Echo QV-680, Instruction Manual

Page 1: ...uctions carefully and follow the rules for safe operation Failure to do so could result in serious injury X750 012 21 0 X750 316 550 0 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 QV 680 Printed in Japan 0905l 0029 ES ...

Page 2: ...rnia to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement and other masonry products and Arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well vent...

Page 3: ...bar A free copy of the Chain Saw Safety Manual can be obtained from your ECHO dealer or by writing ECHO INCORPORATED 400 Oakwood Road Lake Zurich IL 60047 1564 The ECHO QuikVent System is a chain saw specially designed for use by trained fire fighters to ventilate trench and breach burning structures This manual provides the information necessary for operation and maintenance of the saw CONTENTS P...

Page 4: ...his symbol means the specific action shown is prohibited Ignoring these prohibitions can result in serious or fatal injury NOTE This enclosed message provides tips for use care and maintenance of the unit IMPORTANT The enclosed message provides information necessary for the protection of the unit SAFETY Read and understand the ECHO chain saw safety manual before using this saw The Safety Manual av...

Page 5: ...ckback potential are available TO AVOID KICKBACK 1 Hold the chain saw firmly with both hands 2 Tip contact is required for QuickVent applications only to complete boring operations Be aware that kockback could occur Part Number 890191 32632 Follow IFSTA practices Follow safe and effective practices developed by The International Fire Service Training Association lFSTA for transport venting and all...

Page 6: ...d up in tank DO NOT overfill the tank and always clean up spilled fuel After refueling tighten fuel cap firmly and check for leakage In case of fuel leakage repair before starting operation since there is a danger of fire ALWAYS restart the engine at least 3 m 10 feet away from refueling point 3 m 10 feet Follow all maintenance procedures outlined in the maintenance section of this manual to ensur...

Page 7: ...he safety devices built into your saw As a chain saw user you should take several steps to keep your cutting jobs free from accident or injury SAFETY Keep a safe distance from co workers Make sure there is another person nearby when operating the system but also make sure they are at a safe distance Clear work area Make sure that hazardous debris such as glass or wire is cleared from the area to b...

Page 8: ...w with both hands the right hand on the rear handle and the left hand on the front handle When the engine is running 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 Do not let go 3 Always work upwind 4 Cut at high engine speeds 5 Ventilation and breaching use plunge cutting which entails boring into ...

Page 9: ...il tank cap Skid plate Fan cover Throttle trigger Cylinder cover Chain brake Hand guard Starter grip Ignition switch Fuel tank cap Front handle 13 x 19 mm T wrench Small screwdriver ECHO Power Blend X 2 stroke oil sample Limited warranty statement Warranty registration card Instruction manual Packing list Spiked bumper Bolts 5 12 mm Safety manual ...

Page 10: ...d your hand or wrist in case of engine backfire Pull the handle to crank engine 1 KNOW HOW TO STOP Keep hold of the rear handle but release trigger and flick the switch to STOP 2 Hold the saw down securely on a flat surface with bar and chain in the clear After setting the controls hold the top of the front handle with your left hand Slide the toe of your right boot through the rear handle to hold...

Page 11: ... Do not over fill Move ignition switch to RUN position Pull choke control knob all the way out Choke position 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 When engine starts immediately squeeze throttle trigger to release throttle latch and pull front hand guard tow...

Page 12: ...leased OPERATION Pre Ventilation Procedures When the engine is warm 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 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 may be used ...

Page 13: ...o rear Stopping Release throttle trigger and move ignition switch down to STOP position OPERATION Pre Ventilation Procedures NOTE 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 STOP Ignition switch Throttle trigger ...

Page 14: ...ion CUTTING After penetration follow the contour of the skid plate until the bar has reached the approximate angle illustrated at the right Position the skid plate on the flat surface maintaining full throttle and steady pressure while keeping the saw on the surface Pull the saw back ripping through the surface Avoid cutting through joists and rafters 1 Follow all fire department procedures on saf...

Page 15: ...rly adjusted Spark plug fouled broken or incorrect gap setting Weak or intermittent spark at spark plug What to do Fill tank Replace filter Clean fuel line Install new spark plug Replace spark plug Replace lead wire or attach to spark plug Contact your nearest authorized dealer Drain entire system and refill with fresh fuel Drain and refill with correct mixture If flooded by over choking proceed a...

Page 16: ...tight Chain tension is too loose What to do Clean air cleaner See Carburetor Adjustment Clean carbon from muffler Remove muffler rotate engine until the piston is at bottom of cylinder With a wooden scraper or blunt tool remove all carbon from exhaust ports Be careful not to scratch or damage piston or cylinder walls Blow out loose carbon with compressed air Start engine and run briefly to remove ...

Page 17: ... Adjust Chain Brake Mix Fuel Refill Fuel Tank Refill Chain Oil Tank Adjust Automatic Oiler Test Saw Drain and Replace Fuel Replace Fuel Filter Replace Oil Filter Check Spark Plug Inspect Muffler Assembly Clean Cylinder Fins Guide Bar Sprocket Rewind Starter Carburetor Adjustment As needed Weekly Page No 16 16 16 17 17 18 19 19 20 20 21 21 21 21 22 22 22 23 23 23 24 Every 30 days ...

Page 18: ...place those found to be faulty Clean air filter After Each Use 1 Close choke 2 Release the cleaner cover latch 3 Remove any loose particles from area 4 Remove air filter cover and air filter 5 Brush off dust lightly or clean with compressed air or replace the air filter 6 Install air filter and air filter cover 7 Install air cleaner cover and engage latch Cleaner cover latch Air cleaner cover Air ...

Page 19: ...ith your gloved hand 4 Gradually turn adjusting screw clockwise until the drive links are drawn up into the bar 5 Pull chain along bar with your gloved hand to check for binding 6 Back off tension screw if necessary 7 Tighten nuts while holding bar in position NOTE Do not sharpen carbide chain with standard file IMPORTANT Always loosen sprocket guard nuts before turning the chain tension adjuster ...

Page 20: ...with the guard and with a gloved hand try to pull the chain along the top of the guide bar 11 Move chain with hand guard in unbraked position 12 Start the engine 13 Depress throttle fully and activate the brake MAINTENANCE WHAT HAPPENED Chain Moves Chain Does Not Move WHAT DOYOU DO Increase Tension Go to Next Step WHAT HAPPENED Brake Spring Rubs on Drum Chain Rotates Smoothly without Drag WHAT DOY...

Page 21: ...lcohol is not approved Two stroke oil ECHO brand premium Power Blend X two stroke 50 1 oil is preferred Mix oil and gasoline gasohol according to Instructions on the oil container label Mixing instructions 1 Fill an approved fuel container with half of the required 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 re...

Page 22: ...oil Refer to page 25 for accessory part number When refilling fuel mixture fill up chain oil at the same time Oil tank cap Refill chain oil tank After Each Use 1 Remove oil tank cap 2 Add oil ECHO high detergent oil 3 Install oil tank cap Adjust automatic oiler As Needed Turn automatic oiler clockwise to increase oil output or counterclockwise to decrease output NOTE If chain runs dry of oil durin...

Page 23: ... this manual Drain and replace fuel Every 30 Days NOTE If the fuel oil mixture in the fuel tank of the saw has been there for 30 days it should be dumped and replaced with fresh mixture See Refill fuel tank page 19 in this section Replace fuel filter As Needed 1 Pick up fuel filter through fuel tank opening with a piece of steel wire 2 Remove filter and install new filter Replace oil filter As Nee...

Page 24: ... 0 028 in Inspect muffler assembly As Needed Remove air cleaner cover and remove spark plug lead Remove spark arrestor screen cover and screen from muffler body Clean carbon deposits from muffler components Replace screen if it is cracked or has holes burned through Assemble components in reverse order NOTE Carbon deposits in muffler will cause drop in engine output Spark arrestor screen must be c...

Page 25: ...wind starter As Needed 1 Remove screws and remove starter assembly from housing 2 Pull starter rope out 30 to 45 cm 1 to 1 feet and prevent drum from rewinding 3 Grasp the rope between notch and cover and wind both rope and drum one turn clockwise 4 Hold drum in place and pull rope straight out through hole in cover 5 Allow starter to rewind 6 Repeat above process if more tension is needed 7 Place...

Page 26: ...top 5 Idle Speed Adjustment 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 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...

Page 27: ...e guide bar must be installed with the droop pointing down 3 Ensure that the chain is installed with the cutters directed forward on the top of the bar 4 Refer to page 17 for proper chain tension Accessories Special Chain Maintenance Kit Part No 999 440 0003 0 Includes Bench Grinder Special Diamond Grinding Wheel Depth Gauge Kit Complete Sharpening Instructions Special ECHO Detergent Bar and Chain...

Page 28: ...efore starting the engine NOTE Use of non recommended oils or failure to follow above instructions may result in engine malfunction and will void the warranty 0 64 21 6 US fl oz ECHO bar and chain oil or motor oil 0 37 12 5 US fl oz 305 12 in angle bar with industrial sprocket nose 1 6 0 063 in 9 53 3 8 in 7 teeth A3T 50DL 9 53 3 8 in 1 6 0 063 in 21 1 4150 f m Automatic adjustable and manual over...

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