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OPERATOR’S MANUAL

ENGINE CUT-OFF SAW

CSG-670

TYPE1-E

WARNING

READ INSTRUCTIONS CAREFULLY AND FOLLOW RULES FOR
SAFE OPERATION.
FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY.

Summary of Contents for 1-E

Page 1: ...OPERATOR S MANUAL ENGINE CUT OFF SAW CSG 670 TYPE1 E WARNING READ INSTRUCTIONS CAREFULLY AND FOLLOW RULES FOR SAFE OPERATION FAILURE TO DO SO COULD RESULT IN SERIOUS INJURY ...

Page 2: ...m 12 x 1 8 x 25 32 abrasive wheel A water flush attachment is available for dust control Use only ECHO s wheels or other wheels having a minimum spindle speed rating of 6 000 r min or higher This manual provides the information necessary for assembly operation and maintenance of the cut off saw as well as the wheels available for it It is important that you follow this information carefully WARNIN...

Page 3: ...read a new one can be ordered from your ECHO dealer DANGER Always cut at wide open throttle and with the wheel fully up to speed Failure to do so may cause premature belt or wheel wear 1 Read and understand your operator s manual before using this product 2 Use only ECHO approved cutting accessories 3 Always wear proper safety equipment as outlined in your operator s manual 4 Do not twist or overl...

Page 4: ...R FLANGE WHEEL BLOTTER RUBBER SPARK DUST SHIELD FUEL CAP IGNITION SWITCH THROTTLE TRIGGER THROTTLE LATCH METAL FOOT CHOKE STARTER GRIP AIR CLEANER COVER NUT FRONT HANDLE AIR CLEANER COVER THROTTLE LOCKOUT REAR HANDLE IDLE SPEED ADJUSTING KNOB REAR ARM COVER ARM MOUNTING NUTS WHEEL SHIELD LOCKING KNOB FRONT ARM COVER MUFFLER CAP OVER ARBOR Part Number X503 006280 Part Number 890178 07060 Part Numbe...

Page 5: ...TION SWITCH The device which allows the operator to run or stop the engine KICKBACK A dangerous reaction and movement off the saw in an upward arc towards the operator caused by contact with an object at the front segment of the wheel NO LOAD SPEED The speed of the engine when no load is applied REDUCTION RATIO The ratio between the engine speed and the spindle speed REINFORCED WHEEL Abrasive whee...

Page 6: ...t or replace It is not permitted to fill fuel above the shoulder level of fuel tank Operate this gasoline engine saw only in well ventilated areas Do not cause sparks in any area where there are flammable materials Start the saw on the ground with the cutting wheel completely in the clear Do not drop start the saw or start it if the wheel is obstructed by the ground or any other object Do not allo...

Page 7: ...asive cut off saw wheel or put any side pressure on the wheel during cutting Avoid letting the saw tilt or wobble off line Use new properly qualified wheels of correct diameter thickness and mounting hole size The wheel blotters and the mounting flanges should be in good condition and the mounting bolt should be tightened to the proper torque Inspect the wheel carefully for cracks edge damage and ...

Page 8: ...aring protection should be worn See WARNING DANGER page 15 Wear a respirator or dust mask when cutting concrete stone brick or other materials where fine dust is produced while cutting Use water flush to keep down the dust Clothing should be made from fabric containing natural fibers that resist catching fire and do not melt The clothing should cover as much skin area as possible Clothing should o...

Page 9: ...nd vibration may cause tingling and burning followed by loss of color and numbness in a person s fingers We strongly recommend your taking the following precautions because the minimum exposure which might trigger the ailment is unknown Keep your body warm especially head neck feet and ankles and hands and wrists Maintain good blood circulation by performing vigorous arm exercises during frequent ...

Page 10: ...Y DRY ECHO REINFORCED WHEELS WHEEL SPEED RATING The speed rating printed on these reinforced wheels could range from 6 000 to 6 300 r min This is the minimum acceptable wheel speed rating for this unit Wheels rated less than 6 000 r min must not be used on this saw READ LABEL ON THE WHEEL MAXIMUM ALLOWABLE WHEEL SPEED The wheel rotates at the same speed as the spindle arbor on which it is mounted ...

Page 11: ...ed Do not destroy cushioning effect by making mounting bolts too tight Never fasten while applying your weight Otherwise the thread could be broken Proper torque is 20 N m 15 ft lbs Examine wheel carefully before use Do not use if wheel is warped damp cracked chipped or cutting area shows heat discoloration A wheel once dropped cannot be trusted Discard a wheel if you drop it RING TESTING WHEELS C...

Page 12: ...an stand a lot of cutting pressure as long as the pressure is straight on and not from the side of the wheel This is why you always must make only straight line cuts by avoiding saw tilt or wobbling off line during a cut Saws intended for forcible entry should be equipped with new wheels for each use If the used wheels can pass the ring test page 11 and close inspection they may be use in training...

Page 13: ... not cocked on the mount or bolt threads Do not make bolt so tight as to destroy the cushion supplied by the wheel blotters Never fasten while applying your weight Otherwise the thread could be broken Do not tighten more than 20 N m 15 ft lbs Inner and outer flanges are not interchangeable Reversing positions may cause wheel damage and lock the wheel NOTE Arm may be removed and remounted with whee...

Page 14: ...R SAW BLADE IN THE CLEAR GRASP FRONT HANDLE WITH LEFT HAND AND HOLD DOWN REAR HANDLE WITH TOE OF YOUR BOOT NEVER DROP START THE SAW WARNING Wheel will rotate when engine is started at latched throttle setting Keep cutting wheel in the clear STARTING COLD ENGINE 1 Pull out CHOKE all the way 2 Flip SWITCH to ON 3 Depress and hold THROTTLE TRIGGER and LOCKOUT while pushing in LATCH BUTTON to latch th...

Page 15: ...gine has cooled But to avoid the possibility of over choking and flooding always first try to start a warm engine without choking it SEQUENCE AFTER STARTING ENGINE CUTTIING ASPHALT TAR AND REINFORCED MATERIALS Old cold and hardened asphalt paving can be cut with a masonry wheel with good results and little trouble with tarring of the wheel Fresh asphalt and tarred surfaces can gum up the wheel and...

Page 16: ...a groove as you can If you cut a curve the wheel will start to bind as the cut deepens Go over and over the groove you have started until the cut is completed On cuts of long duration remove saw from cut often to let the wheel cool Never put any side pressure on a cut off saw wheel grind on the side of it or use it to flick away debris When cutting large diameter pipe cut 360 degrees around and tr...

Page 17: ... air mixture 4 Carburetor out of adjustment 1 Dirt in carburetor or fuel line 2 Carburetor out of adjustment 3 Weak or intermittent spark 1 Not enough oil 2 Air passages around cylinder clogged 3 Carburetor main adjustment is set too Lean REMEDY 1 Fill fuel tank 2 Flip switch to ON 3 Remove spark plug Turn switch off and crank engine to expel the fuel Install clean dry properly gapped spark plug 4...

Page 18: ...ward edge of the peep window 8 Lightly swing the tip of the arm up and down several times This sets the tension automatically 9 Tighten the arm mounting nuts fully and reinstall the wheel shield adjusting knob REMOUNTING ARM FOR FLUSH CUTTING When necessary to cut up close to a barrier invert and remount the arm so the wheel is on the outboard side 1 Refer to V belt Change and Adjustment to remove...

Page 19: ... the wing nut and remove air cleaner cover 3 Before removing the filters clean the accumulated dust from the filters and air cleaner base plate with a soft brush or by gently blowing DO NOT USE COMPRESSED AIR 4 The third nylon mesh filter should be removed only when cleaning is necessary When re installing be sure filter base is properly installed in the rubber connector 5 Clean the foam first fil...

Page 20: ...plate and shield 4 Reinstall wheel between inner and outer flanges NOTE Hub of outer flange fits inside larger hub of inner flange Do not reverse flange position or the wheel will be locked SPARK PLUG CHAMPION CJ 8Y SPARK PLUG 1 Clean the outside of the saw Then follow instructions to disassemble the air cleaner 2 Remove five screws and lift off the air cleaner base plate to expose the spark plug ...

Page 21: ...e trouble with the carburetor contact your dealer Every unit is run at the factory and the carburetor is set in compliance with Emission Regulations In addition the carburetor is equipped with H High Speed and L Low Speed needle adjustment limiters that prevent settings outside acceptable limits 1 Before adjusting carburetor clean or replace air filter and muffler Spark Arrestor Screen 2 Start eng...

Page 22: ...D CHECKS CLUTCH Slipping of the clutch under a cutting load is not the only thing that can happen to a clutch Another problem may appear during setting of the carburetor for proper idling speed The clutch may be at fault if an adjustment high enough for stable idling results in wheel rotation Such a condition should be checked out by your servicing dealer before any further use of the saw WARNING ...

Page 23: ...g Cutting wheel 305 mm 20 mm dia 12 0 in 0 787 in dia 305 mm 25 4 mm dia with adapter 12 0 in 1 0 in dia Vibration reduction system Rubber isolaters mounted between the engine and the handles Air cleaner 3 stage type sponge filter bellows type paper filter and nylon mesh filter Attachment Water kit Option Cart kit Option STORAGE AFTER USE SPECIFICATIONS Inspect and adjust every part of the cut off...

Page 24: ...USA X750 007 46 1 X750 410 440 1 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 Printed in Japan 0511ke 0890 ES ...

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