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CS-550P

CHAIN AND GUIDE BAR COMBINATION

The following combinations are recommended for model

CS-550P

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).

Guide Bar

Saw chain

Length mm (in)

Part No.

Pitch mm (in)

Part No.

Links

Double Guard

406 (16)

16F0LD3366

8.26 (0.325)

20LPX66CQ, 20BPX66CQ

16F0LD3859

9.53 (3/8)

72LPX59CQ, 72LGX59CQ

457 (18)

18F0LD3372

8.26 (0.325)

20LPX72CQ, 20BPX72CQ

18F0LD3864

9.53 (3/8)

72LPX64CQ, 72LGX64CQ

508 (20)

20F0LD3378

8.26 (0.325)

20LPX78CQ, 20BPX78CQ

20F0PD3870

9.53 (3/8)

72LPX70CQ, 72LGX70CQ

Before using the 9.53 mm (3/8 in.) pitch bar and chain, ask your authorized ECHO dealer to change the
rim sprocket.

Содержание CS-550P

Страница 1: ...ions carefully and follow the rules for safe operation Failure to do so could result in serious injury CS 550P X750 015 42 0 X750 328 000 0 ECHO INCORPORATED 400 Oakwood Road Lake Zurich Illinois 60047 1564 Phone 847 540 8400 Printed in Japan 1012G 1422 ES ...

Страница 2: ...Copyright 2010 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: ...ating the saw 4 Cut at high engine speeds 5 Do not overreach or cut above shoulder height 6 Follow manufacturer s sharpening and maintenance instructions 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 wood closes in and pinches the saw chain in th...

Страница 4: ... the 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 because slender material may catch the saw chain and be whipped toward you or pull you off balance 13 When cutting a limb that is under tension be alert for spring back so that you will not be struck whe...

Страница 5: ...GER calls attention to an act or condition which WILL lead to serious personal injury or death if not avoided SYMBOLS AND SIGNS CONTENTS RULES FOR SAFE OPERATION 1 SYMBOLS AND SIGNS 3 PACKING LIST 5 NOMENCLATURE OF PARTS 6 OPERATOR SAFETY 8 CORRECT USE OF CHAIN BRAKE 9 PREPARATION FOR USE 10 FUEL AND LUBRICANT 12 EMISSION DATA 13 OPERATION 14 CUTTING INSTRUCTION 17 CHAIN AND GUIDE BAR COMBINATION ...

Страница 6: ...ty decal on your unit The complete unit illustration found in the NOMENCLATURE OF PARTS section will help you locate them Make sure the decal is legible and that you understand and follow the instructions on it If a decal cannot be read a new one can be ordered from your ECHO dealer Emergency stop Choke control Cold Start position choke closed SYMBOL FORM Part Number X524 003550 REPLACEMENT BAR AN...

Страница 7: ... installation and other assembly may be necessary After opening 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 Warranty registration card 13 x 19 mmT wrench L wrench T27 Small screwdriver Instruction manual Safety manual ECHO chain saw Saw chain Guide bar ...

Страница 8: ... injury Part Number 890191 30131 23 24 890191 30131 X524 003550 Part Number X524 003550 REPLACEMENT BAR AND CHAIN GUIDE BAR CHAIN PART NO PART NO 16 16F0LD3366 20LPX66CQ 20BPX66CQ 18 18F0LD3372 20LPX72CQ 20BPX72CQ 20 20F0LD3378 20LPX78CQ 20BPX78CQ Or equivalent Note There may be other replacement components for achieving kickback protection For details please refer to the chain and bar combination...

Страница 9: ... is in use 10 Chain tension adjuster 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 cutting 12 Guide bar The part that supports and guides the saw chain 13 Saw chain Chain serving as a cutting tool 14 Oil tank cap For closing the oil tank 15 Starte...

Страница 10: ...ion 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 feel tingling numbness or pain in your fingers hands wrists or arms The sooner RSI CTS is diagnosed the more likely permanent nerve and muscle damage can be prevented EYE AND HEARING PROTECTION Wea...

Страница 11: ...Kickback may occur when the nose or tip of the guide bar touches an object or when the wood closes in and pinches the saw chain in the cut The installation of a chain brake may be mandatory by law or as stipulated by insurance regulations in your area of operation You should inquire through local government offices your employer or your local dealer to ensure that your chain saw conforms to the re...

Страница 12: ...re section for guide bar saw chain maintenance procedures 4 Unlock the chain brake and mount guide bar on studs and slide toward clutch to make saw chain installation easier Install chain with cutters on top of guide bar facing foward 5 Install the clutch cover over the guide bar studs Ensure chain tension adjuster pin fits into the guide bar adjuster hole Tighten clutch cover nuts finger tight Sp...

Страница 13: ... Hold the bar nose up and turn the adjuster screw clockwise until chain fits snugly against underside of the bar 4 Tighten both nuts with the bar nose held up 5 Pull the chain around the bar by hand Loosen the adjustment if you feel tight spots 6 When chain is properly tensioned tighten clutch cover nuts securely 20 to 23 N m 175 to 200 in lb 7 Keep chain properly tensioned at all times Adjusting ...

Страница 14: ...er Blend X will void the two stroke engine warranty IMPORTANT ECHO premium Power Blend X Universal 2 Stroke Oil may be mixed at 50 1 ratio for application in all ECHO engines sold in the past regardless of ratio specified in those manuals Use of unmixed improperly mixed or fuel older than 90 days stale fuel may cause hard starting poor performance or severe engine damage and void the product warra...

Страница 15: ... loosen fuel caps slowly allowing pressure to equalize NEVER refuel a unit when the engine is HOT NEVER refuel a unit with the engine running DO NOT fill fuel tanks indoors ALWAYS fill fuel tanks outdoors over bare ground Securely tighten fuel cap after refueling Inspect for fuel leakage If fuel leakage is found do not start or operate unit until leakage is repaired Move at least 3 m 10 feet from ...

Страница 16: ...r choke control knob is pulled and then knob is returned to original position throttle remains a little open latch condition If engine is started in this latch condition chain starts to turn Do not start engine before chain brake is locked CAUTION After starting the engine squeeze throttle trigger slightly to release throttle latch and pull front hand guard towards the operator immediately Chain b...

Страница 17: ...ze throttle 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 from any obstruction when starting the chain saw Move chain brake lever fully forward to lock chain brake before starting Confirm there is fuel and chain oil in the tanks Move ignition switch to R...

Страница 18: ...ove 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 switch before starting the engine again CHECKING CHAIN TENSION Chain tension should be checked frequently during work and corrected as necessary Tension the chain as tight as possible but so it can still be p...

Страница 19: ... 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 so you can operate the throttle trigger with your right index finger Before attempting to fell a tree cut some small logs or limbs Become thoroughly familiar with the controls and the responses of the...

Страница 20: ...ite 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 cm 2 in 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 t...

Страница 21: ...ake 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 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 DANGER K...

Страница 22: ...owly 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 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 lock the brake Confirm that the brake works properly befo...

Страница 23: ... hand should hold the front handle 3 Release the front handle and drop the end of the guide bar against the wooden surface 4 The impact should lock the chain brake IMPORTANT When checking the operation of the automatic chain brake use a soft surface substance like wood to provide the impact so the chain is not damaged WINTER OPERATION Use the air shutter to prevent carburetor trouble in winter Rem...

Страница 24: ...ck 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 Guide Bar Saw chain Length mm in Part No Pitch mm in Part No Links Double Guard 406 16 16F0LD3366 8 26 0 325 20LPX66CQ 20BPX66C...

Страница 25: ... for that task Ask your ECHO dealer for these parts MAINTENANCE INTERVALS Meintenance Procedure Letter Codes I Inspect C Clean R Replace Meintenance Procedure Notes 1 Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity All recommendations to replace are based on the finding of damage or wear during inspection Component system Maintenance procedure Air Filte...

Страница 26: ... 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 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 2800 r min WARNING Cutting attachment must not move when unit is idling CAUTION ...

Страница 27: ...15 to 17 N m 130 to 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 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 ...

Страница 28: ...aner cover and remove spark plug lead Remove 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 order NOTE Carbon deposits in muffler will cause drop in engine output Spark arrestor screen must be checked periodically AUTOMATIC OILER The discharge volume of...

Страница 29: ...will result 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 link sharp where indicated SETTING SAW CHAIN For setting saw chain round file 20LPX 20BPX 4 8 mm dia 3 16 in or 72LPX 72LGX 5 6 mm dia 7 32 in and flat file are used To keep correct positi...

Страница 30: ...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 prematurely If the saw chain becomes soiled with resin for instance clean it with kerosene and soak in it oil NOTE These angles are referred to as Oregon 20LPX 20BPX or 72LPX 72LGX To sharpen other follow chain manufacturer s instruction Remove un...

Страница 31: ...g 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 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 block...

Страница 32: ...00 Clutch engagement r min 3750 4250 Wide open throttle r min 13200 13800 Standard Front hand guard Rear hand guard features Anti vibration device Spiked bumper Throttle control lockout Chain brake Chain catcher Spark arrestor muffler 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 repai...

Страница 33: ...oducing use will be covered by this limited warranty for five 5 years from date of purchase EXCEPTIONS For two stroke engine powered products the electronic ignition module flexible drive cables SRM solid drive shafts and TC tines are warranted for the life of the product on parts only Cutting attachments such as but not limited to bars chains sprockets blades and nylon trimmer heads for residenti...

Страница 34: ... Incorrect storage procedures stale fuel including failure to provide or perform required maintenance services as prescribed in the operator s manual Preventative maintenance as outlined in the operator s manual is the customer s responsibility Failures due to improper set up pre delivery service or repair service by anyone other than authorized ECHO servicing dealer during the warranty period Cer...

Страница 35: ... conform with applicable EPA and C A R B emissions standards and that your equipment SORE is free from defects in material and workmanship that would cause it to fail to conform with applicable requirements for 2 years or the length of the ECHO Inc warranty whichever is longer The warranty period begins on the date the product is purchased by an end user HOW WILL A COVERED PART BE CORRECTED If the...

Страница 36: ......

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