Echo CSG-7410 Operator's Manual
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Echo CSG-7410 Operator's Manual

Engine cut-off saw
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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.
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.
ECHO, INCORPORATED
400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400
Printed in USA
OPERATOR'S MANUAL
ENGINE CUT-OFF SAW
WARNING
WARNING
CSG-7410
X 7 5 0 3 9 5 4 1 0 0

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Summary of Contents for Echo CSG-7410

  • Page 1 OPERATOR’S MANUAL ENGINE CUT-OFF SAW CSG-7410 WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Cancer and Reproductive Harm www.P65Warnings.ca.gov WARNING Read the instructions carefully and follow the rules for safe operation.

  • Page 2: Table Of Contents

    INTRODUCTION The ECHO model CSG-7410 Engine Cut-off saw is WARNING a high-performance gasoline-powered tool de- Improper use or care of this unit, or failure to signed for use with a recommended 350 x 4.7 x 20 wear proper protection can result in serious mm (14 in.

  • Page 3: Symbols And Signs

    PARTS” section will help you locate them. Make sure the decal is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your ECHO dealer. CSG-7410...
  • Page 4 Usage of saw blades not Carburetor adjustment permitted. - Low speed mixture Make sure there are no Carburetor adjustment breaks,cracks or warps. - High speed mixture Emergency stop Carburetor adjustment - Idle speed Keep away from fire. CSG-7410...

  • Page 5: Packing List

    The ECHO product you purchased has been After opening the carton, check for damage. factory pre-assembled for your convenience. Immediately notify your retailer or ECHO dealer of Due to packaging restrictions, wheel installation damaged or missing parts. and other assembly may be necessary.

  • Page 6: Nomenclature Of Parts

    NOMENCLATURE OF PARTS OPERATOR’S MANUAL ENGINE CUT-OFF SAW CSG-7410 WARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. ECHO, INCORPORATED 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 X750 395-410 0...
  • Page 7 23. Safety labels - Device for lowering the com- accidental operation of the throttle trigger. pression in the cylinder, to aid 11. Choke control knob - Device for enriching the starting. fuel/air mixture in the carburetor to aid cold starting. Also activates fast idle throttle latch. CSG-7410...

  • Page 8: Operator Safety Precautions

    Use safety footwear, snug-fitting clothing and protective gloves. OPERATOR’S MANUAL ENGINE CUT-OFF SAW CSG-7410 Wear eye, hearing and head protection devices. Use ballistics chaps or pants when necessary. Clothing of fire-resistant and non-meltable material should be worn by emergency crews exposed to flames or high heat conditions.
  • Page 9 Do not use any wheel that has been dropped. All adjustment and maintenance instructions in this operator’s manual should be performed as necessary, and may be done by the saw owner. All other service or adjustment should be performed only by a qualified ECHO servicing dealer. CSG-7410...

  • Page 10: Operator Safety

    Shut off the saw immediately if some one moves closer to you than 9 m (30 feet). Persons working in the area near you should wear the same protective equipment as the saw operator if endangered by risky flying debris. CSG-7410...
  • Page 11 Raynaud’s Phenomenon which affects the fingers of certain individuals is brought about by exposure to cold and vibration. Accordingly, your ECHO Engine cut-off saw has shock mounts designed to reduce the intensity of vibration received through the saw handles. Exposure to cold and vibration may cause tingling and burning, followed by loss of colour and numbness, in a person’s...

  • Page 12: Abrasive Wheel Types And Uses

    ECHO Reinforced Wheels ECHO Wheels are labelled for the type of materials they are designed to cut. The types of wheels identified below, and other types, may be available from ECHO dealer. WARNING  This saw includes an abrasive wheel and a water system.
  • Page 13 “clunk”. IMPORTANT “Tap” Here If a wheel being “ring tested” is dirty or damp or is tapped at the vertical centre line, the resulting sound will be muffled and not reliable. CSG-7410...
  • Page 14 Facts About Abrasive Wheel ECHO wheels are made by laying a strong fibre mesh material into a form, pouring a mixture of resin and the abrasive grit particles over the mesh, and adding a second layer of mesh over the mixture. Then the resin and reinforcing mesh are bonded together and cured.

  • Page 15: Preparation For Use

    6. Finger tighten the wheel bolt and then tighten it fully with a socket wrench. Tighten Tighten it to a torque of 25 to 30 N･m. 7. Remove the bar tool and rotate the cutting wheel by hand; make sure it is straight and wobble-free. CSG-7410...
  • Page 16 4. Mount the pipe connector in the lower hole in the wheel guard. Guard Stopper Pipe connector Wheel guard knob 5. Loosen the nut that holds the nozzle in place. 6. Remove the wheel guard knob mounted on the wheel cover. Nozzle CSG-7410...
  • Page 17 17. Change the nozzle angle and then tighten the nut. 18. Insert the 2 pipes into the pipe connector. 19. Mount the knob on the top of the wheel guard. 20. Install the guard stopper on the guard (above the cutting arm). CSG-7410...

  • Page 18: Fuel And Lubricant

    EGD (ISO/CD 13738) and J.A.S.O. FD Standards must • Securely tighten fuel tank cap and close be used. ECHO brand 2-stroke oils meet these stan- fuel container after refueling. dards. Engine problems due to inadequate lubrication • Inspect for fuel leakage. If fuel leakage is...

  • Page 19: Emission Data

    Maintenance Section of this manual. EMISSION CONTROL INFORMATION ENGINE FAMILY: #EHXS.0735RA DISPLACEMENT: 73.5 cc EMISSION COMPLIANCE PERIOD: 300 Hours THIS ENGINE MEETS U.S. EPA EXH/EVP EMISSION REGULATIONS FOR MODEL YEAR **** REFER TO OWNER’S MANU- AL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. ***XXXX CSG-7410...

  • Page 20: Operation

    But, do not operate with the choke out. Throttle trigger lockout 7. Squeeze and release trigger when engine runs to release the fast idle throttle latch setting. You now have trigger control of the throttle speed. Throttle trigger CSG-7410...
  • Page 21 4. Adjust the water flow with the liquid cock. 5. After cutting, turn off the water and let the wheel spin itself dry. IMPORTANT Make sure there are no water leaks before use. Use as little water as possible to sufficiently suppress generation of dust. CSG-7410...

  • Page 22: Cutting Instruction

    Linear kickback  Linear kickback When cutting with the bottom of the cutting wheel, the machine may generate a force that pulls the machine forward. Always hold the handle firmly while working. CSG-7410...
  • Page 23 Be particularly careful at the end of cutting. Try not to Let Wheel Break Through in One Place NOTE Always cut at full throttle. Cutting at less than full throttle may harm the clutch as it will overheat during slippage. CSG-7410...

  • Page 24: Maintenance And Care

    Momentary stop switch automatically er do it, each maintenance task has been graded. returns to run position. Engine can start If the task is not listed ask your ECHO dealer for unintentionally. Always remove spark plug repairs. lead from spark plug before assembling or performing maintenance procedures or serious personal injury can result.
  • Page 25 6. Install the air cleaner cover and tighten its 4 Filter case bolts. Tighten the 3 bolts (A) and then the bolt (B). 7. Make sure the grommets are facing the right way when installing them on the air cleaner cover. Choke knob CSG-7410...
  • Page 26 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. CSG-7410...
  • Page 27 To maintain proper engine operation and emission If a tachometer is available idle speed should be compliance above 1100 feet ASL the carburetor set to 2800 rpm. may need to be adjusted by an authorized ECHO service dealer. CAUTION IMPORTANT...
  • Page 28 9950 rpm. Use a tachometer to measure speed. If engine speed exceeds 9950 rpm, have the unit ser- viced by your nearest ECHO servicing dealer before further use. Whenever activated, the vibration-sensitive governor in the Carburetor high speed fuel circuit supplies more fuel than the engine can burn.
  • Page 29 Belt arm. Cutter arm 6. Put the new belt on the small pulley. 7. While pulling the belt in the direction of the cutter, Pulley install the clutch cover and fasten it with its bolt. Belt (small) Clutch cover CSG-7410...
  • Page 30 2. Consult your dealer if the wheel guard moves back and forth even when the wheel guard locking knob is tightened. 3. Consult your ECHO dealer if there is any wear or cracking. Wheel guard CSG-7410...

  • Page 31: Troubleshooting

    4. Air filter blocked 4. Replace air filter element 5. Spark plug fouled or cracked 5. Replace plug. 6. Ignition magneto or spark 6. Contact nearest authorized ECHO servicing plug wire faulty dealer 1. See reasons under “will not 1. See remedies above start”...

  • Page 32: Storage After Use

    • Remove wheel. or is lost, please purchase a new one from your • Drain fuel tank, pull starter slowly a few times to ECHO dealer. drain fuel from carburetor. • Pour a small amount of clean motor oil into spark plug hole, pull starter and crank the engine until piston reaches: TOP DEAD CENTER.

  • Page 33: Technical Data

    Volume : Fuel tank 700 (23.67) (US fl. oz.) Fuel ( Mixture ratio ) 50:1 ratio with ECHO band oil, ISO-L-EGD (ISO/CD 13738), JASO M345-FC/FD two-stroke, air-cooled en- gine oil. Use 89 octane unleaded. Do not use fuel containing methyl alcohol, more than 10% ethyl alcohol or 15% MTBE.

  • Page 34: Warranty Registration Sheet

    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, Inc. 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 35: Notes

    NOTES CSG-7410...
  • Page 36 C72715001001 – C72715999999...

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