Echo CS-2511T Owner's/operator's Manual
OPERATORS MANUAL
CHAIN SAW
CS-2511T
THIS PRODUCT COMPLIES WITH CAN ICES2/NMB2
WARNING
This chain saw is designed especially for tree service by a trained
operator.
Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.
ECHO, INCORPORATED
400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400
X7503332501
8/18
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For questions regarding terms used in this manual, visit:
https://www.echo-usa.com/Support-Help/Technical-Documents
OR
https://www.shindaiwa-usa.com/Tech-Support/Technical-Documents
WARNING
The engine exhaust from this
product contains chemicals known
to the State of California to cause
cancer, birth defects or other
reproductive harm.
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Copyright
2018
©
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All Rights Reserved.
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WARNING!
RULES FOR SAFE OPERATION
A. Kickback Safety Precautions for Chain Saw Users
KICKBACK may occur when the nose or tip
of the guide bar touches an object, or when
the wood closes in and pinches the saw
chain in the cut.
Tip contact in some cases may cause a
lightning fast reverse REACTION,
Kicking the guide bar up and back towards
the operator.
Pinching the saw chain along the top of the
guide bar may push the guide bar
rapidly back towards the operator.
Either of these reactions may cause you to
lose control of the saw which could result in
serious personal injury.
The Kick GuardTM device is not installed
on the guide bar when you purchase your
ECHO chain saw.
The Kick Guard can be used in a majority of
cutting operations, and is especially
recommended for beginners,
homeowners, or chain saw novices.
Most cutting operations can be
accomplished with the Kick Guard in place.
Do not rely exclusively upon the safety devices built into your saw.
As a chain saw user, you should take
several steps to keep your cutting jobs free
from accident or injury.
1. With a basic understanding of
kickback, you can reduce or eliminate
the element of surprise.
Sudden surprise contributes to
accidents.
2. Keep a good rm grip on the saw with
both hands, the right hand on the rear
handle, and the left hand on the front
handle, when the engine is running.
Use a rm grip with thumbs and
ngers encircling the chain saw
handles.
A rm grip will help you reduce
kickback and maintain control of the
saw.
Don’t let go.
3. Make sure that the area in which you
are cutting is free from obstructions.
Do not let the nose of the guide bar
contact a log, branch, or any other
obstruction which could be hit while
you are operating the saw.
4. Cut at high engine speeds.
5. Do not overreach or cut above
shoulder height.
6. Follow manufacturer’s sharpening
and maintenance instructions for the
saw chain.
7. Only use replacement bars and
chains specied by the manufacturer
or the equivalent.
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B. Other Safety Precautions
1. Do not operate a chain saw with one hand!
Serious injury to the operator, helpers,
bystanders, or any combination of these
persons may result from one-handed
operation.
A chain saw is intended for two-handed use.
2. Do not operate a chain saw when you are
fatigued.
3. Use safety footwear, snug-tting clothing and
protective gloves.
Wear eye, hearing, and head protection
devices.
4. Use caution when handling fuel.
Move the chain saw at least 3 m (10 feet)
from the fueling point before starting the
engine.
5. Do not allow other persons to be near the
chain saw when starting or cutting with the
chain saw.
Keep bystanders and animals out of the
work area.
6. Do not start cutting until you have a clear
work area, secure footing, and a planned
retreat path from the falling tree.
7. Keep all parts of your body away from the
saw chain when the engine is running.
struck when the tension in the wood bers is
released.
14. Keep the handles dry, clean, and free of oil or
fuel mixture.
15. Operate the chain saw only in well ventilated
areas.
16. Do not operate a chain saw in a tree unless
you have been specically trained to do so.
17. All chain saw service, other than items
listed in the Instruction manual maintenance
instructions, should be performed by competent
service personnel.
(For example, if improper tools are used to
remove the ywheel or if an improper tool is
used to hold the ywheel in order to remove
the clutch, structural damage to the ywheel
could occur and could subsequently cause the
ywheel to burst.)
18. When transporting your chain saw, use the
appropriate guide bar scabbard.
19. Spark arrestor muers approved to SAE
Standard J335 are standard on ECHO chain
saws to reduce the possibility of forest res.
Do not operate the chain saw with a loose or
defective muer.
Do not remove the spark arrestor screen.
8. Before you start the engine, make sure that
the saw chain is not contacting anything.
9. Carry the chain saw with the engine stopped,
the guide bar and saw chain to the rear, and
the muer away from your body.
10. Do not operate a chain saw that is damaged,
improperly adjusted, or not completely and
securely assembled.
Be sure that the saw chain stops moving
when the throttle control trigger is released.
11. Shut o the engine before setting the chain
saw down.
12. Use extreme caution when cutting small size
brush and saplings because slender material
may catch the saw chain and be whipped
toward you or pull you o balance.
13. When cutting a limb that is under tension, be
alert for spring-back so that you will not be
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20. When using a chain saw a re
extinguisher should be available.
21. When felling, keep at least 2 tree lengths
between yourself and your fellow
workers.
22. Follow instructions in your operator’s manual
for starting the chain saw.
23. Never adjust the guide bar or saw chain when
the engine operating.
24. When boring with the chain saw, the initial cut
should be introduced with the lower part of the
nose (tip) until the hole is suciently large so
as to introduce the entire nose (tip) of the guide
bar. This technique should reduce the danger
of kickback.
25. Allow your chain saw to cool before
refueling, and do not smoke while
refueling.
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CONTENTS
RULES FOR SAFE OPERATION .................................................................................................................... 3
SYMBOLS AND SIGNS ................................................................................................................................... 5
PACKING LIST ................................................................................................................................................... 7
NOMENCLATURE OF PARTS ....................................................................................................................... 8
OPERATOR SAFETY ........................................................................................................................................ 10
CORRECT USE OF CHAIN BRAKE ................................................................................................................ 11
PREPARATION FOR USE ................................................................................................................................ 12
FUEL AND LUBRICANT .................................................................................................................................. 14
EMISSION DATA .............................................................................................................................................. 16
OPERATION ....................................................................................................................................................... 17
CUTTING INSTRUCTION ................................................................................................................................ 20
CHAIN AND GUIDE BAR COMBINATION ................................................................................................. 25
MAINTENANCE AND CARE .......................................................................................................................... 26
SETTING THE SAW CHAIN ............................................................................................................................ 31
TROUBLESHOOTING ...................................................................................................................................... 33
STORAGE AFTER USE ..................................................................................................................................... 34
TECHNICAL DATA ........................................................................................................................................... 34
WARRANTY STATEMENTS ........................................................................................................................... 35
WARRANTY REGISTRATION SHEET ........................................................................................................... 35
This chain saw is designed for cutting wood or wood products.
Do not cut solid metal, sheet metal, plastic or any non-wood materials.
Specications, 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.
SYMBOLS AND SIGNS
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 death if not avoided.
WARNING
The safety alert symbol accompanied by
the word “WARNING” calls attention to an
act or condition which CAN lead to serious
personal injury or death if not avoided.
CAUTION
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.
NOTICE
This enclosed message provides tips for use,
care and maintenance of the unit.
IMPORTANT
The enclosed message provides information
necessary for the protection of the unit.
CIRCLE AND SLASH SYMBOL
This symbol means the specic action
shown is prohibited. Ignoring these
prohibitions can result in serious or
fatal injury.
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SYMBOL FORM
Symbol form / shape
Symbol description / application
WARNING!!
Read and follow all safety
precaution in the instruction
manual. Failure to follow
instructions could result in
serious personal injury.
Wear eyes, ears and head
protection
Tip contact may cause the
guide bar to move suddenly
upward and backward, which
may cause serious injury
Contact of the guide bar tip
with any object should be
avoided
Both of the operator’s hands
must be used to operate the
chain saw
Hot surface
Symbol form / shape
L
Symbol description / application
Choke control “Cold Start”
position (choke closed)
Oil and gasoline mixture
Chain oil ll
Chain oiler adjustment
Purge pump
Carburetor adjustment
- Low speed mixture
STOP
DECALS
Chain brake operation
Emergency stop
Carburetor adjustment
- High speed mixture
H
Carburetor adjustment
T
Locate this safety decal on your unit. The complete
unit illustration found in the “NOMENCLATURE OF
PARTS” section will help you locate them.
Make sure the decal is legible and that you
understand and follow the instructions on it. If a
decal cannot be read, a new one can be ordered
from your ECHO dealer.
- Idle speed
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PACKING LIST
The ECHO product you purchased has been
factory pre-assembled for your convenience.
Due to packaging restrictions, guide bar and saw
chain installation and other assembly may be
necessary.
ECHO chain saw
Instruction manual Safety manual
OPERATORS
After opening the carton, check for damage.
Immediately notify your retailer or ECHO dealer of
damaged or missing parts.
Use the packing list to check for missing parts.
13 x 16 mm T-wrench, L-wrench (T27)
Sprocket nose bar
Kick Guard
Saw chain
Warranty sheet
• •
• •
• •
• •
• •
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NOMENCLATURE OF PARTS
OPERATORS
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3
5
1
6
7
8
9
10
11
2
12
24
23
22
* If a decal cannot be read, a new one can be
ordered from your ECHO dealer.
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13
15
16
21
20
19
18
17
25
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NOMENCLATURE OF PARTS
1. Operators manual - Included with unit.
Read before operation and keep for future
reference to learn proper, safe operating techniques.
2. Safety manual - Describe operating and safety
instructions for this chain saw.
3. Front hand guard - Guard between the front
handle and the saw chain for protecting the
hand from injuries and aiding in control of the
chain saw if the hand slips o the handle.
This guard is used to lock the chain brake
which is to stop the saw chain rotation.
4. Rear handle (for the right hand) - Support
handle located on the top of the engine housing.
5. Choke control knob - Device for enriching the
fuel/air mixture in the carburetor to aid cold
starting.
Also activates fast idle throttle latch.
6. Muer cover - Cover the muer not to make
operator touch to hot surface of muer.
7. Chain tension adjuster - Device to adjust chain
tension.
8. Clutch cover - Protective cover to the guide bar,
saw chain, clutch and sprocket when the chain
saw is in use.
13. Front handle (for the left hand) - Support
handle located at the left side of the engine
housing.
14. Fuel tank cap - For closing the fuel tank.
15. Oil tank cap - For closing the oil tank.
16. 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.
17. Spark plug cover - Covers spark plug.
18. Spark plug cover lutch - Device for installing
the spark plug cover.
19. Cleaner cover lutch - Device for installing the
air cleaner cover.
20. Air cleaner cover - Covers air cleaner.
21. Purge pump - When starting engine, push
purge pump 3 or 4 times.
22. Throttle trigger - Device activated by the
operator’s nger, for controlling the engine
speed.
23. Throttle trigger lockout - A safety lever which
must be depressed before the throttle trigger
can be activated in order to prevent the
accidental operation of the throttle trigger.
9. Chain catcher - A projection designed to reduce
the risk of the operator’s right hand from being
hit by a chain which has broken or derailed
from the guide bar during cutting.
10. Guide bar - The part that supports and guides
the saw chain.
11. Saw chain - Chain, serving as a cutting tool.
12. Bar tip guard - Anti-kickback device attached on
the bar nose.
24. Ignition switch - Device for connecting and
disconnecting the ignition system and thus
allowing the engine to be started or stopped.
25. Lifting hook - If working o the ground the
operator must be trained in safe climbing
techniques and use of all recommended
safety equipment.
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OPERATOR SAFETY
VIBRATION AND COLD
• It is believed that a condition called Raynaud’s
Phenomenon, which aects 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 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 and
neck, feet and ankles and hands and wrists.
• Maintain good blood circulation by performing
vigorous arm exercises during frequent work
breaks and also by not smoking.
• Limit the number of hours of operation.
Try to ll each day with jobs where operating the chain saw, 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.
REPETITIVE STRESS INJURY
• It is believed that over-using the muscles and
tendons of the nger, hands, arms and
shoulders may cause soreness, swelling,
numbness, weakness and extreme pain to the
areas just mentioned.
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.
• Take periodic breaks to minimize repetition
and rest your hands.
• Reduce the speed and force in which you do
the repetitive movement.
• Do exercises to strengthen hand and arm
muscles.
• See a doctor if you feel tingling, numbness or pain
in your ngers, hands, wrists or arms.
The sooner RSI/CTS is diagnosed, the more likely
permanent nerve and muscle damage can be prevented.
EYE AND HEARING PROTECTION
• Wear eye protection goggles that meet ANSI
Z 87.1 requirements.
Goggles meeting the requirements have the mark
“Z 87” stamped on them.
• Wear hearing protection.
If this guideline is not followed, hearing loss can
occur.
ECHO recommends wearing hearing protection at
all times.
WEAR PROPER CLOTHING
• Snug tting durable clothing should be worn.
Pants should have long legs, do not wear shorts.
Do not wear loose tting clothing, scarves, neckties, jewelry or any item that may become tangled
in surrounding growth or the chain saw itself.
• Wear shoes with non-skid soles.
Do not wear open toed shoes or operate unit barefooted.
• Wear no-slip, heavy duty work gloves to improve
your grip on the chain saw handles.
The gloves also help reduce the transmission of
machine vibration to your hands.
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.
AVOID HOT SURFACES
• During operation, the muer or catalytic muer
and surrounding cover become hot.
• Never suspend the saw on a lanyard with the
engine running.
• Always use the saw from the right-hand side of
your body - never from the left side.
• Always wear proper safety clothing to protect your
lower body from sharp saw chain and hot muer.
• Don't block exhaust area. Always keep exhaust
area clear of ammable debris otherwise serious
property damage or personal injury may result.
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SPARK ARRESTOR MUFFLER
• The spark arrestor muer controls the exhaust
noise and prevents hot, glowing particles of
carbon from leaving the muer.
Make sure the spark arrestor screen is in good
repair and properly seated in the muer.
• Certain internal combustion engines operated on
forest, brush, and/or grass-covered areas in the
states of Washington, Oregon, Idaho, California,
Minnesota, New Jersey and Maine, are required
to be equipped with a spark arrestor.
CORRECT USE OF CHAIN BRAKE
Rotational kickback
Reduced radius belongs on top
Rotational kickback
This requirement also applies to all U.S. Forest Service lands.
In some of these areas, the spark arrestor system
must be certied per USDA Forest Service
Regulation SAE J335.
Check with your local or state authorities for
specic regulations in your area.
Failure to follow these requirements is a violation of
the law.
DANGER
Kickback safety precaution for chain saw
users: Kickback may occur when the nose or
tip of the guide bar touches an object or when
the wood closes in and pinches the saw chain
in the cut.
The installation of a chain brake may be mandatory
by law or as stipulated by insurance regulations in
your area of operation.
You should inquire through local government
oces, your employer or your local dealer to
ensure that your chain saw conforms to the
required safety standard.
ECHO chain brakes have been designed and tested
to comply with international safety standards as follows.
This model needs to use low-kickback chain and bar.
Do not use a combination other than those
specied on page 23.
For your own safety, do not remove the chain brake
system.
USA : ANSI Standard B175.1
Safety Requirement for chain saws
Chain moving downward at impact
Linear kickback
Kickback
Pinch
Canada : CSA Standard Z 62.1 CHAIN SAWS
CSA Standard Z 62.3 KICKBACK
WARNING
ANSI Standard B175.1 and CSA Standard Z 62.1
stipulate that the brake shall stop the chain
0.12 seconds at an engine speed of 13500 r/
min. It is the responsibility of the owner/
operator to ensure that the brake is serviced,
adjusted and tested strictly in accordance
with the instructions as detailed herein in
order to ensure that the brake performance is
maintained in compliance with the Standards
B175.1 and Z62.1.
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