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

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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.
X7503340002
© 11/21 ECHO Incorporated
Operator's
Manual
CS-7310P
Chainsaw

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Summary of Contents for Echo CS-7310P

  • 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Introduction......................... 3 Servicing Information....................3 Parts and 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 and 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

    Chain moving downward at impact With a basic understanding of kickback, you can reduce or Kickback Danger Zone eliminate the element of surprise. Sudden surprise contributes to accidents. X7503340002 © 11/21 ECHO Incorporated...

  • Page 6: Correct Use Of Chain Brake

    Testing the Brake • Start the engine on a solid level Locked surface and run at a fast idle until warm. • Hold the saw firmly by the handles and accelerate the engine to a fast idle. X7503340002 © 11/21 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 chainsaws. Canada: CSA Standard Z62.1, Z62.3. X7503340002 © 11/21 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. X7503340002 © 11/21 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.) X7503340002 © 11/21 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. X7503340002 © 11/21 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 12: 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 13: International Symbols

    Both of the operator’s hands Fuel and Oil must be used to Mixture operate the chainsaw. Hot Surface Chain Oil Fill X7503340002 © 11/21 ECHO Incorporated...
  • Page 14 Chain Oiler Operation Adjustment Choke Control “COLD START” Position (Choke Closed) Purge Bulb Choke Control “RUN” Position (Choke Open) STOP / Decompression Momentary Device STOP Switch Note: Not all symbols will appear on your unit. X7503340002 © 11/21 ECHO Incorporated...

  • Page 15: 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. X7503340002 © 11/21 ECHO Incorporated...
  • Page 16 Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing and 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 17 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 18 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. X7503340002 © 11/21 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. X7503340002 © 11/21 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 22: Preparation For Use

    Note: See “Maintenance” section for guide bar and saw chain maintenance procedures. For initial setup, install spiked bumpers. Bumper with chain catcher (C) onto front of chainsaw body, and bumper without chain catcher (D) onto clutch cover. X7503340002 © 11/21 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. X7503340002 © 11/21 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. X7503340002 © 11/21 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. Used oil and gasoline, and soiled towels are hazardous waste materials. Disposal laws vary by locality. X7503340002 © 11/21 ECHO Incorporated...
  • Page 28 Servicing Fuel and Oil When the fuel tank cap or oil tank cap is difficult to remove, pull the starter handle slowly, and use the starter handle to assist in removal of the cap. X7503340002 © 11/21 ECHO Incorporated...

  • Page 29: Chain Lubricant

    • Pull out the air shutter and insert it with the snowman mark facing up. • For operation above 41° F (5° C), return the air shutter to its original position (with the sun mark facing up). X7503340002 © 11/21 ECHO Incorporated...

  • Page 30: Starting Cold Engine

    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. Press the decompression device (B). X7503340002 © 11/21 ECHO Incorporated...
  • Page 31 (open choke position). Pull starter handle to start the engine. Note: Do not pull starter rope out to the maximum possible position. Note: Do not allow recoil handle to snap back against the casing. X7503340002 © 11/21 ECHO Incorporated...

  • Page 32: Starting Warm Engine

    Make sure the bar and chain are free from any obstruction when starting the chainsaw. 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. X7503340002 © 11/21 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 34: Stopping

    “STOP” position. Note: If engine does not stop, pull choke control knob out fully to stop engine. Note: Return the unit to your authorized dealer to check and repair stop switch before starting the engine again. X7503340002 © 11/21 ECHO Incorporated...

  • Page 35: Checking Chain Tension

    This chainsaw is designed for cutting wood. Do not cut ◆ metal, plastic or any non-wood material. Wear suitable hearing ◆ protection such as earmuffs or earplugs to protect against objectionable or uncomfortable loud noises. X7503340002 © 11/21 ECHO Incorporated...
  • Page 36 It is not necessary to press down hard to make the saw cut. Pushing the saw too hard will slow the engine and cutting will actually be more difficult. X7503340002 © 11/21 ECHO Incorporated...
  • Page 37 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. X7503340002 © 11/21 ECHO Incorporated...
  • Page 38 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. X7503340002 © 11/21 ECHO Incorporated...
  • Page 39 Always use both hands. Don’t cut with the saw overhead or aligned vertically with your body. If the saw should kick back, you may not have enough control to prevent possible injury. X7503340002 © 11/21 ECHO Incorporated...
  • Page 40 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 41: Chain And Guide Bar Combination

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

  • Page 42: 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 X7503340002 © 11/21 ECHO Incorporated...

  • Page 43: Maintenance Intervals

    Air Filter Replace * Oil Filter Inspect / Replace * Fuel Filter Inspect * Fuel Cap Gasket Inspect * Spark Plug Inspect / Clean / Replace * Muffler Spark Arrestor Inspect / Clean / Replace * X7503340002 © 11/21 ECHO Incorporated...

  • Page 44: Air Filter

    • Fastening torque: 15-17 N•m (130-150 lbf•lin). 0.4 - 0.5 mm (0.016 - 0.02 in.) Remove air cleaner cover and remove spark plug. Correct the spark gap if it is wider or narrower than the standard gap. X7503340002 © 11/21 ECHO Incorporated...

  • Page 45: Check Fuel System

    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. X7503340002 © 11/21 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. X7503340002 © 11/21 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. X7503340002 © 11/21 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 49: Spark Arrestor Screen

    Level 2. Parts Required: As needed: 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. X7503340002 © 11/21 ECHO Incorporated...

  • Page 50: Carburetor Adjustment

    This engine has been factory adjusted to maintain satisfactory starting and durability performance up to 1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation above 1,100 feet ASL the carburetor might need to be adjusted by an authorized service dealer. X7503340002 © 11/21 ECHO Incorporated...
  • Page 51 When starting, idling adjustment speed should be adjusted to prevent the saw chain from moving. When you experience trouble with the carburetor, contact your dealer. X7503340002 © 11/21 ECHO Incorporated...

  • Page 52: Setting The Saw Chain

    • For setting saw chain, round file (5.5 mm [7/32 in.] diameter) and flat file are used. • Push file as shown. 25° • To keep correct position and correct angle, use a file holder. Keep this angle X7503340002 © 11/21 ECHO Incorporated...
  • Page 53 • Be sure 1/5th, or 20% of the file diameter remains above cutter edge. • Be sure to round off the front edge of the depth gauge. X7503340002 © 11/21 ECHO Incorporated...
  • Page 54 • If the saw chain becomes soiled with resin, for instance, Parallel depth gauge clean it with kerosene and soak in it oil. To sharpen other chains, follow chain manufacturer’s instructions. X7503340002 © 11/21 ECHO Incorporated...

  • Page 55: Troubleshooting

    Clean or replace runs, but dirty dies Contaminants Fuel filter Replace filter or Fuel filter or residue in dirty replace fuel fuel Engine does not Fuel vent Contaminated acceler- Fuel vent Clean or replace plugged fuel properly X7503340002 © 11/21 ECHO Incorporated...

  • Page 56: Storage

    Serious personal injury can result. • Inspect and adjust every part of the chainsaw. • Completely clean every part and repair if necessary. • Apply thin coating of oil on metal parts to prevent rust. X7503340002 © 11/21 ECHO Incorporated...

  • Page 57: Specifications

    Do not lend or rent your chainsaw 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-7310P Length 477 mm (18.8 in.)

  • Page 58: 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 59 CS-7310P PRODUCT REGISTRATION X7503340002 © 11/21 ECHO Incorporated...
  • Page 60 C80915001001 - C80915999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 www.echo-usa.com...

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