Echo Chainsaw X750020201 User Manual

Chain Saw  
Instruction Manual  
MODELS : CS-352  
WARNING  
Users of this equipment risk injury to themselves and others if the unit is used improperly and/or safety  
precautions are not followed. ECHO provides an operator’s manual and a safety manual. Both must be  
read and understood for proper and safe operation. Failure to do so could result in serious injury.  
X750020201  
02/12  
X7503272501  
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B. Other Safety Precautions  
1.Do not operate a chain saw with one hand!  
11.Shut off the engine before setting the chain  
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.  
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 off balance.  
2.Do not operate a chain saw when you are  
13.When cutting a limb that is under tension, be  
alert for spring-back so that you will not be  
struck when the tension in the wood fibers is  
released.  
fatigued.  
3.Use safety footwear, snug-fitting clothing  
and protective gloves. Wear eye, hearing,  
and head protection devices.  
14.Keep the handles dry, clean, and free of oil  
or fuel mixture.  
4.Use caution when handling fuel. Move the  
chain saw at least 3 m (10 feet) from the  
fueling point before starting the engine.  
15.Operate the chain saw only in well ventilated  
areas.  
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.  
16.Do not operate a chain saw in a tree unless  
you have been specifically 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.  
6.Do not start cutting until you have a clear  
work area, secure footing, and a planned  
retreat path from the falling tree.  
(For example, if improper tools are used to  
remove the flywheel or if an improper tool is  
used to hold the flywheel in order to remove  
the clutch, structural damage to the flywheel  
could occur and could subsequently cause  
the flywheel to burst.)  
7.Keep all parts of your body away from the  
saw chain when the engine is running.  
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 muffler away from your body.  
When carrying a chain saw with the engine  
running, push the front hand guard forward  
to engage the chain brake.  
18.When transporting your chain saw, use the  
appropriate guide bar scabbard.  
19.Spark arrestor mufflers approved to SAE  
Standard J335 are standard on ECHO chain  
saws to reduce the possibility of forest fires.  
Do not operate the chain saw with a loose or  
defective muffler. Do not remove the spark  
arrestor screen.  
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.  
CS-352  
3
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CONTENTS  
RULES FOR SAFE OPERATION ............................................................................ 2  
SYMBOLS AND SIGNS ........................................................................................... 4  
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 ............................................................................................................ 16  
CUTTING INSTRUCTION........................................................................................ 19  
CHAIN AND GUIDE BAR COMBINATION............................................................... 24  
MAINTENANCE AND CARE.................................................................................... 25  
- Carburetor Adjustment ........................................................................................... 26  
- High Altitude Operation ........................................................................................ 26  
SETTING THE SAW CHAIN .................................................................................... 30  
TROUBLESHOOTING ............................................................................................. 32  
STORAGE AFTER USE........................................................................................... 33  
TECHNICAL DATA................................................................................................... 33  
WARRANTY STATEMENTS.................................................................................... 34  
This chain saw is designed for cutting wood or wood products. Do not cut solid metal,  
sheet metal, plastic or any non-wood materials.  
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.  
SYMBOLS AND SIGNS  
CIRCLE AND SLASH SYMBOL  
This symbol means the specific action  
shown is prohibited. Ignoring these  
prohibitions can result in serious or  
fatal injury.  
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.  
NOTICE  
WARNING  
This enclosed message provides tips for use,  
care and maintenance of the unit.  
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.  
IMPORTANT  
The enclosed message provides information  
necessary for the protection of the unit.  
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.  
CS-352  
4
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SYMBOL FORM  
DECALS  
REPLACEMENT BAR AND CHAIN  
GUIDE BAR*  
PART NO.  
CHAIN*  
TO AVOID KICKBACK  
1. Hold the chain saw firmly with both  
hands.  
CS-352  
PART NO.  
12” 12A0CD3745  
14” 14A0CD3752  
16” 16A0CD3757  
91VG45CQ / 91P45CQ  
91VG52CQ / 91P52CQ  
91VG57CQ / 91P57CQ  
WARNING!! Read and follow all  
safety precaution in the instruction  
manual. Failure to follow  
2. Don’t let the nose of the guide bar  
contact any obstruction.  
3. Tip contact may suddenly move the  
guide bar upward and backward,  
which may cause serious injury.  
instructions could result in serious  
personal injury.  
Note: There may be other replace-  
ment components for achieving  
kickback protection. For details,  
please refer to the chain and bar  
combination sheet shown in the  
instruction manual.  
Locate these safety decals on your unit. 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.  
CS-352  
5
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WARNING  
During operation, the muffler or catalytic muffler 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 muffler.  
Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise  
serious property damage or personal injury may result.  
WARNING  
Moving parts can amputate fingers 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  
Using improper replacement components or removing safety devices may result in serious or fatal injury.  
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.  
CS-352  
6
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Emission Data  
Emission Control (Exhaust & EvaporativE)  
EPA 2010 and Later and/or C.A.R.B. TIER III  
e emission control system for the engine is EM (engine  
modification) and, if the second to last character of the Engine  
Family on the Emission Control Information label (sample  
below) is “C, K, or “T, the emission control system is EM  
and TWC (3-way catalyst). e fuel tank/fuel line emission  
control system is EVAP (evaporative emissions). Evaporative  
emissions for California models may only be applicable to fuel  
tanks.  
An Emission Control Label is located on the engine. (is  
is an EXAMPLE ONLY, information on label varies by  
engine FAMILY).  
PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD)  
e 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emis-  
sions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as  
listed in the Maintenance Section of this manual.  
PACKING LIST  
The ECHO product you purchased has been factory  
After opening the carton, check for damage. Immediately  
pre-assembled for your convenience. Due to packag-  
notify your retailer or ECHO dealer of damaged or miss-  
ing parts. Use the packing list to check for missing parts.  
other assembly may be necessary.  
ing restrictions, guide bar and saw chain installation and  
ECHO chain saw  
Assembly Tool (s)  
ECHO Power Blend X™ 2-stroke oil sample  
Instruction manual  
Safety manual  
Guide bar  
Saw chain  
Chain Saw  
Instruction Manual  
MODELS  
:
CS-352  
Kick Guard®  
WARNING  
DANGER  
This chain saw is intended for professional or experienced chain saw operators. Read and understand  
the instructions contained in this manual and the Safety Manual and follow the rules for safe operation.  
Failure to do so could result in serious injury.  
X750015400  
08/11  
X7503270900  
Warranty registration card  
CS-352  
7
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NOMENCLATURE OF PARTS  
3
Chain Saw  
Instruction Manual  
4
MODELS : CS-352  
1
5
WARNING  
DANGER  
This chain saw is intended for professional or experienced chain saw operators. Read and understand  
the instructions contained in this manual and the Safety Manual and follow the rules for safe operation.  
Failure to do so could result in serious injury.  
X750015400  
08/11  
X7503270900  
6
22  
7
12  
8
2
9
10  
11  
21  
4
13  
14  
20  
19  
15  
22  
16  
17  
18  
CS-352  
8
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NOMENCLATURE OF PARTS  
1.  
Instruction manual - Included with unit. Read  
11.  
Saw chain - Chain, serving as a cutting tool.  
before operation and keep for future reference to  
learn proper, safe operating techniques.  
12. Bar tip guard - Anti-kickback device attached on  
the bar nose.  
2.  
3.  
Safety manual - Describe operating and safety  
instructions for this chain saw.  
13. Oil tank cap - For closing the oil tank.  
14. Front handle (for the left hand) - Support handle  
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 off the handle. This guard is used  
to lock the chain brake which is to stop the saw  
chain rotation.  
located at the front of the engine housing.  
15. Starter handle - 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.  
16. Fuel tank cap - For closing the fuel tank.  
4.  
Choke control knob - Device for enriching the  
fuel/air mixture in the carburetor to aid cold start-  
ing.  
17. Ignition switch - Device for connecting and dis-  
connecting the ignition system and thus allowing  
the engine to be started or stopped.  
5.  
6.  
Purge pump - When starting engine, push purge  
pump 3 or 4 times.  
18. Throttle trigger - Device activated by the opera-  
tor’s finger, for controlling the engine speed.  
Rear hand guard - Extension on the lower part of  
the rear handle for protecting the hand from the  
chain if it breaks or degrooves.  
19. Rear handle (for the right hand) - Support han-  
dle located towards the rear of the engine hous-  
ing.  
7.  
Clutch cover - Protective cover to the guide bar,  
saw chain, clutch and sprocket when the chain  
saw is in use.  
20. 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.  
8.  
9.  
Chain tension adjuster - Device to adjust chain  
tension.  
21. Cylinder cover - The cooling airflow grill. It covers  
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.  
the cylinder, air filtter, spark plug and silencer.  
22. Cylinder cover latch - Secures cylinder cover.  
10. Guide bar - The part that supports and guides the  
saw chain.  
CS-352  
9
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OPERATOR SAFETY  
VIBRATION AND COLD  
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.  
• It is believed that a condition called Raynaud’s Phe-  
nomenon, which affects the fingers of certain individu-  
als, may be brought about by exposure to vibration  
and cold.  
Exposure to vibration and cold may cause tin-  
gling and burning followed by loss of color and  
n u m b n e s s i n t h e fi n g e r s .  
The following precautions are strongly recommended  
because the minimum exposure which might trigger  
the ailment is unknown.  
If this guideline is not followed, hearing loss can occur.  
ECHO recommends wearing hearing protection at all  
times.  
WEAR PROPER CLOTHING  
• Snug fitting durable clothing should be worn. Pants  
should have long legs, DO NOT WEAR SHORTS.  
Do not wear loose fitting clothing, scarves, neckties,  
jewelry or any item that may become tangled in sur-  
rounding growth or the chain saw itself.  
• Wear shoes with non-skid soles.  
DO NOT wear open toed shoes or operate unit bare-  
footed.  
• Wear no-slip, heavy duty work gloves to improve your  
grip on the chain saw handles.  
• Keep your body warm, especially the head and neck,  
feet and ankles and hands and wrists.  
• Maintain good blood circulation by performing vigor-  
ous arm exercises during frequent work breaks and  
also by not smoking.  
• Limit the number of hours of operation.  
Try to fill 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 fingers, followed by whitening and loss of feeling,  
consult your physician before further exposing yourself  
to cold and vibration.  
The gloves also help reduce the transmission of ma-  
chine vibration to your hands.  
HOT HUMID WEATHER  
REPETITIVE STRESS INJURY  
• It is believed that over-using the muscles and tendons  
of the finger, hands, arms and shoulders may cause  
soreness, swelling, numbness, weakness and extreme  
pain to the areas just mentioned.  
• Heavy protective clothing can increase operator  
fatigue which may lead to heat stroke.  
Schedule heavy work for early morning, or late after-  
noon hours when temperatures are cooler.  
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.  
AVOID HOT SURFACES  
• During operation, the muffler or catalytic muffler 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.  
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.  
• Always wear proper safety clothing to protect your  
lower body from sharp saw chain and hot muffler.  
• Always keep exhaust area clear of flammable debris  
during transportation or when storing, otherwise seri-  
ous property damage or personal injury may result.  
• Reduce the speed and force in which you do the re-  
petitive movement.  
• Do exercises to strengthen hand and arm muscles.  
• See a doctor if you feel tingling, numbness or pain in  
your fingers, hands, wrists or arms. The sooner RSI/  
CTS is diagnosed, the more likely permanent nerve  
and muscle damage can be prevented.  
CS-352  
10  
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SPARK ARRESTOR MUFFLER  
• The spark arrestor muffler controls the exhaust  
noise and prevents hot, glowing particles of  
carbon from leaving the muffler. Make sure the  
spark arrestor screen is in good repair and prop-  
erly seated in the muffler.  
• 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.  
This requirement also applies to all U.S. Forest  
Service lands.  
In some of these areas, the spark arrestor system  
must be certified per USDA Forest Service Regula-  
tion SAE J335.  
Check with your local or state authorities for spe-  
cific regulations in your area.  
Failure to follow these requirements is a violation  
of the law.  
CORRECT USE OF CHAIN BRAKE  
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.  
Rotational kickback  
Chain moving downward at contact  
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 of-  
fices, your employer or your local dealer to ensure  
that your chain saw conforms to the required safety  
standard.  
Rotational kickback  
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 speci-  
fied on page 24.  
For your own safety, do not remove the chain brake  
system.  
Pinch  
USA  
: ANSI Standard B175.1 - 2000  
Safety Requirement for chain saws  
Canada : CSA Standard Z 62.1 CHAIN SAWS  
WARNING  
ANSI Standard B175.1 - 2000 stipulates 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 Standard  
B175.1 - 2000.  
Kickback Danger  
Zone  
CS-352  
11  
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PREPARATION FOR USE  
WARNING  
Saw chain is sharp! Always wear gloves when  
handling assembly, otherwise serious personal  
injury may result.  
WARNING  
Using improper replacement components or remov-  
ing safety devices may result in serious or fatal  
injury.  
KICK GUARD® TO BAR INSTRUC-  
TIONS  
Bolt (A)  
Dimple (D)  
1. Install bolt (A) in rear hole (B) of Kick Guard® and  
through front hole (C) in guide bar.  
2. IMPORTANT: Dimple (D) in Kick Guard® must en-  
Kick Guard®  
gage recess (E) in guide bar.  
Rear hole (B)  
3. Tighten nut (F) and bolt (A) using 11 mm (7/16 in.)  
wrenches until snug. Make certain Kick Guard® is  
flush against guide bar.  
Recess (E)  
Front hole (C)  
4. Tighten nut (F) 1/8 additional turn.  
5. Check to make certain Kick Guard® is tight on guide  
bar.  
Nut (F)  
Guide bar  
GUIDE BAR AND SAW CHAIN IN-  
STALLATION/REMOVAL  
1. Remove spark plug lead. (See page 25)  
Unlock chain brake  
2. Remove two clutch cover nuts and remove clutch  
Brake lever  
(Front hand guard)  
cover.  
3. Remove bar and saw chain if necessary. See “Main-  
tenance and Care” section for guide bar/saw chain  
maintenance procedures.  
Two nuts  
Clutch cover  
CS-352  
12  
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4. Unlock the chain brake, and mount guide bar on studs  
and slide toward clutch to make saw chain installation  
easier. Install chain with cutters on top of guide bar  
facing forward.  
Clutch  
Guide bar studs  
Adjuster pin  
Guide bar  
adjuster  
hole  
5. Install the clutch cover over the guide bar studs. En-  
sure chain tension adjuster pin fits into the guide bar  
adjuster hole. Tighten clutch cover nuts finger tight.  
Nuts  
Clutch cover  
ADJUSTING CHAIN TENSION  
Unlock chain brake  
IMPORTANT  
Always loosen clutch cover nuts before turning the  
chain tension adjuster, otherwise the clutch cover and  
tensioner will be damaged.  
1. Remove spark plug lead. (See page 25)  
2. Unlock chain brake and loosen two clutch cover nuts,  
if necessary.  
Direction to tension the chain  
Adjusting screw  
3. Hold the bar nose up, and turn the adjuster screw  
clockwise until chain fits snugly against underside of  
the bar.  
4. Tighten both nuts with the bar nose held up.  
Proper tension Improper tension  
5. Pull the chain around the bar by hand. Loosen the  
adjustment if you feel tight spots.  
6. When chain is properly tensioned, tighten clutch cover  
nuts securely - 20 to 23 N·m (175 to 200 in. lb.).  
7. Keep chain properly tensioned at all times.  
CS-352  
13  
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FUEL AND LUBRICANT  
FUEL STATEMENT  
GASOLINE - Use 89 Octane [(R+M)/2] (mid grade or  
higher) gasoline or gasohol known to be good quality.  
Gasohol may contain up to 10 % Ethyl (grain) alcohol or  
15 % MTBE (methyl teriary-butyl ether). Gasohol con-  
taining methyl (wood) alcohol is NOT approved.  
WARNING  
Alternative fuels, such as E-15 (15 %  
ethanol), E-85 (85 % ethanol) or any fuels  
not meeting ECHO requirements are NOT  
approved for use in ECHO 2-stroke gasoline  
engines.  
TWO-STROKE OIL - A two-stroke engine oil meeting  
ISO-L-EGD (ISO/CD 13738) and JASO M345-FD Stand-  
ards must be used. ECHO brand premium Power Blend  
X™ Universal 2-Stroke Oil meets these standards. En-  
gine problems due to inadequate lubrication caused by  
failure to use an ISO-L-EGD (ISO/CD 13738) and JASO  
M345-FD certified oil, such as ECHO premium Power  
Blend X™, will void the two-stroke engine warranty.  
Use of alternative fuels may cause  
performance problems, loss of power,  
overheating, fuel vapor lock, and unintended  
machine operation, including, but not limited  
to, improper clutch engagement.  
Alternative fuels may also cause premature  
deterioration of fuel lines, gaskets,  
carburetor and other engine components.  
Fuel Mix Chart 50 : 1  
US.  
METRIC  
Gasoline  
Gasoline  
Oil  
Oil  
Gallons  
US. fl. oz.  
L
mL  
1
2
5
2.6  
5.2  
13  
4
8
20  
80  
160  
400  
IMPORTANT  
• ECHO premium Power Blend X™ Universal  
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.  
• Use of unmixed, improperly mixed, or fuel older  
than 90 days, (stale fuel), may cause hard  
starting, poor performance, or severe engine  
damage and void the product warranty. Read  
and follow instructions in the Storage section of  
this manual.  
CS-352  
14  
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HANDLING FUEL  
MIXING INSTRUCTIONS -  
1. Fill an approved fuel container with half of the required  
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 outdoors over bare  
ground.  
• Securely tighten fuel cap after refueling.  
• Inspect for fuel leakage.  
If fuel leakage is found, do not start or operate  
unit until leakage is repaired.  
• Move at least 3 m (10 feet) from refueling location  
before starting the engine.  
amount of gasoline.  
2. Add the proper amount of two-stroke oil to gasoline.  
3. Close container and shake to mix oil with gasoline.  
4. Add remaining gasoline, close fuel container, and re-  
mix.  
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.  
• 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.  
• Stored two-stroke fuel may separate. ALWAYS shake  
fuel container thoroughly before each use.  
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 precau-  
tion, store fuel in an approved, airtight container. Store in  
a well-ventilated, unoccupied building, away from sparks  
and flames.  
CHAIN LUBRICANT  
Cap indication  
Oil/fuel tanks are indicated by the following  
illustrations.  
Proper lubrication of the chain while in operation reduces  
friction between the chain and the guide bar to a mini-  
mum and assures a longer service life.  
• Use bar and chain oil of high quality for this purpose.  
• Do not use used or reclaimed oil to avoid various oiler  
problems.  
• Use ECHO bar and chain oil.  
• When ECHO bar and chain oil is not available:  
Use motor oil, etc.  
• Use bar and chain oil of the following grades:  
SAE No. 30....... in summer  
Oil tank cap  
Fuel tank cap  
SAE No. 10....... in winter or when cutting resinous  
trees.  
• When refueling, also refill chain oil.  
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opEration  
WARNING  
Moving parts can amputate fingers 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 com-  
plete stop before removing obstructions, clearing debris, or servicing unit.  
WARNING  
Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause uncon-  
sciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is  
directed away from your face and body.  
WARNING  
Operation of this equipment may create sparks that can start fires. This unit is equipped with a spark arrestor to  
prevent discharge of hot particles from the engine. Metal blade use also can create sparks if the blade strikes  
rocks, metal, or other hard objects. Contact local fire authorities for laws or regulations regarding fire prevention  
requirements.  
WARNING  
The ignition components of this machine generate an electromagnetic field during operation which may interfere  
with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult  
with their physician and the pacemaker manufacturer before operating this machine. In the absence of such  
information, ECHO does not recommend the use of ECHO products by anyone who has a pacemaker.  
CS-352  
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WARNING  
Chain brake  
• After choke control knob is pulled and then knob  
is returned to original position, throttle remains  
slightly open (latch condition).  
•The chain will attempt to rotate when  
engine is started with throttle latch engaged.  
•Do not start engine before chain brake is  
activated.  
Ignition switch  
Start / Run  
CAUTION  
• After starting the engine, squeeze throttle trigger  
slightly to release throttle latch, otherwise brake  
damage may occur.  
• Never use throttle latch for cutting.  
• Use the throttle latch only in starting.  
Choke control knob  
Choke  
WHEN THE ENGINE IS COLD  
Purge pump  
CAUTION  
Make sure the bar and chain are free from any  
obstruction when starting the chain saw.  
• Move chain brake lever fully forward to lock chain  
brake before starting.  
• Fill the fuel tank with fuel mixture.  
It is not permitted to fill fuel above the shoulder level  
of fuel tank.  
Starter handle  
• Fill the chain oil tank with lubricant.  
Do not over fill.  
Chain brake  
• Move ignition switch to “RUN” position.  
• Push purge pump 3 to 4 times or until fuel is visible in  
purge pump.  
• Pull choke control knob all the way out. (Choke posi-  
tion)  
NOTE  
Ignition switch  
Do not pull starter rope out to the maximum possible  
position.  
Start / Run  
Do not allow recoil handle to snap back against the  
casing.  
• Securely hold the chain saw as shown and pull starter  
handle several times until first firing sound.  
• Push choke control knob all the way in.  
• Pull starter handle to start the engine.  
Choke control knob  
Choke  
• When engine starts, immediately squeeze throttle trig-  
ger, to release throttle latch.  
Purge pump  
CAUTION  
Do not increase engine speed while chain brake is  
locked.  
NOTE  
If engine does not start after 5 pulls, repeat instruc-  
tions.  
Starter handle  
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WHEN THE ENGINE IS WARM  
CAUTION  
Make sure the bar and chain are free from any  
obstruction when starting the chain saw.  
Chain brake  
• Move chain brake lever fully forward to lock chain  
brake before starting.  
• Confirm there is fuel and chain oil in the tanks.  
• Move ignition switch to “RUN” position.  
• Securely hold the chain saw as shown and pull  
starter handle.  
Choke control knob  
Open choke  
• Choke may be used if necessary, but after first firing  
sound, pull throttle trigger to release choke.  
NOTE  
If engine does not start after 5 pulls, repeat instruc-  
tions.  
Unlock chain brake  
RUNNING  
• When engine starts, keep idling for a few minutes.  
• Set the brake lever in the unlocked position before  
starting to cut.  
• Pull throttle trigger gradually and increase revolution  
of the engine.  
• The chain starts running when the engine reaches  
4,200 r/min approximately.  
• Confirm proper acceleration and lubrication of chain  
and bar. (Non-adjustable automatic oil pump)  
• Do not run the engine at high speed unnecessarily.  
• Be sure that saw chain stops moving when throttle  
trigger is released.  
Ignition switch  
STOP  
STOPPING  
• Release throttle trigger and move ignition switch down  
to “STOP” position.  
Throttle trigger  
NOTICE  
If engine does not stop, pull choke control knob out  
fully to stop engine.  
Return the unit to your authorized ECHO dealer  
to check and repair stop switch before starting the  
engine again.  
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CHECKING CHAIN TENSION  
Chain tension should be checked frequently during  
work and corrected as necessary.  
CAUTION  
Do not operate with a loose chain.  
CHAIN LUBRICATION TEST  
Hold the chain just above a dry surface and open the  
throttle to half speed for 30 seconds.  
A thin line of “thrown” oil should be seen on the dry  
surface.  
CUTTING INSTRUCTION  
GENERAL  
CAUTION  
• Read the ECHO “CHAIN SAW SAFETY MANUAL”  
included with your chain saw for additional  
cutting and safety instructions.  
• Wear suitable hearing protection such as  
earmuffs or earplugs to protect against  
objectionable or uncomfortable loud noises.  
• Do not let the tip of the bar touch anything while  
the engine is running.  
At cutting speed the chain is moving at a high  
rate of speed.  
Should the tip contact a limb or log while the  
chain is moving, the tip will be pushed upward  
with considerable force.  
This is known as kickback. Avoid it!  
In all circumstances the operation of the chain saw is a  
one-man job.  
It is difficult at times to take care for your own safety, so  
don’t assume the responsibility for a helper as well.  
After you have learned the basic techniques of using the  
saw, your best aid will be your own good common sense.  
Kickback  
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The accepted way to hold the saw is to stand to the left  
of the saw with your left hand on the front handlebar and  
your right hand on the rear handle so you can operate  
the throttle trigger with your right index finger.  
Before attempting to fell a tree, cut some small logs or  
limbs.  
Become thoroughly familiar with the controls and the  
responses of the saw.  
Start the engine, see that it is running properly.  
Squeeze the trigger to open the throttle wide open and  
start the cut. If the chain is properly sharpened, the cut-  
ting should be relatively effortless.  
It is not necessary to press down hard to make the saw  
cut.  
Pushing the saw too hard will slow the engine and cut-  
ting will actually be more difficult.  
Some material may adversely affect the housings of your  
chain saw.  
(Example palm Tree Acid, fertilizer etc.)  
To avoid housing deterioration, carefully remove all  
packed sawdust around clutch and guide bar area and  
wash with water. Coat metal parts with light oil.  
FELLING THE TREE  
A falling tree can seriously damage anything it may hit -  
a car, a house, a fence, a power-line, or another tree.  
There are ways to make a tree fall where you want it, so  
first decide where that is!  
Before cutting, clear the area around the tree.  
You will need good footing while working and you  
should be able to work the saw without hitting any ob-  
stacles.  
3 m (10 feet)  
Retreat  
Direction of fall  
45°  
Next, select a path of retreat.  
When the tree begins to fall you should retreat away  
from the direction of fall at a 45-degree angle and at  
least 3 m (10 feet) from the trunk to avoid the trunk kick-  
ing back over the stump.  
Retreat  
Not this way  
Direction of fall  
Begin the cut on the side to which the tree is to fall. Cut  
a notch about 1/3 of the way into the tree. The position  
of this notch is important since the tree will try to fall  
“into” the notch.  
Hinge  
5 cm (2 in.)  
The felling cut is made on the side opposite the notch  
and at a level about 5 cm (2 in.) above the bottom of the  
notch.  
First cut  
Felling cut  
Do not try to cut through to the notch with the felling cut.  
The remaining wood between the notch cut and felling  
cut about 5 cm (2 in.) will act as a hinge when the tree  
falls, guiding it in the desired direction.  
Notch  
5 cm (2 in.)  
Second cut  
When the tree starts to fall, kill the engine, place the  
saw on the ground and make your retreat quickly.  
One-third tree diameter  
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To fell big trees with a diameter exceeding twice the bar  
length, start the notching cuts from one side and draw  
the saw through to the other side of the notch.  
Start the back cut on one side of the tree, pivoting the  
saw through to form the desired hinge on that side.  
Then remove the saw for the second cut. Insert the saw  
in the first cut, very carefully so as not to cause kick-  
back.  
3
2
1
The final cut is made by drawing the saw forward in the  
cut to reach the hinge.  
LIMBING  
Limbing a fallen tree is much the same as bucking.  
Never stand on the tree that you are limbing.  
When limbing, caution is the word.  
Be careful of the tip touching other limbs.  
Always use both hands.  
Don’t cut with the saw overhead or aligned vertically with  
your body. If the saw should kickback, you may not have  
enough control to prevent possible injury.  
BUCKING  
Bucking is the sawing of a log or fallen tree into smaller  
pieces.  
There are a few basic rules which apply to all bucking  
operations.  
Keep both hands on the handles at all times. Support  
logs if possible.  
When cutting on a slope or hillside, always stand uphill.  
Keep in mind that the wood is heavy and that it will bend  
and pinch the saw if improperly supported. The trunk  
will weaken at the point where you make the cut unless  
the tree is lying on perfectly flat ground or supported as  
shown. If you make the cut with the tree on the ground,  
don’t let the saw’s chain dig into the earth; it is harmful  
for the saw, and you stand a good chance of being struck  
by flying debris.  
To cut the trunk, use the bucking and two-cut sequence  
shown. The first cut should be no deeper than one-third  
the trunk diameter.  
Uphill position  
DANGER  
• Kickback is generated when the rotation of the  
chain is arrested for some reason.  
The most dangerous effect of this action occurs  
when the nose of the bar contacts another object,  
the chain is momentarily stopped and all the  
energy of the engine throws the bar upwards and  
backwards towards the operator.  
• The chain saw industry and government  
agencies have attempted to prescribe various  
safety devices, but the best protection is to avoid  
kickback.  
Finish cut  
First cut  
Board or flat stones  
• Comply with the safety precautions as listed in  
this Manual and Safety Manual.  
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CHAIN BRAKE OPERATION  
• Set the lever in the unlocked position before starting  
to cut.  
Kickback motion  
• If the brake is tripped by kickback reaction, the chain  
will stop immediately. Release the throttle to avoid  
possible damage to the engine or clutch.  
Improper thrust cutting  
• Do not attempt to operate the engine with the brake  
locked.  
Kickback motion  
TESTING THE BRAKE  
• Start the engine on a solid level surface and run at a  
fast idle until warm.  
• Hold the saw firmly by the handles and accelerate the  
engine to a fast idle.  
• Slowly operate the chain brake lever while holding  
the saw firmly on the ground.  
When the bar nose hits another tree, etc.  
When the brake lever trips, the chain should stop.  
Immediately release the throttle trigger.  
Chain brake function  
When the lever is pushed forward, chain brake  
instantly stops the chain.  
WARNING  
If the chain does not stop immediately, return the  
saw to your authorized ECHO dealer for repair.  
NOTICE  
For practice, while cutting a small tree, push the  
lever forward to lock the brake.  
Confirm that the brake works properly before each  
use.  
If the chain brake is clogged with wood chips, func-  
tion of the brake may deteriorate. Always keep the  
device clean.  
Chain brake unlock  
When the lever is fully pulled toward the  
operator, brake is unlocked.  
Do not increase engine revolution while the chain  
brake is locked.  
When using throttle latch at starting, keep the chain  
brake locked.  
IMPORTANT  
Do not allow the saw to tip forward in order to avoid  
damage to the chain.  
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AUTOMATIC CHAIN BRAKE  
End of the guide bar may be placed at the  
height of about 55 cm (22 in.).  
Kickback produced from the tip of the guide bar will trip  
the automatic chain brake. To make sure that the auto-  
matic chain brake operates properly, follow these steps:  
1. Stop the engine.  
2. Hold the saw with the guide bar approximately 55 cm  
(22 in.) above a wooden surface. Right hand should  
hold the rear handle, and left hand should hold the front  
handle.  
55 cm  
(22 in.)  
3. Release the front handle and drop the end of the guide  
bar against the wooden surface.  
4. The impact should lock the chain brake.  
IMPORTANT  
When checking the operation of the automatic chain  
brake, use a soft surface substance like wood to  
provide the impact so the chain is not damaged.  
Rear handle should be gripped lightly with the  
right hand.  
WINTER OPERATION  
Use the winter plug to prevent carburetor trouble in winter.  
Warm weather  
Cold weather  
“storage” position  
• Release the cylinder cover latch and remove cylinder  
cover. Remove plug from warm weather position, and  
install into cold weather “storage” position.  
position  
NOTICE  
For operation at normal temperature return the plug  
to its original place. (5°C, 41°F)  
It causes over heating of the engine.  
Plug  
Warm weather  
position  
Cylindner  
cover  
Cold weather  
“storage” position  
CS-352  
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CHAIN AND GUIDE BAR COMBINATION  
The following combinations are recommended for model CS-352.  
Guide Bar  
Part No.  
Saw chain  
Length  
Pitch  
Part No.  
Links  
mm (in)  
mm (in)  
Double Guard  
305 (12)  
356 (14)  
406 (16)  
12A0CD3745  
14A0CD3752  
16A0CD3757  
9.53 (3/8)  
9.53 (3/8)  
9.53 (3/8)  
91VG45CQ, 91P45CQ  
91VG52CQ, 91P52CQ  
91VG57CQ, 91P57CQ  
45  
52  
57  
WARNING  
Use of replacement saw chain and/or guide bar other than that specified, or operation without the “tip guard” in place,  
may cause severe kickback resulting in serious injury.  
Only use replacement guide bar and saw chain that has been designated as meeting the ANSI B175.1 - 2000  
and/or CSA Z62.3 requirements. All of the guide bar and chain combinations listed above meet the ANSI  
B175.1-200 and/or CSA Z62.3 requirements.  
IMPORTANT  
Chain and guide bar gauge size must be identical. Use Bar/Chain combinations shown in table above.  
IMPORTANT  
If your kick guard is damaged or lost, contact your Echo dealer for a replacement. For the name of the  
Refer to your Chain Saw Safety Manual for kick guard application information.  
SAW CHAIN  
GUIDE BAR  
(Low-kickback)  
(Low-kickback)  
Replacement guide bars.  
The following guide bars may be considered to  
CAUTION  
have equivalent kickback energy.  
Do not use replacement saw chain unless  
• Sprocket nose guide bars of the same length and  
it has been designated as meeting the  
nose radius, same pitch and having the same  
ANSI B175.1 - 2000 kickback performance  
number of teeth.  
requirements, when tested on the  
• Hard nose guide bars of the same length and  
representative sample of chain saws below  
nose radius as a sprocket nose bar.  
3.8 c.i.d. specified in ANSI B175.1 - 2000.  
NOTE  
LOW KICKBACK SAW CHAIN meets the  
kickback performance requirements of ANSI  
B175.1 - 2000 (safety requirements for gasoline-  
powered chain saws).  
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MAINTENANCE AND CARE  
WARNING  
Moving parts can amputate fingers 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 com-  
plete stop before removing obstructions, clearing debris, or servicing unit. Allow unit to cool before performing  
service. Wear gloves to protect hands from sharp edges and hot surfaces.  
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 Ser-  
vice 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 the task is not listed see your Echo dealer for repairs.  
skill lEvEls  
Level 1 =  
Level 2 =  
Easy to do. Common tools may be required.  
Moderate difficulty. Some specialized tools may be required.  
ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier.  
maintEnanCE intErvals  
REQ'D  
SKILL  
LEVEL  
DAILY OR  
BEFORE  
USE  
3 MONTHS  
OR 90  
HOURS  
COMPONENT/  
SYSTEM  
MAINTENANCE  
PROCEDURE  
EVERY  
REFUEL  
YEARLY 600  
HOURS  
Air Filter  
Inspect/Clean  
1
1
1
1
1
1
I / C *  
R *  
Automatic Oiler  
Oil Filter  
Inspect/Adjust  
Inspect/Replace  
Inspect/Replace  
Inspect/Replace  
Replace  
I
I
I/C *  
Fuel System  
Fuel Filter  
I (1) *  
I (1) *  
I *  
I *  
I / R *  
R *  
Fuel Cap Gasket  
Guide Bar & Sprocket  
Nose  
Inspect/Clean/Lubricate  
1
2
I / C *  
I
Inspect/Sharpen/Replace/  
Tensioning  
Saw Chain  
I *  
I *  
Sprocket  
Inspect/Replace  
Inspect/Clean  
Inspect/Clean  
2
1
2
2
2
1
1
Spark Plug  
Cooling System  
I / C / R *  
I / C  
Muffler Spark Arrestor Inspect/Clean/Replace  
Cylinder Exhaust Port Inspect/Clean/Decarbon  
I / C / R *  
I / C  
Recoil Starter Rope  
Screws/Nuts/Bolts  
Inspect/Clean  
I / C *  
I *  
Inspect/Tighten/Replace  
MAINTENANCE PROCEDURE LETTER CODES: I = INSPECT, R = REPLACE, C = CLEAN  
IMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine the  
frequency of required maintenance.  
MAINTENANCE PROCEDURE NOTES:  
(1) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.  
* Replacement is recommended based on the finding of damage or wear during inspection.  
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Every unit is run at the factory and the carburetor is set  
in compliance with Emission Regulations. In addition,  
the carburetor is equipped with “H” (High Speed) and  
“L” (Low Speed) needle adjustment limiters that prevent  
settings outside acceptable limits.  
Idle adjusting screw  
1. Before adjusting carburetor clean or replace air filter  
and muffler “Spark Arrestor Screen”.  
2. Make sure the bar and chain are properly adjusted.  
3. Start engine and run several minutes to bring to oper-  
ating temperature. Flash choke twice during warm-up  
to clear any air from the fuel system.  
4. Stop engine.  
Turn “H” speed needle counterclockwise (CCW) to  
stop.  
High speed needle (H)  
Low speed needle (L)  
Turn “L” speed needle midway between full clockwise  
(CW) stop and CCW stop.  
5. Idle Speed Adjustment:  
CARBURETOR ADJUSTMENT  
Engine Break-In  
• Start engine, turn “Idle” speed adjustment screw  
CW until the saw chain begins to turn, then turn  
screw out CCW until the saw chain stops turning.  
Turn screw out, CCW, an additional 1/4 turn.  
New engines must be operated a minimum duration  
of two tanks of fuel break-in before carburetor adjust-  
ments can be made. During the break-in period your  
engine performance will increase and exhaust emis-  
sions will stabilize. Idle speed can be adjusted as  
required.  
WARNING  
Cutting attachment must not move when unit is  
idling.  
High Altitude Operation  
This engine has been factory adjusted to maintain sat-  
isfactory starting, emission, and durability performance  
up to 1,100 feet above sea level (ASL) (96.0 kPa). To  
maintain proper engine operation and emission compli-  
ance above 1,100 feet ASL the carburetor may need to  
be adjusted by an authorized ECHO service dealer.  
6. Accelerate to full throttle for 2 - 3 seconds to clear any  
excess fuel in the engine, then return to idle.  
Accelerate engine to full throttle to check for smooth  
transition from idle to high speed.  
If engine hesitates turn “L” needle CCW 1/8 turn and  
repeat acceleration.  
IMPORTANT  
Continue adjustment until smooth acceleration results.  
7. Check idle speed and reset if necessary as described  
in item 5. If a tachometer is available idle speed should  
be set to 3000 r/min.  
If the engine is adjusted for operation above  
1,100 feet ASL, the carburetor must be re-  
adjusted when operating the engine below 1,100  
feet ASL, otherwise severe engine damage may  
result.  
CAUTION  
When starting, idling adjustment speed should  
be adjusted not to rotate the saw chain. Correct  
idle speed is adjusted 3000 r/min. Or 1/4 turn CCW  
from the point the chain stops moving.  
When you experience trouble with the carburetor,  
contact your dealer.  
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AIR FILTER  
Cylinder cover  
• Check before every use.  
• Press hand guard forward and close choke.  
Air filter  
• Release the cylinder cover latches, and remove the  
cylinder cover and air filter.  
• Brush off dust lightly, or clean with compressed air, or  
replace the air filter.  
Cylinder cover latch  
• Reinstall air filter and the cylinder cover, engage  
Cylinder cover latch  
latch.  
CHECK FUEL SYSTEM  
• Check before every use.  
• After refueling, make sure fuel does not leak from  
around fuel pipe, fuel grommet or fuel tank cap.  
• In case of fuel leakage there is a danger of fire. Stop  
using the machine immediately and request your  
dealer to inspect or replace.  
SPARK PLUG  
• Check periodically.  
• The standard spark gap is 0.65 mm (0.026 in.).  
• Correct the spark gap if it is wider or narrower than  
the standard gap.  
• Fastening torque: 13 to 17 N·m  
(130 to 170 in. lb.).  
0.65 mm (0.026 in.)  
FUEL FILTER  
• Check periodically.  
• Do not allow dust to enter fuel tank.  
• A clogged filter will cause difficulty in starting engine  
or abnormalities in engine performance.  
• Pull the fuel filter out through fuel inlet port with a  
piece of steel wire or the like.  
• When the filter is dirty, replace it.  
• When the inside of the fuel tank is dirty, rinsing the  
tank out with gasoline can clean it.  
Fuel filter  
Fuel tank cap  
NOTE  
Federal EPA regulations require all model year  
2012 and later gasoline powered engines produced  
for sale in the United States to be equipped with a  
special low permeation fuel supply hose between  
the carburetor and fuel tank. When servicing model  
year 2012 and later equipment, only fuel supply  
hoses certified by EPA can be used to replace  
the original equipment supply hose. Fines up to  
$37,500 may be enforced for using an un-certified  
replacement part.  
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OIL FILTER  
• Check periodically.  
• Do not allow dust to enter into oil tank.  
• A clogged oil filter will affect the normal lubricating  
system.  
• Pull it out through oil filling hole with a piece of steel  
wire or the like.  
Oil tank cap  
• If the filter is dirty, wash it in gasoline or replace it.  
• When the inside of the tank gets dirty, rinsing the  
tank out with gasoline can clean it.  
Oil filter  
GUIDE BAR  
• Clean before using.  
- Clean the groove of the guide bar with a small screw-  
driver.  
Groove  
Sprocket  
- Clean oil holes with a wire.  
• Reverse guide bar periodically.  
• Check sprocket and the clutch and clean the bar  
mount area before installation of the bar.  
Replace either or both if worn.  
Oil hole  
SPROCKET  
Worn : 0.5 mm (0.02
• A damaged sprocket will cause premature damage or  
wear of saw chain.  
- When the sprocket has worn out 0.5 mm (0.02 in.)  
or more, replace it.  
• Check sprocket when you install new chain. Replace it  
if worn.  
CYLINDER FINS  
• Check periodically.  
• Clogged fins will result in poor engine cooling.  
• Remove dirt and dust from between fins to let cooling  
air pass easily.  
Cylinder fins  
MUFFLER SPARK ARRESTOR  
Muffler  
• Remove cylinder cover and remove spark plug lead.  
• Remove spark arrestor screen cover and screen from  
muffler body.  
Spark arrestor screen  
Screen cover  
• Clean carbon deposits from muffler components.  
• Replace screen if it is cracked, or has holes burned  
through.  
• Assemble components in reverse order.  
NOTICE  
Carbon deposits in muffler will cause drop in engine  
output. Spark arrestor screen must be checked  
periodically.  
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EXHAUST PORT CLEANING  
Level 2  
Parts Required:  
As needed: Muffler gasket  
1. Remove cylinder cover and remove spark plug lead.  
2. Place piston at top dead center. Remove muffler (A) and  
muffler gasket (B).  
B
3. Use a wood or plastic scraping tool to clean deposits from  
cylinder exhaust port.  
A
IMPORTANT  
Never use a metal tool to scrape carbon from the exhaust  
port.  
Do not scratch the cylinder or piston when cleaning the  
exhaust port. Do not allow carbon particles to enter the  
cylinder.  
4. Inspect muffler gasket, and replace if damaged.  
5. Install muffler gasket and muffler.  
6. Tighten muffler mounting bolts (or nuts) to 60-80 in • lbf (70-  
90 kgf • cm).  
7. Install cylinder cover and attach spark plug lead.  
8. Start engine, and warm to operating temperature.  
9. Stop engine, and re-tighten mounting bolts (or nuts) to  
specifications.  
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SETTING THE SAW CHAIN  
Preset tie strap  
Left hand cutter  
Drive link  
Top plate  
Tie strap  
Side plate  
Depth guage  
Guard link  
Right hand cutter  
Important points for proper maintenance of saw  
chain:  
• Keep the cutters sharp at all times.  
• Keep the left and the right cutters properly  
aligned.  
- Note that blunt or irregular cutters will result in  
poor cutting performance, increased vibration  
of chains and premature breakage of the saw  
chain.  
• Drive link serves to remove sawdust from the  
groove of the guide bar.  
Sharpen lower edge  
Keep the lower edge of the drive link sharp  
where indicated.  
SETTING SAW CHAIN  
• For setting saw chain, round file (4.0 mm dia.  
5/32 in.) and flat file are used.  
Keep this angle  
• To keep correct position and correct angle,  
use the file holder (Sure Sharp®).  
30°  
Push file as shown  
91P  
91VG  
90°  
Hold the file horizontally  
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1/5  
One fifth of file diameter remains  
above cutter edge  
• Place the depth gauge tool firmly on guide  
bar so that depth gauge protrudes.  
Depth gauge tool  
Then file top of depth gauge with the flat file until  
flat with top of the depth gauge tool.  
Remove until  
flat with tool  
- Be sure to round off the front edge of the depth  
gauge.  
Round off  
the edge  
Properly filed cutters are shown in illustration.  
91P :85°  
91VG :80°  
When setting of the chain is finished, soak it in oil  
and wash away filings completely before using.  
- When chain has been filed on the bar, supply  
sufficient oil to it, rotate the chain slowly to wash  
away the filings before using again.  
- If the chain saw is operated with filings clogged  
in the groove, the saw chain and the guide bar  
will be damaged prematurely.  
- If the saw chain becomes soiled with resin, for  
instance, clean it with kerosene and soak in it  
oil.  
30°  
Top plate filing angle  
Side plate angle  
91P :55°  
91VG :55°  
0.64 mm  
(0.025 in.)  
NOTICE  
These angles are referred to as Oregon 91P or  
91VG.  
To sharpen other follow chain manufacturer’s  
instruction.  
Parallel  
Top plate cutting angle  
Depth gauge  
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TROUBLESHOOTING  
ENGINE PROBLEM TROUBLESHOOTING CHART  
Problem  
Check  
Status  
Cause  
Remedy  
Clean or replace  
Fuel at carburetor  
No fuel at carburetor Fuel strainer clogged  
Fuel line clogged  
Clean or replace  
Carburetor  
See your Echo dealer  
Fuel at cylinder  
No fuel at cylinder  
Carburetor  
See your Echo dealer  
Muffler wet with fuel Fuel Mixture too rich  
Open choke  
Engine  
cranks -  
starts hard/  
doesn't  
Clean/replace air filter  
Adjust carburetor  
See your Echo dealer  
Spark at end  
of plug wire  
No spark  
No spark  
Stop switch off  
Electrical problem  
Interlock switch  
Turn switch to ON  
See your Echo dealer  
See your Echo dealer  
start  
Spark at plug  
Spark gap incorrect  
Covered with carbon  
Fouled with fuel  
Adjust to .65mm (0.026 in.)  
Clean or replace  
Clean or replace  
Plug defective  
Replace plug  
Air filter  
Air filter dirty  
Normal wear  
Clean or replace  
Fuel filter  
Fuel filter dirty  
Contaminants/residues in Replace  
fuel  
Fuel vent  
Fuel vent plugged  
Contaminants/residues in Clean or replace  
fuel  
Engine runs,  
but dies or  
does not  
accelerate  
properly  
Spark Plug  
Carburetor  
Plug dirty/worn  
Normal wear  
Clean and adjust or replace  
Improper adjustment Vibration  
Adjust  
Clean  
Cooling System  
Cooling system  
dirty/plugged  
Extended operation in  
dirty/dusty locations  
Spark Arrestor  
Screen  
Spark arrestor  
screen plugged  
Normal wear  
Replace  
Engine does  
not crank  
N/A  
N/A  
Internal engine problem  
See your Echo dealer  
WARNING  
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark  
by grounding spark plug near cylinder plug hole, otherwise serious personal injury may result.  
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STORAGE AFTER USE  
• Inspect and adjust every part of the chain saw.  
WARNING  
Do not store in an enclosure where fuel  
fumes may accumlate or reach an open  
flame or spark.  
- Completely clean every part and repair if neces-  
sary.  
- Apply thin coating of oil on metal parts to prevent  
rust.  
• Remove chain and guide bar.  
• Drain fuel tank completely. Press purge bulb 6 - 7  
times to remove remaining fuel from carburetor then  
drain the tank again. Close choke, start and run the  
engine until it stops due to lack of fuel.  
• Allow engine to cool then remove the spark plug and  
pour 7 cc (1/4 oz.) of fresh, clean, two-stroke engine  
oil into the cylinder through the spark plug hole.  
• Store in a dry area, free from dust.  
CAUTION  
Do not lend or rent your chain saw without  
the Instruction manual and Safety manual.  
NOTICE  
• For future reference, you should keep this  
Instruction manual and the Safety manual.  
• If this Instruction manual or the Safety manual  
has become illegible or is lost, please purchase  
a new one from your ECHO dealer.  
TECHNICAL DATA  
MODEL  
CS-352  
Dimension  
Mass  
L × W × H  
mm  
kg  
396 × 232 × 268 (15.6 in. × 9.1 in. × 10.6 in.)  
4.0 (8.8 lb.) Without chain and guide bar  
Air-cooled two-stroke single cylinder  
Power head, dry  
Type  
Engine  
Displacement  
mL (cm³) 34.0 (2.075 cu. in.)  
Carburetor  
Magneto  
Diaphragm type  
Flywheel magneto: CDI system  
Spark plug  
Starter  
NGK BPM8Y  
Recoil starter  
Power transmission  
Automatic centrifugal clutch  
Fuel  
EGD  
Mixture ratio  
50 : 1 ratio with ECHO Power Blend X™, ISO-L-  
(ISO/CD 13738) and JASO M345-FD two-stroke,  
air-cooled engine oil.  
Gasoline  
Use 89 octane unleaded.  
Donotusefuelcontainingmethylalcohol,morethan  
10 % ethyl alcohol or 15 % MTBE.  
Do not use alternative fuels such as E-15 or E-85.  
Tank capacity  
Bar and chain  
Tank capacity  
L
L
0.25 (8.47 US. fl. oz.)  
Oil  
ECHO bar and chain oil (or motor oil)  
0.26 (8.81 US. fl. oz.)  
Guide bar and  
See page 22 for Chain and Guide Bar Combination  
saw chain  
Lubrication  
Non-adjustable automatic oil pump  
Engine speed Idle  
Clutch engagement  
Wide open throttle  
r/min  
r/min  
r/min  
3,000  
4,200  
12,250  
Standard  
features  
Front hand guard, Rear hand guard,  
Anti-vibration device, Throttle control lockout,  
Chain brake, Chain catcher, Spark arrestor muffler,  
Kick guard, (Spiked bumper; Option)  
* Technical data subject to change without notice.  
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Warranty statEmEnts  
ECHO LIMITED WARRANTY STATEMENT FOR  
PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010  
ECHO'S RESPONSIBILITY  
ECHO Incorporated’s Limited Warranty, provides to the original purchaser that this ECHO product is free from defects in material and workmanship.  
Under normal use and maintenance from date of purchase, ECHO agrees to repair or replace at ECHO’s discretion, any defective product  
free of charge at any authorized ECHO servicing dealer within listed below application time periods, limitations and exclusions. THIS LIMITED  
WARRANTY IS ONLYAPPLICABLE TO ECHO PRODUCTS SOLD BYAUTHORIZED ECHO DEALERS. IT IS EXTENDED TO THE ORIGINAL  
PURCHASER ONLY, AND IS NOT TRANSFERABLE TO SUBSEQUENT OWNERS EXCEPT FOR EMISSION RELATED PARTS. Repair  
parts and accessories replaced under this warranty are warranted only for the balance of the original unit or accessory warranty period. Any  
damage caused by improper installation or improper maintenance is not covered by this warranty. All parts or products replaced under warranty  
become the property of ECHO, Inc. This warranty is separate from the Emission control warranty statement supplied with your new product.  
Please consult the Emission Control Warranty Statement for details regarding emission related parts. For a list of Authorized ECHO Dealers  
refer to WWW.ECHO-USA.COM or call 1-800-432-ECHO.  
OWNER’S RESPONSIBILITY  
To ensure trouble free warranty coverage it is important that you register your ECHO equipment on-line at WWW.ECHO-USA.COM or by fill-  
ing out the warranty registration card supplied with your unit. Registering your product confirms your warranty coverage and provides a direct  
link if we find it necessary to contact you.  
The owner shall demonstrate reasonable care and use, and follow preventative maintenance, storage, fuel and oil usage as prescribed in the  
operator’s manual. Should a product difficulty occur, you must, at your expense, deliver or ship your ECHO unit to an authorized ECHO servicing  
dealer for warranty repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been  
made. For your nearest authorized ECHO servicing dealer, call ECHO’s Dealer Referral Center, at 1-800-432-ECHO or you can locate an ECHO  
servicing dealer at WWW.ECHO-USA.COM. Should you require assistance or have questions concerning ECHO’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.  
PRODUCT WARRANTY PERIOD  
RESIDENTIAL APPLICATION  
5 YEAR WARRANTY - All units for residential, or non-income producing use will be covered by this limited warranty for five (5) years from  
date of purchase.  
EXCEPTIONS:  
For two-stroke engine powered products, the electronic ignition module, flexible drive cables, SRM solid drive shafts, and TC tines  
are warranted for the life* of the product on parts only.  
Cutting attachments such as, but not limited to, bars, chains, sprockets, blades, and nylon trimmer heads for residential or non-income  
producing use will be covered for failures due to defects in material or workmanship for a period of 60 days from original product  
purchase date. Any misuse from contact with concrete, rocks, or other structures is not covered by this warranty.  
ECHO’s Rapid Loader String Head carries a lifetime warranty on the line locking system, parts only; no labor. Refer to your operator’s  
manual for string head installation and maintenance instructions.  
All SB-Series and PRO ATTACHMENT SERIES Split Shaft attachments carry the same warranty duration as the units they are  
designed to fit.  
COMMERCIAL APPLICATION  
1 YEAR WARRANTY - All Chain Saws, QuikVent Saws, and Cut-Off Saws for commercial, institutional, agricultural, industrial, or income  
producing use will be covered by this limited warranty for one (1) year from the date of purchase.  
2 YEAR WARRANTY - All other units for commercial, institutional, agricultural, industrial, or income producing use will be covered by this  
limited warranty for two (2) years from the date of purchase.  
EXCEPTIONS:  
For two-stroke engine powered products, the electronic ignition module, flexible drive cables, SRM solid drive shafts and TC tines,  
are warranted for the life* of the product on parts only.  
Cutting attachments such as, but not limited to, bars, chains, sprockets, blades, and nylon trimmer heads for commercial, institutional,  
agricultural, industrial, rental, or income producing will be covered for failures due to defects in material or workmanship for a period  
of 30 days from original product purchase date. Any misuse from contact with concrete, rocks, or other structures is not covered by  
this warranty.  
ECHO’s Rapid Loader String Head carries a lifetime warranty on the line locking system, parts only; no labor. Refer to your operator’s  
manual for string head installation and maintenance instructions.  
All SB-Series and PRO ATTACHMENT SERIES Split Shaft attachments carry the same warranty duration as the units they are  
designed to fit.  
RENTAL APPLICATION - 90 DAYS WARRANTY  
• Units for rental use will be covered against defects in material and workmanship for a period of 90 days from the date of purchase.  
* ECHO’s liability under the “Lifetime” coverage is limited to furnishing parts specified under the PROdUCT wARRANTy PERIOd section of  
this warranty statement for “Life” free of charge for a period of ten (10) years after the date of the complete unit’s final production.  
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PURCHASED REPAIR PARTS, SHORT BLOCKS AND ACCESSORIES  
• 90-day residential, or non-income producing warranty  
• 30-day commercial, institutional, agricultural, industrial, income producing, or rental application warranty  
ATTENTION TWO-STROKE ENGINE POWER PRODUCT OWNERS  
This ECHO two-stroke engine power product is a quality-engineered unit which has been manufactured to exact tolerances to provide superior  
performance. To help ensure the performance of the unit, it is required to use two-stroke oil which meets the ISO-L-EGD Standard per ISO/CD  
13738 and JASO M345FD Standards. ECHO Power Blend™ Two-Stroke Oil is a premium two-stroke oil specifically formulated to meet ISO-  
L-EGD (ISO/CD 13738) and JASO M345FD Standards. The use of two-stroke oils designed for other applications, such as for outboard motors  
or lawnmowers can result in severe engine damage, and will void your two-stroke engine limited warranty.  
THIS WARRANTY DOES NOT COVER DAMAGE CAUSED BY:  
Lack of lubrication or engine failure, due to the use of two-stroke oils that do not meet the ISO-L-EGD (ISO/CD 13738) and JASO M345FD  
Standards. Engine problems due to inadequate lubrication caused by failure to use an ISO-L-EGD compliant and JASO M345FD registered  
oil, will void the two-stroke engine limited warranty. ECHO Power Blend™ Two-Stroke Oil meets the ISO-L-EGD and JASO M345FD  
Standard. Emission related parts are covered for 5 years residential use or 2 years commercial use regardless of two-stroke oil used, per  
the statement listed in the EPA or California Emission Defect Warranty Explanation.  
damage caused by use of gasohol, containing methanol (wood alcohol), or gasoline containing less than 89 octane. Only use gasoline which  
contains 89 octane or higher. Gasohol which contains a maximum 10% ethanol (grain alcohol) or 15% MTBE (methyl/tertiary/butyl/ether)  
is also approved. The prescribed mixing ratio of gasoline to oil is listed on the ECHO oil label and covered in your operator’s manual.  
Engine damage caused by use of ether or any starting fluids.  
damage caused by tampering with engine speed governor or emission components, or running engines above specified and recommended  
engine speeds as listed in your operator’s manual.  
Operation of the unit with improperly maintained/removed cutting shield or removed/damaged air filter.  
damage caused by dirt, pressure or steam cleaning the unit, salt water, corrosion, rust, varnish, abrasives, and moisture.  
defects, malfunctions or failures resulting from abuse, misuse, neglect, modifications, alterations, normal wear, improper servicing, or use  
of unauthorized attachments.  
Incorrect storage procedures, stale fuel, including failure to provide or perform required maintenance services as prescribed in the operator's  
manual. Preventative maintenance as outlined in the operators manual is the customer’s responsibility.  
Failures due to improper set-up, pre-delivery service or repair service by anyone other than authorized ECHO servicing dealer during the  
warranty period.  
Certain parts and other items are not warranted, including but not limited to: lubricants, starter cords, and engine tune-ups.  
Use of spark plugs other than those meeting performance and durability requirements of the OEM spark plug listed in the Operator's  
Manuals.  
Overheating or carbon scoring failures due to restricted, clogged exhaust port or combustion chamber, including damage to spark arrester  
screen.  
Adjustments after the first (30) thirty days and beyond, such as carburetor adjustment and throttle cable adjustment.  
damage to gears or gear cases caused by contaminated grease or oil, use of incorrect type or viscosity of lubricants, and/or failure to comply  
with recommended grease or oil change intervals.  
damage caused by loading SHREd 'N' VAC® beyond recommended capacity.  
damage caused by pump or sprayer running dry, pumping or spraying caustic or flammable materials, or lack of or broken strainers.  
Additional damage to parts or components due to continued use after operational problem or failure occurs. Should operational problem or  
failure occur, the product should not be used, but delivered as is to an authorized ECHO servicing dealer.  
It is a dealer’s and/or customer’s responsibility to complete and return the warranty registration card supplied with your ECHO product or by visiting  
WWW.ECHO-USA.COM. your receipt of purchase including date, model and serial number must be maintained and presented to an authorized  
ECHO servicing dealer for warranty service. Proof of purchase rests solely with the customer. Some states do not allow limitations on how long  
an implied warranty lasts, so the above limitations may not apply to you. Some states do not allow the exclusion or limitation of incidental or  
consequential damages, so you may also have other specific legal rights which vary from state to state. This limited warranty is given by ECHO  
Incorporated, 400 Oakwood Rd., Lake Zurich, IL 60047.  
DISCLAIMER OF IMPLIED WARRANTIES  
This limited warranty is in lieu of all other expressed or implied warranties, including any warranty of FITNESS FOR A PARTICULAR PURPOSE  
OR USE and any implied warranty of MERCHANTABILITY otherwise applicable to this product. ECHO and its affiliated companies shall not be  
liable for any special incidental or consequential damage, including lost profits. There are no warranties extended other than as provided herein.  
This limited warranty may be modified only by ECHO.  
99922201032  
11/18/2011  
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ECHO INCORPORATED EMISSION CONTROL WARRANTY STATEMENT  
FOR ECHO AND SHINDAIWA BRANDS  
The Environmental ProtectionAgency (EPA) and the CaliforniaAir Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased  
to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). New equipment/SORE must be  
designed, built and equipped to meet stringent EPA and C.A.R.B. anti-smog standards. ECHO Inc. must warrant the emission control system on  
your equipment/SORE for the periods of time listed below, provided there has been no abuse, neglect or improper maintenance of your equipment/  
SORE. Your emission control system may include parts such as: carburetor, fuel-injection system, ignition system, catalytic converter/muffler, fuel  
tank, fuel feed lines, fuel cap assembly, spark plug, air filters, and other associated components. Where a warrantable condition exists, ECHO  
Inc will repair your equipment/SORE at no cost to you including diagnosis, parts and labor. The Emission Control System warranty is extended  
to the original owner including all subsequent owners.  
MANUFACTURER'S WARRANTY COVERAGE:  
The emission control system is warranted for 2 years or the length of the ECHO Inc. warranty, whichever is longer. If any emission-related part  
on your equipment is defective, the part will be repaired or replaced by ECHO Inc. or its Authorized Service Representative.  
OWNER'S WARRANTY RESPONSIBILITIES:  
As the equipment/SORE owner, you are responsible for the performance of the required maintenance listed in your Operator's Manual. ECHO  
Inc. recommends that you retain all receipts covering maintenance on your equipment/SORE however, ECHO Inc. cannot deny warranty solely  
for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance. As the equipment/SORE owner, you should be  
aware that ECHO Inc. may deny you warranty coverage if your equipment/SORE or a part has failed due to abuse, neglect, improper maintenance  
or unapproved modifications.  
You are responsible for presenting your equipment/SORE to an ECHO Inc. 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. If a warrantable condition exists and there is no  
Authorized Dealer within 100 miles, ECHO Inc. will pay to ship the unit to the nearest authorized dealer. If you have questions regarding your  
warranty coverage, you should contact ECHO Inc. at 1-800-673-1558, web site WWW.ECHO-USA.COM or contact Shindaiwa at 1-877-986-  
7783, web site WWW.SHINDAIWA.COM.  
WHAT DOES THIS WARRANTY COVER?  
ECHO Inc. warrants that your equipment/SORE was designed, built and equipped to conform with applicable EPA and C.A.R.B. emissions  
standards and that your equipment/SORE is free from defects in material and workmanship that would cause it to fail to conform with applicable  
requirements for 2 years or the length of the ECHO Inc. warranty, whichever is longer. The warranty period begins on the date the product is  
purchased by an end user.  
HOW WILL A COVERED PART BE CORRECTED?  
If there is a defect in a part covered by this warranty, any ECHO Inc. Authorized Service Dealer will correct the defect. You will not have to pay  
anything to have the part adjusted, repaired or replaced. This includes any labor and diagnosis for warranted repairs performed by the dealer. In  
addition, engine parts not expressly covered under this warranty but whose failure is a result of a failure of a covered part will be warranted.  
WHAT PARTS ARE COVERED?  
Any applicable emission related part not scheduled for "required maintenance" will be repaired or replaced within the warranty period. The repaired  
or replaced part will be warranted for the remaining ECHO Inc. warranty period.  
Any warranted part that is scheduled only for regular inspection in the written instructions supplied is warranted for the warranty period stated  
above. Any such part repaired or replaced under warranty will be warranted for the remaining ECHO Inc. warranty period.  
Any emission related part scheduled for replacement during "required maintenance" is warranted for the period of time prior to the first scheduled  
replacement point for that part. Any such part repaired or replaced under warranty shall be warranted for the remainder of the period prior to the  
first scheduled replacement point for that part.  
Any manufacturer-approved replacement part may be used in the performance of any warranty maintenance or repairs on emission related parts,  
and must be provided without charge if the part is still under warranty.  
Any replacement part that is equivalent in performance and durability may be used in non-warranty maintenance or repairs, and shall not reduce  
the warranty obligations of the manufacturer.  
Throughout the equipment/SORE warranty period, ECHO Inc. will maintain a supply of warranted parts sufficient to meet the expected demand  
for such parts.  
SPECIFIC EMISSION RELATED WARRANTED PARTS:  
• Electronic Ignition System  
• Catalytic Converter / Muffler Assembly  
• Choke  
• Spark Plug  
• Carburetor (complete assembly or replaceable components)  
• Fuel-Injection Assembly (or replaceable components)  
• Fuel Cap Assembly  
• Fuel Tank  
• Air Filter  
• Fuel Feed Line (and associated clamps/connectors as applicable)  
WHAT IS NOT COVERED?  
Any failure caused by abuse, neglect, improper maintenance, unapproved modifications, use of unapproved add-on parts/modified parts or  
unapproved accessories.  
99922201033  
01/2010  
This Emission Control Warranty is valid only for the U.S.A., it's Territories, and Canada.  
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notEs  
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notEs  
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notEs  
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sErviCing information  
parts/sErial numbEr  
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 Num-  
ber, Type 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. ___________ Type _________SN. ______________  
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.  
DEALER? Call  
1-800-432-ECHO  
1-800-432-3246  
or  
ECho ConsumEr proDuCt support  
If you require assistance or have questions concerning the applica-  
tion, 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.  
CONSUMER PRODUCT  
SUPPORT  
1-800-673-1558  
8:30 - 4:30 Mon - Fri C.S.T.  
Warranty rEgistration  
To ensure trouble free warranty coverage it is important that you regis-  
the warranty registration card supplied with your unit. Registering your  
product confirms your warranty coverage and provides a direct link  
between you and ECHO if we find it necessary to contact you.  
aDDitional or rEplaCEmEnt manuals  
Replacement Operator, Safety Manuals, and Parts Catalogs are available from your ECHO dealer or at www.echo-  
usa.com or by contacting ECHO Inc., 400 Oakwood Road, Lake Zurich, IL 60047 (800-673-1558). Always check the  
ECHO Web Site for updated information.  
Safety Videos are available from your Echo dealer. A $5.00 shipping charge will be required for each video.  
ECHO, INCORPORATED  
400 OakwOOd ROad  
Lake ZuRich, iL 60047-1564  
C19711005001-C19711999999  
C19612020001/C19612999999  
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