Echo CS-7310PW Operator's Manual
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Echo CS-7310PW Operator's Manual

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CS-7310PW
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.
X7503340600
© 12/20 ECHO Incorporated
Operator's
Manual
Chain Saw

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Summary of Contents for Echo CS-7310PW

  • 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. X7503340600 © 12/20 ECHO Incorporated...

  • Page 2: Table Of Contents

    CS-7310PW 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

    SERVICING INFORMATION Parts/Serial Number 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

    Use a firm grip with thumbs and fingers encircling the chain saw handles. A firm grip will help you reduce kickback and maintain control of the saw. Don’t let go. X7503340600 © 12/20 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. X7503340600 © 12/20 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 X7503340600 © 12/20 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. X7503340600 © 12/20 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.) X7503340600 © 12/20 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. X7503340600 © 12/20 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. X7503340600 © 12/20 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. X7503340600 © 12/20 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 Never touch wires directly or indirectly, otherwise serious injury or death can result. Do not operate this product indoors or in inadequately ventilated areas. Engine exhaust contains poisonous emissions and can cause serious injury or death. X7503340600 © 12/20 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 Chain Oiler Chain Brake Operation Adjustment X7503340600 © 12/20 ECHO Incorporated...
  • Page 17 Symbol Description Symbol Description 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. X7503340600 © 12/20 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. X7503340600 © 12/20 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. X7503340600 © 12/20 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. X7503340600 © 12/20 ECHO Incorporated...

  • Page 22: Preparation For Use

    For initial setup, install spiked bumpers. Bumper with chain catcher (C) onto front of chain saw body, and bumper without chain catcher (D) onto clutch cover. X7503340600 © 12/20 ECHO Incorporated...
  • Page 23 Adjusting Chain Tension Always loosen sprocket guard nuts before turning the chain tension adjuster, otherwise the sprocket guard and tensioner will be damaged. Remove air cleaner cover and disconnect spark plug lead. Loosen sprocket guard nuts. X7503340600 © 12/20 ECHO Incorporated...
  • Page 24 Tighten guide bar nuts to 20-23 N•m (200 to 230 kgf•cm, 175-200 lbf•in). DO NOT over-tighten nuts. Damage to saw can result. Assemble components in reverse order. Keep chain properly tensioned at all times. Note: All chains require frequent adjustments. X7503340600 © 12/20 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 • Empty the fuel tank prior to storing the unit. Return unused fuel to an approved fuel storage container. Stored two-stroke fuel can separate. ALWAYS shake fuel container thoroughly before each use. X7503340600 © 12/20 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. X7503340600 © 12/20 ECHO Incorporated...

  • Page 29: Starting Cold Engine

    FORWARD to LOCK chain brake before starting. Fill the fuel tank with fuel mixture. Do not over fill. Fill the chain oil tank with lubricant. Do not over fill. Move STOP switch (A) UP to “RUN” position. X7503340600 © 12/20 ECHO Incorporated...
  • Page 30 (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. ◆ X7503340600 © 12/20 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. X7503340600 © 12/20 ECHO Incorporated...

  • Page 32: Starting Warm Engine

    Move chain brake lever fully FORWARD to LOCK chain brake before starting. Confirm there is fuel and chain oil in the tanks. Move stop switch (A) UP to “RUN” position. Press the decompression device (B). X7503340600 © 12/20 ECHO Incorporated...

  • Page 33: Running

    Note: If saw chain moves adjust carburetor according to “Carburetor Adjustment” instructions in this manual, or see your dealer. After engine starts, allow it to return to idle and warm up before using. Move chain brake lever fully REARWARD to UNLOCK chain brake. X7503340600 © 12/20 ECHO Incorporated...

  • Page 34: Stopping

    Checking Chain Tension Do not operate with a loose chain. Chain tension should be checked frequently during work and corrected as necessary. X7503340600 © 12/20 ECHO Incorporated...

  • Page 35: Chain Lubrication Test

    After you have learned the basic techniques of using the saw, your best aid will be your own good common sense. X7503340600 © 12/20 ECHO Incorporated...
  • Page 36 • Install and properly tension guide bar and chain. Run engine for one minute alternating engine speed between full throttle for 5 seconds and idle for 5 seconds to coat metal parts with additional protective chain oil. X7503340600 © 12/20 ECHO Incorporated...
  • Page 37 45-degree angle and at least 3 m Retreat Not this way (10 feet) from the trunk to avoid the trunk kicking back over the stump. X7503340600 © 12/20 ECHO Incorporated...
  • Page 38 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. X7503340600 © 12/20 ECHO Incorporated...
  • Page 39 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. X7503340600 © 12/20 ECHO Incorporated...

  • Page 40: Chain And Guide Bar Combination

    OPERATION CS-7310PW Chain and Guide Bar Combination The following combinations are recommended for model CS-7310PW. Guide Bar Saw Chain Length mm ECHO Part No. Pitch (in.) Type Links (in.) 0.050 Gauge 508 (20) 20H0PS3872 72LPX72CQ 610 (24) 24H0PS3884 72LPX84CQ 3/8”...

  • 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 / Clean / Replace * Muffler Spark Arrestor Inspect / Clean / Replace * Cylinder Exhaust Port Inspect / Clean / De-carbon Yearly Fuel Filter Inspect / Replace * Fuel Cap Gasket Replace * X7503340600 © 12/20 ECHO Incorporated...

  • Page 43: Carburetor Adjustment

    • Start engine, turn Idle Speed Adjustment Screw “T” CW until the saw chain begins to move, then turn screw out CCW until the saw chain stops moving. Turn screw out, CCW, an additional 1/4 turn. X7503340600 © 12/20 ECHO Incorporated...

  • Page 44: Air Filter

    Check before every use. CLOSE choke ( Remove air cleaner 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 cover. X7503340600 © 12/20 ECHO Incorporated...

  • Page 45: Spark Plug

    Pull and twist slightly to separate. Install the new filter with the reverse action. When the inside of the fuel tank is dirty, rinse the tank out with gasoline to clean it. X7503340600 © 12/20 ECHO Incorporated...

  • Page 46: Automatic Oiler

    Pull and twist slightly to separate. Install the new filter with the reverse action. When the inside of the tank gets dirty, rinse the tank out with gasoline to clean it. X7503340600 © 12/20 ECHO Incorporated...

  • Page 47: Guide Bar

    • Check sprocket when you install new chain. Replace it if worn. Some tree sap and resins are corrosive. Thoroughly wash the guide bar and sprocket areas after each use, then coat metal parts with light oil. X7503340600 © 12/20 ECHO Incorporated...

  • Page 48: Cooling System Cleaning

    USDA Forest Service Regulation SAE J335. Check with your local or state authorities for specific regulations in your area. Failure to follow these requirements is a violation of the law. X7503340600 © 12/20 ECHO Incorporated...

  • Page 49: Spark Arrestor Screen

    Exhaust Port Cleaning Level 2. Parts Required: Muffler gasket. Remove air cleaner cover and remove spark plug lead. Place piston at top dead center. Remove muffler. Check parts for wear or damage, and replace if necessary. X7503340600 © 12/20 ECHO Incorporated...

  • Page 50: Setting The Saw Chain

    Tie strap Guard link Depth gauge 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. X7503340600 © 12/20 ECHO Incorporated...
  • Page 51 • Place the depth gauge tool firmly Depth gauge tool on guide bar so that depth gauge protrudes. Then file top of depth gauge with the flat file until flat with top of the depth gauge tool. X7503340600 © 12/20 ECHO Incorporated...
  • Page 52 • If the saw chain becomes soiled with resin, for instance, Parallel clean it with kerosene and Depth gauge soak in it oil. To sharpen other chains, follow chain manufacturer’s instructions. X7503340600 © 12/20 ECHO Incorporated...

  • Page 53: 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 X7503340600 © 12/20 ECHO Incorporated...

  • Page 54: Storage

    • Inspect and adjust every part of the chain saw. • Completely clean every part and repair if necessary. • Apply thin coating of oil on metal parts to prevent rust. • Remove chain and guide bar. X7503340600 © 12/20 ECHO Incorporated...

  • Page 55: Specifications

    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 dealer, or go to www.echo-usa.com. SPECIFICATIONS MODEL CS-7310PW Length 477 mm (18.8 in.)

  • 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-7310PW PRODUCT REGISTRATION X7503340600 © 12/20 ECHO Incorporated...
  • Page 58 NOTES CS-7310PW NOTES X7503340600 © 12/20 ECHO Incorporated...
  • Page 59 CS-7310PW NOTES X7503340600 © 12/20 ECHO Incorporated...
  • Page 60 C80915001001 - C80915999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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