Echo CS-352 Operator's Manual
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Echo CS-352 Operator's Manual

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CHAIN SAW
The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects,
or other reproductive harm.
Read and understand all provided literature before
use. Failure to do so could result in serious injury.
Note: This product complies with CAN ICES-2/NMB-2.
X7503275704
© 09/20 ECHO Incorporated
Operator's
Manual
CS-352

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Summary of Contents for Echo CS-352

  • Page 1 State of California to cause cancer, birth defects, or other reproductive harm. Read and understand all provided literature before use. Failure to do so could result in serious injury. Note: This product complies with CAN ICES-2/NMB-2. X7503275704 © 09/20 ECHO Incorporated...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction......................... 3 Servicing Information....................3 Parts/Serial Number................... 3 Service ....................... 4 ECHO Consumer Product Support ..............4 Product Registration................... 4 Additional Literature ................... 4 Packing List ........................ 4 Safety ......................... 5 Rules For Safe Operation .................. 5 Correct Use Of Chain Brake ................

  • Page 3: Introduction

    Genuine ECHO Parts and Assemblies for your ECHO products are available only from an Authorized ECHO Dealer. When you do need to buy parts always have the Model Number and Serial Number of the unit with you. For future reference write them in the space provided below.

  • Page 4: Service

    Due to packaging restrictions, some assembly may be necessary. After opening the carton, check for damage. Immediately notify your retailer or ECHO Dealer of damaged or missing parts. Use the contents list to check for missing parts. Power Head...

  • Page 5: Safety

    With a basic understanding of kickback, you can reduce or eliminate the element of surprise. Kickback Danger Zone Sudden surprise contributes to accidents. X7503275704 © 09/20 ECHO Incorporated...

  • Page 6: Correct Use Of Chain Brake

    • Slowly operate the chain brake lever while holding the saw firmly on the ground. When the brake lever trips, the chain should stop. Immediately release the throttle trigger. X7503275704 © 09/20 ECHO Incorporated...
  • Page 7 Chain brakes have been designed and tested to comply with international safety standards as follows: USA: ANSI Standard B175.1 Safety Requirement for chain saws Canada: CSA Standard Z62.1, Z62.3 X7503275704 © 09/20 ECHO Incorporated...
  • Page 8 The impact should lock the chain brake. When checking the operation of the automatic chain brake, use a soft surface substance like wood to absorb the impact so the chain is not damaged. X7503275704 © 09/20 ECHO Incorporated...
  • Page 9 (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.) X7503275704 © 09/20 ECHO Incorporated...
  • Page 10 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. X7503275704 © 09/20 ECHO Incorporated...
  • Page 11 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. X7503275704 © 09/20 ECHO Incorporated...

  • Page 12: Personal Condition And Safety Equipment

    Eye protection that meets ANSI Z87.1 or CE requirements ◆ must be worn whenever you operate the unit. For additional safety, a full-face shield can be worn over ◆ safety glasses or goggles to provide protection from sharp branches or flying debris. X7503275704 © 09/20 ECHO Incorporated...
  • Page 13 Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing/Ear Protection ECHO recommends wearing personal protective equipment whenever unit is used. Breathing Protection Operators who are sensitive to dust or other common airborne allergens may need to wear a dust mask to prevent inhaling these materials while operating unit.
  • Page 14 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 this machine by anyone who has a pacemaker.
  • Page 15 All over head electrical conductors and communications wires can have electricity flow with high voltages. This unit is not insulated against electrical current. Never touch wires directly or indirectly, otherwise serious injury or death can result. X7503275704 © 09/20 ECHO Incorporated...

  • Page 16: International Symbols

    Both of the operator’s hands must be used to Fuel and Oil Mixture operate the chain saw Hot Surface Chain Oil Fill X7503275704 © 09/20 ECHO Incorporated...
  • Page 17 Chain Brake Operation Adjustment Choke Control “COLD START” Position (Choke Closed) Purge Pump Choke Control “RUN” Position (Choke Open) De-Compression STOP / Momentary Device STOP Switch Note: Not all symbols will appear on your unit. X7503275704 © 09/20 ECHO Incorporated...

  • Page 18: Manual Safety Symbols And Important Information

    Note: This enclosed message provides tips for use, care and maintenance of the unit. CIRCLE AND SLASH SYMBOL This symbol means the specific action shown is prohibited. Ignoring these prohibitions can result in serious or fatal injury. X7503275704 © 09/20 ECHO Incorporated...

  • Page 19: Emission Control (Exhaust & Evaporative)

    The 50 or 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emissions output meets applicable emissions regulations, provided that approved maintenance procedures are followed as listed in the Maintenance Section of this manual. X7503275704 © 09/20 ECHO Incorporated...

  • Page 20: Description

    Locate the safety decal(s) on your unit. Make sure the decal(s) 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. Safety label is for example only. Your label my appear slightly different.
  • Page 21 CHAIN BRAKE - Stops the saw chain. DRIVE SPROCKET - Drives saw chain. CLUTCH - Turns drive sprocket when engine rpm is fast enough to provide the power needed for cutting. X7503275704 © 09/20 ECHO Incorporated...

  • Page 22: Preparation For Use

    Install bolt (A) in rear hole (B) of tip guard and through front hole (C) in guide bar. IMPORTANT: Dimple (D) in tip guard must engage recess (E) in guide bar. Securely tighten nut (F) and bolt (A). X7503275704 © 09/20 ECHO Incorporated...
  • Page 23 Install the sprocket guard over the guide bar studs. Ensure chain tension adjuster pin (F) fits into the guide bar adjuster hole (D). Tighten sprocket guard nuts finger tight. Adjust saw chain tension, as instructed in “Adjustment, Chain Tension”. X7503275704 © 09/20 ECHO Incorporated...
  • Page 24 (A) clockwise until chain contacts underside of the bar. Tighten nuts with the bar nose held up. Pull the chain around the bar by hand. Loosen the adjustment if you feel tight spots. X7503275704 © 09/20 ECHO Incorporated...

  • Page 25: Operation

    NOT approved. Use of ECHO branded fuel is recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines. Two Stroke Oil - A two-stroke engine oil, such as ECHO branded 2-stroke oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used.
  • Page 26 AVOID inhaling oil mists or vapors. ◆ ECHO branded 2-stroke oils may be mixed at 50:1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury will result.
  • Page 27 As a precaution, store fuel in an approved, airtight container. Store in a well-ventilated, unoccupied building, away from sparks and flames. • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container. X7503275704 © 09/20 ECHO Incorporated...

  • Page 28: Chain Lubricant

    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. X7503275704 © 09/20 ECHO Incorporated...

  • Page 29: Winter Operation

    (B), and install into cold weather position (C). Note: For operation at normal temperature (5°C [41°F]) return the plug to its original position. To prevent over heating of the engine. X7503275704 © 09/20 ECHO Incorporated...

  • Page 30: Starting Cold Engine

    (fast idle latch condition). The chain will attempt to move when engine is started with ◆ fast idle throttle latch engaged. Do not start engine before chain brake is locked. ◆ X7503275704 © 09/20 ECHO Incorporated...
  • Page 31 Never use fast idle throttle latch for cutting. ◆ Use the fast idle throttle latch only in starting. ◆ Note: Do not increase engine speed while chain brake is locked. Severe brake damage will result. X7503275704 © 09/20 ECHO Incorporated...

  • Page 32: Starting Warm Engine

    Note: If engine does not start after 5 pulls, use cold start procedure. Note: Do not increase engine speed while chain brake is locked. Severe brake damage will result. X7503275704 © 09/20 ECHO Incorporated...

  • Page 33: Running

    (see technical data page). Confirm proper acceleration and lubrication of chain and bar. Do not run the engine at high speed unnecessarily. Be sure that saw chain stops moving when throttle trigger is released. X7503275704 © 09/20 ECHO Incorporated...

  • Page 34: Stopping

    Hold the chain just above a dry Shown with optional surface and open the throttle to half Kick Guard speed for 30 seconds. A thin line of “thrown” oil should be seen on the dry surface. X7503275704 © 09/20 ECHO Incorporated...

  • Page 35: Cutting Instructions

    Before attempting to fell a tree, cut some small logs or limbs. Become thoroughly familiar with the controls and the responses of the saw. X7503275704 © 09/20 ECHO Incorporated...
  • Page 36 5 seconds or engine damage can occur. Keep chain properly tensioned during operation to prevent ◆ the chain from jumping out of the guide bar rail slot and damaging metal engine parts. X7503275704 © 09/20 ECHO Incorporated...
  • Page 37 5 cm (2 in.) will act as a One-third tree diameter hinge when the tree falls, guiding it in the desired direction. When the tree starts to fall, kill the engine, place the saw on the ground and make your retreat quickly. X7503275704 © 09/20 ECHO Incorporated...
  • Page 38 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. X7503275704 © 09/20 ECHO Incorporated...

  • Page 39: Chain And Guide Bar Combination

    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. Chain And Guide Bar Combination The following combinations are recommended for model CS-352. Guide Bar Saw Chain ECHO Part No.

  • Page 40: Kick Guard Tm

    Kick Guard (Optional) To purchase an optional Kick Guard contact your ECHO dealer. For the name of the ECHO dealer nearest you, Call: 1-800-432-ECHO (3246) or on the web at www.echo-usa.com Guide Bar (Low-kickback) Replacement guide bars.

  • Page 41: Maintenance

    Level 1 = Easy to do. Common tools may be required. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = See your dealer. Click HERE or go to http://www.echo-usa.com/products/maintenance-kit HERE https://www.shindaiwa-usa.com/you-can.aspx For information about maintenance kits.

  • Page 42: Maintenance Intervals

    Inspect / Replace * Fuel Filter Inspect * Fuel Cap Gasket Inspect * Spark Plug Inspect / Clean / Replace * Muffler Spark Arrestor Inspect/Clean/Replace * Cylinder Exhaust Port Inspect / Clean / De-carbon Yearly X7503275704 © 09/20 ECHO Incorporated...

  • Page 43: Carburetor Adjustment

    Arrestor Screen”. Make sure the bar and chain are properly adjusted. Start engine and run several minutes to bring to operating temperature. Flash choke twice during warm-up to clear any air from the fuel system. X7503275704 © 09/20 ECHO Incorporated...

  • Page 44: Air Filter

    (C) and remove cylinder cover (A) and air filter (B). Lightly brush dust off air filter, or clean with compressed air, or replace the air filter. Install air filter and cylinder cover, engage latches. X7503275704 © 09/20 ECHO Incorporated...

  • Page 45: Spark Plug

    Pull and twist slightly to separate. Install the new Fuel Filter (A) with the reverse action. When the inside of the fuel tank is dirty, rinse the tank out with gasoline to clean it. X7503275704 © 09/20 ECHO Incorporated...

  • Page 46: Oil Filter

    Clean before using. Clean the groove (A) of the guide bar with a small screwdriver. Clean oil holes (B) with a wire. Invert guide bar periodically. Clean the bar mount area before installing of the bar. X7503275704 © 09/20 ECHO Incorporated...

  • Page 47: Sprocket

    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 Regulation SAE J335. X7503275704 © 09/20 ECHO Incorporated...

  • Page 48: Spark Arrestor Screen

    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. X7503275704 © 09/20 ECHO Incorporated...

  • Page 49: Setting The 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. X7503275704 © 09/20 ECHO Incorporated...
  • Page 50 • One fifth of the file diameter remains above cutter edge. • Be sure to round off the front edge Depth gauge tool of the depth gauge. X7503275704 © 09/20 ECHO Incorporated...
  • Page 51 • If the saw chain becomes soiled with resin, for instance, clean it with Parallel kerosene and soak in it oil. Depth gauge To sharpen other chains, follow chain manufacturer’s instructions. X7503275704 © 09/20 ECHO Incorporated...

  • Page 52: Troubleshooting

    Clean or replace runs, but Fuel filter Contaminants Replace filter or dies Fuel filter dirty or residue in fuel replace fuel Engine Fuel vent Contaminated Fuel vent Clean or replace does not plugged fuel accelerate properly X7503275704 © 09/20 ECHO Incorporated...
  • Page 53 See your dealer problem crank Fuel vapors are extremely flammable and can cause fire and/or explosion. Never test for ignition spark by grounding spark plug near cylinder plug hole, otherwise serious personal injury can result. X7503275704 © 09/20 ECHO Incorporated...

  • Page 54: Storage

    Do not lend or rent your chain saw without the Operator’s Manual. Note: • For future reference, you should keep this Operator’s Manual. • If this Operator’s Manual becomes illegible or is lost, please contact your ECHO dealer, or go to www.echo-usa.com. X7503275704 © 09/20 ECHO Incorporated...

  • Page 55: Specifications

    12, 14, 16 in Saw chain 91PX/91VG Front hand guard, Rear hand guard, Anti-vibration Standard features device, Throttle control lockout, Chain catcher, Spark arrestor muffler, (Kick Guard Optional) * Technical data subject to change without notice. X7503275704 © 09/20 ECHO Incorporated...

  • Page 56: Product Registration

    Please go to http://www.echo-usa.com/Warranty/Register-Your-ECHO to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO, Incorporated. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.
  • Page 57 CS-352 PRODUCT REGISTRATION X7503275704 © 09/20 ECHO Incorporated...
  • Page 58 NOTES CS-352 NOTES X7503275704 © 09/20 ECHO Incorporated...
  • Page 59 CS-352 NOTES X7503275704 © 09/20 ECHO Incorporated...
  • Page 60 C68115001001 - C68115999999 C70415001001 - C70415999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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