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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
INSTRUCTION MANUAL
QUIKVENT
™
WARNING
Printed in Japan 0905l 0029 ES
SYSTEM
QV-680
X750-012 21 0
X750 316-550 0
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Summary of Contents for Echo QV-680
- Page 1 INSTRUCTION MANUAL ™ QUIKVENT SYSTEM QV-680 WARNING Read the instructions carefully and follow the rules for safe operation. Failure to do so could result in serious injury. ECHO, INCORPORATED X750-012 21 0 400 Oakwood Road, Lake Zurich, Illinois 60047-1564 X750 316-550 0...
- Page 2 WARNING Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • Lead from lead-based paints, •...
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Page 3: Table Of Contents
INTRODUCTION The ECHO QuikVent™ System is a chain saw DANGER specially designed for use by trained fire fighters to • This system is designed for use with a ventilate, trench and breach burning structures. special bar and chain for fire department This manual provides the information necessary for application. -
Page 4: Symbols And Signs
“CAUTION” calls attention to an act or condition which may lead to minor or moderate personal injury if not avoided. SAFETY Read and understand the ECHO The Safety Manual available for your QuikVent™ system and this Instruction Manual, covers chain saw safety manual before... -
Page 5: To Avoid Kickback
For Chain Saw (Woodcutting): Do not operate this chain saw unless you have extra ordinary cutting needs and experience and specialized training for dealing with kickback. ECHO chain saw with significantly reduced kickback potential are available. TO AVOID KICKBACK... - Page 6 ALWAYS restart the engine at least 3 m (10 feet) away from refueling point. Avoid carbon monoxide CAUTION DO NOT operate system in a confined area. Wear full turn-out gear in accordance with your fire Wear protective clothing and department’s regulations. equipment QV-680...
- Page 7 Avoid kickback IMPORTANT DANGER For free copies of the ECHO Chainsaw Safety KICKBACK may occur when the nose or tip Manual, contact ECHO Inc., 400 Oakwood Rd., of the guide bar touches an object, or when Lake Zurich, Ill.
- Page 8 6. Keep the skid plate touching the cutting surface. 7. Avoid cutting joists. 8. Do not overreach or cut above shoulder height. 9. Follow manufacturer’s sharpening and maintenance instructions for the saw chain. 10. Use only replacement bars and chains specified by ECHO, Inc. QV-680...
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Page 9: Description
Cylinder cover Throttle trigger Chain oil tank cap Fuel tank cap Fan cover Skid plate Packing list 13 x 19 mm T-wrench, ECHO Power Blend X™ Limited warranty Instruction manual Small screwdriver 2-stroke oil sample statement Spiked bumper, Warranty registration Safety manual Bolts 5 ×... -
Page 10: Operation (Pre-Ventilation Procedures)
Start / Run (Chain brake unlocked position) Throttle trigger Ignition switch • Never use throttle latch for cutting. • Use the chain brake only in starting or in emergencies. Starter handle Unlock chain brake QV-680... - Page 11 • Push choke control knob all the way in. Starter handle • Pull starter handle to start the engine. Unlock chain brake • When engine starts, immediately squeeze throttle trigger, to release throttle latch, and pull front hand guard towards the operator immediately. (Chain brake unlocked position) QV-680...
- Page 12 Manual oiler • Give several strokes to manual oiler button to confirm extra lubrication. • Do not run the engine at high speed unnecessarily. • Be sure that saw chain stops moving when throttle trigger is released. QV-680...
- Page 13 If engine does not stop, pull choke control knob • Release throttle trigger and move ignition switch out fully to stop engine. down to “STOP” position. Return the unit to your authorized ECHO dealer to check and repair stop switch before starting the engine again. Ignition switch...
- Page 14 3. Always operate the saw at full throttle when making a cut. 4. Always bury the tip of the cutting bar in the cutting surface. 5. Make sure the skid plate is in contact with cutting surface. 6. Avoid cutting above shoulder height and overreaching. QV-680...
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Page 15: Troubleshooting
• Spark plug fouled, broken or • Clean or replace spark plug - set gap incorrect gap setting. to 0.6 - 0.7 mm (0.024 to 0.028 in.). • Weak or intermittent spark at spark • Contact your nearest authorized plug. dealer. QV-680... - Page 16 9. Chain brake fails to • Chain brake adjustment. • Adjust chain brake. work. 10. Chain binds. • Chain tension too tight. • Adjust chain tension. 11. Chain is loose on • Chain tension is too loose. • Adjust chain tension. bar. QV-680...
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Page 17: Maintenance
∗ ∗ ∗ ∗ ∗ Inspect Muffler Assembly ∗ ∗ ∗ ∗ ∗ Clean Cylinder Fins ∗ ∗ ∗ ∗ ∗ Guide Bar ∗ ∗ ∗ ∗ ∗ Sprocket ∗ ∗ ∗ ∗ ∗ Rewind Starter ∗ ∗ ∗ ∗ ∗ Carburetor Adjustment QV-680... -
Page 18: After Each Use
5. Brush off dust lightly, or clean with compressed Air cleaner cover Spark plug air, or replace the air filter. Cylinder cover 6. Install air filter and air filter cover. 7. Install air cleaner cover and engage latch. Air filter cover Air filter Cleaner cover latch QV-680... -
Page 19: Sharpen Chain
NOTE (As Needed) Do not sharpen carbide chain with standard file. 1. Follow instructions included with sharpening kit. 2. Refer to page 25 for ECHO part number. Adjust chain tension IMPORTANT (After Each Use) Always loosen sprocket guard nuts before turning the chain tension adjuster, otherwise the 1. -
Page 20: Adjust Chain Brake
If proper brake adjustment cannot be fully rearward to remove or install the clutch obtained, take your unit to your authorized cover to chain saw. ECHO servicing dealer before further use of system. • Clean parts as you remove them. 1. Remove the sprocket guard. -
Page 21: Mix Fuel
E-85 (85 % ethanol) or any fuels not meeting • 50 : 1 Mixture above requirements are NOT approved for Mix one part, “Specially blended ECHO branded use in ECHO 2-stroke gasoline engines. 50 : 1 two-stroke engine oil,” with 50 parts Use of alternative fuels may cause unleaded gasoline. -
Page 22: Refill Chain Oil Tank
Refill chain oil tank (After Each Use) Oil tank cap 1. Remove oil tank cap. 2. Add oil : ECHO high detergent oil. 3. Install oil tank cap. Adjust automatic oiler NOTE (As Needed) If chain runs dry of oil during operation, it is most likely due to a misadjusted automatic oiler. -
Page 23: Test Saw
2. Remove filter and install new filter. Oil filter Replace oil filter Fuel filter (As Needed) 1. Pick up oil filter through oil tank opening with a piece of steel wire. 2. Remove filter and install new filter. QV-680... -
Page 24: Check Spark Plug
Clean cylinder fins NOTE (As Needed) Clogged fins will cause poor engine cooling. 1. Check periodically. 2. Clogged fins will result in poor engine cooling. 3. Remove dirt and dust from between fins to let cooling air pass easily. QV-680... -
Page 25: Guide Bar
6. Repeat above process if more tension is needed. 7. Place starter assembly on powerhead and slowly pull the handle until the ratchets engage properly and the fan cover fits flush against the Rope Drum powerhead. 8. Secure starter assembly with screws. QV-680... -
Page 26: Carburetor Adjustment
If engine hesitates turn “L” needle CCW 1/8 turn and repeat acceleration. Continue adjustment until smooth acceleration results. 7. Check idle speed and reset if necessary as described in item 5. If a tachometer is available idle speed should be set to 3000 r/min. QV-680... -
Page 27: Mounting Guide Bar And Chain
• Fit sprocket guard and nuts. Secure the nuts hand tight. Accessories • Special ECHO Detergent Bar and Chain Oil Part • Special Chain Maintenance Kit No. 36880 (one gallon) Part No. 999 440 0003 0 •... -
Page 28: Specifications
10 % ethyl alcohol or 15 % MTBE. Do not use alternative fuels such as E-20 or E-85. Mixture ratio 50 : 1 ratio with ECHO Power Blend X™, ISO-L-EGD (ISO/CD 13738) and JASO M345-FC/FD two-stroke, air-cooled engine oil. Fuel/oil mix Use an approved type fuel container. - Page 29 MEMORANDUM QV-680...