Echo cs-520 Instruction Manual Download

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INSTRUCTION MANUAL

CHAIN SAW

WARNING

Read the instructions carefully and follow the rules for safe
operation.
Failure to do so could result in serious injury.

CS-520

X750-005 99 5
X750 319-490 5

ECHO, INCORPORATED

400 Oakwood Road, Lake Zurich, Illinois 60047-1564
Phone : 847-540-8400

Printed in Japan 0608Fd 0805 ES

Summary of Contents for cs-520

Page 1: ...ons carefully and follow the rules for safe operation Failure to do so could result in serious injury CS 520 X750 005 99 5 X750 319 490 5 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047...

Page 2: ...Copyright 2003 All Rights Reserved The engine exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING...

Page 3: ...for the saw chain 7 Only use replacement bars and chains specified by the manufacturer or the equivalent WARNING KICKBACK may occur when the nose or tip of the guide bar touches an object or when the...

Page 4: ...he saw chain stops moving when the throttle control trigger is released 11 Shut off the engine before setting the chain saw down 12 Use extreme caution when cutting small size brush and saplings becau...

Page 5: ...accompanied by the word DANGER calls attention to an act or condition which WILL lead to serious personal injury or death if not avoided SYMBOLS AND SIGNS RULES FOR SAFE OPERATION 1 SYMBOLS AND SIGNS...

Page 6: ...decal cannot be read a new one can be ordered from your ECHO dealer WARNING Chain brake must be unlocked before removing or installing clutch cover Improper cover installation can result in serious in...

Page 7: ...pening the carton check for damage Immediately notify your retailer or ECHO dealer of damaged or missing parts Use the packing list to check for missing parts Limited warranty statement Warranty regis...

Page 8: ...ck protection For details please refer to the chain and bar combination sheet shown in the instruction manual TO AVOID KICKBACK 1 Hold the chain saw firmly with both hands 2 Don t let the nose of the...

Page 9: ...r Device to adjust chain tension 11 Chain catcher A projection designed to reduce the risk of the operator s right hand from being hit by a chain which has broken or derailed from the guide bar during...

Page 10: ...n Take periodic breaks to minimize repetition and rest your hands Reduce the speed and force in which you do the repetitive movement Do exercises to strengthen hand and arm muscles See a doctor if you...

Page 11: ...nts is a violation of the law DANGER Kickback safety precaution for chain saw users Kickback may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches th...

Page 12: ...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 tight on guide bar GUIDE BA...

Page 13: ...rt or operate saw if brake band is not in place on clutch drum Always check chain brake operation after replacing cover Do not use saw if chain brake does not function properly ADJUSTING CHAIN TENSION...

Page 14: ...nety 90 days when a fuel stabilizer is added Stored two stroke fuel may separate ALWAYS shake fuel container thoroughly before each use AFTER USE DO NOT store a unit with fuel in its tank Leaks can oc...

Page 15: ...mmer SAE No 10 in winter or when cutting resinous trees When refueling also refill chain oil OPERATION WARNING After choke control knob is pulled and then knob is returned to original position throttl...

Page 16: ...hrottle trigger to release throttle latch and pull front hand guard towards the operator immediately Chain brake unlocked position WHEN THE ENGINE IS WARM CAUTION Make sure the bar and chain are free...

Page 17: ...and move ignition switch down to STOP position 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 sw...

Page 18: ...your best aid will be your own good common sense The accepted way to hold the saw is to stand to the left of the saw with your left hand on the front handlebar and your right hand on the rear handle s...

Page 19: ...te the notch and at a level about 5 cm 2 in 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 c...

Page 20: ...ere you make the cut unless the tree 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...

Page 21: ...ast idle Slowly operate the chain brake lever while holding the saw firmly on the ground When the brake lever trips the chain should stop Immediately release the throttle trigger WARNING If the chain...

Page 22: ...the plug to its original place and remove the snow protector 5 C 41 F It causes over heating of the engine Plug Air cleaner cover Cold weather strage position Warm weather position AUTOMATIC CHAIN BRA...

Page 23: ...following guide bars may be considered to have equivalent kickback energy Sprocket nose guide bars of the same length and nose radius same pitch and having the same number of teeth Hard nose guide bar...

Page 24: ...offers REPOWER Maintenance Kits and Parts to make your maintenance job easier Just below each task heading are listed the various part numbers required for that task Ask your ECHO dealer for these par...

Page 25: ...l 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 fue...

Page 26: ...145 in lb FUEL FILTER Check periodically Do not allow dust to enter fuel tank A clogged filter will cause difficulty in starting engine or abnormalities in engine performance Pull the fuel filter out...

Page 27: ...emove 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...

Page 28: ...in poor cutting performance increased vibration of chains and premature breakage of the saw chain Drive link serves to remove sawdust from the groove of the guide bar Keep the lower edge of the drive...

Page 29: ...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 opera...

Page 30: ...wire wire Spark gap incorrect Adjust 0 6 mm to 0 7 mm Spark at No spark at 0 024 to 0 028 in plug plug Covered with carbon Clean or replace Fouled with fuel Clean or replace Spark plug defective Repla...

Page 31: ...Standard Front hand guard Rear hand guard features Anti vibration device Spiked bumper Throttle control lockout Chain brake Chain catcher Spark arrestor muffler Kick guard STORAGE AFTER USE Technical...

Page 32: ......

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