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CS-520

Guide Bar

Saw chain

Length

ECHO Part No.

Pitch

Type

Links

mm (in)

Double Guard

mm (in)

(OREGON)

406 (16)

16A0AD3366

8.26 (0.325)

33SL

16A0MD3366

8.26 (0.325)

95VP

457 (18)

18A0AD3372

8.26 (0.325)

33SL

18A0MD3372

8.26 (0.325)

95VP

@ 508 (20)

20A0AD3378

8.26 (0.325)

33SL

20A0MD3378

8.26 (0.325)

95VP

CHAIN AND GUIDE BAR COMBINATION

The following combinations are recommended for model CS-520.

@ Standard configuration

GUIDE BAR

(Low-kickback)

Replacement guide bars.
The 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 bars of the same length and

nose radius as a sprocket nose bar.

SAW CHAIN

(Low-kickback)

CAUTION

Do not use replacement saw chain unless it
has been designated as meeting the ANSI
B175.1 - 2000 kickback performance
requirements, when tested on the
representative sample of chain saws below
3.8 c.i.d. specified in ANSI B175.1 - 2000.

NOTE

LOW KICKBACK SAW CHAIN meets the
kickback performance requirements of ANSI
B175.1-2000 (safety requirements for gasoline-
powered chain saws).

Содержание cs-520

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 32: ......

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