radius).
OPERATOR'S MANUAL
29
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 blade failure.
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.
30
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WARNING DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark by grounding spark plug against cylinder, otherwise serious personal injury may result.
GRASS TRIMMER/BRUSH CUTTER
OPERATOR'S MANUAL
STORAGE
Long Term Storage (over 30 days)
W ARNING 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.
31
W ARNING 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.
3 . Remove accumulation of grease, oil, dirt and debris
from exterior of unit.
4 . Perform all periodic lubrication and services that are
required.
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.
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.
A. Place a clean cloth over the spark plug hole.
B . Pull the recoil starter handle 2-3 times to distribute
the oil inside the engine.
C. Observe the piston location through the spark plug
hole. Pull the recoil starter handle slowly until the piston reaches the top of it's travel and leave it there.
8. Install the spark plug (do not connect spark plug cable).
SERVICING INFORMATION
P ARTS
Genuine ECHO Parts and ECHO REPOWER™ 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 and Serial Number of the unit with you. You can find these numbers on the engine housing. For future reference, write them in the space provided below.
Model No. _____________ SN. ____________
DEALER?
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). Dealer information is also available on our Web Site. When presenting your unit for Warranty service/repairs, proof of purchase is required.
ECHO CONSUMER PRODUCT SUPPORT
If you require assistance or have questions concerning the application, operation or maintenance of this product you may call the ECHO Consumer Product Support Department at 1-800-673-1558 from 8:30 am 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.
1-800-432-ECHO
www.echo-usa.com
CONSUMER PRODUCT
1-800-673-1558
8:30 - 4:30 Mon - Fri C.S.T.
WARRANTY REGISTRATION
You may register your Echo equipment using the warranty registration card or register on-line at www.echo-usa.com. Registering provides a 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 www.echo-usa.com. Operator's and Parts Manuals are available by:
• Downloading free from www.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 will be required for each video.
Call
or
SUPPORT
Available Parts Catalog
SRM-2100SB TYPE 1E S/N 001001 & UP PART NUMBER 99922202870 SRM-2400SB TYPE 1E S/N 563000 & UP PART NUMBER 99922202871
ECHO, INCORPORATED
400 OAKWOOD ROAD
LAKE ZURICH, IL 60047-1564
www.echo-usa.com
SUPPLEMENT TO OPERATOR'S MANUAL PART NUMBER X7532277103 (89861056733) FOR MODEL: SRM-2100SB, SN 520301 & UP
DESCRIPTION Page 7
EMISSION CONTROL
IMPORTANT ENGINE INFORMATION
ENGINE FAMIL Y : 2EHXS.0214RA DISPLACEMENT : 21.2cc EMISSION COMPLIANCE PERIOD : 300 HRS. THIS ENGINE MEETS U.S. EPA PHASE 2 EMISSION REGULATIONS FOR SMALL NONROAD ENGINES. REFER TO OWNER'S MANUAL FOR MAINTENANCE SPECIFICA­TIONS AND ADJUSTMENTS.
Please use this Operator Manual Supplement when assembling and
maintaining your SRM-2100SB
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 U.S. EPA emissions regulations, provided that approved maintenance procedures
are followed as listed in the Maintenance Section of this manual.
PRE-OPERATION Page 17
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 Explana­tion.)
MAINTENANCE
CARBURETOR
Emission Models
ADJUSTMENT Page 25
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 X7532277103 (89861056733)
PARA LOS MODELO: SRM-2100SB S/N 520301 y Superior
Utilice por favor este suplemento manual del operador al ensamblar y manteniendo su SRM-2100SB
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 NONROAD. CONSULTE EN EL MANUAL DEL PROPIETARIO LAS ESPECIFICACIONES Y AJUSTES DE MANTENIMIENTO.
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 de EPA de EE,UU, siempre que se sigan los procedimientos de mantenimiento aprobados según se indican en la sección de
DURABILIDAD DE LAS EMISIONES DEL PRODUCTO
mantenimiento de este manual.
OPERACIÓN PRELIMINAR Page 17
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 25
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.
99922203534
SUP22203534
1
01/02
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