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Echo CS-670, Operator'S Manual, Page: 20 / 26

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Echo CS-670 Operator'S Manual Download Page 20

20

CS-670

Brake band

Adjuster

Direction
to tension

↓↓↓↓↓

↑↑↑↑↑

1 mm

Mark

Adjusting brake band

Adjuster

Brake band

Cover

FUEL FILTER

• Check periodically.

• Do not allow dust to enter fuel tank.

• Clogged filter will cause difficulty in starting

engine or abnormalities in engine performance.

• Pull the fuel filter out through fuel inlet port with a

piece of steel wire or the like.

• When the filter is dirty, replace it.

• When the inside of the fuel tank is dirty, rinsing

the tank out with gasoline can clean it.

OIL FILTER

• Check periodically.

• Do not allow dust to enter into oil tank.

• Clogged oil filter will affect the normal lubricating

system.

• Pull it out through oil filling hole with a piece of

steel wire or the like.

• If the filter is dirty, wash it in gasoline or replace

it.

• When the inside of the tank gets dirty, rinsing the

tank out with gasoline can clean it.

AUTOMATIC OILER

• The discharge volume of the automatic oiler is

adjusted to 8 mL/min approxmately at 7,000
r/min, prior to shipment from factory.

- To increase the delivery volume, turn the

adjusting knob clockwise.
When the knob touches stopper and stops,
this position indicates maximum discharge
volume. (15 mL/min at 7,000 r/min)

- Do not turn the adjusting knob beyond the

maximum or minimum limit of volume
adjustment.

ADJUSTING THE CHAIN BRAKE

When brake band is worn or elongated, adjust the
location of adjuster peak  as follows.

• Remove the clutch cover.

• Remove the cover and side plate.

• Turn adjuster position to set its peak to the

correct tensioning location.

• Ensure that clutch drum can be turned freely by

hand when brake handle is in cutting position
(release position).

CAUTION

ECHO recommends that an authorized ECHO
servicing dealer should service the chain brake.

Oil filter

Fuel filer

Oil cap

Fuel cap

Decrease

Increase

Adjusting knob

Summary of Contents for CS-670

Page 1: ...CHAIN SAW CS 670 CAUTION Read Rules for Safe Operation and Instruction Carefully X750 002 76 2 X750 316 350 2 ECHO POWER EQUIPMENT CANADA 501 Newbold Street London Ontario Canada N6E 1K4 Printed in Japan 0504Asb 0384 ES ...

Page 2: ...n the engine operating 10 Beware of carbon monoxide poisoning Operate the chain saw in well ventilated areas only RULES FOR SAFE OPERATION 11 Do not attempt a pruning or liming operation in a standing tree unless specifically trained to do so 12 Guard against kickback Kickback is the upward motion of the guide bar which occurs when the saw chain at the nose of the guide bar contact an object Kickb...

Page 3: ...MENCLATURE OF PARTS 4 OPERATOR SAFETY 6 CORRECT USE OF CHAIN BRAKE 7 PREPARATION FOR USE 8 FUEL AND LUBRICANT 10 OPERATION 11 CUTTING INSTRUCTION 13 MAINTENANCE AND CARE 18 SETTING THE SAW CHAIN 21 CHAIN AND GUIDE BAR COMBINATION 23 SERVICE GUIDE 24 TROUBLE SHOOTING 25 STORAGE AFTER USE 26 TECHNICAL DATA 26 ...

Page 4: ...act entre le nez du guide chaîne et un objet quelconque 2 Tout contact du nez peut provoquer un mouvementbrusqueverslehautouvers le bas et entraîner de graves blessures 3 Toujours employer lex deux mains pour opérer la scie à chaîne Part Number X505 000460 TOAVOIDKICKBACK 1 Contact of the guide bar tip with any object should be avoided 2 Tip contact may cause the guide bar to move suddenly upward ...

Page 5: ...tor s right hand from being hit by a chain which has broken or derailed from the guide bar during cutting 11 Guide bar The part that supports and guide the saw chain 12 Bar tip guard Anti kickback device attached on the bar nose 13 Saw chain Chain serving as a cutting tool 14 Spiked bumper Device fitted in front of the guide bar mounting point acting as a pivot when in contact with a tree or log 1...

Page 6: ...ou at a high risk for developing a repetitive stress injury RSI An extreme RSI condition is Carpal Tunnel Syndrome CTS which could occur when your wrist swells and squeezes a vital nerve that runs through the area Some believe that prolonged exposure to vibration may contribute to CTS CTS can cause severe pain for months or even years To reduce the risk of RSI CTS do the following Avoid using your...

Page 7: ...E THAT THE BRAKE IS SERVICED ADJUSTED AND TESTED STRICTLY IN ACCORDANCE WITH THE INSTRUCTIONS AS DETAILED HEREIN IN ORDER TO ENSURE THAT THE BRAKE PERFORMANCE IS MAINTAINED IN COMPLIANCE WITH THE STANDARD CSA Z 62 1 SPARK ARRESTOR MUFFLER The spark arrestor muffler controls the exhaust noise and prevents hot glowing particles of carbon from leaving the muffler Make sure the spark arrestor screen i...

Page 8: ... Symmetrical Low Kick type Double Guard guide bars 1 Install bolt A in front hole B of Kick Guard and through front hole C in guide bar 2 IMPORTANT Dimple D in Kick Guard must engage recess E in guide bar 3 Tighten nut F and bolt A using 11 mm 7 16 in wrenches until snug Make certain Kick Guard is flush against guide bar 4 Tighten nut F 1 8 additional turn 5 Check to make certain Kick Guard is tig...

Page 9: ...le and rear locating tab of cover is located properly ADJUSTMENT CHAIN TENSION Turn the adjuster screw clockwise until the chain touches the bottom of the bar Hold the bar nose up and turn the adjuster clockwise until the chain fits snugly against the underside of the bar Tighten both nuts with the bar nose held up Pull the chain around the bar by hand Loosen the adjustment if you feel tight spots...

Page 10: ... assures a longer service life Use ECHO bar and chain oil of high quality for this purpose Do not use used or reclaimed oil to avoid various oiler problems When refueling also refill chain oil FUEL AND LUBRICANT WARNING DANGER FUEL IS VERY FLAMMABLE USE EXTREME CARE WHEN MIXING STORING OR HANDLING OR SERIOUS PERSONAL INJURY MAY RESULT USE AN APPROVED FUEL CONTAINER DO NOT SMOKE NEAR FUEL DO NOT AL...

Page 11: ... to start the engine When engine starts immediately pull throttle trigger up to release throttle latch then release throttle trigger CAUTION The chain will attempt to rotate when engine is started with throttle latch engaged After engine starts release throttle trigger to idle engine otherwise brake damage may occur Never use throttle latch for cutting Use it only when starting the engine WHEN THE...

Page 12: ...p engine Check and repair ignition switch before starting the engine again STOPPING Release throttle trigger and turn ignition switch down STOP position RUNNING When engine starts keep idling for a few minutes Set the brake lever in the released position before starting to cut Pull throttle trigger gradually and increase revolution of the engine The chain starts running when the engine reaches to ...

Page 13: ...and the responses of the saw Start the engine see that it is running properly Squeeze the trigger to open the throttle wide open and start the cut If the chain is properly sharpened the cutting should be relatively effortless 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 Some material may adverse...

Page 14: ...e side opposite the notch and at a level about 5 cm above the bottom of the notch Do not try to cut through to the notch with the felling cut The remaining wood between the notch cut and felling cut about 5 cm will act as a 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 To fell big...

Page 15: ... is lying on perfectly flat ground or supported as shown If you make the cut with the tree on the ground don t let the saw s chain dig into the earth it is harmful for the saw and you stand a good chance of being struck by flying debris 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 WARNING DANGER KICKBACK IS GENERATE...

Page 16: ...in If the chain does not stop immediately return the saw to your authorized ECHO dealer for repair NOTE For practice while cutting a small tree push the lever forward to engage the brake At all the time confirm whether the brake works properly before each work If the chain brake is clogged with wood chips function of the brake deteriorates a little Always keep the device clean Do not increase engi...

Page 17: ...ight of about 35 cm as shown in Fig 3 Softly detach the left hand from the front handle and touch the end of the guide bar against the wood or the like placed below so that the machine receives an impact At this time the rear handle should be gripped lightly with right hand 4 The impact is propagated to the brake lever which actuates the chain brake PRECAUTION When checking the operation of the au...

Page 18: ... 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 speed If engine hesitates turn L needle CCW 1 8 turn and repeat ac...

Page 19: ...e machine immediately and request your dealer to inspect or replace MAGNETO The unit has CDI Capacitor Discharge Ignition system which does not require adjustment of ignition timing Check for secure tight wire connections CYLINDER FINS Check periodically Clogged fins will result in poor engine cooling Remove dirt and dust from between fins to let cooling air pass easily SPARK PLUG Check periodical...

Page 20: ...dirty rinsing the tank out with gasoline can clean it AUTOMATIC OILER The discharge volume of the automatic oiler is adjusted to 8 mL min approxmately at 7 000 r min prior to shipment from factory To increase the delivery volume turn the adjusting knob clockwise When the knob touches stopper and stops this position indicates maximum discharge volume 15 mL min at 7 000 r min Do not turn the adjusti...

Page 21: ...r Replace either or both if worn Worn 0 5 mm Sharpen lower edge Drive link Tie strap Right hand cutter Preset tie strap Left hand cutter Guard link Top plate Side plate Depth guage Important points for proper maintenance of saw chain Keep the cutters sharp at all times Keep the left and the right cutters properly aligned Note that blunt or irregular cutters will result in poor cutting performance ...

Page 22: ...e about the file holder if desired Place the depth gauge tool firmly on guide bar so that depth gauge protrudes Then file top of depth gauge with flat the file until flat with top of the depth gauge tool Be sure to round off the front edge of the depth gauge Hold the file tipped 10 upward 25 Keep this angle Push file as shown Remove until flat with tool Depth gauge tool Round off the edge 1 5 One ...

Page 23: ...e bar Properly filed cutters are shown as illustration When setting of the chain is finished soak it in oil and wash away filings completely before using When chain has been filed on the bar supply sufficient oil to it rotate the chain slowly to wash away the filings before using again If the chain saw is operated with filings clogged in the groove the saw chain and the guide bar will be damaged p...

Page 24: ...placement will be required for commercial use after 600 hours For consumer use cleaning every 6 months is required Cleaning includes Rebuild kits Every year or 600 Hours use Daily or every 4 Hours use With Each Re Fueling Before use Monthly Every Three Months or 100 Hours use Six Months or 300 Hours use 1 SERVICE GUIDE Plug Air cleaner cover WINTER KIT Use the winter kit with chain saw to prevent ...

Page 25: ... plug wire wire Spark gap incorrect Adjust 0 6 mm to 0 7 mm Spark at No spark at Covered with carbon Clean or replace plug plug Fouled with fuel Clean or replace Spark plug defective Replace plug Engine Internal engine problem Ask your ECHO dealer does not crank Engine Dies or Air filter dirty Clean or replace runs accelerates poorly Fuel filter dirty Clean or replace Fuel vent blocked Clean Spark...

Page 26: ...rd Rear hand guard Anti vibration features Spiked bumper Throttle control lockout Chain brake Chain catcher Spark arrestor muffler Kick guard STORAGE AFTER USE Technical data subject to change without notice TECHNICAL DATA 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 guid...

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